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added dependencies and build files (loosely inspired by Sebastian Dorda's love-native-android)

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This commit is contained in:
Martin Felis
2013-12-05 17:58:37 +01:00
parent 9604528a96
commit 95a086a47f
3700 changed files with 1691119 additions and 0 deletions
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jni/lcms2-2.2/src/Makefile
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all-am: Makefile $(LTLIBRARIES)
installdirs:
for dir in "$(DESTDIR)$(libdir)"; do \
test -z "$$dir" || $(MKDIR_P) "$$dir"; \
done
install: install-am
install-exec: install-exec-am
install-data: install-data-am
uninstall: uninstall-am
install-am: all-am
@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
installcheck: installcheck-am
install-strip:
$(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
`test -z '$(STRIP)' || \
echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
mostlyclean-generic:
clean-generic:
distclean-generic:
-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
maintainer-clean-generic:
@echo "This command is intended for maintainers to use"
@echo "it deletes files that may require special tools to rebuild."
clean: clean-am
clean-am: clean-generic clean-libLTLIBRARIES clean-libtool \
mostlyclean-am
distclean: distclean-am
-rm -rf ./$(DEPDIR)
-rm -f Makefile
distclean-am: clean-am distclean-compile distclean-generic \
distclean-tags
dvi: dvi-am
dvi-am:
html: html-am
html-am:
info: info-am
info-am:
install-data-am:
install-dvi: install-dvi-am
install-dvi-am:
install-exec-am: install-libLTLIBRARIES
install-html: install-html-am
install-html-am:
install-info: install-info-am
install-info-am:
install-man:
install-pdf: install-pdf-am
install-pdf-am:
install-ps: install-ps-am
install-ps-am:
installcheck-am:
maintainer-clean: maintainer-clean-am
-rm -rf ./$(DEPDIR)
-rm -f Makefile
maintainer-clean-am: distclean-am maintainer-clean-generic
mostlyclean: mostlyclean-am
mostlyclean-am: mostlyclean-compile mostlyclean-generic \
mostlyclean-libtool
pdf: pdf-am
pdf-am:
ps: ps-am
ps-am:
uninstall-am: uninstall-libLTLIBRARIES
.MAKE: install-am install-strip
.PHONY: CTAGS GTAGS all all-am check check-am clean clean-generic \
clean-libLTLIBRARIES clean-libtool ctags distclean \
distclean-compile distclean-generic distclean-libtool \
distclean-tags distdir dvi dvi-am html html-am info info-am \
install install-am install-data install-data-am install-dvi \
install-dvi-am install-exec install-exec-am install-html \
install-html-am install-info install-info-am \
install-libLTLIBRARIES install-man install-pdf install-pdf-am \
install-ps install-ps-am install-strip installcheck \
installcheck-am installdirs maintainer-clean \
maintainer-clean-generic mostlyclean mostlyclean-compile \
mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
tags uninstall uninstall-am uninstall-libLTLIBRARIES
# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:
jni/lcms2-2.2/src/cmscam02.c
+483
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@@ -0,0 +1,483 @@
//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2010 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
//
#include "lcms2_internal.h"
// CIECAM 02 appearance model. Many thanks to Jordi Vilar for the debugging.
// ---------- Implementation --------------------------------------------
typedef struct {
cmsFloat64Number XYZ[3];
cmsFloat64Number RGB[3];
cmsFloat64Number RGBc[3];
cmsFloat64Number RGBp[3];
cmsFloat64Number RGBpa[3];
cmsFloat64Number a, b, h, e, H, A, J, Q, s, t, C, M;
cmsFloat64Number abC[2];
cmsFloat64Number abs[2];
cmsFloat64Number abM[2];
} CAM02COLOR;
typedef struct {
CAM02COLOR adoptedWhite;
cmsFloat64Number LA, Yb;
cmsFloat64Number F, c, Nc;
cmsUInt32Number surround;
cmsFloat64Number n, Nbb, Ncb, z, FL, D;
cmsContext ContextID;
} cmsCIECAM02;
static
cmsFloat64Number compute_n(cmsCIECAM02* pMod)
{
return (pMod -> Yb / pMod -> adoptedWhite.XYZ[1]);
}
static
cmsFloat64Number compute_z(cmsCIECAM02* pMod)
{
return (1.48 + pow(pMod -> n, 0.5));
}
static
cmsFloat64Number computeNbb(cmsCIECAM02* pMod)
{
return (0.725 * pow((1.0 / pMod -> n), 0.2));
}
static
cmsFloat64Number computeFL(cmsCIECAM02* pMod)
{
cmsFloat64Number k, FL;
k = 1.0 / ((5.0 * pMod->LA) + 1.0);
FL = 0.2 * pow(k, 4.0) * (5.0 * pMod->LA) + 0.1 *
(pow((1.0 - pow(k, 4.0)), 2.0)) *
(pow((5.0 * pMod->LA), (1.0 / 3.0)));
return FL;
}
static
cmsFloat64Number computeD(cmsCIECAM02* pMod)
{
cmsFloat64Number D;
D = pMod->F - (1.0/3.6)*(exp(((-pMod ->LA-42) / 92.0)));
return D;
}
static
CAM02COLOR XYZtoCAT02(CAM02COLOR clr)
{
clr.RGB[0] = (clr.XYZ[0] * 0.7328) + (clr.XYZ[1] * 0.4296) + (clr.XYZ[2] * -0.1624);
clr.RGB[1] = (clr.XYZ[0] * -0.7036) + (clr.XYZ[1] * 1.6975) + (clr.XYZ[2] * 0.0061);
clr.RGB[2] = (clr.XYZ[0] * 0.0030) + (clr.XYZ[1] * 0.0136) + (clr.XYZ[2] * 0.9834);
return clr;
}
static
CAM02COLOR ChromaticAdaptation(CAM02COLOR clr, cmsCIECAM02* pMod)
{
cmsUInt32Number i;
for (i = 0; i < 3; i++) {
clr.RGBc[i] = ((pMod -> adoptedWhite.XYZ[1] *
(pMod->D / pMod -> adoptedWhite.RGB[i])) +
(1.0 - pMod->D)) * clr.RGB[i];
}
return clr;
}
static
CAM02COLOR CAT02toHPE(CAM02COLOR clr)
{
cmsFloat64Number M[9];
M[0] =(( 0.38971 * 1.096124) + (0.68898 * 0.454369) + (-0.07868 * -0.009628));
M[1] =(( 0.38971 * -0.278869) + (0.68898 * 0.473533) + (-0.07868 * -0.005698));
M[2] =(( 0.38971 * 0.182745) + (0.68898 * 0.072098) + (-0.07868 * 1.015326));
M[3] =((-0.22981 * 1.096124) + (1.18340 * 0.454369) + ( 0.04641 * -0.009628));
M[4] =((-0.22981 * -0.278869) + (1.18340 * 0.473533) + ( 0.04641 * -0.005698));
M[5] =((-0.22981 * 0.182745) + (1.18340 * 0.072098) + ( 0.04641 * 1.015326));
M[6] =(-0.009628);
M[7] =(-0.005698);
M[8] =( 1.015326);
clr.RGBp[0] = (clr.RGBc[0] * M[0]) + (clr.RGBc[1] * M[1]) + (clr.RGBc[2] * M[2]);
clr.RGBp[1] = (clr.RGBc[0] * M[3]) + (clr.RGBc[1] * M[4]) + (clr.RGBc[2] * M[5]);
clr.RGBp[2] = (clr.RGBc[0] * M[6]) + (clr.RGBc[1] * M[7]) + (clr.RGBc[2] * M[8]);
return clr;
}
static
CAM02COLOR NonlinearCompression(CAM02COLOR clr, cmsCIECAM02* pMod)
{
cmsUInt32Number i;
cmsFloat64Number temp;
for (i = 0; i < 3; i++) {
if (clr.RGBp[i] < 0) {
temp = pow((-1.0 * pMod->FL * clr.RGBp[i] / 100.0), 0.42);
clr.RGBpa[i] = (-1.0 * 400.0 * temp) / (temp + 27.13) + 0.1;
}
else {
temp = pow((pMod->FL * clr.RGBp[i] / 100.0), 0.42);
clr.RGBpa[i] = (400.0 * temp) / (temp + 27.13) + 0.1;
}
}
clr.A = (((2.0 * clr.RGBpa[0]) + clr.RGBpa[1] +
(clr.RGBpa[2] / 20.0)) - 0.305) * pMod->Nbb;
return clr;
}
static
CAM02COLOR ComputeCorrelates(CAM02COLOR clr, cmsCIECAM02* pMod)
{
cmsFloat64Number a, b, temp, e, t, r2d, d2r;
a = clr.RGBpa[0] - (12.0 * clr.RGBpa[1] / 11.0) + (clr.RGBpa[2] / 11.0);
b = (clr.RGBpa[0] + clr.RGBpa[1] - (2.0 * clr.RGBpa[2])) / 9.0;
r2d = (180.0 / 3.141592654);
if (a == 0) {
if (b == 0) clr.h = 0;
else if (b > 0) clr.h = 90;
else clr.h = 270;
}
else if (a > 0) {
temp = b / a;
if (b > 0) clr.h = (r2d * atan(temp));
else if (b == 0) clr.h = 0;
else clr.h = (r2d * atan(temp)) + 360;
}
else {
temp = b / a;
clr.h = (r2d * atan(temp)) + 180;
}
d2r = (3.141592654 / 180.0);
e = ((12500.0 / 13.0) * pMod->Nc * pMod->Ncb) *
(cos((clr.h * d2r + 2.0)) + 3.8);
if (clr.h < 20.14) {
temp = ((clr.h + 122.47)/1.2) + ((20.14 - clr.h)/0.8);
clr.H = 300 + (100*((clr.h + 122.47)/1.2)) / temp;
}
else if (clr.h < 90.0) {
temp = ((clr.h - 20.14)/0.8) + ((90.00 - clr.h)/0.7);
clr.H = (100*((clr.h - 20.14)/0.8)) / temp;
}
else if (clr.h < 164.25) {
temp = ((clr.h - 90.00)/0.7) + ((164.25 - clr.h)/1.0);
clr.H = 100 + ((100*((clr.h - 90.00)/0.7)) / temp);
}
else if (clr.h < 237.53) {
temp = ((clr.h - 164.25)/1.0) + ((237.53 - clr.h)/1.2);
clr.H = 200 + ((100*((clr.h - 164.25)/1.0)) / temp);
}
else {
temp = ((clr.h - 237.53)/1.2) + ((360 - clr.h + 20.14)/0.8);
clr.H = 300 + ((100*((clr.h - 237.53)/1.2)) / temp);
}
clr.J = 100.0 * pow((clr.A / pMod->adoptedWhite.A),
(pMod->c * pMod->z));
clr.Q = (4.0 / pMod->c) * pow((clr.J / 100.0), 0.5) *
(pMod->adoptedWhite.A + 4.0) * pow(pMod->FL, 0.25);
t = (e * pow(((a * a) + (b * b)), 0.5)) /
(clr.RGBpa[0] + clr.RGBpa[1] +
((21.0 / 20.0) * clr.RGBpa[2]));
clr.C = pow(t, 0.9) * pow((clr.J / 100.0), 0.5) *
pow((1.64 - pow(0.29, pMod->n)), 0.73);
clr.M = clr.C * pow(pMod->FL, 0.25);
clr.s = 100.0 * pow((clr.M / clr.Q), 0.5);
return clr;
}
static
CAM02COLOR InverseCorrelates(CAM02COLOR clr, cmsCIECAM02* pMod)
{
cmsFloat64Number t, e, p1, p2, p3, p4, p5, hr, d2r;
d2r = 3.141592654 / 180.0;
t = pow( (clr.C / (pow((clr.J / 100.0), 0.5) *
(pow((1.64 - pow(0.29, pMod->n)), 0.73)))),
(1.0 / 0.9) );
e = ((12500.0 / 13.0) * pMod->Nc * pMod->Ncb) *
(cos((clr.h * d2r + 2.0)) + 3.8);
clr.A = pMod->adoptedWhite.A * pow(
(clr.J / 100.0),
(1.0 / (pMod->c * pMod->z)));
p1 = e / t;
p2 = (clr.A / pMod->Nbb) + 0.305;
p3 = 21.0 / 20.0;
hr = clr.h * d2r;
if (fabs(sin(hr)) >= fabs(cos(hr))) {
p4 = p1 / sin(hr);
clr.b = (p2 * (2.0 + p3) * (460.0 / 1403.0)) /
(p4 + (2.0 + p3) * (220.0 / 1403.0) *
(cos(hr) / sin(hr)) - (27.0 / 1403.0) +
p3 * (6300.0 / 1403.0));
clr.a = clr.b * (cos(hr) / sin(hr));
}
else {
p5 = p1 / cos(hr);
clr.a = (p2 * (2.0 + p3) * (460.0 / 1403.0)) /
(p5 + (2.0 + p3) * (220.0 / 1403.0) -
((27.0 / 1403.0) - p3 * (6300.0 / 1403.0)) *
(sin(hr) / cos(hr)));
clr.b = clr.a * (sin(hr) / cos(hr));
}
clr.RGBpa[0] = ((460.0 / 1403.0) * p2) +
((451.0 / 1403.0) * clr.a) +
((288.0 / 1403.0) * clr.b);
clr.RGBpa[1] = ((460.0 / 1403.0) * p2) -
((891.0 / 1403.0) * clr.a) -
((261.0 / 1403.0) * clr.b);
clr.RGBpa[2] = ((460.0 / 1403.0) * p2) -
((220.0 / 1403.0) * clr.a) -
((6300.0 / 1403.0) * clr.b);
return clr;
}
static
CAM02COLOR InverseNonlinearity(CAM02COLOR clr, cmsCIECAM02* pMod)
{
cmsUInt32Number i;
cmsFloat64Number c1;
for (i = 0; i < 3; i++) {
if ((clr.RGBpa[i] - 0.1) < 0) c1 = -1;
else c1 = 1;
clr.RGBp[i] = c1 * (100.0 / pMod->FL) *
pow(((27.13 * fabs(clr.RGBpa[i] - 0.1)) /
(400.0 - fabs(clr.RGBpa[i] - 0.1))),
(1.0 / 0.42));
}
return clr;
}
static
CAM02COLOR HPEtoCAT02(CAM02COLOR clr)
{
cmsFloat64Number M[9];
M[0] = (( 0.7328 * 1.910197) + (0.4296 * 0.370950));
M[1] = (( 0.7328 * -1.112124) + (0.4296 * 0.629054));
M[2] = (( 0.7328 * 0.201908) + (0.4296 * 0.000008) - 0.1624);
M[3] = ((-0.7036 * 1.910197) + (1.6975 * 0.370950));
M[4] = ((-0.7036 * -1.112124) + (1.6975 * 0.629054));
M[5] = ((-0.7036 * 0.201908) + (1.6975 * 0.000008) + 0.0061);
M[6] = (( 0.0030 * 1.910197) + (0.0136 * 0.370950));
M[7] = (( 0.0030 * -1.112124) + (0.0136 * 0.629054));
M[8] = (( 0.0030 * 0.201908) + (0.0136 * 0.000008) + 0.9834);;
clr.RGBc[0] = (clr.RGBp[0] * M[0]) + (clr.RGBp[1] * M[1]) + (clr.RGBp[2] * M[2]);
clr.RGBc[1] = (clr.RGBp[0] * M[3]) + (clr.RGBp[1] * M[4]) + (clr.RGBp[2] * M[5]);
clr.RGBc[2] = (clr.RGBp[0] * M[6]) + (clr.RGBp[1] * M[7]) + (clr.RGBp[2] * M[8]);
return clr;
}
static
CAM02COLOR InverseChromaticAdaptation(CAM02COLOR clr, cmsCIECAM02* pMod)
{
cmsUInt32Number i;
for (i = 0; i < 3; i++) {
clr.RGB[i] = clr.RGBc[i] /
((pMod->adoptedWhite.XYZ[1] * pMod->D / pMod->adoptedWhite.RGB[i]) + 1.0 - pMod->D);
}
return clr;
}
static
CAM02COLOR CAT02toXYZ(CAM02COLOR clr)
{
clr.XYZ[0] = (clr.RGB[0] * 1.096124) + (clr.RGB[1] * -0.278869) + (clr.RGB[2] * 0.182745);
clr.XYZ[1] = (clr.RGB[0] * 0.454369) + (clr.RGB[1] * 0.473533) + (clr.RGB[2] * 0.072098);
clr.XYZ[2] = (clr.RGB[0] * -0.009628) + (clr.RGB[1] * -0.005698) + (clr.RGB[2] * 1.015326);
return clr;
}
cmsHANDLE CMSEXPORT cmsCIECAM02Init(cmsContext ContextID, const cmsViewingConditions* pVC)
{
cmsCIECAM02* lpMod;
_cmsAssert(pVC != NULL);
if((lpMod = (cmsCIECAM02*) _cmsMallocZero(ContextID, sizeof(cmsCIECAM02))) == NULL) {
return NULL;
}
lpMod ->ContextID = ContextID;
lpMod ->adoptedWhite.XYZ[0] = pVC ->whitePoint.X;
lpMod ->adoptedWhite.XYZ[1] = pVC ->whitePoint.Y;
lpMod ->adoptedWhite.XYZ[2] = pVC ->whitePoint.Z;
lpMod -> LA = pVC ->La;
lpMod -> Yb = pVC ->Yb;
lpMod -> D = pVC ->D_value;
lpMod -> surround = pVC ->surround;
switch (lpMod -> surround) {
case CUTSHEET_SURROUND:
lpMod->F = 0.8;
lpMod->c = 0.41;
lpMod->Nc = 0.8;
break;
case DARK_SURROUND:
lpMod -> F = 0.8;
lpMod -> c = 0.525;
lpMod -> Nc = 0.8;
break;
case DIM_SURROUND:
lpMod -> F = 0.9;
lpMod -> c = 0.59;
lpMod -> Nc = 0.95;
break;
default:
// Average surround
lpMod -> F = 1.0;
lpMod -> c = 0.69;
lpMod -> Nc = 1.0;
}
lpMod -> n = compute_n(lpMod);
lpMod -> z = compute_z(lpMod);
lpMod -> Nbb = computeNbb(lpMod);
lpMod -> FL = computeFL(lpMod);
if (lpMod -> D == D_CALCULATE) {
lpMod -> D = computeD(lpMod);
}
lpMod -> Ncb = lpMod -> Nbb;
lpMod -> adoptedWhite = XYZtoCAT02(lpMod -> adoptedWhite);
lpMod -> adoptedWhite = ChromaticAdaptation(lpMod -> adoptedWhite, lpMod);
lpMod -> adoptedWhite = CAT02toHPE(lpMod -> adoptedWhite);
lpMod -> adoptedWhite = NonlinearCompression(lpMod -> adoptedWhite, lpMod);
return (cmsHANDLE) lpMod;
}
void CMSEXPORT cmsCIECAM02Done(cmsHANDLE hModel)
{
cmsCIECAM02* lpMod = (cmsCIECAM02*) hModel;
if (lpMod) _cmsFree(lpMod ->ContextID, lpMod);
}
void CMSEXPORT cmsCIECAM02Forward(cmsHANDLE hModel, const cmsCIEXYZ* pIn, cmsJCh* pOut)
{
CAM02COLOR clr;
cmsCIECAM02* lpMod = (cmsCIECAM02*) hModel;
_cmsAssert(lpMod != NULL);
_cmsAssert(pIn != NULL);
_cmsAssert(pOut != NULL);
clr.XYZ[0] = pIn ->X;
clr.XYZ[1] = pIn ->Y;
clr.XYZ[2] = pIn ->Z;
clr = XYZtoCAT02(clr);
clr = ChromaticAdaptation(clr, lpMod);
clr = CAT02toHPE(clr);
clr = NonlinearCompression(clr, lpMod);
clr = ComputeCorrelates(clr, lpMod);
pOut ->J = clr.J;
pOut ->C = clr.C;
pOut ->h = clr.h;
}
void CMSEXPORT cmsCIECAM02Reverse(cmsHANDLE hModel, const cmsJCh* pIn, cmsCIEXYZ* pOut)
{
CAM02COLOR clr;
cmsCIECAM02* lpMod = (cmsCIECAM02*) hModel;
_cmsAssert(lpMod != NULL);
_cmsAssert(pIn != NULL);
_cmsAssert(pOut != NULL);
clr.J = pIn -> J;
clr.C = pIn -> C;
clr.h = pIn -> h;
clr = InverseCorrelates(clr, lpMod);
clr = InverseNonlinearity(clr, lpMod);
clr = HPEtoCAT02(clr);
clr = InverseChromaticAdaptation(clr, lpMod);
clr = CAT02toXYZ(clr);
pOut ->X = clr.XYZ[0];
pOut ->Y = clr.XYZ[1];
pOut ->Z = clr.XYZ[2];
}
jni/lcms2-2.2/src/cmscgats.c
+2655
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jni/lcms2-2.2/src/cmscnvrt.c
+1045
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jni/lcms2-2.2/src/cmserr.c
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//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2010 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
#include "lcms2_internal.h"
// I am so tired about incompatibilities on those functions that here are some replacements
// that hopefully would be fully portable.
// compare two strings ignoring case
int CMSEXPORT cmsstrcasecmp(const char* s1, const char* s2)
{
register const unsigned char *us1 = (const unsigned char *)s1,
*us2 = (const unsigned char *)s2;
while (toupper(*us1) == toupper(*us2++))
if (*us1++ == '\0')
return (0);
return (toupper(*us1) - toupper(*--us2));
}
// long int because C99 specifies ftell in such way (7.19.9.2)
long int CMSEXPORT cmsfilelength(FILE* f)
{
long int p , n;
p = ftell(f); // register current file position
if (fseek(f, 0, SEEK_END) != 0) {
return -1;
}
n = ftell(f);
fseek(f, p, SEEK_SET); // file position restored
return n;
}
// Memory handling ------------------------------------------------------------------
//
// This is the interface to low-level memory management routines. By default a simple
// wrapping to malloc/free/realloc is provided, although there is a limit on the max
// amount of memoy that can be reclaimed. This is mostly as a safety feature to
// prevent bogus or malintentionated code to allocate huge blocks that otherwise lcms
// would never need.
#define MAX_MEMORY_FOR_ALLOC ((cmsUInt32Number)(1024U*1024U*512U))
// User may override this behaviour by using a memory plug-in, which basically replaces
// the default memory management functions. In this case, no check is performed and it
// is up to the plug-in writter to keep in the safe side. There are only three functions
// required to be implemented: malloc, realloc and free, although the user may want to
// replace the optional mallocZero, calloc and dup as well.
cmsBool _cmsRegisterMemHandlerPlugin(cmsPluginBase* Plugin);
// *********************************************************************************
// This is the default memory allocation function. It does a very coarse
// check of amout of memory, just to prevent exploits
static
void* _cmsMallocDefaultFn(cmsContext ContextID, cmsUInt32Number size)
{
if (size > MAX_MEMORY_FOR_ALLOC) return NULL; // Never allow over maximum
return (void*) malloc(size);
cmsUNUSED_PARAMETER(ContextID);
}
// Generic allocate & zero
static
void* _cmsMallocZeroDefaultFn(cmsContext ContextID, cmsUInt32Number size)
{
void *pt = _cmsMalloc(ContextID, size);
if (pt == NULL) return NULL;
memset(pt, 0, size);
return pt;
}
// The default free function. The only check proformed is against NULL pointers
static
void _cmsFreeDefaultFn(cmsContext ContextID, void *Ptr)
{
// free(NULL) is defined a no-op by C99, therefore it is safe to
// avoid the check, but it is here just in case...
if (Ptr) free(Ptr);
cmsUNUSED_PARAMETER(ContextID);
}
// The default realloc function. Again it check for exploits. If Ptr is NULL,
// realloc behaves the same way as malloc and allocates a new block of size bytes.
static
void* _cmsReallocDefaultFn(cmsContext ContextID, void* Ptr, cmsUInt32Number size)
{
if (size > MAX_MEMORY_FOR_ALLOC) return NULL; // Never realloc over 512Mb
return realloc(Ptr, size);
cmsUNUSED_PARAMETER(ContextID);
}
// The default calloc function. Allocates an array of num elements, each one of size bytes
// all memory is initialized to zero.
static
void* _cmsCallocDefaultFn(cmsContext ContextID, cmsUInt32Number num, cmsUInt32Number size)
{
cmsUInt32Number Total = num * size;
// Preserve calloc behaviour
if (Total == 0) return NULL;
// Safe check for overflow.
if (num >= UINT_MAX / size) return NULL;
// Check for overflow
if (Total < num || Total < size) {
return NULL;
}
if (Total > MAX_MEMORY_FOR_ALLOC) return NULL; // Never alloc over 512Mb
return _cmsMallocZero(ContextID, Total);
}
// Generic block duplication
static
void* _cmsDupDefaultFn(cmsContext ContextID, const void* Org, cmsUInt32Number size)
{
void* mem;
if (size > MAX_MEMORY_FOR_ALLOC) return NULL; // Never dup over 512Mb
mem = _cmsMalloc(ContextID, size);
if (mem != NULL && Org != NULL)
memmove(mem, Org, size);
return mem;
}
// Pointers to malloc and _cmsFree functions in current environment
static void * (* MallocPtr)(cmsContext ContextID, cmsUInt32Number size) = _cmsMallocDefaultFn;
static void * (* MallocZeroPtr)(cmsContext ContextID, cmsUInt32Number size) = _cmsMallocZeroDefaultFn;
static void (* FreePtr)(cmsContext ContextID, void *Ptr) = _cmsFreeDefaultFn;
static void * (* ReallocPtr)(cmsContext ContextID, void *Ptr, cmsUInt32Number NewSize) = _cmsReallocDefaultFn;
static void * (* CallocPtr)(cmsContext ContextID, cmsUInt32Number num, cmsUInt32Number size)= _cmsCallocDefaultFn;
static void * (* DupPtr)(cmsContext ContextID, const void* Org, cmsUInt32Number size) = _cmsDupDefaultFn;
// Plug-in replacement entry
cmsBool _cmsRegisterMemHandlerPlugin(cmsPluginBase *Data)
{
cmsPluginMemHandler* Plugin = (cmsPluginMemHandler*) Data;
// NULL forces to reset to defaults
if (Data == NULL) {
MallocPtr = _cmsMallocDefaultFn;
MallocZeroPtr= _cmsMallocZeroDefaultFn;
FreePtr = _cmsFreeDefaultFn;
ReallocPtr = _cmsReallocDefaultFn;
CallocPtr = _cmsCallocDefaultFn;
DupPtr = _cmsDupDefaultFn;
return TRUE;
}
// Check for required callbacks
if (Plugin -> MallocPtr == NULL ||
Plugin -> FreePtr == NULL ||
Plugin -> ReallocPtr == NULL) return FALSE;
// Set replacement functions
MallocPtr = Plugin -> MallocPtr;
FreePtr = Plugin -> FreePtr;
ReallocPtr = Plugin -> ReallocPtr;
if (Plugin ->MallocZeroPtr != NULL) MallocZeroPtr = Plugin ->MallocZeroPtr;
if (Plugin ->CallocPtr != NULL) CallocPtr = Plugin -> CallocPtr;
if (Plugin ->DupPtr != NULL) DupPtr = Plugin -> DupPtr;
return TRUE;
}
// Generic allocate
void* CMSEXPORT _cmsMalloc(cmsContext ContextID, cmsUInt32Number size)
{
return MallocPtr(ContextID, size);
}
// Generic allocate & zero
void* CMSEXPORT _cmsMallocZero(cmsContext ContextID, cmsUInt32Number size)
{
return MallocZeroPtr(ContextID, size);
}
// Generic calloc
void* CMSEXPORT _cmsCalloc(cmsContext ContextID, cmsUInt32Number num, cmsUInt32Number size)
{
return CallocPtr(ContextID, num, size);
}
// Generic reallocate
void* CMSEXPORT _cmsRealloc(cmsContext ContextID, void* Ptr, cmsUInt32Number size)
{
return ReallocPtr(ContextID, Ptr, size);
}
// Generic free memory
void CMSEXPORT _cmsFree(cmsContext ContextID, void* Ptr)
{
if (Ptr != NULL) FreePtr(ContextID, Ptr);
}
// Generic block duplication
void* CMSEXPORT _cmsDupMem(cmsContext ContextID, const void* Org, cmsUInt32Number size)
{
return DupPtr(ContextID, Org, size);
}
// ********************************************************************************************
// Sub allocation takes care of many pointers of small size. The memory allocated in
// this way have be freed at once. Next function allocates a single chunk for linked list
// I prefer this method over realloc due to the big inpact on xput realloc may have if
// memory is being swapped to disk. This approach is safer (although that may not be true on all platforms)
static
_cmsSubAllocator_chunk* _cmsCreateSubAllocChunk(cmsContext ContextID, cmsUInt32Number Initial)
{
_cmsSubAllocator_chunk* chunk;
// Create the container
chunk = (_cmsSubAllocator_chunk*) _cmsMallocZero(ContextID, sizeof(_cmsSubAllocator_chunk));
if (chunk == NULL) return NULL;
// Initialize values
chunk ->Block = (cmsUInt8Number*) _cmsMalloc(ContextID, Initial);
if (chunk ->Block == NULL) {
// Something went wrong
_cmsFree(ContextID, chunk);
return NULL;
}
// 20K by default
if (Initial == 0)
Initial = 20*1024;
chunk ->BlockSize = Initial;
chunk ->Used = 0;
chunk ->next = NULL;
return chunk;
}
// The suballocated is nothing but a pointer to the first element in the list. We also keep
// the thread ID in this structure.
_cmsSubAllocator* _cmsCreateSubAlloc(cmsContext ContextID, cmsUInt32Number Initial)
{
_cmsSubAllocator* sub;
// Create the container
sub = (_cmsSubAllocator*) _cmsMallocZero(ContextID, sizeof(_cmsSubAllocator));
if (sub == NULL) return NULL;
sub ->ContextID = ContextID;
sub ->h = _cmsCreateSubAllocChunk(ContextID, Initial);
if (sub ->h == NULL) {
_cmsFree(ContextID, sub);
return NULL;
}
return sub;
}
// Get rid of whole linked list
void _cmsSubAllocDestroy(_cmsSubAllocator* sub)
{
_cmsSubAllocator_chunk *chunk, *n;
for (chunk = sub ->h; chunk != NULL; chunk = n) {
n = chunk->next;
if (chunk->Block != NULL) _cmsFree(sub ->ContextID, chunk->Block);
_cmsFree(sub ->ContextID, chunk);
}
// Free the header
_cmsFree(sub ->ContextID, sub);
}
// Get a pointer to small memory block.
void* _cmsSubAlloc(_cmsSubAllocator* sub, cmsUInt32Number size)
{
cmsUInt32Number Free = sub -> h ->BlockSize - sub -> h -> Used;
cmsUInt8Number* ptr;
size = _cmsALIGNLONG(size);
// Check for memory. If there is no room, allocate a new chunk of double memory size.
if (size > Free) {
_cmsSubAllocator_chunk* chunk;
cmsUInt32Number newSize;
newSize = sub -> h ->BlockSize * 2;
if (newSize < size) newSize = size;
chunk = _cmsCreateSubAllocChunk(sub -> ContextID, newSize);
if (chunk == NULL) return NULL;
// Link list
chunk ->next = sub ->h;
sub ->h = chunk;
}
ptr = sub -> h ->Block + sub -> h ->Used;
sub -> h -> Used += size;
return (void*) ptr;
}
// Error logging ******************************************************************
// There is no error handling at all. When a funtion fails, it returns proper value.
// For example, all create functions does return NULL on failure. Other return FALSE
// It may be interesting, for the developer, to know why the function is failing.
// for that reason, lcms2 does offer a logging function. This function does recive
// a ENGLISH string with some clues on what is going wrong. You can show this
// info to the end user, or just create some sort of log.
// The logging function should NOT terminate the program, as this obviously can leave
// resources. It is the programmer's responsability to check each function return code
// to make sure it didn't fail.
// Error messages are limited to MAX_ERROR_MESSAGE_LEN
#define MAX_ERROR_MESSAGE_LEN 1024
// ---------------------------------------------------------------------------------------------------------
// This is our default log error
static void DefaultLogErrorHandlerFunction(cmsContext ContextID, cmsUInt32Number ErrorCode, const char *Text);
// The current handler in actual environment
static cmsLogErrorHandlerFunction LogErrorHandler = DefaultLogErrorHandlerFunction;
// The default error logger does nothing.
static
void DefaultLogErrorHandlerFunction(cmsContext ContextID, cmsUInt32Number ErrorCode, const char *Text)
{
// fprintf(stderr, "[lcms]: %s\n", Text);
// fflush(stderr);
cmsUNUSED_PARAMETER(ContextID);
cmsUNUSED_PARAMETER(ErrorCode);
cmsUNUSED_PARAMETER(Text);
}
// Change log error
void CMSEXPORT cmsSetLogErrorHandler(cmsLogErrorHandlerFunction Fn)
{
if (Fn == NULL)
LogErrorHandler = DefaultLogErrorHandlerFunction;
else
LogErrorHandler = Fn;
}
// Log an error
// ErrorText is a text holding an english description of error.
void CMSEXPORT cmsSignalError(cmsContext ContextID, cmsUInt32Number ErrorCode, const char *ErrorText, ...)
{
va_list args;
char Buffer[MAX_ERROR_MESSAGE_LEN];
va_start(args, ErrorText);
vsnprintf(Buffer, MAX_ERROR_MESSAGE_LEN-1, ErrorText, args);
va_end(args);
// Call handler
LogErrorHandler(ContextID, ErrorCode, Buffer);
}
// Utility function to print signatures
void _cmsTagSignature2String(char String[5], cmsTagSignature sig)
{
cmsUInt32Number be;
// Convert to big endian
be = _cmsAdjustEndianess32((cmsUInt32Number) sig);
// Move chars
memmove(String, &be, 4);
// Make sure of terminator
String[4] = 0;
}
jni/lcms2-2.2/src/cmsgamma.c
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jni/lcms2-2.2/src/cmsgmt.c
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//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2010 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
//
#include "lcms2_internal.h"
// Auxiliar: append a Lab identity after the given sequence of profiles
// and return the transform. Lab profile is closed, rest of profiles are kept open.
cmsHTRANSFORM _cmsChain2Lab(cmsContext ContextID,
cmsUInt32Number nProfiles,
cmsUInt32Number InputFormat,
cmsUInt32Number OutputFormat,
const cmsUInt32Number Intents[],
const cmsHPROFILE hProfiles[],
const cmsBool BPC[],
const cmsFloat64Number AdaptationStates[],
cmsUInt32Number dwFlags)
{
cmsHTRANSFORM xform;
cmsHPROFILE hLab;
cmsHPROFILE ProfileList[256];
cmsBool BPCList[256];
cmsFloat64Number AdaptationList[256];
cmsUInt32Number IntentList[256];
cmsUInt32Number i;
// This is a rather big number and there is no need of dynamic memory
// since we are adding a profile, 254 + 1 = 255 and this is the limit
if (nProfiles > 254) return NULL;
// The output space
hLab = cmsCreateLab4ProfileTHR(ContextID, NULL);
if (hLab == NULL) return NULL;
// Create a copy of parameters
for (i=0; i < nProfiles; i++) {
ProfileList[i] = hProfiles[i];
BPCList[i] = BPC[i];
AdaptationList[i] = AdaptationStates[i];
IntentList[i] = Intents[i];
}
// Place Lab identity at chain's end.
ProfileList[nProfiles] = hLab;
BPCList[nProfiles] = 0;
AdaptationList[nProfiles] = 1.0;
IntentList[nProfiles] = INTENT_RELATIVE_COLORIMETRIC;
// Create the transform
xform = cmsCreateExtendedTransform(ContextID, nProfiles + 1, ProfileList,
BPCList,
IntentList,
AdaptationList,
NULL, 0,
InputFormat,
OutputFormat,
dwFlags);
cmsCloseProfile(hLab);
return xform;
}
// Compute K -> L* relationship. Flags may include black point compensation. In this case,
// the relationship is assumed from the profile with BPC to a black point zero.
static
cmsToneCurve* ComputeKToLstar(cmsContext ContextID,
cmsUInt32Number nPoints,
cmsUInt32Number nProfiles,
const cmsUInt32Number Intents[],
const cmsHPROFILE hProfiles[],
const cmsBool BPC[],
const cmsFloat64Number AdaptationStates[],
cmsUInt32Number dwFlags)
{
cmsToneCurve* out = NULL;
cmsUInt32Number i;
cmsHTRANSFORM xform;
cmsCIELab Lab;
cmsFloat32Number cmyk[4];
cmsFloat32Number* SampledPoints;
xform = _cmsChain2Lab(ContextID, nProfiles, TYPE_CMYK_FLT, TYPE_Lab_DBL, Intents, hProfiles, BPC, AdaptationStates, dwFlags);
if (xform == NULL) return NULL;
SampledPoints = (cmsFloat32Number*) _cmsCalloc(ContextID, nPoints, sizeof(cmsFloat32Number));
if (SampledPoints == NULL) goto Error;
for (i=0; i < nPoints; i++) {
cmyk[0] = 0;
cmyk[1] = 0;
cmyk[2] = 0;
cmyk[3] = (cmsFloat32Number) ((i * 100.0) / (nPoints-1));
cmsDoTransform(xform, cmyk, &Lab, 1);
SampledPoints[i]= (cmsFloat32Number) (1.0 - Lab.L / 100.0); // Negate K for easier operation
}
out = cmsBuildTabulatedToneCurveFloat(ContextID, nPoints, SampledPoints);
Error:
cmsDeleteTransform(xform);
if (SampledPoints) _cmsFree(ContextID, SampledPoints);
return out;
}
// Compute Black tone curve on a CMYK -> CMYK transform. This is done by
// using the proof direction on both profiles to find K->L* relationship
// then joining both curves. dwFlags may include black point compensation.
cmsToneCurve* _cmsBuildKToneCurve(cmsContext ContextID,
cmsUInt32Number nPoints,
cmsUInt32Number nProfiles,
const cmsUInt32Number Intents[],
const cmsHPROFILE hProfiles[],
const cmsBool BPC[],
const cmsFloat64Number AdaptationStates[],
cmsUInt32Number dwFlags)
{
cmsToneCurve *in, *out, *KTone;
// Make sure CMYK -> CMYK
if (cmsGetColorSpace(hProfiles[0]) != cmsSigCmykData ||
cmsGetColorSpace(hProfiles[nProfiles-1])!= cmsSigCmykData) return NULL;
// Make sure last is an output profile
if (cmsGetDeviceClass(hProfiles[nProfiles - 1]) != cmsSigOutputClass) return NULL;
// Create individual curves. BPC works also as each K to L* is
// computed as a BPC to zero black point in case of L*
in = ComputeKToLstar(ContextID, nPoints, nProfiles - 1, Intents, hProfiles, BPC, AdaptationStates, dwFlags);
if (in == NULL) return NULL;
out = ComputeKToLstar(ContextID, nPoints, 1,
Intents + (nProfiles - 1),
hProfiles + (nProfiles - 1),
BPC + (nProfiles - 1),
AdaptationStates + (nProfiles - 1),
dwFlags);
if (out == NULL) {
cmsFreeToneCurve(in);
return NULL;
}
// Build the relationship. This effectively limits the maximum accuracy to 16 bits, but
// since this is used on black-preserving LUTs, we are not loosing accuracy in any case
KTone = cmsJoinToneCurve(ContextID, in, out, nPoints);
// Get rid of components
cmsFreeToneCurve(in); cmsFreeToneCurve(out);
// Something went wrong...
if (KTone == NULL) return NULL;
// Make sure it is monotonic
if (!cmsIsToneCurveMonotonic(KTone)) {
cmsFreeToneCurve(KTone);
return NULL;
}
return KTone;
}
// Gamut LUT Creation -----------------------------------------------------------------------------------------
// Used by gamut & softproofing
typedef struct {
cmsHTRANSFORM hInput; // From whatever input color space. 16 bits to DBL
cmsHTRANSFORM hForward, hReverse; // Transforms going from Lab to colorant and back
cmsFloat64Number Thereshold; // The thereshold after which is considered out of gamut
} GAMUTCHAIN;
// This sampler does compute gamut boundaries by comparing original
// values with a transform going back and forth. Values above ERR_THERESHOLD
// of maximum are considered out of gamut.
#define ERR_THERESHOLD 5
static
int GamutSampler(register const cmsUInt16Number In[], register cmsUInt16Number Out[], register void* Cargo)
{
GAMUTCHAIN* t = (GAMUTCHAIN* ) Cargo;
cmsCIELab LabIn1, LabOut1;
cmsCIELab LabIn2, LabOut2;
cmsUInt16Number Proof[cmsMAXCHANNELS], Proof2[cmsMAXCHANNELS];
cmsFloat64Number dE1, dE2, ErrorRatio;
// Assume in-gamut by default.
dE1 = 0.;
dE2 = 0;
ErrorRatio = 1.0;
// Convert input to Lab
if (t -> hInput != NULL)
cmsDoTransform(t -> hInput, In, &LabIn1, 1);
// converts from PCS to colorant. This always
// does return in-gamut values,
cmsDoTransform(t -> hForward, &LabIn1, Proof, 1);
// Now, do the inverse, from colorant to PCS.
cmsDoTransform(t -> hReverse, Proof, &LabOut1, 1);
memmove(&LabIn2, &LabOut1, sizeof(cmsCIELab));
// Try again, but this time taking Check as input
cmsDoTransform(t -> hForward, &LabOut1, Proof2, 1);
cmsDoTransform(t -> hReverse, Proof2, &LabOut2, 1);
// Take difference of direct value
dE1 = cmsDeltaE(&LabIn1, &LabOut1);
// Take difference of converted value
dE2 = cmsDeltaE(&LabIn2, &LabOut2);
// if dE1 is small and dE2 is small, value is likely to be in gamut
if (dE1 < t->Thereshold && dE2 < t->Thereshold)
Out[0] = 0;
else {
// if dE1 is small and dE2 is big, undefined. Assume in gamut
if (dE1 < t->Thereshold && dE2 > t->Thereshold)
Out[0] = 0;
else
// dE1 is big and dE2 is small, clearly out of gamut
if (dE1 > t->Thereshold && dE2 < t->Thereshold)
Out[0] = (cmsUInt16Number) _cmsQuickFloor((dE1 - t->Thereshold) + .5);
else {
// dE1 is big and dE2 is also big, could be due to perceptual mapping
// so take error ratio
if (dE2 == 0.0)
ErrorRatio = dE1;
else
ErrorRatio = dE1 / dE2;
if (ErrorRatio > t->Thereshold)
Out[0] = (cmsUInt16Number) _cmsQuickFloor((ErrorRatio - t->Thereshold) + .5);
else
Out[0] = 0;
}
}
return TRUE;
}
// Does compute a gamut LUT going back and forth across pcs -> relativ. colorimetric intent -> pcs
// the dE obtained is then annotated on the LUT. Values truely out of gamut are clipped to dE = 0xFFFE
// and values changed are supposed to be handled by any gamut remapping, so, are out of gamut as well.
//
// **WARNING: This algorithm does assume that gamut remapping algorithms does NOT move in-gamut colors,
// of course, many perceptual and saturation intents does not work in such way, but relativ. ones should.
cmsPipeline* _cmsCreateGamutCheckPipeline(cmsContext ContextID,
cmsHPROFILE hProfiles[],
cmsBool BPC[],
cmsUInt32Number Intents[],
cmsFloat64Number AdaptationStates[],
cmsUInt32Number nGamutPCSposition,
cmsHPROFILE hGamut)
{
cmsHPROFILE hLab;
cmsPipeline* Gamut;
cmsStage* CLUT;
cmsUInt32Number dwFormat;
GAMUTCHAIN Chain;
int nChannels, nGridpoints;
cmsColorSpaceSignature ColorSpace;
cmsUInt32Number i;
cmsHPROFILE ProfileList[256];
cmsBool BPCList[256];
cmsFloat64Number AdaptationList[256];
cmsUInt32Number IntentList[256];
memset(&Chain, 0, sizeof(GAMUTCHAIN));
if (nGamutPCSposition <= 0 || nGamutPCSposition > 255) {
cmsSignalError(ContextID, cmsERROR_RANGE, "Wrong position of PCS. 1..255 expected, %d found.", nGamutPCSposition);
return NULL;
}
hLab = cmsCreateLab4ProfileTHR(ContextID, NULL);
if (hLab == NULL) return NULL;
// The figure of merit. On matrix-shaper profiles, should be almost zero as
// the conversion is pretty exact. On LUT based profiles, different resolutions
// of input and output CLUT may result in differences.
if (cmsIsMatrixShaper(hGamut)) {
Chain.Thereshold = 1.0;
}
else {
Chain.Thereshold = ERR_THERESHOLD;
}
// Create a copy of parameters
for (i=0; i < nGamutPCSposition; i++) {
ProfileList[i] = hProfiles[i];
BPCList[i] = BPC[i];
AdaptationList[i] = AdaptationStates[i];
IntentList[i] = Intents[i];
}
// Fill Lab identity
ProfileList[nGamutPCSposition] = hLab;
BPCList[nGamutPCSposition] = 0;
AdaptationList[nGamutPCSposition] = 1.0;
Intents[nGamutPCSposition] = INTENT_RELATIVE_COLORIMETRIC;
ColorSpace = cmsGetColorSpace(hGamut);
nChannels = cmsChannelsOf(ColorSpace);
nGridpoints = _cmsReasonableGridpointsByColorspace(ColorSpace, cmsFLAGS_HIGHRESPRECALC);
dwFormat = (CHANNELS_SH(nChannels)|BYTES_SH(2));
// 16 bits to Lab double
Chain.hInput = cmsCreateExtendedTransform(ContextID,
nGamutPCSposition + 1,
ProfileList,
BPCList,
Intents,
AdaptationList,
NULL, 0,
dwFormat, TYPE_Lab_DBL,
cmsFLAGS_NOCACHE);
// Does create the forward step. Lab double to device
dwFormat = (CHANNELS_SH(nChannels)|BYTES_SH(2));
Chain.hForward = cmsCreateTransformTHR(ContextID,
hLab, TYPE_Lab_DBL,
hGamut, dwFormat,
INTENT_RELATIVE_COLORIMETRIC,
cmsFLAGS_NOCACHE);
// Does create the backwards step
Chain.hReverse = cmsCreateTransformTHR(ContextID, hGamut, dwFormat,
hLab, TYPE_Lab_DBL,
INTENT_RELATIVE_COLORIMETRIC,
cmsFLAGS_NOCACHE);
// All ok?
if (Chain.hForward && Chain.hReverse) {
// Go on, try to compute gamut LUT from PCS. This consist on a single channel containing
// dE when doing a transform back and forth on the colorimetric intent.
Gamut = cmsPipelineAlloc(ContextID, 3, 1);
if (Gamut != NULL) {
CLUT = cmsStageAllocCLut16bit(ContextID, nGridpoints, nChannels, 1, NULL);
cmsPipelineInsertStage(Gamut, cmsAT_BEGIN, CLUT);
cmsStageSampleCLut16bit(CLUT, GamutSampler, (void*) &Chain, 0);
}
}
else
Gamut = NULL; // Didn't work...
// Free all needed stuff.
if (Chain.hInput) cmsDeleteTransform(Chain.hInput);
if (Chain.hForward) cmsDeleteTransform(Chain.hForward);
if (Chain.hReverse) cmsDeleteTransform(Chain.hReverse);
if (hLab) cmsCloseProfile(hLab);
// And return computed hull
return Gamut;
}
// Total Area Coverage estimation ----------------------------------------------------------------
typedef struct {
cmsUInt32Number nOutputChans;
cmsHTRANSFORM hRoundTrip;
cmsFloat32Number MaxTAC;
cmsFloat32Number MaxInput[cmsMAXCHANNELS];
} cmsTACestimator;
// This callback just accounts the maximum ink dropped in the given node. It does not populate any
// memory, as the destination table is NULL. Its only purpose it to know the global maximum.
static
int EstimateTAC(register const cmsUInt16Number In[], register cmsUInt16Number Out[], register void * Cargo)
{
cmsTACestimator* bp = (cmsTACestimator*) Cargo;
cmsFloat32Number RoundTrip[cmsMAXCHANNELS];
cmsUInt32Number i;
cmsFloat32Number Sum;
// Evaluate the xform
cmsDoTransform(bp->hRoundTrip, In, RoundTrip, 1);
// All all amounts of ink
for (Sum=0, i=0; i < bp ->nOutputChans; i++)
Sum += RoundTrip[i];
// If above maximum, keep track of input values
if (Sum > bp ->MaxTAC) {
bp ->MaxTAC = Sum;
for (i=0; i < bp ->nOutputChans; i++) {
bp ->MaxInput[i] = In[i];
}
}
return TRUE;
cmsUNUSED_PARAMETER(Out);
}
// Detect Total area coverage of the profile
cmsFloat64Number CMSEXPORT cmsDetectTAC(cmsHPROFILE hProfile)
{
cmsTACestimator bp;
cmsUInt32Number dwFormatter;
cmsUInt32Number GridPoints[MAX_INPUT_DIMENSIONS];
cmsHPROFILE hLab;
cmsContext ContextID = cmsGetProfileContextID(hProfile);
// TAC only works on output profiles
if (cmsGetDeviceClass(hProfile) != cmsSigOutputClass) {
return 0;
}
// Create a fake formatter for result
dwFormatter = cmsFormatterForColorspaceOfProfile(hProfile, 4, TRUE);
bp.nOutputChans = T_CHANNELS(dwFormatter);
bp.MaxTAC = 0; // Initial TAC is 0
// for safety
if (bp.nOutputChans >= cmsMAXCHANNELS) return 0;
hLab = cmsCreateLab4ProfileTHR(ContextID, NULL);
if (hLab == NULL) return 0;
// Setup a roundtrip on perceptual intent in output profile for TAC estimation
bp.hRoundTrip = cmsCreateTransformTHR(ContextID, hLab, TYPE_Lab_16,
hProfile, dwFormatter, INTENT_PERCEPTUAL, cmsFLAGS_NOOPTIMIZE|cmsFLAGS_NOCACHE);
cmsCloseProfile(hLab);
if (bp.hRoundTrip == NULL) return 0;
// For L* we only need black and white. For C* we need many points
GridPoints[0] = 6;
GridPoints[1] = 74;
GridPoints[2] = 74;
if (!cmsSliceSpace16(3, GridPoints, EstimateTAC, &bp)) {
bp.MaxTAC = 0;
}
cmsDeleteTransform(bp.hRoundTrip);
// Results in %
return bp.MaxTAC;
}
// Carefully, clamp on CIELab space.
cmsBool CMSEXPORT cmsDesaturateLab(cmsCIELab* Lab,
double amax, double amin,
double bmax, double bmin)
{
// Whole Luma surface to zero
if (Lab -> L < 0) {
Lab-> L = Lab->a = Lab-> b = 0.0;
return FALSE;
}
// Clamp white, DISCARD HIGHLIGHTS. This is done
// in such way because icc spec doesn't allow the
// use of L>100 as a highlight means.
if (Lab->L > 100)
Lab -> L = 100;
// Check out gamut prism, on a, b faces
if (Lab -> a < amin || Lab->a > amax||
Lab -> b < bmin || Lab->b > bmax) {
cmsCIELCh LCh;
double h, slope;
// Falls outside a, b limits. Transports to LCh space,
// and then do the clipping
if (Lab -> a == 0.0) { // Is hue exactly 90?
// atan will not work, so clamp here
Lab -> b = Lab->b < 0 ? bmin : bmax;
return TRUE;
}
cmsLab2LCh(&LCh, Lab);
slope = Lab -> b / Lab -> a;
h = LCh.h;
// There are 4 zones
if ((h >= 0. && h < 45.) ||
(h >= 315 && h <= 360.)) {
// clip by amax
Lab -> a = amax;
Lab -> b = amax * slope;
}
else
if (h >= 45. && h < 135.)
{
// clip by bmax
Lab -> b = bmax;
Lab -> a = bmax / slope;
}
else
if (h >= 135. && h < 225.) {
// clip by amin
Lab -> a = amin;
Lab -> b = amin * slope;
}
else
if (h >= 225. && h < 315.) {
// clip by bmin
Lab -> b = bmin;
Lab -> a = bmin / slope;
}
else {
cmsSignalError(0, cmsERROR_RANGE, "Invalid angle");
return FALSE;
}
}
return TRUE;
}
jni/lcms2-2.2/src/cmsintrp.c
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jni/lcms2-2.2/src/cmsio0.c
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jni/lcms2-2.2/src/cmsio1.c
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//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2011 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
//
#include "lcms2_internal.h"
// Read tags using low-level functions, provides necessary glue code to adapt versions, etc.
// LUT tags
static const cmsTagSignature Device2PCS16[] = {cmsSigAToB0Tag, // Perceptual
cmsSigAToB1Tag, // Relative colorimetric
cmsSigAToB2Tag, // Saturation
cmsSigAToB1Tag }; // Absolute colorimetric
static const cmsTagSignature Device2PCSFloat[] = {cmsSigDToB0Tag, // Perceptual
cmsSigDToB1Tag, // Relative colorimetric
cmsSigDToB2Tag, // Saturation
cmsSigDToB3Tag }; // Absolute colorimetric
static const cmsTagSignature PCS2Device16[] = {cmsSigBToA0Tag, // Perceptual
cmsSigBToA1Tag, // Relative colorimetric
cmsSigBToA2Tag, // Saturation
cmsSigBToA1Tag }; // Absolute colorimetric
static const cmsTagSignature PCS2DeviceFloat[] = {cmsSigBToD0Tag, // Perceptual
cmsSigBToD1Tag, // Relative colorimetric
cmsSigBToD2Tag, // Saturation
cmsSigBToD3Tag }; // Absolute colorimetric
// Factors to convert from 1.15 fixed point to 0..1.0 range and vice-versa
#define InpAdj (1.0/MAX_ENCODEABLE_XYZ) // (65536.0/(65535.0*2.0))
#define OutpAdj (MAX_ENCODEABLE_XYZ) // ((2.0*65535.0)/65536.0)
// Several resources for gray conversions.
static const cmsFloat64Number GrayInputMatrix[] = { (InpAdj*cmsD50X), (InpAdj*cmsD50Y), (InpAdj*cmsD50Z) };
static const cmsFloat64Number OneToThreeInputMatrix[] = { 1, 1, 1 };
static const cmsFloat64Number PickYMatrix[] = { 0, (OutpAdj*cmsD50Y), 0 };
static const cmsFloat64Number PickLstarMatrix[] = { 1, 0, 0 };
// Get a media white point fixing some issues found in certain old profiles
cmsBool _cmsReadMediaWhitePoint(cmsCIEXYZ* Dest, cmsHPROFILE hProfile)
{
cmsCIEXYZ* Tag;
_cmsAssert(Dest != NULL);
Tag = (cmsCIEXYZ*) cmsReadTag(hProfile, cmsSigMediaWhitePointTag);
// If no wp, take D50
if (Tag == NULL) {
*Dest = *cmsD50_XYZ();
return TRUE;
}
// V2 display profiles should give D50
if (cmsGetEncodedICCversion(hProfile) < 0x4000000) {
if (cmsGetDeviceClass(hProfile) == cmsSigDisplayClass) {
*Dest = *cmsD50_XYZ();
return TRUE;
}
}
// All seems ok
*Dest = *Tag;
return TRUE;
}
// Chromatic adaptation matrix. Fix some issues as well
cmsBool _cmsReadCHAD(cmsMAT3* Dest, cmsHPROFILE hProfile)
{
cmsMAT3* Tag;
_cmsAssert(Dest != NULL);
Tag = (cmsMAT3*) cmsReadTag(hProfile, cmsSigChromaticAdaptationTag);
if (Tag != NULL) {
*Dest = *Tag;
return TRUE;
}
// No CHAD available, default it to identity
_cmsMAT3identity(Dest);
// V2 display profiles should give D50
if (cmsGetEncodedICCversion(hProfile) < 0x4000000) {
if (cmsGetDeviceClass(hProfile) == cmsSigDisplayClass) {
cmsCIEXYZ* White = (cmsCIEXYZ*) cmsReadTag(hProfile, cmsSigMediaWhitePointTag);
if (White == NULL) {
_cmsMAT3identity(Dest);
return TRUE;
}
return _cmsAdaptationMatrix(Dest, NULL, cmsD50_XYZ(), White);
}
}
return TRUE;
}
// Auxiliar, read colorants as a MAT3 structure. Used by any function that needs a matrix-shaper
static
cmsBool ReadICCMatrixRGB2XYZ(cmsMAT3* r, cmsHPROFILE hProfile)
{
cmsCIEXYZ *PtrRed, *PtrGreen, *PtrBlue;
_cmsAssert(r != NULL);
PtrRed = (cmsCIEXYZ *) cmsReadTag(hProfile, cmsSigRedColorantTag);
PtrGreen = (cmsCIEXYZ *) cmsReadTag(hProfile, cmsSigGreenColorantTag);
PtrBlue = (cmsCIEXYZ *) cmsReadTag(hProfile, cmsSigBlueColorantTag);
if (PtrRed == NULL || PtrGreen == NULL || PtrBlue == NULL)
return FALSE;
_cmsVEC3init(&r -> v[0], PtrRed -> X, PtrGreen -> X, PtrBlue -> X);
_cmsVEC3init(&r -> v[1], PtrRed -> Y, PtrGreen -> Y, PtrBlue -> Y);
_cmsVEC3init(&r -> v[2], PtrRed -> Z, PtrGreen -> Z, PtrBlue -> Z);
return TRUE;
}
// Gray input pipeline
static
cmsPipeline* BuildGrayInputMatrixPipeline(cmsHPROFILE hProfile)
{
cmsToneCurve *GrayTRC;
cmsPipeline* Lut;
cmsContext ContextID = cmsGetProfileContextID(hProfile);
GrayTRC = (cmsToneCurve *) cmsReadTag(hProfile, cmsSigGrayTRCTag);
if (GrayTRC == NULL) return NULL;
Lut = cmsPipelineAlloc(ContextID, 1, 3);
if (Lut == NULL) return NULL;
if (cmsGetPCS(hProfile) == cmsSigLabData) {
// In this case we implement the profile as an identity matrix plus 3 tone curves
cmsUInt16Number Zero[2] = { 0x8080, 0x8080 };
cmsToneCurve* EmptyTab;
cmsToneCurve* LabCurves[3];
EmptyTab = cmsBuildTabulatedToneCurve16(ContextID, 2, Zero);
if (EmptyTab == NULL) {
cmsPipelineFree(Lut);
return NULL;
}
LabCurves[0] = GrayTRC;
LabCurves[1] = EmptyTab;
LabCurves[2] = EmptyTab;
cmsPipelineInsertStage(Lut, cmsAT_END, cmsStageAllocMatrix(ContextID, 3, 1, OneToThreeInputMatrix, NULL));
cmsPipelineInsertStage(Lut, cmsAT_END, cmsStageAllocToneCurves(ContextID, 3, LabCurves));
cmsFreeToneCurve(EmptyTab);
}
else {
cmsPipelineInsertStage(Lut, cmsAT_END, cmsStageAllocToneCurves(ContextID, 1, &GrayTRC));
cmsPipelineInsertStage(Lut, cmsAT_END, cmsStageAllocMatrix(ContextID, 3, 1, GrayInputMatrix, NULL));
}
return Lut;
}
// RGB Matrix shaper
static
cmsPipeline* BuildRGBInputMatrixShaper(cmsHPROFILE hProfile)
{
cmsPipeline* Lut;
cmsMAT3 Mat;
cmsToneCurve *Shapes[3];
cmsContext ContextID = cmsGetProfileContextID(hProfile);
int i, j;
if (!ReadICCMatrixRGB2XYZ(&Mat, hProfile)) return NULL;
// XYZ PCS in encoded in 1.15 format, and the matrix output comes in 0..0xffff range, so
// we need to adjust the output by a factor of (0x10000/0xffff) to put data in
// a 1.16 range, and then a >> 1 to obtain 1.15. The total factor is (65536.0)/(65535.0*2)
for (i=0; i < 3; i++)
for (j=0; j < 3; j++)
Mat.v[i].n[j] *= InpAdj;
Shapes[0] = (cmsToneCurve *) cmsReadTag(hProfile, cmsSigRedTRCTag);
Shapes[1] = (cmsToneCurve *) cmsReadTag(hProfile, cmsSigGreenTRCTag);
Shapes[2] = (cmsToneCurve *) cmsReadTag(hProfile, cmsSigBlueTRCTag);
if (!Shapes[0] || !Shapes[1] || !Shapes[2])
return NULL;
Lut = cmsPipelineAlloc(ContextID, 3, 3);
if (Lut != NULL) {
cmsPipelineInsertStage(Lut, cmsAT_END, cmsStageAllocToneCurves(ContextID, 3, Shapes));
cmsPipelineInsertStage(Lut, cmsAT_END, cmsStageAllocMatrix(ContextID, 3, 3, (cmsFloat64Number*) &Mat, NULL));
}
return Lut;
}
// Read and create a BRAND NEW MPE LUT from a given profile. All stuff dependent of version, etc
// is adjusted here in order to create a LUT that takes care of all those details
cmsPipeline* _cmsReadInputLUT(cmsHPROFILE hProfile, int Intent)
{
cmsTagTypeSignature OriginalType;
cmsTagSignature tag16 = Device2PCS16[Intent];
cmsTagSignature tagFloat = Device2PCSFloat[Intent];
cmsContext ContextID = cmsGetProfileContextID(hProfile);
// On named color, take the appropiate tag
if (cmsGetDeviceClass(hProfile) == cmsSigNamedColorClass) {
cmsPipeline* Lut;
cmsNAMEDCOLORLIST* nc = (cmsNAMEDCOLORLIST*) cmsReadTag(hProfile, cmsSigNamedColor2Tag);
if (nc == NULL) return NULL;
Lut = cmsPipelineAlloc(ContextID, 0, 0);
if (Lut == NULL) {
cmsFreeNamedColorList(nc);
return NULL;
}
cmsPipelineInsertStage(Lut, cmsAT_BEGIN, _cmsStageAllocNamedColor(nc, TRUE));
cmsPipelineInsertStage(Lut, cmsAT_END, _cmsStageAllocLabV2ToV4(ContextID));
return Lut;
}
if (cmsIsTag(hProfile, tagFloat)) { // Float tag takes precedence
// Floating point LUT are always V4, so no adjustment is required
return cmsPipelineDup((cmsPipeline*) cmsReadTag(hProfile, tagFloat));
}
// Revert to perceptual if no tag is found
if (!cmsIsTag(hProfile, tag16)) {
tag16 = Device2PCS16[0];
}
if (cmsIsTag(hProfile, tag16)) { // Is there any LUT-Based table?
// Check profile version and LUT type. Do the necessary adjustments if needed
// First read the tag
cmsPipeline* Lut = (cmsPipeline*) cmsReadTag(hProfile, tag16);
if (Lut == NULL) return NULL;
// After reading it, we have now info about the original type
OriginalType = _cmsGetTagTrueType(hProfile, tag16);
// The profile owns the Lut, so we need to copy it
Lut = cmsPipelineDup(Lut);
// We need to adjust data only for Lab16 on output
if (OriginalType != cmsSigLut16Type || cmsGetPCS(hProfile) != cmsSigLabData)
return Lut;
// If the input is Lab, add also a conversion at the begin
if (cmsGetColorSpace(hProfile) == cmsSigLabData)
cmsPipelineInsertStage(Lut, cmsAT_BEGIN, _cmsStageAllocLabV4ToV2(ContextID));
// Add a matrix for conversion V2 to V4 Lab PCS
cmsPipelineInsertStage(Lut, cmsAT_END, _cmsStageAllocLabV2ToV4(ContextID));
return Lut;
}
// Lut was not found, try to create a matrix-shaper
// Check if this is a grayscale profile.
if (cmsGetColorSpace(hProfile) == cmsSigGrayData) {
// if so, build appropiate conversion tables.
// The tables are the PCS iluminant, scaled across GrayTRC
return BuildGrayInputMatrixPipeline(hProfile);
}
// Not gray, create a normal matrix-shaper
return BuildRGBInputMatrixShaper(hProfile);
}
// ---------------------------------------------------------------------------------------------------------------
// Gray output pipeline.
// XYZ -> Gray or Lab -> Gray. Since we only know the GrayTRC, we need to do some assumptions. Gray component will be
// given by Y on XYZ PCS and by L* on Lab PCS, Both across inverse TRC curve.
// The complete pipeline on XYZ is Matrix[3:1] -> Tone curve and in Lab Matrix[3:1] -> Tone Curve as well.
static
cmsPipeline* BuildGrayOutputPipeline(cmsHPROFILE hProfile)
{
cmsToneCurve *GrayTRC, *RevGrayTRC;
cmsPipeline* Lut;
cmsContext ContextID = cmsGetProfileContextID(hProfile);
GrayTRC = (cmsToneCurve *) cmsReadTag(hProfile, cmsSigGrayTRCTag);
if (GrayTRC == NULL) return NULL;
RevGrayTRC = cmsReverseToneCurve(GrayTRC);
if (RevGrayTRC == NULL) return NULL;
Lut = cmsPipelineAlloc(ContextID, 3, 1);
if (Lut == NULL) {
cmsFreeToneCurve(RevGrayTRC);
return NULL;
}
if (cmsGetPCS(hProfile) == cmsSigLabData) {
cmsPipelineInsertStage(Lut, cmsAT_END, cmsStageAllocMatrix(ContextID, 1, 3, PickLstarMatrix, NULL));
}
else {
cmsPipelineInsertStage(Lut, cmsAT_END, cmsStageAllocMatrix(ContextID, 1, 3, PickYMatrix, NULL));
}
cmsPipelineInsertStage(Lut, cmsAT_END, cmsStageAllocToneCurves(ContextID, 1, &RevGrayTRC));
cmsFreeToneCurve(RevGrayTRC);
return Lut;
}
static
cmsPipeline* BuildRGBOutputMatrixShaper(cmsHPROFILE hProfile)
{
cmsPipeline* Lut;
cmsToneCurve *Shapes[3], *InvShapes[3];
cmsMAT3 Mat, Inv;
int i, j;
cmsContext ContextID = cmsGetProfileContextID(hProfile);
if (!ReadICCMatrixRGB2XYZ(&Mat, hProfile))
return NULL;
if (!_cmsMAT3inverse(&Mat, &Inv))
return NULL;
// XYZ PCS in encoded in 1.15 format, and the matrix input should come in 0..0xffff range, so
// we need to adjust the input by a << 1 to obtain a 1.16 fixed and then by a factor of
// (0xffff/0x10000) to put data in 0..0xffff range. Total factor is (2.0*65535.0)/65536.0;
for (i=0; i < 3; i++)
for (j=0; j < 3; j++)
Inv.v[i].n[j] *= OutpAdj;
Shapes[0] = (cmsToneCurve *) cmsReadTag(hProfile, cmsSigRedTRCTag);
Shapes[1] = (cmsToneCurve *) cmsReadTag(hProfile, cmsSigGreenTRCTag);
Shapes[2] = (cmsToneCurve *) cmsReadTag(hProfile, cmsSigBlueTRCTag);
if (!Shapes[0] || !Shapes[1] || !Shapes[2])
return NULL;
InvShapes[0] = cmsReverseToneCurve(Shapes[0]);
InvShapes[1] = cmsReverseToneCurve(Shapes[1]);
InvShapes[2] = cmsReverseToneCurve(Shapes[2]);
if (!InvShapes[0] || !InvShapes[1] || !InvShapes[2]) {
return NULL;
}
Lut = cmsPipelineAlloc(ContextID, 3, 3);
if (Lut != NULL) {
cmsPipelineInsertStage(Lut, cmsAT_END, cmsStageAllocMatrix(ContextID, 3, 3, (cmsFloat64Number*) &Inv, NULL));
cmsPipelineInsertStage(Lut, cmsAT_END, cmsStageAllocToneCurves(ContextID, 3, InvShapes));
}
cmsFreeToneCurveTriple(InvShapes);
return Lut;
}
// Change CLUT interpolation to trilinear
static
void ChangeInterpolationToTrilinear(cmsPipeline* Lut)
{
cmsStage* Stage;
for (Stage = cmsPipelineGetPtrToFirstStage(Lut);
Stage != NULL;
Stage = cmsStageNext(Stage)) {
if (cmsStageType(Stage) == cmsSigCLutElemType) {
_cmsStageCLutData* CLUT = (_cmsStageCLutData*) Stage ->Data;
CLUT ->Params->dwFlags |= CMS_LERP_FLAGS_TRILINEAR;
_cmsSetInterpolationRoutine(CLUT ->Params);
}
}
}
// Create an output MPE LUT from agiven profile. Version mismatches are handled here
cmsPipeline* _cmsReadOutputLUT(cmsHPROFILE hProfile, int Intent)
{
cmsTagTypeSignature OriginalType;
cmsTagSignature tag16 = PCS2Device16[Intent];
cmsTagSignature tagFloat = PCS2DeviceFloat[Intent];
cmsContext ContextID = cmsGetProfileContextID(hProfile);
if (cmsIsTag(hProfile, tagFloat)) { // Float tag takes precedence
// Floating point LUT are always V4, so no adjustment is required
return cmsPipelineDup((cmsPipeline*) cmsReadTag(hProfile, tagFloat));
}
// Revert to perceptual if no tag is found
if (!cmsIsTag(hProfile, tag16)) {
tag16 = PCS2Device16[0];
}
if (cmsIsTag(hProfile, tag16)) { // Is there any LUT-Based table?
// Check profile version and LUT type. Do the necessary adjustments if needed
// First read the tag
cmsPipeline* Lut = (cmsPipeline*) cmsReadTag(hProfile, tag16);
if (Lut == NULL) return NULL;
// After reading it, we have info about the original type
OriginalType = _cmsGetTagTrueType(hProfile, tag16);
// The profile owns the Lut, so we need to copy it
Lut = cmsPipelineDup(Lut);
if (Lut == NULL) return NULL;
// Now it is time for a controversial stuff. I found that for 3D LUTS using
// Lab used as indexer space, trilinear interpolation should be used
if (cmsGetPCS(hProfile) == cmsSigLabData)
ChangeInterpolationToTrilinear(Lut);
// We need to adjust data only for Lab and Lut16 type
if (OriginalType != cmsSigLut16Type || cmsGetPCS(hProfile) != cmsSigLabData)
return Lut;
// Add a matrix for conversion V4 to V2 Lab PCS
cmsPipelineInsertStage(Lut, cmsAT_BEGIN, _cmsStageAllocLabV4ToV2(ContextID));
// If the output is Lab, add also a conversion at the end
if (cmsGetColorSpace(hProfile) == cmsSigLabData)
cmsPipelineInsertStage(Lut, cmsAT_END, _cmsStageAllocLabV2ToV4(ContextID));
return Lut;
}
// Lut not found, try to create a matrix-shaper
// Check if this is a grayscale profile.
if (cmsGetColorSpace(hProfile) == cmsSigGrayData) {
// if so, build appropiate conversion tables.
// The tables are the PCS iluminant, scaled across GrayTRC
return BuildGrayOutputPipeline(hProfile);
}
// Not gray, create a normal matrix-shaper
return BuildRGBOutputMatrixShaper(hProfile);
}
// ---------------------------------------------------------------------------------------------------------------
// This one includes abstract profiles as well. Matrix-shaper cannot be obtained on that device class. The
// tag name here may default to AToB0
cmsPipeline* _cmsReadDevicelinkLUT(cmsHPROFILE hProfile, int Intent)
{
cmsPipeline* Lut;
cmsTagTypeSignature OriginalType;
cmsTagSignature tag16 = Device2PCS16[Intent];
cmsTagSignature tagFloat = Device2PCSFloat[Intent];
cmsContext ContextID = cmsGetProfileContextID(hProfile);
// On named color, take the appropiate tag
if (cmsGetDeviceClass(hProfile) == cmsSigNamedColorClass) {
cmsNAMEDCOLORLIST* nc = (cmsNAMEDCOLORLIST*) cmsReadTag(hProfile, cmsSigNamedColor2Tag);
if (nc == NULL) return NULL;
Lut = cmsPipelineAlloc(ContextID, 0, 0);
if (Lut == NULL) {
cmsFreeNamedColorList(nc);
return NULL;
}
cmsPipelineInsertStage(Lut, cmsAT_BEGIN, _cmsStageAllocNamedColor(nc, FALSE));
if (cmsGetColorSpace(hProfile) == cmsSigLabData)
cmsPipelineInsertStage(Lut, cmsAT_END, _cmsStageAllocLabV2ToV4(ContextID));
return Lut;
}
if (cmsIsTag(hProfile, tagFloat)) { // Float tag takes precedence
// Floating point LUT are always V4, no adjustment is required
return cmsPipelineDup((cmsPipeline*) cmsReadTag(hProfile, tagFloat));
}
tagFloat = Device2PCSFloat[0];
if (cmsIsTag(hProfile, tagFloat)) {
return cmsPipelineDup((cmsPipeline*) cmsReadTag(hProfile, tagFloat));
}
if (!cmsIsTag(hProfile, tag16)) { // Is there any LUT-Based table?
tag16 = Device2PCS16[0];
if (!cmsIsTag(hProfile, tag16)) return NULL;
}
// Check profile version and LUT type. Do the necessary adjustments if needed
// Read the tag
Lut = (cmsPipeline*) cmsReadTag(hProfile, tag16);
if (Lut == NULL) return NULL;
// The profile owns the Lut, so we need to copy it
Lut = cmsPipelineDup(Lut);
if (Lut == NULL) return NULL;
// Now it is time for a controversial stuff. I found that for 3D LUTS using
// Lab used as indexer space, trilinear interpolation should be used
if (cmsGetColorSpace(hProfile) == cmsSigLabData)
ChangeInterpolationToTrilinear(Lut);
// After reading it, we have info about the original type
OriginalType = _cmsGetTagTrueType(hProfile, tag16);
// We need to adjust data for Lab16 on output
if (OriginalType != cmsSigLut16Type) return Lut;
// Here it is possible to get Lab on both sides
if (cmsGetPCS(hProfile) == cmsSigLabData) {
cmsPipelineInsertStage(Lut, cmsAT_BEGIN, _cmsStageAllocLabV4ToV2(ContextID));
}
if (cmsGetColorSpace(hProfile) == cmsSigLabData) {
cmsPipelineInsertStage(Lut, cmsAT_END, _cmsStageAllocLabV2ToV4(ContextID));
}
return Lut;
}
// ---------------------------------------------------------------------------------------------------------------
// Returns TRUE if the profile is implemented as matrix-shaper
cmsBool CMSEXPORT cmsIsMatrixShaper(cmsHPROFILE hProfile)
{
switch (cmsGetColorSpace(hProfile)) {
case cmsSigGrayData:
return cmsIsTag(hProfile, cmsSigGrayTRCTag);
case cmsSigRgbData:
return (cmsIsTag(hProfile, cmsSigRedColorantTag) &&
cmsIsTag(hProfile, cmsSigGreenColorantTag) &&
cmsIsTag(hProfile, cmsSigBlueColorantTag) &&
cmsIsTag(hProfile, cmsSigRedTRCTag) &&
cmsIsTag(hProfile, cmsSigGreenTRCTag) &&
cmsIsTag(hProfile, cmsSigBlueTRCTag));
default:
return FALSE;
}
}
// Returns TRUE if the intent is implemented as CLUT
cmsBool CMSEXPORT cmsIsCLUT(cmsHPROFILE hProfile, cmsUInt32Number Intent, cmsUInt32Number UsedDirection)
{
const cmsTagSignature* TagTable;
// For devicelinks, the supported intent is that one stated in the header
if (cmsGetDeviceClass(hProfile) == cmsSigLinkClass) {
return (cmsGetHeaderRenderingIntent(hProfile) == Intent);
}
switch (UsedDirection) {
case LCMS_USED_AS_INPUT: TagTable = Device2PCS16; break;
case LCMS_USED_AS_OUTPUT:TagTable = PCS2Device16; break;
// For proofing, we need rel. colorimetric in output. Let's do some recursion
case LCMS_USED_AS_PROOF:
return cmsIsIntentSupported(hProfile, Intent, LCMS_USED_AS_INPUT) &&
cmsIsIntentSupported(hProfile, INTENT_RELATIVE_COLORIMETRIC, LCMS_USED_AS_OUTPUT);
default:
cmsSignalError(cmsGetProfileContextID(hProfile), cmsERROR_RANGE, "Unexpected direction (%d)", UsedDirection);
return FALSE;
}
return cmsIsTag(hProfile, TagTable[Intent]);
}
// Return info about supported intents
cmsBool CMSEXPORT cmsIsIntentSupported(cmsHPROFILE hProfile,
cmsUInt32Number Intent, cmsUInt32Number UsedDirection)
{
if (cmsIsCLUT(hProfile, Intent, UsedDirection)) return TRUE;
// Is there any matrix-shaper? If so, the intent is supported. This is a bit odd, since V2 matrix shaper
// does not fully support relative colorimetric because they cannot deal with non-zero black points, but
// many profiles claims that, and this is certainly not true for V4 profiles. Lets answer "yes" no matter
// the accuracy would be less than optimal in rel.col and v2 case.
return cmsIsMatrixShaper(hProfile);
}
// ---------------------------------------------------------------------------------------------------------------
// Read both, profile sequence description and profile sequence id if present. Then combine both to
// create qa unique structure holding both. Shame on ICC to store things in such complicated way.
cmsSEQ* _cmsReadProfileSequence(cmsHPROFILE hProfile)
{
cmsSEQ* ProfileSeq;
cmsSEQ* ProfileId;
cmsSEQ* NewSeq;
cmsUInt32Number i;
// Take profile sequence description first
ProfileSeq = (cmsSEQ*) cmsReadTag(hProfile, cmsSigProfileSequenceDescTag);
// Take profile sequence ID
ProfileId = (cmsSEQ*) cmsReadTag(hProfile, cmsSigProfileSequenceIdTag);
if (ProfileSeq == NULL && ProfileId == NULL) return NULL;
if (ProfileSeq == NULL) return cmsDupProfileSequenceDescription(ProfileId);
if (ProfileId == NULL) return cmsDupProfileSequenceDescription(ProfileSeq);
// We have to mix both together. For that they must agree
if (ProfileSeq ->n != ProfileId ->n) return cmsDupProfileSequenceDescription(ProfileSeq);
NewSeq = cmsDupProfileSequenceDescription(ProfileSeq);
// Ok, proceed to the mixing
if (NewSeq != NULL) {
for (i=0; i < ProfileSeq ->n; i++) {
memmove(&NewSeq ->seq[i].ProfileID, &ProfileId ->seq[i].ProfileID, sizeof(cmsProfileID));
NewSeq ->seq[i].Description = cmsMLUdup(ProfileId ->seq[i].Description);
}
}
return NewSeq;
}
// Dump the contents of profile sequence in both tags (if v4 available)
cmsBool _cmsWriteProfileSequence(cmsHPROFILE hProfile, const cmsSEQ* seq)
{
if (!cmsWriteTag(hProfile, cmsSigProfileSequenceDescTag, seq)) return FALSE;
if (cmsGetProfileVersion(hProfile) >= 4.0) {
if (!cmsWriteTag(hProfile, cmsSigProfileSequenceIdTag, seq)) return FALSE;
}
return TRUE;
}
// Auxiliar, read and duplicate a MLU if found.
static
cmsMLU* GetMLUFromProfile(cmsHPROFILE h, cmsTagSignature sig)
{
cmsMLU* mlu = (cmsMLU*) cmsReadTag(h, sig);
if (mlu == NULL) return NULL;
return cmsMLUdup(mlu);
}
// Create a sequence description out of an array of profiles
cmsSEQ* _cmsCompileProfileSequence(cmsContext ContextID, cmsUInt32Number nProfiles, cmsHPROFILE hProfiles[])
{
cmsUInt32Number i;
cmsSEQ* seq = cmsAllocProfileSequenceDescription(ContextID, nProfiles);
if (seq == NULL) return NULL;
for (i=0; i < nProfiles; i++) {
cmsPSEQDESC* ps = &seq ->seq[i];
cmsHPROFILE h = hProfiles[i];
cmsTechnologySignature* techpt;
cmsGetHeaderAttributes(h, &ps ->attributes);
cmsGetHeaderProfileID(h, ps ->ProfileID.ID8);
ps ->deviceMfg = cmsGetHeaderManufacturer(h);
ps ->deviceModel = cmsGetHeaderModel(h);
techpt = (cmsTechnologySignature*) cmsReadTag(h, cmsSigTechnologyTag);
if (techpt == NULL)
ps ->technology = (cmsTechnologySignature) 0;
else
ps ->technology = *techpt;
ps ->Manufacturer = GetMLUFromProfile(h, cmsSigDeviceMfgDescTag);
ps ->Model = GetMLUFromProfile(h, cmsSigDeviceModelDescTag);
ps ->Description = GetMLUFromProfile(h, cmsSigProfileDescriptionTag);
}
return seq;
}
// -------------------------------------------------------------------------------------------------------------------
static
const cmsMLU* GetInfo(cmsHPROFILE hProfile, cmsInfoType Info)
{
cmsTagSignature sig;
switch (Info) {
case cmsInfoDescription:
sig = cmsSigProfileDescriptionTag;
break;
case cmsInfoManufacturer:
sig = cmsSigDeviceMfgDescTag;
break;
case cmsInfoModel:
sig = cmsSigDeviceModelDescTag;
break;
case cmsInfoCopyright:
sig = cmsSigCopyrightTag;
break;
default: return NULL;
}
return (cmsMLU*) cmsReadTag(hProfile, sig);
}
cmsUInt32Number CMSEXPORT cmsGetProfileInfo(cmsHPROFILE hProfile, cmsInfoType Info,
const char LanguageCode[3], const char CountryCode[3],
wchar_t* Buffer, cmsUInt32Number BufferSize)
{
const cmsMLU* mlu = GetInfo(hProfile, Info);
if (mlu == NULL) return 0;
return cmsMLUgetWide(mlu, LanguageCode, CountryCode, Buffer, BufferSize);
}
cmsUInt32Number CMSEXPORT cmsGetProfileInfoASCII(cmsHPROFILE hProfile, cmsInfoType Info,
const char LanguageCode[3], const char CountryCode[3],
char* Buffer, cmsUInt32Number BufferSize)
{
const cmsMLU* mlu = GetInfo(hProfile, Info);
if (mlu == NULL) return 0;
return cmsMLUgetASCII(mlu, LanguageCode, CountryCode, Buffer, BufferSize);
}
jni/lcms2-2.2/src/cmslut.c
+1670
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jni/lcms2-2.2/src/cmsmd5.c
+317
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@@ -0,0 +1,317 @@
//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2010 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
#include "lcms2_internal.h"
#ifdef CMS_USE_BIG_ENDIAN
static
void byteReverse(cmsUInt8Number * buf, cmsUInt32Number longs)
{
do {
cmsUInt32Number t = _cmsAdjustEndianess32(*(cmsUInt32Number *) buf);
*(cmsUInt32Number *) buf = t;
buf += sizeof(cmsUInt32Number);
} while (--longs);
}
#else
#define byteReverse(buf, len)
#endif
typedef struct {
cmsUInt32Number buf[4];
cmsUInt32Number bits[2];
cmsUInt8Number in[64];
cmsContext ContextID;
} _cmsMD5;
#define F1(x, y, z) (z ^ (x & (y ^ z)))
#define F2(x, y, z) F1(z, x, y)
#define F3(x, y, z) (x ^ y ^ z)
#define F4(x, y, z) (y ^ (x | ~z))
#define STEP(f, w, x, y, z, data, s) \
( w += f(x, y, z) + data, w = w<<s | w>>(32-s), w += x )
static
void MD5_Transform(cmsUInt32Number buf[4], cmsUInt32Number in[16])
{
register cmsUInt32Number a, b, c, d;
a = buf[0];
b = buf[1];
c = buf[2];
d = buf[3];
STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
buf[0] += a;
buf[1] += b;
buf[2] += c;
buf[3] += d;
}
// Create a MD5 object
static
cmsHANDLE MD5alloc(cmsContext ContextID)
{
_cmsMD5* ctx = (_cmsMD5*) _cmsMallocZero(ContextID, sizeof(_cmsMD5));
if (ctx == NULL) return NULL;
ctx ->ContextID = ContextID;
ctx->buf[0] = 0x67452301;
ctx->buf[1] = 0xefcdab89;
ctx->buf[2] = 0x98badcfe;
ctx->buf[3] = 0x10325476;
ctx->bits[0] = 0;
ctx->bits[1] = 0;
return (cmsHANDLE) ctx;
}
static
void MD5add(cmsHANDLE Handle, cmsUInt8Number* buf, cmsUInt32Number len)
{
_cmsMD5* ctx = (_cmsMD5*) Handle;
cmsUInt32Number t;
t = ctx->bits[0];
if ((ctx->bits[0] = t + (len << 3)) < t)
ctx->bits[1]++;
ctx->bits[1] += len >> 29;
t = (t >> 3) & 0x3f;
if (t) {
cmsUInt8Number *p = (cmsUInt8Number *) ctx->in + t;
t = 64 - t;
if (len < t) {
memmove(p, buf, len);
return;
}
memmove(p, buf, t);
byteReverse(ctx->in, 16);
MD5_Transform(ctx->buf, (cmsUInt32Number *) ctx->in);
buf += t;
len -= t;
}
while (len >= 64) {
memmove(ctx->in, buf, 64);
byteReverse(ctx->in, 16);
MD5_Transform(ctx->buf, (cmsUInt32Number *) ctx->in);
buf += 64;
len -= 64;
}
memmove(ctx->in, buf, len);
}
// Destroy the object and return the checksum
static
void MD5finish(cmsProfileID* ProfileID, cmsHANDLE Handle)
{
_cmsMD5* ctx = (_cmsMD5*) Handle;
cmsUInt32Number count;
cmsUInt8Number *p;
count = (ctx->bits[0] >> 3) & 0x3F;
p = ctx->in + count;
*p++ = 0x80;
count = 64 - 1 - count;
if (count < 8) {
memset(p, 0, count);
byteReverse(ctx->in, 16);
MD5_Transform(ctx->buf, (cmsUInt32Number *) ctx->in);
memset(ctx->in, 0, 56);
} else {
memset(p, 0, count - 8);
}
byteReverse(ctx->in, 14);
((cmsUInt32Number *) ctx->in)[14] = ctx->bits[0];
((cmsUInt32Number *) ctx->in)[15] = ctx->bits[1];
MD5_Transform(ctx->buf, (cmsUInt32Number *) ctx->in);
byteReverse((cmsUInt8Number *) ctx->buf, 4);
memmove(ProfileID ->ID8, ctx->buf, 16);
_cmsFree(ctx ->ContextID, ctx);
}
// Assuming io points to an ICC profile, compute and store MD5 checksum
// In the header, rendering intentent, attributes and ID should be set to zero
// before computing MD5 checksum (per 6.1.13 in ICC spec)
cmsBool CMSEXPORT cmsMD5computeID(cmsHPROFILE hProfile)
{
cmsContext ContextID;
cmsUInt32Number BytesNeeded;
cmsUInt8Number* Mem = NULL;
cmsHANDLE MD5 = NULL;
_cmsICCPROFILE* Icc = (_cmsICCPROFILE*) hProfile;
_cmsICCPROFILE Keep;
_cmsAssert(hProfile != NULL);
ContextID = cmsGetProfileContextID(hProfile);
// Save a copy of the profile header
memmove(&Keep, Icc, sizeof(_cmsICCPROFILE));
// Set RI, attributes and ID
memset(&Icc ->attributes, 0, sizeof(Icc ->attributes));
Icc ->RenderingIntent = 0;
memset(&Icc ->ProfileID, 0, sizeof(Icc ->ProfileID));
// Compute needed storage
if (!cmsSaveProfileToMem(hProfile, NULL, &BytesNeeded)) goto Error;
// Allocate memory
Mem = (cmsUInt8Number*) _cmsMalloc(ContextID, BytesNeeded);
if (Mem == NULL) goto Error;
// Save to temporary storage
if (!cmsSaveProfileToMem(hProfile, Mem, &BytesNeeded)) goto Error;
// Create MD5 object
MD5 = MD5alloc(ContextID);
if (MD5 == NULL) goto Error;
// Add all bytes
MD5add(MD5, Mem, BytesNeeded);
// Temp storage is no longer needed
_cmsFree(ContextID, Mem);
// Restore header
memmove(Icc, &Keep, sizeof(_cmsICCPROFILE));
// And store the ID
MD5finish(&Icc ->ProfileID, MD5);
return TRUE;
Error:
// Free resources as something went wrong
if (MD5 != NULL) _cmsFree(ContextID, MD5);
if (Mem != NULL) _cmsFree(ContextID, Mem);
memmove(Icc, &Keep, sizeof(_cmsICCPROFILE));
return FALSE;
}
jni/lcms2-2.2/src/cmsmtrx.c
+176
View File
@@ -0,0 +1,176 @@
//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2010 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
//
#include "lcms2_internal.h"
#define DSWAP(x, y) {cmsFloat64Number tmp = (x); (x)=(y); (y)=tmp;}
// Initiate a vector
void CMSEXPORT _cmsVEC3init(cmsVEC3* r, cmsFloat64Number x, cmsFloat64Number y, cmsFloat64Number z)
{
r -> n[VX] = x;
r -> n[VY] = y;
r -> n[VZ] = z;
}
// Vector substraction
void CMSEXPORT _cmsVEC3minus(cmsVEC3* r, const cmsVEC3* a, const cmsVEC3* b)
{
r -> n[VX] = a -> n[VX] - b -> n[VX];
r -> n[VY] = a -> n[VY] - b -> n[VY];
r -> n[VZ] = a -> n[VZ] - b -> n[VZ];
}
// Vector cross product
void CMSEXPORT _cmsVEC3cross(cmsVEC3* r, const cmsVEC3* u, const cmsVEC3* v)
{
r ->n[VX] = u->n[VY] * v->n[VZ] - v->n[VY] * u->n[VZ];
r ->n[VY] = u->n[VZ] * v->n[VX] - v->n[VZ] * u->n[VX];
r ->n[VZ] = u->n[VX] * v->n[VY] - v->n[VX] * u->n[VY];
}
// Vector dot product
cmsFloat64Number CMSEXPORT _cmsVEC3dot(const cmsVEC3* u, const cmsVEC3* v)
{
return u->n[VX] * v->n[VX] + u->n[VY] * v->n[VY] + u->n[VZ] * v->n[VZ];
}
// Euclidean length
cmsFloat64Number CMSEXPORT _cmsVEC3length(const cmsVEC3* a)
{
return sqrt(a ->n[VX] * a ->n[VX] +
a ->n[VY] * a ->n[VY] +
a ->n[VZ] * a ->n[VZ]);
}
// Euclidean distance
cmsFloat64Number CMSEXPORT _cmsVEC3distance(const cmsVEC3* a, const cmsVEC3* b)
{
cmsFloat64Number d1 = a ->n[VX] - b ->n[VX];
cmsFloat64Number d2 = a ->n[VY] - b ->n[VY];
cmsFloat64Number d3 = a ->n[VZ] - b ->n[VZ];
return sqrt(d1*d1 + d2*d2 + d3*d3);
}
// 3x3 Identity
void CMSEXPORT _cmsMAT3identity(cmsMAT3* a)
{
_cmsVEC3init(&a-> v[0], 1.0, 0.0, 0.0);
_cmsVEC3init(&a-> v[1], 0.0, 1.0, 0.0);
_cmsVEC3init(&a-> v[2], 0.0, 0.0, 1.0);
}
static
cmsBool CloseEnough(cmsFloat64Number a, cmsFloat64Number b)
{
return fabs(b - a) < (1.0 / 65535.0);
}
cmsBool CMSEXPORT _cmsMAT3isIdentity(const cmsMAT3* a)
{
cmsMAT3 Identity;
int i, j;
_cmsMAT3identity(&Identity);
for (i=0; i < 3; i++)
for (j=0; j < 3; j++)
if (!CloseEnough(a ->v[i].n[j], Identity.v[i].n[j])) return FALSE;
return TRUE;
}
// Multiply two matrices
void CMSEXPORT _cmsMAT3per(cmsMAT3* r, const cmsMAT3* a, const cmsMAT3* b)
{
#define ROWCOL(i, j) \
a->v[i].n[0]*b->v[0].n[j] + a->v[i].n[1]*b->v[1].n[j] + a->v[i].n[2]*b->v[2].n[j]
_cmsVEC3init(&r-> v[0], ROWCOL(0,0), ROWCOL(0,1), ROWCOL(0,2));
_cmsVEC3init(&r-> v[1], ROWCOL(1,0), ROWCOL(1,1), ROWCOL(1,2));
_cmsVEC3init(&r-> v[2], ROWCOL(2,0), ROWCOL(2,1), ROWCOL(2,2));
#undef ROWCOL //(i, j)
}
// Inverse of a matrix b = a^(-1)
cmsBool CMSEXPORT _cmsMAT3inverse(const cmsMAT3* a, cmsMAT3* b)
{
cmsFloat64Number det, c0, c1, c2;
c0 = a -> v[1].n[1]*a -> v[2].n[2] - a -> v[1].n[2]*a -> v[2].n[1];
c1 = -a -> v[1].n[0]*a -> v[2].n[2] + a -> v[1].n[2]*a -> v[2].n[0];
c2 = a -> v[1].n[0]*a -> v[2].n[1] - a -> v[1].n[1]*a -> v[2].n[0];
det = a -> v[0].n[0]*c0 + a -> v[0].n[1]*c1 + a -> v[0].n[2]*c2;
if (fabs(det) < MATRIX_DET_TOLERANCE) return FALSE; // singular matrix; can't invert
b -> v[0].n[0] = c0/det;
b -> v[0].n[1] = (a -> v[0].n[2]*a -> v[2].n[1] - a -> v[0].n[1]*a -> v[2].n[2])/det;
b -> v[0].n[2] = (a -> v[0].n[1]*a -> v[1].n[2] - a -> v[0].n[2]*a -> v[1].n[1])/det;
b -> v[1].n[0] = c1/det;
b -> v[1].n[1] = (a -> v[0].n[0]*a -> v[2].n[2] - a -> v[0].n[2]*a -> v[2].n[0])/det;
b -> v[1].n[2] = (a -> v[0].n[2]*a -> v[1].n[0] - a -> v[0].n[0]*a -> v[1].n[2])/det;
b -> v[2].n[0] = c2/det;
b -> v[2].n[1] = (a -> v[0].n[1]*a -> v[2].n[0] - a -> v[0].n[0]*a -> v[2].n[1])/det;
b -> v[2].n[2] = (a -> v[0].n[0]*a -> v[1].n[1] - a -> v[0].n[1]*a -> v[1].n[0])/det;
return TRUE;
}
// Solve a system in the form Ax = b
cmsBool CMSEXPORT _cmsMAT3solve(cmsVEC3* x, cmsMAT3* a, cmsVEC3* b)
{
cmsMAT3 m, a_1;
memmove(&m, a, sizeof(cmsMAT3));
if (!_cmsMAT3inverse(&m, &a_1)) return FALSE; // Singular matrix
_cmsMAT3eval(x, &a_1, b);
return TRUE;
}
// Evaluate a vector across a matrix
void CMSEXPORT _cmsMAT3eval(cmsVEC3* r, const cmsMAT3* a, const cmsVEC3* v)
{
r->n[VX] = a->v[0].n[VX]*v->n[VX] + a->v[0].n[VY]*v->n[VY] + a->v[0].n[VZ]*v->n[VZ];
r->n[VY] = a->v[1].n[VX]*v->n[VX] + a->v[1].n[VY]*v->n[VY] + a->v[1].n[VZ]*v->n[VZ];
r->n[VZ] = a->v[2].n[VX]*v->n[VX] + a->v[2].n[VY]*v->n[VY] + a->v[2].n[VZ]*v->n[VZ];
}
jni/lcms2-2.2/src/cmsnamed.c
+893
View File
@@ -0,0 +1,893 @@
//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2010 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
//
#include "lcms2_internal.h"
// Multilocalized unicode objects. That is an attempt to encapsulate i18n.
// Allocates an empty multi localizad unicode object
cmsMLU* CMSEXPORT cmsMLUalloc(cmsContext ContextID, cmsUInt32Number nItems)
{
cmsMLU* mlu;
// nItems should be positive if given
if (nItems <= 0) nItems = 2;
// Create the container
mlu = (cmsMLU*) _cmsMallocZero(ContextID, sizeof(cmsMLU));
if (mlu == NULL) return NULL;
mlu ->ContextID = ContextID;
// Create entry array
mlu ->Entries = (_cmsMLUentry*) _cmsCalloc(ContextID, nItems, sizeof(_cmsMLUentry));
if (mlu ->Entries == NULL) {
_cmsFree(ContextID, mlu);
return NULL;
}
// Ok, keep indexes up to date
mlu ->AllocatedEntries = nItems;
mlu ->UsedEntries = 0;
return mlu;
}
// Grows a mempool table for a MLU. Each time this function is called, mempool size is multiplied times two.
static
cmsBool GrowMLUpool(cmsMLU* mlu)
{
cmsUInt32Number size;
void *NewPtr;
// Sanity check
if (mlu == NULL) return FALSE;
if (mlu ->PoolSize == 0)
size = 256;
else
size = mlu ->PoolSize * 2;
// Check for overflow
if (size < mlu ->PoolSize) return FALSE;
// Reallocate the pool
NewPtr = _cmsRealloc(mlu ->ContextID, mlu ->MemPool, size);
if (NewPtr == NULL) return FALSE;
mlu ->MemPool = NewPtr;
mlu ->PoolSize = size;
return TRUE;
}
// Grows a ntry table for a MLU. Each time this function is called, table size is multiplied times two.
static
cmsBool GrowMLUtable(cmsMLU* mlu)
{
int AllocatedEntries;
_cmsMLUentry *NewPtr;
// Sanity check
if (mlu == NULL) return FALSE;
AllocatedEntries = mlu ->AllocatedEntries * 2;
// Check for overflow
if (AllocatedEntries / 2 != mlu ->AllocatedEntries) return FALSE;
// Reallocate the memory
NewPtr = (_cmsMLUentry*)_cmsRealloc(mlu ->ContextID, mlu ->Entries, AllocatedEntries*sizeof(_cmsMLUentry));
if (NewPtr == NULL) return FALSE;
mlu ->Entries = NewPtr;
mlu ->AllocatedEntries = AllocatedEntries;
return TRUE;
}
// Search for a specific entry in the structure. Language and Country are used.
static
int SearchMLUEntry(cmsMLU* mlu, cmsUInt16Number LanguageCode, cmsUInt16Number CountryCode)
{
int i;
// Sanity check
if (mlu == NULL) return -1;
// Iterate whole table
for (i=0; i < mlu ->UsedEntries; i++) {
if (mlu ->Entries[i].Country == CountryCode &&
mlu ->Entries[i].Language == LanguageCode) return i;
}
// Not found
return -1;
}
// Add a block of characters to the intended MLU. Language and country are specified.
// Only one entry for Language/country pair is allowed.
static
cmsBool AddMLUBlock(cmsMLU* mlu, cmsUInt32Number size, const wchar_t *Block,
cmsUInt16Number LanguageCode, cmsUInt16Number CountryCode)
{
cmsUInt32Number Offset;
cmsUInt8Number* Ptr;
// Sanity check
if (mlu == NULL) return FALSE;
// Is there any room available?
if (mlu ->UsedEntries >= mlu ->AllocatedEntries) {
if (!GrowMLUtable(mlu)) return FALSE;
}
// Only one ASCII string
if (SearchMLUEntry(mlu, LanguageCode, CountryCode) >= 0) return FALSE; // Only one is allowed!
// Check for size
while ((mlu ->PoolSize - mlu ->PoolUsed) < size) {
if (!GrowMLUpool(mlu)) return FALSE;
}
Offset = mlu ->PoolUsed;
Ptr = (cmsUInt8Number*) mlu ->MemPool;
if (Ptr == NULL) return FALSE;
// Set the entry
memmove(Ptr + Offset, Block, size);
mlu ->PoolUsed += size;
mlu ->Entries[mlu ->UsedEntries].StrW = Offset;
mlu ->Entries[mlu ->UsedEntries].Len = size;
mlu ->Entries[mlu ->UsedEntries].Country = CountryCode;
mlu ->Entries[mlu ->UsedEntries].Language = LanguageCode;
mlu ->UsedEntries++;
return TRUE;
}
// Add an ASCII entry.
cmsBool CMSEXPORT cmsMLUsetASCII(cmsMLU* mlu, const char LanguageCode[3], const char CountryCode[3], const char* ASCIIString)
{
cmsUInt32Number i, len = (cmsUInt32Number) strlen(ASCIIString)+1;
wchar_t* WStr;
cmsBool rc;
cmsUInt16Number Lang = _cmsAdjustEndianess16(*(cmsUInt16Number*) LanguageCode);
cmsUInt16Number Cntry = _cmsAdjustEndianess16(*(cmsUInt16Number*) CountryCode);
if (mlu == NULL) return FALSE;
WStr = (wchar_t*) _cmsCalloc(mlu ->ContextID, len, sizeof(wchar_t));
if (WStr == NULL) return FALSE;
for (i=0; i < len; i++)
WStr[i] = (wchar_t) ASCIIString[i];
rc = AddMLUBlock(mlu, len * sizeof(wchar_t), WStr, Lang, Cntry);
_cmsFree(mlu ->ContextID, WStr);
return rc;
}
// We don't need any wcs support library
static
cmsUInt32Number mywcslen(const wchar_t *s)
{
const wchar_t *p;
p = s;
while (*p)
p++;
return (cmsUInt32Number)(p - s);
}
// Add a wide entry
cmsBool CMSEXPORT cmsMLUsetWide(cmsMLU* mlu, const char Language[3], const char Country[3], const wchar_t* WideString)
{
cmsUInt16Number Lang = _cmsAdjustEndianess16(*(cmsUInt16Number*) Language);
cmsUInt16Number Cntry = _cmsAdjustEndianess16(*(cmsUInt16Number*) Country);
cmsUInt32Number len;
if (mlu == NULL) return FALSE;
if (WideString == NULL) return FALSE;
len = (cmsUInt32Number) (mywcslen(WideString) + 1) * sizeof(wchar_t);
return AddMLUBlock(mlu, len, WideString, Lang, Cntry);
}
// Duplicating a MLU is as easy as copying all members
cmsMLU* CMSEXPORT cmsMLUdup(const cmsMLU* mlu)
{
cmsMLU* NewMlu = NULL;
// Duplicating a NULL obtains a NULL
if (mlu == NULL) return NULL;
NewMlu = cmsMLUalloc(mlu ->ContextID, mlu ->UsedEntries);
if (NewMlu == NULL) return NULL;
// Should never happen
if (NewMlu ->AllocatedEntries < mlu ->UsedEntries)
goto Error;
// Sanitize...
if (NewMlu ->Entries == NULL || mlu ->Entries == NULL) goto Error;
memmove(NewMlu ->Entries, mlu ->Entries, mlu ->UsedEntries * sizeof(_cmsMLUentry));
NewMlu ->UsedEntries = mlu ->UsedEntries;
// The MLU may be empty
if (mlu ->PoolUsed == 0) {
NewMlu ->MemPool = NULL;
}
else {
// It is not empty
NewMlu ->MemPool = _cmsMalloc(mlu ->ContextID, mlu ->PoolUsed);
if (NewMlu ->MemPool == NULL) goto Error;
}
NewMlu ->PoolSize = mlu ->PoolUsed;
if (NewMlu ->MemPool == NULL || mlu ->MemPool == NULL) goto Error;
memmove(NewMlu ->MemPool, mlu->MemPool, mlu ->PoolUsed);
NewMlu ->PoolUsed = mlu ->PoolUsed;
return NewMlu;
Error:
if (NewMlu != NULL) cmsMLUfree(NewMlu);
return NULL;
}
// Free any used memory
void CMSEXPORT cmsMLUfree(cmsMLU* mlu)
{
if (mlu) {
if (mlu -> Entries) _cmsFree(mlu ->ContextID, mlu->Entries);
if (mlu -> MemPool) _cmsFree(mlu ->ContextID, mlu->MemPool);
_cmsFree(mlu ->ContextID, mlu);
}
}
// The algorithm first searches for an exact match of country and language, if not found it uses
// the Language. If none is found, first entry is used instead.
static
const wchar_t* _cmsMLUgetWide(const cmsMLU* mlu,
cmsUInt32Number *len,
cmsUInt16Number LanguageCode, cmsUInt16Number CountryCode,
cmsUInt16Number* UsedLanguageCode, cmsUInt16Number* UsedCountryCode)
{
int i;
int Best = -1;
_cmsMLUentry* v;
if (mlu == NULL) return NULL;
if (mlu -> AllocatedEntries <= 0) return NULL;
for (i=0; i < mlu ->UsedEntries; i++) {
v = mlu ->Entries + i;
if (v -> Language == LanguageCode) {
if (Best == -1) Best = i;
if (v -> Country == CountryCode) {
if (UsedLanguageCode != NULL) *UsedLanguageCode = v ->Language;
if (UsedCountryCode != NULL) *UsedCountryCode = v ->Country;
if (len != NULL) *len = v ->Len;
return (wchar_t*) ((cmsUInt8Number*) mlu ->MemPool + v -> StrW); // Found exact match
}
}
}
// No string found. Return First one
if (Best == -1)
Best = 0;
v = mlu ->Entries + Best;
if (UsedLanguageCode != NULL) *UsedLanguageCode = v ->Language;
if (UsedCountryCode != NULL) *UsedCountryCode = v ->Country;
if (len != NULL) *len = v ->Len;
return(wchar_t*) ((cmsUInt8Number*) mlu ->MemPool + v ->StrW);
}
// Obtain an ASCII representation of the wide string. Setting buffer to NULL returns the len
cmsUInt32Number CMSEXPORT cmsMLUgetASCII(const cmsMLU* mlu,
const char LanguageCode[3], const char CountryCode[3],
char* Buffer, cmsUInt32Number BufferSize)
{
const wchar_t *Wide;
cmsUInt32Number StrLen = 0;
cmsUInt32Number ASCIIlen, i;
cmsUInt16Number Lang = _cmsAdjustEndianess16(*(cmsUInt16Number*) LanguageCode);
cmsUInt16Number Cntry = _cmsAdjustEndianess16(*(cmsUInt16Number*) CountryCode);
// Sanitize
if (mlu == NULL) return 0;
// Get WideChar
Wide = _cmsMLUgetWide(mlu, &StrLen, Lang, Cntry, NULL, NULL);
if (Wide == NULL) return 0;
ASCIIlen = StrLen / sizeof(wchar_t);
// Maybe we want only to know the len?
if (Buffer == NULL) return ASCIIlen + 1; // Note the zero at the end
// No buffer size means no data
if (BufferSize <= 0) return 0;
// Some clipping may be required
if (BufferSize < ASCIIlen + 1)
ASCIIlen = BufferSize - 1;
// Precess each character
for (i=0; i < ASCIIlen; i++) {
if (Wide[i] == 0)
Buffer[i] = 0;
else
Buffer[i] = (char) Wide[i];
}
// We put a termination "\0"
Buffer[ASCIIlen] = 0;
return ASCIIlen + 1;
}
// Obtain a wide representation of the MLU, on depending on current locale settings
cmsUInt32Number CMSEXPORT cmsMLUgetWide(const cmsMLU* mlu,
const char LanguageCode[3], const char CountryCode[3],
wchar_t* Buffer, cmsUInt32Number BufferSize)
{
const wchar_t *Wide;
cmsUInt32Number StrLen = 0;
cmsUInt16Number Lang = _cmsAdjustEndianess16(*(cmsUInt16Number*) LanguageCode);
cmsUInt16Number Cntry = _cmsAdjustEndianess16(*(cmsUInt16Number*) CountryCode);
// Sanitize
if (mlu == NULL) return 0;
Wide = _cmsMLUgetWide(mlu, &StrLen, Lang, Cntry, NULL, NULL);
if (Wide == NULL) return 0;
// Maybe we want only to know the len?
if (Buffer == NULL) return StrLen + sizeof(wchar_t);
// No buffer size means no data
if (BufferSize <= 0) return 0;
// Some clipping may be required
if (BufferSize < StrLen + sizeof(wchar_t))
StrLen = BufferSize - + sizeof(wchar_t);
memmove(Buffer, Wide, StrLen);
Buffer[StrLen / sizeof(wchar_t)] = 0;
return StrLen + sizeof(wchar_t);
}
// Get also the language and country
CMSAPI cmsBool CMSEXPORT cmsMLUgetTranslation(const cmsMLU* mlu,
const char LanguageCode[3], const char CountryCode[3],
char ObtainedLanguage[3], char ObtainedCountry[3])
{
const wchar_t *Wide;
cmsUInt16Number Lang = _cmsAdjustEndianess16(*(cmsUInt16Number*) LanguageCode);
cmsUInt16Number Cntry = _cmsAdjustEndianess16(*(cmsUInt16Number*) CountryCode);
cmsUInt16Number ObtLang, ObtCode;
// Sanitize
if (mlu == NULL) return FALSE;
Wide = _cmsMLUgetWide(mlu, NULL, Lang, Cntry, &ObtLang, &ObtCode);
if (Wide == NULL) return FALSE;
// Get used language and code
*(cmsUInt16Number *)ObtainedLanguage = _cmsAdjustEndianess16(ObtLang);
*(cmsUInt16Number *)ObtainedCountry = _cmsAdjustEndianess16(ObtCode);
ObtainedLanguage[2] = ObtainedCountry[2] = 0;
return TRUE;
}
// Named color lists --------------------------------------------------------------------------------------------
// Grow the list to keep at least NumElements
static
cmsBool GrowNamedColorList(cmsNAMEDCOLORLIST* v)
{
cmsUInt32Number size;
_cmsNAMEDCOLOR * NewPtr;
if (v == NULL) return FALSE;
if (v ->Allocated == 0)
size = 64; // Initial guess
else
size = v ->Allocated * 2;
// Keep a maximum color lists can grow, 100K entries seems reasonable
if (size > 1024*100) return FALSE;
NewPtr = (_cmsNAMEDCOLOR*) _cmsRealloc(v ->ContextID, v ->List, size * sizeof(_cmsNAMEDCOLOR));
if (NewPtr == NULL)
return FALSE;
v ->List = NewPtr;
v ->Allocated = size;
return TRUE;
}
// Allocate a list for n elements
cmsNAMEDCOLORLIST* CMSEXPORT cmsAllocNamedColorList(cmsContext ContextID, cmsUInt32Number n, cmsUInt32Number ColorantCount, const char* Prefix, const char* Suffix)
{
cmsNAMEDCOLORLIST* v = (cmsNAMEDCOLORLIST*) _cmsMallocZero(ContextID, sizeof(cmsNAMEDCOLORLIST));
if (v == NULL) return NULL;
v ->List = NULL;
v ->nColors = 0;
v ->ContextID = ContextID;
while (v -> Allocated < n)
GrowNamedColorList(v);
strncpy(v ->Prefix, Prefix, sizeof(v ->Prefix));
strncpy(v ->Suffix, Suffix, sizeof(v ->Suffix));
v -> ColorantCount = ColorantCount;
return v;
}
// Free a list
void CMSEXPORT cmsFreeNamedColorList(cmsNAMEDCOLORLIST* v)
{
if (v ->List) _cmsFree(v ->ContextID, v ->List);
if (v) _cmsFree(v ->ContextID, v);
}
cmsNAMEDCOLORLIST* CMSEXPORT cmsDupNamedColorList(const cmsNAMEDCOLORLIST* v)
{
cmsNAMEDCOLORLIST* NewNC;
if (v == NULL) return NULL;
NewNC= cmsAllocNamedColorList(v ->ContextID, v -> nColors, v ->ColorantCount, v ->Prefix, v ->Suffix);
if (NewNC == NULL) return NULL;
// For really large tables we need this
while (NewNC ->Allocated < v ->Allocated)
GrowNamedColorList(NewNC);
memmove(NewNC ->Prefix, v ->Prefix, sizeof(v ->Prefix));
memmove(NewNC ->Suffix, v ->Suffix, sizeof(v ->Suffix));
NewNC ->ColorantCount = v ->ColorantCount;
memmove(NewNC->List, v ->List, v->nColors * sizeof(_cmsNAMEDCOLOR));
NewNC ->nColors = v ->nColors;
return NewNC;
}
// Append a color to a list. List pointer may change if reallocated
cmsBool CMSEXPORT cmsAppendNamedColor(cmsNAMEDCOLORLIST* NamedColorList,
const char* Name,
cmsUInt16Number PCS[3], cmsUInt16Number Colorant[cmsMAXCHANNELS])
{
cmsUInt32Number i;
if (NamedColorList == NULL) return FALSE;
if (NamedColorList ->nColors + 1 > NamedColorList ->Allocated) {
if (!GrowNamedColorList(NamedColorList)) return FALSE;
}
for (i=0; i < NamedColorList ->ColorantCount; i++)
NamedColorList ->List[NamedColorList ->nColors].DeviceColorant[i] = Colorant == NULL? 0 : Colorant[i];
for (i=0; i < 3; i++)
NamedColorList ->List[NamedColorList ->nColors].PCS[i] = PCS == NULL ? 0 : PCS[i];
if (Name != NULL)
strncpy(NamedColorList ->List[NamedColorList ->nColors].Name, Name,
sizeof(NamedColorList ->List[NamedColorList ->nColors].Name));
else
NamedColorList ->List[NamedColorList ->nColors].Name[0] = 0;
NamedColorList ->nColors++;
return TRUE;
}
// Returns number of elements
cmsUInt32Number CMSEXPORT cmsNamedColorCount(const cmsNAMEDCOLORLIST* NamedColorList)
{
if (NamedColorList == NULL) return 0;
return NamedColorList ->nColors;
}
// Info aboout a given color
cmsBool CMSEXPORT cmsNamedColorInfo(const cmsNAMEDCOLORLIST* NamedColorList, cmsUInt32Number nColor,
char* Name,
char* Prefix,
char* Suffix,
cmsUInt16Number* PCS,
cmsUInt16Number* Colorant)
{
if (NamedColorList == NULL) return FALSE;
if (nColor >= cmsNamedColorCount(NamedColorList)) return FALSE;
if (Name) strcpy(Name, NamedColorList->List[nColor].Name);
if (Prefix) strcpy(Prefix, NamedColorList->Prefix);
if (Suffix) strcpy(Suffix, NamedColorList->Suffix);
if (PCS)
memmove(PCS, NamedColorList ->List[nColor].PCS, 3*sizeof(cmsUInt16Number));
if (Colorant)
memmove(Colorant, NamedColorList ->List[nColor].DeviceColorant,
sizeof(cmsUInt16Number) * NamedColorList ->ColorantCount);
return TRUE;
}
// Search for a given color name (no prefix or suffix)
cmsInt32Number CMSEXPORT cmsNamedColorIndex(const cmsNAMEDCOLORLIST* NamedColorList, const char* Name)
{
int i, n;
if (NamedColorList == NULL) return -1;
n = cmsNamedColorCount(NamedColorList);
for (i=0; i < n; i++) {
if (cmsstrcasecmp(Name, NamedColorList->List[i].Name) == 0)
return i;
}
return -1;
}
// MPE support -----------------------------------------------------------------------------------------------------------------
static
void FreeNamedColorList(cmsStage* mpe)
{
cmsNAMEDCOLORLIST* List = (cmsNAMEDCOLORLIST*) mpe ->Data;
cmsFreeNamedColorList(List);
}
static
void* DupNamedColorList(cmsStage* mpe)
{
cmsNAMEDCOLORLIST* List = (cmsNAMEDCOLORLIST*) mpe ->Data;
return cmsDupNamedColorList(List);
}
static
void EvalNamedColorPCS(const cmsFloat32Number In[], cmsFloat32Number Out[], const cmsStage *mpe)
{
cmsNAMEDCOLORLIST* NamedColorList = (cmsNAMEDCOLORLIST*) mpe ->Data;
cmsUInt16Number index = (cmsUInt16Number) _cmsQuickSaturateWord(In[0] * 65535.0);
if (index >= NamedColorList-> nColors) {
cmsSignalError(NamedColorList ->ContextID, cmsERROR_RANGE, "Color %d out of range; ignored", index);
}
else {
// Named color always uses Lab
Out[0] = (cmsFloat32Number) (NamedColorList->List[index].PCS[0] / 65535.0);
Out[1] = (cmsFloat32Number) (NamedColorList->List[index].PCS[1] / 65535.0);
Out[2] = (cmsFloat32Number) (NamedColorList->List[index].PCS[2] / 65535.0);
}
}
static
void EvalNamedColor(const cmsFloat32Number In[], cmsFloat32Number Out[], const cmsStage *mpe)
{
cmsNAMEDCOLORLIST* NamedColorList = (cmsNAMEDCOLORLIST*) mpe ->Data;
cmsUInt16Number index = (cmsUInt16Number) _cmsQuickSaturateWord(In[0] * 65535.0);
cmsUInt32Number j;
if (index >= NamedColorList-> nColors) {
cmsSignalError(NamedColorList ->ContextID, cmsERROR_RANGE, "Color %d out of range; ignored", index);
}
else {
for (j=0; j < NamedColorList ->ColorantCount; j++)
Out[j] = (cmsFloat32Number) (NamedColorList->List[index].DeviceColorant[j] / 65535.0);
}
}
// Named color lookup element
cmsStage* _cmsStageAllocNamedColor(cmsNAMEDCOLORLIST* NamedColorList, cmsBool UsePCS)
{
return _cmsStageAllocPlaceholder(NamedColorList ->ContextID,
cmsSigNamedColorElemType,
1, UsePCS ? 3 : NamedColorList ->ColorantCount,
UsePCS ? EvalNamedColorPCS : EvalNamedColor,
DupNamedColorList,
FreeNamedColorList,
cmsDupNamedColorList(NamedColorList));
}
// Retrieve the named color list from a transform. Should be first element in the LUT
cmsNAMEDCOLORLIST* CMSEXPORT cmsGetNamedColorList(cmsHTRANSFORM xform)
{
_cmsTRANSFORM* v = (_cmsTRANSFORM*) xform;
cmsStage* mpe = v ->Lut->Elements;
if (mpe ->Type != cmsSigNamedColorElemType) return NULL;
return (cmsNAMEDCOLORLIST*) mpe ->Data;
}
// Profile sequence description routines -------------------------------------------------------------------------------------
cmsSEQ* CMSEXPORT cmsAllocProfileSequenceDescription(cmsContext ContextID, cmsUInt32Number n)
{
cmsSEQ* Seq;
cmsUInt32Number i;
if (n == 0) return NULL;
// In a absolutely arbitrary way, I hereby decide to allow a maxim of 255 profiles linked
// in a devicelink. It makes not sense anyway and may be used for exploits, so let's close the door!
if (n > 255) return NULL;
Seq = (cmsSEQ*) _cmsMallocZero(ContextID, sizeof(cmsSEQ));
if (Seq == NULL) return NULL;
Seq -> ContextID = ContextID;
Seq -> seq = (cmsPSEQDESC*) _cmsCalloc(ContextID, n, sizeof(cmsPSEQDESC));
Seq -> n = n;
for (i=0; i < n; i++) {
Seq -> seq[i].Manufacturer = NULL;
Seq -> seq[i].Model = NULL;
Seq -> seq[i].Description = NULL;
}
return Seq;
}
void CMSEXPORT cmsFreeProfileSequenceDescription(cmsSEQ* pseq)
{
cmsUInt32Number i;
for (i=0; i < pseq ->n; i++) {
if (pseq ->seq[i].Manufacturer != NULL) cmsMLUfree(pseq ->seq[i].Manufacturer);
if (pseq ->seq[i].Model != NULL) cmsMLUfree(pseq ->seq[i].Model);
if (pseq ->seq[i].Description != NULL) cmsMLUfree(pseq ->seq[i].Description);
}
if (pseq ->seq != NULL) _cmsFree(pseq ->ContextID, pseq ->seq);
_cmsFree(pseq -> ContextID, pseq);
}
cmsSEQ* CMSEXPORT cmsDupProfileSequenceDescription(const cmsSEQ* pseq)
{
cmsSEQ *NewSeq;
cmsUInt32Number i;
if (pseq == NULL)
return NULL;
NewSeq = (cmsSEQ*) _cmsMalloc(pseq -> ContextID, sizeof(cmsSEQ));
if (NewSeq == NULL) return NULL;
NewSeq -> seq = (cmsPSEQDESC*) _cmsCalloc(pseq ->ContextID, pseq ->n, sizeof(cmsPSEQDESC));
if (NewSeq ->seq == NULL) goto Error;
NewSeq -> ContextID = pseq ->ContextID;
NewSeq -> n = pseq ->n;
for (i=0; i < pseq->n; i++) {
memmove(&NewSeq ->seq[i].attributes, &pseq ->seq[i].attributes, sizeof(cmsUInt64Number));
NewSeq ->seq[i].deviceMfg = pseq ->seq[i].deviceMfg;
NewSeq ->seq[i].deviceModel = pseq ->seq[i].deviceModel;
memmove(&NewSeq ->seq[i].ProfileID, &pseq ->seq[i].ProfileID, sizeof(cmsProfileID));
NewSeq ->seq[i].technology = pseq ->seq[i].technology;
NewSeq ->seq[i].Manufacturer = cmsMLUdup(pseq ->seq[i].Manufacturer);
NewSeq ->seq[i].Model = cmsMLUdup(pseq ->seq[i].Model);
NewSeq ->seq[i].Description = cmsMLUdup(pseq ->seq[i].Description);
}
return NewSeq;
Error:
cmsFreeProfileSequenceDescription(NewSeq);
return NULL;
}
// Dictionaries --------------------------------------------------------------------------------------------------------
// Dictionaries are just very simple linked lists
typedef struct _cmsDICT_struct {
cmsDICTentry* head;
cmsContext ContextID;
} _cmsDICT;
// Allocate an empty dictionary
cmsHANDLE CMSEXPORT cmsDictAlloc(cmsContext ContextID)
{
_cmsDICT* dict = (_cmsDICT*) _cmsMallocZero(ContextID, sizeof(_cmsDICT));
if (dict == NULL) return NULL;
dict ->ContextID = ContextID;
return (cmsHANDLE) dict;
}
// Dispose resources
void CMSEXPORT cmsDictFree(cmsHANDLE hDict)
{
_cmsDICT* dict = (_cmsDICT*) hDict;
cmsDICTentry *entry, *next;
_cmsAssert(dict != NULL);
// Walk the list freeing all nodes
entry = dict ->head;
while (entry != NULL) {
if (entry ->DisplayName != NULL) cmsMLUfree(entry ->DisplayName);
if (entry ->DisplayValue != NULL) cmsMLUfree(entry ->DisplayValue);
if (entry ->Name != NULL) _cmsFree(dict ->ContextID, entry -> Name);
if (entry ->Value != NULL) _cmsFree(dict ->ContextID, entry -> Value);
// Don't fall in the habitual trap...
next = entry ->Next;
_cmsFree(dict ->ContextID, entry);
entry = next;
}
_cmsFree(dict ->ContextID, dict);
}
// Duplicate a wide char string
static
wchar_t* DupWcs(cmsContext ContextID, const wchar_t* ptr)
{
if (ptr == NULL) return NULL;
return (wchar_t*) _cmsDupMem(ContextID, ptr, (mywcslen(ptr) + 1) * sizeof(wchar_t));
}
// Add a new entry to the linked list
cmsBool CMSEXPORT cmsDictAddEntry(cmsHANDLE hDict, const wchar_t* Name, const wchar_t* Value, const cmsMLU *DisplayName, const cmsMLU *DisplayValue)
{
_cmsDICT* dict = (_cmsDICT*) hDict;
cmsDICTentry *entry;
_cmsAssert(dict != NULL);
_cmsAssert(Name != NULL);
entry = (cmsDICTentry*) _cmsMallocZero(dict ->ContextID, sizeof(cmsDICTentry));
if (entry == NULL) return FALSE;
entry ->DisplayName = cmsMLUdup(DisplayName);
entry ->DisplayValue = cmsMLUdup(DisplayValue);
entry ->Name = DupWcs(dict ->ContextID, Name);
entry ->Value = DupWcs(dict ->ContextID, Value);
entry ->Next = dict ->head;
dict ->head = entry;
return TRUE;
}
// Duplicates an existing dictionary
cmsHANDLE CMSEXPORT cmsDictDup(cmsHANDLE hDict)
{
_cmsDICT* old_dict = (_cmsDICT*) hDict;
cmsHANDLE hNew;
_cmsDICT* new_dict;
cmsDICTentry *entry;
_cmsAssert(old_dict != NULL);
hNew = cmsDictAlloc(old_dict ->ContextID);
if (hNew == NULL) return NULL;
new_dict = (_cmsDICT*) hNew;
// Walk the list freeing all nodes
entry = old_dict ->head;
while (entry != NULL) {
if (!cmsDictAddEntry(hNew, entry ->Name, entry ->Value, entry ->DisplayName, entry ->DisplayValue)) {
cmsDictFree(hNew);
return NULL;
}
entry = entry -> Next;
}
return hNew;
}
// Get a pointer to the linked list
const cmsDICTentry* CMSEXPORT cmsDictGetEntryList(cmsHANDLE hDict)
{
_cmsDICT* dict = (_cmsDICT*) hDict;
if (dict == NULL) return NULL;
return dict ->head;
}
// Helper For external languages
const cmsDICTentry* CMSEXPORT cmsDictNextEntry(const cmsDICTentry* e)
{
if (e == NULL) return NULL;
return e ->Next;
}
jni/lcms2-2.2/src/cmsopt.c
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//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2010 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
//
#include "lcms2_internal.h"
// inter PCS conversions XYZ <-> CIE L* a* b*
/*
CIE 15:2004 CIELab is defined as:
L* = 116*f(Y/Yn) - 16 0 <= L* <= 100
a* = 500*[f(X/Xn) - f(Y/Yn)]
b* = 200*[f(Y/Yn) - f(Z/Zn)]
and
f(t) = t^(1/3) 1 >= t > (24/116)^3
(841/108)*t + (16/116) 0 <= t <= (24/116)^3
Reverse transform is:
X = Xn*[a* / 500 + (L* + 16) / 116] ^ 3 if (X/Xn) > (24/116)
= Xn*(a* / 500 + L* / 116) / 7.787 if (X/Xn) <= (24/116)
PCS in Lab2 is encoded as:
8 bit Lab PCS:
L* 0..100 into a 0..ff byte.
a* t + 128 range is -128.0 +127.0
b*
16 bit Lab PCS:
L* 0..100 into a 0..ff00 word.
a* t + 128 range is -128.0 +127.9961
b*
Interchange Space Component Actual Range Encoded Range
CIE XYZ X 0 -> 1.99997 0x0000 -> 0xffff
CIE XYZ Y 0 -> 1.99997 0x0000 -> 0xffff
CIE XYZ Z 0 -> 1.99997 0x0000 -> 0xffff
Version 2,3
-----------
CIELAB (16 bit) L* 0 -> 100.0 0x0000 -> 0xff00
CIELAB (16 bit) a* -128.0 -> +127.996 0x0000 -> 0x8000 -> 0xffff
CIELAB (16 bit) b* -128.0 -> +127.996 0x0000 -> 0x8000 -> 0xffff
Version 4
---------
CIELAB (16 bit) L* 0 -> 100.0 0x0000 -> 0xffff
CIELAB (16 bit) a* -128.0 -> +127 0x0000 -> 0x8080 -> 0xffff
CIELAB (16 bit) b* -128.0 -> +127 0x0000 -> 0x8080 -> 0xffff
*/
// Conversions
void CMSEXPORT cmsXYZ2xyY(cmsCIExyY* Dest, const cmsCIEXYZ* Source)
{
cmsFloat64Number ISum;
ISum = 1./(Source -> X + Source -> Y + Source -> Z);
Dest -> x = (Source -> X) * ISum;
Dest -> y = (Source -> Y) * ISum;
Dest -> Y = Source -> Y;
}
void CMSEXPORT cmsxyY2XYZ(cmsCIEXYZ* Dest, const cmsCIExyY* Source)
{
Dest -> X = (Source -> x / Source -> y) * Source -> Y;
Dest -> Y = Source -> Y;
Dest -> Z = ((1 - Source -> x - Source -> y) / Source -> y) * Source -> Y;
}
static
cmsFloat64Number f(cmsFloat64Number t)
{
const cmsFloat64Number Limit = (24.0/116.0) * (24.0/116.0) * (24.0/116.0);
if (t <= Limit)
return (841.0/108.0) * t + (16.0/116.0);
else
return pow(t, 1.0/3.0);
}
static
cmsFloat64Number f_1(cmsFloat64Number t)
{
const cmsFloat64Number Limit = (24.0/116.0);
if (t <= Limit) {
return (108.0/841.0) * (t - (16.0/116.0));
}
return t * t * t;
}
// Standard XYZ to Lab. it can handle negative XZY numbers in some cases
void CMSEXPORT cmsXYZ2Lab(const cmsCIEXYZ* WhitePoint, cmsCIELab* Lab, const cmsCIEXYZ* xyz)
{
cmsFloat64Number fx, fy, fz;
if (WhitePoint == NULL)
WhitePoint = cmsD50_XYZ();
fx = f(xyz->X / WhitePoint->X);
fy = f(xyz->Y / WhitePoint->Y);
fz = f(xyz->Z / WhitePoint->Z);
Lab->L = 116.0*fy - 16.0;
Lab->a = 500.0*(fx - fy);
Lab->b = 200.0*(fy - fz);
}
// Standard XYZ to Lab. It can return negative XYZ in some cases
void CMSEXPORT cmsLab2XYZ(const cmsCIEXYZ* WhitePoint, cmsCIEXYZ* xyz, const cmsCIELab* Lab)
{
cmsFloat64Number x, y, z;
if (WhitePoint == NULL)
WhitePoint = cmsD50_XYZ();
y = (Lab-> L + 16.0) / 116.0;
x = y + 0.002 * Lab -> a;
z = y - 0.005 * Lab -> b;
xyz -> X = f_1(x) * WhitePoint -> X;
xyz -> Y = f_1(y) * WhitePoint -> Y;
xyz -> Z = f_1(z) * WhitePoint -> Z;
}
static
cmsFloat64Number L2float2(cmsUInt16Number v)
{
return (cmsFloat64Number) v / 652.800;
}
// the a/b part
static
cmsFloat64Number ab2float2(cmsUInt16Number v)
{
return ((cmsFloat64Number) v / 256.0) - 128.0;
}
static
cmsUInt16Number L2Fix2(cmsFloat64Number L)
{
return _cmsQuickSaturateWord(L * 652.8);
}
static
cmsUInt16Number ab2Fix2(cmsFloat64Number ab)
{
return _cmsQuickSaturateWord((ab + 128.0) * 256.0);
}
static
cmsFloat64Number L2float4(cmsUInt16Number v)
{
return (cmsFloat64Number) v / 655.35;
}
// the a/b part
static
cmsFloat64Number ab2float4(cmsUInt16Number v)
{
return ((cmsFloat64Number) v / 257.0) - 128.0;
}
void CMSEXPORT cmsLabEncoded2FloatV2(cmsCIELab* Lab, const cmsUInt16Number wLab[3])
{
Lab->L = L2float2(wLab[0]);
Lab->a = ab2float2(wLab[1]);
Lab->b = ab2float2(wLab[2]);
}
void CMSEXPORT cmsLabEncoded2Float(cmsCIELab* Lab, const cmsUInt16Number wLab[3])
{
Lab->L = L2float4(wLab[0]);
Lab->a = ab2float4(wLab[1]);
Lab->b = ab2float4(wLab[2]);
}
static
cmsFloat64Number Clamp_L_doubleV2(cmsFloat64Number L)
{
const cmsFloat64Number L_max = (cmsFloat64Number) (0xFFFF * 100.0) / 0xFF00;
if (L < 0) L = 0;
if (L > L_max) L = L_max;
return L;
}
static
cmsFloat64Number Clamp_ab_doubleV2(cmsFloat64Number ab)
{
if (ab < MIN_ENCODEABLE_ab2) ab = MIN_ENCODEABLE_ab2;
if (ab > MAX_ENCODEABLE_ab2) ab = MAX_ENCODEABLE_ab2;
return ab;
}
void CMSEXPORT cmsFloat2LabEncodedV2(cmsUInt16Number wLab[3], const cmsCIELab* fLab)
{
cmsCIELab Lab;
Lab.L = Clamp_L_doubleV2(fLab ->L);
Lab.a = Clamp_ab_doubleV2(fLab ->a);
Lab.b = Clamp_ab_doubleV2(fLab ->b);
wLab[0] = L2Fix2(Lab.L);
wLab[1] = ab2Fix2(Lab.a);
wLab[2] = ab2Fix2(Lab.b);
}
static
cmsFloat64Number Clamp_L_doubleV4(cmsFloat64Number L)
{
if (L < 0) L = 0;
if (L > 100.0) L = 100.0;
return L;
}
static
cmsFloat64Number Clamp_ab_doubleV4(cmsFloat64Number ab)
{
if (ab < MIN_ENCODEABLE_ab4) ab = MIN_ENCODEABLE_ab4;
if (ab > MAX_ENCODEABLE_ab4) ab = MAX_ENCODEABLE_ab4;
return ab;
}
static
cmsUInt16Number L2Fix4(cmsFloat64Number L)
{
return _cmsQuickSaturateWord(L * 655.35);
}
static
cmsUInt16Number ab2Fix4(cmsFloat64Number ab)
{
return _cmsQuickSaturateWord((ab + 128.0) * 257.0);
}
void CMSEXPORT cmsFloat2LabEncoded(cmsUInt16Number wLab[3], const cmsCIELab* fLab)
{
cmsCIELab Lab;
Lab.L = Clamp_L_doubleV4(fLab ->L);
Lab.a = Clamp_ab_doubleV4(fLab ->a);
Lab.b = Clamp_ab_doubleV4(fLab ->b);
wLab[0] = L2Fix4(Lab.L);
wLab[1] = ab2Fix4(Lab.a);
wLab[2] = ab2Fix4(Lab.b);
}
// Auxiliar: convert to Radians
static
cmsFloat64Number RADIANS(cmsFloat64Number deg)
{
return (deg * M_PI) / 180.;
}
// Auxiliar: atan2 but operating in degrees and returning 0 if a==b==0
static
cmsFloat64Number atan2deg(cmsFloat64Number a, cmsFloat64Number b)
{
cmsFloat64Number h;
if (a == 0 && b == 0)
h = 0;
else
h = atan2(a, b);
h *= (180. / M_PI);
while (h > 360.)
h -= 360.;
while ( h < 0)
h += 360.;
return h;
}
// Auxiliar: Square
static
cmsFloat64Number Sqr(cmsFloat64Number v)
{
return v * v;
}
// From cylindrical coordinates. No check is performed, then negative values are allowed
void CMSEXPORT cmsLab2LCh(cmsCIELCh* LCh, const cmsCIELab* Lab)
{
LCh -> L = Lab -> L;
LCh -> C = pow(Sqr(Lab ->a) + Sqr(Lab ->b), 0.5);
LCh -> h = atan2deg(Lab ->b, Lab ->a);
}
// To cylindrical coordinates. No check is performed, then negative values are allowed
void CMSEXPORT cmsLCh2Lab(cmsCIELab* Lab, const cmsCIELCh* LCh)
{
cmsFloat64Number h = (LCh -> h * M_PI) / 180.0;
Lab -> L = LCh -> L;
Lab -> a = LCh -> C * cos(h);
Lab -> b = LCh -> C * sin(h);
}
// In XYZ All 3 components are encoded using 1.15 fixed point
static
cmsUInt16Number XYZ2Fix(cmsFloat64Number d)
{
return _cmsQuickSaturateWord(d * 32768.0);
}
void CMSEXPORT cmsFloat2XYZEncoded(cmsUInt16Number XYZ[3], const cmsCIEXYZ* fXYZ)
{
cmsCIEXYZ xyz;
xyz.X = fXYZ -> X;
xyz.Y = fXYZ -> Y;
xyz.Z = fXYZ -> Z;
// Clamp to encodeable values.
if (xyz.Y <= 0) {
xyz.X = 0;
xyz.Y = 0;
xyz.Z = 0;
}
if (xyz.X > MAX_ENCODEABLE_XYZ)
xyz.X = MAX_ENCODEABLE_XYZ;
if (xyz.X < 0)
xyz.X = 0;
if (xyz.Y > MAX_ENCODEABLE_XYZ)
xyz.Y = MAX_ENCODEABLE_XYZ;
if (xyz.Y < 0)
xyz.Y = 0;
if (xyz.Z > MAX_ENCODEABLE_XYZ)
xyz.Z = MAX_ENCODEABLE_XYZ;
if (xyz.Z < 0)
xyz.Z = 0;
XYZ[0] = XYZ2Fix(xyz.X);
XYZ[1] = XYZ2Fix(xyz.Y);
XYZ[2] = XYZ2Fix(xyz.Z);
}
// To convert from Fixed 1.15 point to cmsFloat64Number
static
cmsFloat64Number XYZ2float(cmsUInt16Number v)
{
cmsS15Fixed16Number fix32;
// From 1.15 to 15.16
fix32 = v << 1;
// From fixed 15.16 to cmsFloat64Number
return _cms15Fixed16toDouble(fix32);
}
void CMSEXPORT cmsXYZEncoded2Float(cmsCIEXYZ* fXYZ, const cmsUInt16Number XYZ[3])
{
fXYZ -> X = XYZ2float(XYZ[0]);
fXYZ -> Y = XYZ2float(XYZ[1]);
fXYZ -> Z = XYZ2float(XYZ[2]);
}
// Returns dE on two Lab values
cmsFloat64Number CMSEXPORT cmsDeltaE(const cmsCIELab* Lab1, const cmsCIELab* Lab2)
{
cmsFloat64Number dL, da, db;
dL = fabs(Lab1 -> L - Lab2 -> L);
da = fabs(Lab1 -> a - Lab2 -> a);
db = fabs(Lab1 -> b - Lab2 -> b);
return pow(Sqr(dL) + Sqr(da) + Sqr(db), 0.5);
}
// Return the CIE94 Delta E
cmsFloat64Number CMSEXPORT cmsCIE94DeltaE(const cmsCIELab* Lab1, const cmsCIELab* Lab2)
{
cmsCIELCh LCh1, LCh2;
cmsFloat64Number dE, dL, dC, dh, dhsq;
cmsFloat64Number c12, sc, sh;
dL = fabs(Lab1 ->L - Lab2 ->L);
cmsLab2LCh(&LCh1, Lab1);
cmsLab2LCh(&LCh2, Lab2);
dC = fabs(LCh1.C - LCh2.C);
dE = cmsDeltaE(Lab1, Lab2);
dhsq = Sqr(dE) - Sqr(dL) - Sqr(dC);
if (dhsq < 0)
dh = 0;
else
dh = pow(dhsq, 0.5);
c12 = sqrt(LCh1.C * LCh2.C);
sc = 1.0 + (0.048 * c12);
sh = 1.0 + (0.014 * c12);
return sqrt(Sqr(dL) + Sqr(dC) / Sqr(sc) + Sqr(dh) / Sqr(sh));
}
// Auxiliary
static
cmsFloat64Number ComputeLBFD(const cmsCIELab* Lab)
{
cmsFloat64Number yt;
if (Lab->L > 7.996969)
yt = (Sqr((Lab->L+16)/116)*((Lab->L+16)/116))*100;
else
yt = 100 * (Lab->L / 903.3);
return (54.6 * (M_LOG10E * (log(yt + 1.5))) - 9.6);
}
// bfd - gets BFD(1:1) difference between Lab1, Lab2
cmsFloat64Number CMSEXPORT cmsBFDdeltaE(const cmsCIELab* Lab1, const cmsCIELab* Lab2)
{
cmsFloat64Number lbfd1,lbfd2,AveC,Aveh,dE,deltaL,
deltaC,deltah,dc,t,g,dh,rh,rc,rt,bfd;
cmsCIELCh LCh1, LCh2;
lbfd1 = ComputeLBFD(Lab1);
lbfd2 = ComputeLBFD(Lab2);
deltaL = lbfd2 - lbfd1;
cmsLab2LCh(&LCh1, Lab1);
cmsLab2LCh(&LCh2, Lab2);
deltaC = LCh2.C - LCh1.C;
AveC = (LCh1.C+LCh2.C)/2;
Aveh = (LCh1.h+LCh2.h)/2;
dE = cmsDeltaE(Lab1, Lab2);
if (Sqr(dE)>(Sqr(Lab2->L-Lab1->L)+Sqr(deltaC)))
deltah = sqrt(Sqr(dE)-Sqr(Lab2->L-Lab1->L)-Sqr(deltaC));
else
deltah =0;
dc = 0.035 * AveC / (1 + 0.00365 * AveC)+0.521;
g = sqrt(Sqr(Sqr(AveC))/(Sqr(Sqr(AveC))+14000));
t = 0.627+(0.055*cos((Aveh-254)/(180/M_PI))-
0.040*cos((2*Aveh-136)/(180/M_PI))+
0.070*cos((3*Aveh-31)/(180/M_PI))+
0.049*cos((4*Aveh+114)/(180/M_PI))-
0.015*cos((5*Aveh-103)/(180/M_PI)));
dh = dc*(g*t+1-g);
rh = -0.260*cos((Aveh-308)/(180/M_PI))-
0.379*cos((2*Aveh-160)/(180/M_PI))-
0.636*cos((3*Aveh+254)/(180/M_PI))+
0.226*cos((4*Aveh+140)/(180/M_PI))-
0.194*cos((5*Aveh+280)/(180/M_PI));
rc = sqrt((AveC*AveC*AveC*AveC*AveC*AveC)/((AveC*AveC*AveC*AveC*AveC*AveC)+70000000));
rt = rh*rc;
bfd = sqrt(Sqr(deltaL)+Sqr(deltaC/dc)+Sqr(deltah/dh)+(rt*(deltaC/dc)*(deltah/dh)));
return bfd;
}
// cmc - CMC(l:c) difference between Lab1, Lab2
cmsFloat64Number CMSEXPORT cmsCMCdeltaE(const cmsCIELab* Lab1, const cmsCIELab* Lab2, cmsFloat64Number l, cmsFloat64Number c)
{
cmsFloat64Number dE,dL,dC,dh,sl,sc,sh,t,f,cmc;
cmsCIELCh LCh1, LCh2;
if (Lab1 ->L == 0 && Lab2 ->L == 0) return 0;
cmsLab2LCh(&LCh1, Lab1);
cmsLab2LCh(&LCh2, Lab2);
dL = Lab2->L-Lab1->L;
dC = LCh2.C-LCh1.C;
dE = cmsDeltaE(Lab1, Lab2);
if (Sqr(dE)>(Sqr(dL)+Sqr(dC)))
dh = sqrt(Sqr(dE)-Sqr(dL)-Sqr(dC));
else
dh =0;
if ((LCh1.h > 164) && (LCh1.h < 345))
t = 0.56 + fabs(0.2 * cos(((LCh1.h + 168)/(180/M_PI))));
else
t = 0.36 + fabs(0.4 * cos(((LCh1.h + 35 )/(180/M_PI))));
sc = 0.0638 * LCh1.C / (1 + 0.0131 * LCh1.C) + 0.638;
sl = 0.040975 * Lab1->L /(1 + 0.01765 * Lab1->L);
if (Lab1->L<16)
sl = 0.511;
f = sqrt((LCh1.C * LCh1.C * LCh1.C * LCh1.C)/((LCh1.C * LCh1.C * LCh1.C * LCh1.C)+1900));
sh = sc*(t*f+1-f);
cmc = sqrt(Sqr(dL/(l*sl))+Sqr(dC/(c*sc))+Sqr(dh/sh));
return cmc;
}
// dE2000 The weightings KL, KC and KH can be modified to reflect the relative
// importance of lightness, chroma and hue in different industrial applications
cmsFloat64Number CMSEXPORT cmsCIE2000DeltaE(const cmsCIELab* Lab1, const cmsCIELab* Lab2,
cmsFloat64Number Kl, cmsFloat64Number Kc, cmsFloat64Number Kh)
{
cmsFloat64Number L1 = Lab1->L;
cmsFloat64Number a1 = Lab1->a;
cmsFloat64Number b1 = Lab1->b;
cmsFloat64Number C = sqrt( Sqr(a1) + Sqr(b1) );
cmsFloat64Number Ls = Lab2 ->L;
cmsFloat64Number as = Lab2 ->a;
cmsFloat64Number bs = Lab2 ->b;
cmsFloat64Number Cs = sqrt( Sqr(as) + Sqr(bs) );
cmsFloat64Number G = 0.5 * ( 1 - sqrt(pow((C + Cs) / 2 , 7.0) / (pow((C + Cs) / 2, 7.0) + pow(25.0, 7.0) ) ));
cmsFloat64Number a_p = (1 + G ) * a1;
cmsFloat64Number b_p = b1;
cmsFloat64Number C_p = sqrt( Sqr(a_p) + Sqr(b_p));
cmsFloat64Number h_p = atan2deg(b_p, a_p);
cmsFloat64Number a_ps = (1 + G) * as;
cmsFloat64Number b_ps = bs;
cmsFloat64Number C_ps = sqrt(Sqr(a_ps) + Sqr(b_ps));
cmsFloat64Number h_ps = atan2deg(b_ps, a_ps);
cmsFloat64Number meanC_p =(C_p + C_ps) / 2;
cmsFloat64Number hps_plus_hp = h_ps + h_p;
cmsFloat64Number hps_minus_hp = h_ps - h_p;
cmsFloat64Number meanh_p = fabs(hps_minus_hp) <= 180.000001 ? (hps_plus_hp)/2 :
(hps_plus_hp) < 360 ? (hps_plus_hp + 360)/2 :
(hps_plus_hp - 360)/2;
cmsFloat64Number delta_h = (hps_minus_hp) <= -180.000001 ? (hps_minus_hp + 360) :
(hps_minus_hp) > 180 ? (hps_minus_hp - 360) :
(hps_minus_hp);
cmsFloat64Number delta_L = (Ls - L1);
cmsFloat64Number delta_C = (C_ps - C_p );
cmsFloat64Number delta_H =2 * sqrt(C_ps*C_p) * sin(RADIANS(delta_h) / 2);
cmsFloat64Number T = 1 - 0.17 * cos(RADIANS(meanh_p-30))
+ 0.24 * cos(RADIANS(2*meanh_p))
+ 0.32 * cos(RADIANS(3*meanh_p + 6))
- 0.2 * cos(RADIANS(4*meanh_p - 63));
cmsFloat64Number Sl = 1 + (0.015 * Sqr((Ls + L1) /2- 50) )/ sqrt(20 + Sqr( (Ls+L1)/2 - 50) );
cmsFloat64Number Sc = 1 + 0.045 * (C_p + C_ps)/2;
cmsFloat64Number Sh = 1 + 0.015 * ((C_ps + C_p)/2) * T;
cmsFloat64Number delta_ro = 30 * exp( -Sqr(((meanh_p - 275 ) / 25)));
cmsFloat64Number Rc = 2 * sqrt(( pow(meanC_p, 7.0) )/( pow(meanC_p, 7.0) + pow(25.0, 7.0)));
cmsFloat64Number Rt = -sin(2 * RADIANS(delta_ro)) * Rc;
cmsFloat64Number deltaE00 = sqrt( Sqr(delta_L /(Sl * Kl)) +
Sqr(delta_C/(Sc * Kc)) +
Sqr(delta_H/(Sh * Kh)) +
Rt*(delta_C/(Sc * Kc)) * (delta_H / (Sh * Kh)));
return deltaE00;
}
// This function returns a number of gridpoints to be used as LUT table. It assumes same number
// of gripdpoints in all dimensions. Flags may override the choice.
int _cmsReasonableGridpointsByColorspace(cmsColorSpaceSignature Colorspace, cmsUInt32Number dwFlags)
{
int nChannels;
// Already specified?
if (dwFlags & 0x00FF0000) {
// Yes, grab'em
return (dwFlags >> 16) & 0xFF;
}
nChannels = cmsChannelsOf(Colorspace);
// HighResPrecalc is maximum resolution
if (dwFlags & cmsFLAGS_HIGHRESPRECALC) {
if (nChannels > 4)
return 7; // 7 for Hifi
if (nChannels == 4) // 23 for CMYK
return 23;
return 49; // 49 for RGB and others
}
// LowResPrecal is lower resolution
if (dwFlags & cmsFLAGS_LOWRESPRECALC) {
if (nChannels > 4)
return 6; // 6 for more than 4 channels
if (nChannels == 1)
return 33; // For monochrome
return 17; // 17 for remaining
}
// Default values
if (nChannels > 4)
return 7; // 7 for Hifi
if (nChannels == 4)
return 17; // 17 for CMYK
return 33; // 33 for RGB
}
cmsBool _cmsEndPointsBySpace(cmsColorSpaceSignature Space,
cmsUInt16Number **White,
cmsUInt16Number **Black,
cmsUInt32Number *nOutputs)
{
// Only most common spaces
static cmsUInt16Number RGBblack[4] = { 0, 0, 0 };
static cmsUInt16Number RGBwhite[4] = { 0xffff, 0xffff, 0xffff };
static cmsUInt16Number CMYKblack[4] = { 0xffff, 0xffff, 0xffff, 0xffff }; // 400% of ink
static cmsUInt16Number CMYKwhite[4] = { 0, 0, 0, 0 };
static cmsUInt16Number LABblack[4] = { 0, 0x8080, 0x8080 }; // V4 Lab encoding
static cmsUInt16Number LABwhite[4] = { 0xFFFF, 0x8080, 0x8080 };
static cmsUInt16Number CMYblack[4] = { 0xffff, 0xffff, 0xffff };
static cmsUInt16Number CMYwhite[4] = { 0, 0, 0 };
static cmsUInt16Number Grayblack[4] = { 0 };
static cmsUInt16Number GrayWhite[4] = { 0xffff };
switch (Space) {
case cmsSigGrayData: if (White) *White = GrayWhite;
if (Black) *Black = Grayblack;
if (nOutputs) *nOutputs = 1;
return TRUE;
case cmsSigRgbData: if (White) *White = RGBwhite;
if (Black) *Black = RGBblack;
if (nOutputs) *nOutputs = 3;
return TRUE;
case cmsSigLabData: if (White) *White = LABwhite;
if (Black) *Black = LABblack;
if (nOutputs) *nOutputs = 3;
return TRUE;
case cmsSigCmykData: if (White) *White = CMYKwhite;
if (Black) *Black = CMYKblack;
if (nOutputs) *nOutputs = 4;
return TRUE;
case cmsSigCmyData: if (White) *White = CMYwhite;
if (Black) *Black = CMYblack;
if (nOutputs) *nOutputs = 3;
return TRUE;
default:;
}
return FALSE;
}
// Several utilities -------------------------------------------------------
// Translate from our colorspace to ICC representation
cmsColorSpaceSignature CMSEXPORT _cmsICCcolorSpace(int OurNotation)
{
switch (OurNotation) {
case 1:
case PT_GRAY: return cmsSigGrayData;
case 2:
case PT_RGB: return cmsSigRgbData;
case PT_CMY: return cmsSigCmyData;
case PT_CMYK: return cmsSigCmykData;
case PT_YCbCr:return cmsSigYCbCrData;
case PT_YUV: return cmsSigLuvData;
case PT_XYZ: return cmsSigXYZData;
case PT_LabV2:
case PT_Lab: return cmsSigLabData;
case PT_YUVK: return cmsSigLuvKData;
case PT_HSV: return cmsSigHsvData;
case PT_HLS: return cmsSigHlsData;
case PT_Yxy: return cmsSigYxyData;
case PT_MCH1: return cmsSigMCH1Data;
case PT_MCH2: return cmsSigMCH2Data;
case PT_MCH3: return cmsSigMCH3Data;
case PT_MCH4: return cmsSigMCH4Data;
case PT_MCH5: return cmsSigMCH5Data;
case PT_MCH6: return cmsSigMCH6Data;
case PT_MCH7: return cmsSigMCH7Data;
case PT_MCH8: return cmsSigMCH8Data;
case PT_MCH9: return cmsSigMCH9Data;
case PT_MCH10: return cmsSigMCHAData;
case PT_MCH11: return cmsSigMCHBData;
case PT_MCH12: return cmsSigMCHCData;
case PT_MCH13: return cmsSigMCHDData;
case PT_MCH14: return cmsSigMCHEData;
case PT_MCH15: return cmsSigMCHFData;
default: return (cmsColorSpaceSignature) (-1);
}
}
int CMSEXPORT _cmsLCMScolorSpace(cmsColorSpaceSignature ProfileSpace)
{
switch (ProfileSpace) {
case cmsSigGrayData: return PT_GRAY;
case cmsSigRgbData: return PT_RGB;
case cmsSigCmyData: return PT_CMY;
case cmsSigCmykData: return PT_CMYK;
case cmsSigYCbCrData:return PT_YCbCr;
case cmsSigLuvData: return PT_YUV;
case cmsSigXYZData: return PT_XYZ;
case cmsSigLabData: return PT_Lab;
case cmsSigLuvKData: return PT_YUVK;
case cmsSigHsvData: return PT_HSV;
case cmsSigHlsData: return PT_HLS;
case cmsSigYxyData: return PT_Yxy;
case cmsSig1colorData:
case cmsSigMCH1Data: return PT_MCH1;
case cmsSig2colorData:
case cmsSigMCH2Data: return PT_MCH2;
case cmsSig3colorData:
case cmsSigMCH3Data: return PT_MCH3;
case cmsSig4colorData:
case cmsSigMCH4Data: return PT_MCH4;
case cmsSig5colorData:
case cmsSigMCH5Data: return PT_MCH5;
case cmsSig6colorData:
case cmsSigMCH6Data: return PT_MCH6;
case cmsSigMCH7Data:
case cmsSig7colorData:return PT_MCH7;
case cmsSigMCH8Data:
case cmsSig8colorData:return PT_MCH8;
case cmsSigMCH9Data:
case cmsSig9colorData:return PT_MCH9;
case cmsSigMCHAData:
case cmsSig10colorData:return PT_MCH10;
case cmsSigMCHBData:
case cmsSig11colorData:return PT_MCH11;
case cmsSigMCHCData:
case cmsSig12colorData:return PT_MCH12;
case cmsSigMCHDData:
case cmsSig13colorData:return PT_MCH13;
case cmsSigMCHEData:
case cmsSig14colorData:return PT_MCH14;
case cmsSigMCHFData:
case cmsSig15colorData:return PT_MCH15;
default: return (cmsColorSpaceSignature) (-1);
}
}
cmsUInt32Number CMSEXPORT cmsChannelsOf(cmsColorSpaceSignature ColorSpace)
{
switch (ColorSpace) {
case cmsSigGrayData: return 1;
case cmsSig2colorData: return 2;
case cmsSigXYZData:
case cmsSigLabData:
case cmsSigLuvData:
case cmsSigYCbCrData:
case cmsSigYxyData:
case cmsSigRgbData:
case cmsSigHsvData:
case cmsSigHlsData:
case cmsSigCmyData:
case cmsSig3colorData: return 3;
case cmsSigLuvKData:
case cmsSigCmykData:
case cmsSig4colorData: return 4;
case cmsSigMCH5Data:
case cmsSig5colorData: return 5;
case cmsSigMCH6Data:
case cmsSig6colorData: return 6;
case cmsSigMCH7Data:
case cmsSig7colorData: return 7;
case cmsSigMCH8Data:
case cmsSig8colorData: return 8;
case cmsSigMCH9Data:
case cmsSig9colorData: return 9;
case cmsSigMCHAData:
case cmsSig10colorData: return 10;
case cmsSigMCHBData:
case cmsSig11colorData: return 11;
case cmsSigMCHCData:
case cmsSig12colorData: return 12;
case cmsSigMCHDData:
case cmsSig13colorData: return 13;
case cmsSigMCHEData:
case cmsSig14colorData: return 14;
case cmsSigMCHFData:
case cmsSig15colorData: return 15;
default: return 3;
}
}
jni/lcms2-2.2/src/cmsplugin.c
+612
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@@ -0,0 +1,612 @@
//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2010 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
//
#include "lcms2_internal.h"
// ----------------------------------------------------------------------------------
// Encoding & Decoding support functions
// ----------------------------------------------------------------------------------
// Little-Endian to Big-Endian
// Adjust a word value after being readed/ before being written from/to an ICC profile
cmsUInt16Number CMSEXPORT _cmsAdjustEndianess16(cmsUInt16Number Word)
{
#ifndef CMS_USE_BIG_ENDIAN
cmsUInt8Number* pByte = (cmsUInt8Number*) &Word;
cmsUInt8Number tmp;
tmp = pByte[0];
pByte[0] = pByte[1];
pByte[1] = tmp;
#endif
return Word;
}
// Transports to properly encoded values - note that icc profiles does use big endian notation.
// 1 2 3 4
// 4 3 2 1
cmsUInt32Number CMSEXPORT _cmsAdjustEndianess32(cmsUInt32Number DWord)
{
#ifndef CMS_USE_BIG_ENDIAN
cmsUInt8Number* pByte = (cmsUInt8Number*) &DWord;
cmsUInt8Number temp1;
cmsUInt8Number temp2;
temp1 = *pByte++;
temp2 = *pByte++;
*(pByte-1) = *pByte;
*pByte++ = temp2;
*(pByte-3) = *pByte;
*pByte = temp1;
#endif
return DWord;
}
// 1 2 3 4 5 6 7 8
// 8 7 6 5 4 3 2 1
void CMSEXPORT _cmsAdjustEndianess64(cmsUInt64Number* Result, cmsUInt64Number QWord)
{
#ifndef CMS_USE_BIG_ENDIAN
cmsUInt8Number* pIn = (cmsUInt8Number*) &QWord;
cmsUInt8Number* pOut = (cmsUInt8Number*) Result;
_cmsAssert(Result != NULL);
pOut[7] = pIn[0];
pOut[6] = pIn[1];
pOut[5] = pIn[2];
pOut[4] = pIn[3];
pOut[3] = pIn[4];
pOut[2] = pIn[5];
pOut[1] = pIn[6];
pOut[0] = pIn[7];
#else
_cmsAssert(Result != NULL);
*Result = QWord;
#endif
}
// Auxiliar -- read 8, 16 and 32-bit numbers
cmsBool CMSEXPORT _cmsReadUInt8Number(cmsIOHANDLER* io, cmsUInt8Number* n)
{
cmsUInt8Number tmp;
_cmsAssert(io != NULL);
if (io -> Read(io, &tmp, sizeof(cmsUInt8Number), 1) != 1)
return FALSE;
if (n != NULL) *n = tmp;
return TRUE;
}
cmsBool CMSEXPORT _cmsReadUInt16Number(cmsIOHANDLER* io, cmsUInt16Number* n)
{
cmsUInt16Number tmp;
_cmsAssert(io != NULL);
if (io -> Read(io, &tmp, sizeof(cmsUInt16Number), 1) != 1)
return FALSE;
if (n != NULL) *n = _cmsAdjustEndianess16(tmp);
return TRUE;
}
cmsBool CMSEXPORT _cmsReadUInt16Array(cmsIOHANDLER* io, cmsUInt32Number n, cmsUInt16Number* Array)
{
cmsUInt32Number i;
_cmsAssert(io != NULL);
for (i=0; i < n; i++) {
if (Array != NULL) {
if (!_cmsReadUInt16Number(io, Array + i)) return FALSE;
}
else {
if (!_cmsReadUInt16Number(io, NULL)) return FALSE;
}
}
return TRUE;
}
cmsBool CMSEXPORT _cmsReadUInt32Number(cmsIOHANDLER* io, cmsUInt32Number* n)
{
cmsUInt32Number tmp;
_cmsAssert(io != NULL);
if (io -> Read(io, &tmp, sizeof(cmsUInt32Number), 1) != 1)
return FALSE;
if (n != NULL) *n = _cmsAdjustEndianess32(tmp);
return TRUE;
}
cmsBool CMSEXPORT _cmsReadFloat32Number(cmsIOHANDLER* io, cmsFloat32Number* n)
{
cmsUInt32Number tmp;
_cmsAssert(io != NULL);
if (io -> Read(io, &tmp, sizeof(cmsFloat32Number), 1) != 1)
return FALSE;
if (n != NULL) {
tmp = _cmsAdjustEndianess32(tmp);
*n = *(cmsFloat32Number*) &tmp;
}
return TRUE;
}
cmsBool CMSEXPORT _cmsReadUInt64Number(cmsIOHANDLER* io, cmsUInt64Number* n)
{
cmsUInt64Number tmp;
_cmsAssert(io != NULL);
if (io -> Read(io, &tmp, sizeof(cmsUInt64Number), 1) != 1)
return FALSE;
if (n != NULL) _cmsAdjustEndianess64(n, tmp);
return TRUE;
}
cmsBool CMSEXPORT _cmsRead15Fixed16Number(cmsIOHANDLER* io, cmsFloat64Number* n)
{
cmsUInt32Number tmp;
_cmsAssert(io != NULL);
if (io -> Read(io, &tmp, sizeof(cmsUInt32Number), 1) != 1)
return FALSE;
if (n != NULL) {
*n = _cms15Fixed16toDouble(_cmsAdjustEndianess32(tmp));
}
return TRUE;
}
// Jun-21-2000: Some profiles (those that comes with W2K) comes
// with the media white (media black?) x 100. Add a sanity check
static
void NormalizeXYZ(cmsCIEXYZ* Dest)
{
while (Dest -> X > 2. &&
Dest -> Y > 2. &&
Dest -> Z > 2.) {
Dest -> X /= 10.;
Dest -> Y /= 10.;
Dest -> Z /= 10.;
}
}
cmsBool CMSEXPORT _cmsReadXYZNumber(cmsIOHANDLER* io, cmsCIEXYZ* XYZ)
{
cmsEncodedXYZNumber xyz;
_cmsAssert(io != NULL);
if (io ->Read(io, &xyz, sizeof(cmsEncodedXYZNumber), 1) != 1) return FALSE;
if (XYZ != NULL) {
XYZ->X = _cms15Fixed16toDouble(_cmsAdjustEndianess32(xyz.X));
XYZ->Y = _cms15Fixed16toDouble(_cmsAdjustEndianess32(xyz.Y));
XYZ->Z = _cms15Fixed16toDouble(_cmsAdjustEndianess32(xyz.Z));
NormalizeXYZ(XYZ);
}
return TRUE;
}
cmsBool CMSEXPORT _cmsWriteUInt8Number(cmsIOHANDLER* io, cmsUInt8Number n)
{
_cmsAssert(io != NULL);
if (io -> Write(io, sizeof(cmsUInt8Number), &n) != 1)
return FALSE;
return TRUE;
}
cmsBool CMSEXPORT _cmsWriteUInt16Number(cmsIOHANDLER* io, cmsUInt16Number n)
{
cmsUInt16Number tmp;
_cmsAssert(io != NULL);
tmp = _cmsAdjustEndianess16(n);
if (io -> Write(io, sizeof(cmsUInt16Number), &tmp) != 1)
return FALSE;
return TRUE;
}
cmsBool CMSEXPORT _cmsWriteUInt16Array(cmsIOHANDLER* io, cmsUInt32Number n, const cmsUInt16Number* Array)
{
cmsUInt32Number i;
_cmsAssert(io != NULL);
_cmsAssert(Array != NULL);
for (i=0; i < n; i++) {
if (!_cmsWriteUInt16Number(io, Array[i])) return FALSE;
}
return TRUE;
}
cmsBool CMSEXPORT _cmsWriteUInt32Number(cmsIOHANDLER* io, cmsUInt32Number n)
{
cmsUInt32Number tmp;
_cmsAssert(io != NULL);
tmp = _cmsAdjustEndianess32(n);
if (io -> Write(io, sizeof(cmsUInt32Number), &tmp) != 1)
return FALSE;
return TRUE;
}
cmsBool CMSEXPORT _cmsWriteFloat32Number(cmsIOHANDLER* io, cmsFloat32Number n)
{
cmsUInt32Number tmp;
_cmsAssert(io != NULL);
tmp = *(cmsUInt32Number*) &n;
tmp = _cmsAdjustEndianess32(tmp);
if (io -> Write(io, sizeof(cmsUInt32Number), &tmp) != 1)
return FALSE;
return TRUE;
}
cmsBool CMSEXPORT _cmsWriteUInt64Number(cmsIOHANDLER* io, cmsUInt64Number n)
{
cmsUInt64Number tmp;
_cmsAssert(io != NULL);
_cmsAdjustEndianess64(&tmp, n);
if (io -> Write(io, sizeof(cmsUInt64Number), &tmp) != 1)
return FALSE;
return TRUE;
}
cmsBool CMSEXPORT _cmsWrite15Fixed16Number(cmsIOHANDLER* io, cmsFloat64Number n)
{
cmsUInt32Number tmp;
_cmsAssert(io != NULL);
tmp = _cmsAdjustEndianess32(_cmsDoubleTo15Fixed16(n));
if (io -> Write(io, sizeof(cmsUInt32Number), &tmp) != 1)
return FALSE;
return TRUE;
}
cmsBool CMSEXPORT _cmsWriteXYZNumber(cmsIOHANDLER* io, const cmsCIEXYZ* XYZ)
{
cmsEncodedXYZNumber xyz;
_cmsAssert(io != NULL);
_cmsAssert(XYZ != NULL);
xyz.X = _cmsAdjustEndianess32(_cmsDoubleTo15Fixed16(XYZ->X));
xyz.Y = _cmsAdjustEndianess32(_cmsDoubleTo15Fixed16(XYZ->Y));
xyz.Z = _cmsAdjustEndianess32(_cmsDoubleTo15Fixed16(XYZ->Z));
return io -> Write(io, sizeof(cmsEncodedXYZNumber), &xyz);
}
// from Fixed point 8.8 to double
cmsFloat64Number CMSEXPORT _cms8Fixed8toDouble(cmsUInt16Number fixed8)
{
cmsUInt8Number msb, lsb;
lsb = (cmsUInt8Number) (fixed8 & 0xff);
msb = (cmsUInt8Number) (((cmsUInt16Number) fixed8 >> 8) & 0xff);
return (cmsFloat64Number) ((cmsFloat64Number) msb + ((cmsFloat64Number) lsb / 256.0));
}
cmsUInt16Number CMSEXPORT _cmsDoubleTo8Fixed8(cmsFloat64Number val)
{
cmsS15Fixed16Number GammaFixed32 = _cmsDoubleTo15Fixed16(val);
return (cmsUInt16Number) ((GammaFixed32 >> 8) & 0xFFFF);
}
// from Fixed point 15.16 to double
cmsFloat64Number CMSEXPORT _cms15Fixed16toDouble(cmsS15Fixed16Number fix32)
{
cmsFloat64Number floater, sign, mid;
int Whole, FracPart;
sign = (fix32 < 0 ? -1 : 1);
fix32 = abs(fix32);
Whole = (cmsUInt16Number)(fix32 >> 16) & 0xffff;
FracPart = (cmsUInt16Number)(fix32 & 0xffff);
mid = (cmsFloat64Number) FracPart / 65536.0;
floater = (cmsFloat64Number) Whole + mid;
return sign * floater;
}
// from double to Fixed point 15.16
cmsS15Fixed16Number CMSEXPORT _cmsDoubleTo15Fixed16(cmsFloat64Number v)
{
return ((cmsS15Fixed16Number) floor((v)*65536.0 + 0.5));
}
// Date/Time functions
void CMSEXPORT _cmsDecodeDateTimeNumber(const cmsDateTimeNumber *Source, struct tm *Dest)
{
_cmsAssert(Dest != NULL);
_cmsAssert(Source != NULL);
Dest->tm_sec = _cmsAdjustEndianess16(Source->seconds);
Dest->tm_min = _cmsAdjustEndianess16(Source->minutes);
Dest->tm_hour = _cmsAdjustEndianess16(Source->hours);
Dest->tm_mday = _cmsAdjustEndianess16(Source->day);
Dest->tm_mon = _cmsAdjustEndianess16(Source->month) - 1;
Dest->tm_year = _cmsAdjustEndianess16(Source->year) - 1900;
Dest->tm_wday = -1;
Dest->tm_yday = -1;
Dest->tm_isdst = 0;
}
void CMSEXPORT _cmsEncodeDateTimeNumber(cmsDateTimeNumber *Dest, const struct tm *Source)
{
_cmsAssert(Dest != NULL);
_cmsAssert(Source != NULL);
Dest->seconds = _cmsAdjustEndianess16((cmsUInt16Number) Source->tm_sec);
Dest->minutes = _cmsAdjustEndianess16((cmsUInt16Number) Source->tm_min);
Dest->hours = _cmsAdjustEndianess16((cmsUInt16Number) Source->tm_hour);
Dest->day = _cmsAdjustEndianess16((cmsUInt16Number) Source->tm_mday);
Dest->month = _cmsAdjustEndianess16((cmsUInt16Number) (Source->tm_mon + 1));
Dest->year = _cmsAdjustEndianess16((cmsUInt16Number) (Source->tm_year + 1900));
}
// Read base and return type base
cmsTagTypeSignature CMSEXPORT _cmsReadTypeBase(cmsIOHANDLER* io)
{
_cmsTagBase Base;
_cmsAssert(io != NULL);
if (io -> Read(io, &Base, sizeof(_cmsTagBase), 1) != 1)
return (cmsTagTypeSignature) 0;
return (cmsTagTypeSignature) _cmsAdjustEndianess32(Base.sig);
}
// Setup base marker
cmsBool CMSEXPORT _cmsWriteTypeBase(cmsIOHANDLER* io, cmsTagTypeSignature sig)
{
_cmsTagBase Base;
_cmsAssert(io != NULL);
Base.sig = (cmsTagTypeSignature) _cmsAdjustEndianess32(sig);
memset(&Base.reserved, 0, sizeof(Base.reserved));
return io -> Write(io, sizeof(_cmsTagBase), &Base);
}
cmsBool CMSEXPORT _cmsReadAlignment(cmsIOHANDLER* io)
{
cmsUInt8Number Buffer[4];
cmsUInt32Number NextAligned, At;
cmsUInt32Number BytesToNextAlignedPos;
_cmsAssert(io != NULL);
At = io -> Tell(io);
NextAligned = _cmsALIGNLONG(At);
BytesToNextAlignedPos = NextAligned - At;
if (BytesToNextAlignedPos == 0) return TRUE;
if (BytesToNextAlignedPos > 4) return FALSE;
return (io ->Read(io, Buffer, BytesToNextAlignedPos, 1) == 1);
}
cmsBool CMSEXPORT _cmsWriteAlignment(cmsIOHANDLER* io)
{
cmsUInt8Number Buffer[4];
cmsUInt32Number NextAligned, At;
cmsUInt32Number BytesToNextAlignedPos;
_cmsAssert(io != NULL);
At = io -> Tell(io);
NextAligned = _cmsALIGNLONG(At);
BytesToNextAlignedPos = NextAligned - At;
if (BytesToNextAlignedPos == 0) return TRUE;
if (BytesToNextAlignedPos > 4) return FALSE;
memset(Buffer, 0, BytesToNextAlignedPos);
return io -> Write(io, BytesToNextAlignedPos, Buffer);
}
// To deal with text streams. 2K at most
cmsBool CMSEXPORT _cmsIOPrintf(cmsIOHANDLER* io, const char* frm, ...)
{
va_list args;
int len;
cmsUInt8Number Buffer[2048];
cmsBool rc;
_cmsAssert(io != NULL);
_cmsAssert(frm != NULL);
va_start(args, frm);
len = vsnprintf((char*) Buffer, 2047, frm, args);
if (len < 0) return FALSE; // Truncated, which is a fatal error for us
rc = io ->Write(io, len, Buffer);
va_end(args);
return rc;
}
// Plugin memory management -------------------------------------------------------------------------------------------------
static _cmsSubAllocator* PluginPool = NULL;
// Specialized malloc for plug-ins, that is freed upon exit.
void* _cmsPluginMalloc(cmsUInt32Number size)
{
if (PluginPool == NULL)
PluginPool = _cmsCreateSubAlloc(0, 4*1024);
return _cmsSubAlloc(PluginPool, size);
}
// Main plug-in dispatcher
cmsBool CMSEXPORT cmsPlugin(void* Plug_in)
{
cmsPluginBase* Plugin;
for (Plugin = (cmsPluginBase*) Plug_in;
Plugin != NULL;
Plugin = Plugin -> Next) {
if (Plugin -> Magic != cmsPluginMagicNumber) {
cmsSignalError(0, cmsERROR_UNKNOWN_EXTENSION, "Unrecognized plugin");
return FALSE;
}
if (Plugin ->ExpectedVersion > LCMS_VERSION) {
cmsSignalError(0, cmsERROR_UNKNOWN_EXTENSION, "plugin needs Little CMS %d, current version is %d",
Plugin ->ExpectedVersion, LCMS_VERSION);
return FALSE;
}
switch (Plugin -> Type) {
case cmsPluginMemHandlerSig:
if (!_cmsRegisterMemHandlerPlugin(Plugin)) return FALSE;
break;
case cmsPluginInterpolationSig:
if (!_cmsRegisterInterpPlugin(Plugin)) return FALSE;
break;
case cmsPluginTagTypeSig:
if (!_cmsRegisterTagTypePlugin(Plugin)) return FALSE;
break;
case cmsPluginTagSig:
if (!_cmsRegisterTagPlugin(Plugin)) return FALSE;
break;
case cmsPluginFormattersSig:
if (!_cmsRegisterFormattersPlugin(Plugin)) return FALSE;
break;
case cmsPluginRenderingIntentSig:
if (!_cmsRegisterRenderingIntentPlugin(Plugin)) return FALSE;
break;
case cmsPluginParametricCurveSig:
if (!_cmsRegisterParametricCurvesPlugin(Plugin)) return FALSE;
break;
case cmsPluginMultiProcessElementSig:
if (!_cmsRegisterMultiProcessElementPlugin(Plugin)) return FALSE;
break;
case cmsPluginOptimizationSig:
if (!_cmsRegisterOptimizationPlugin(Plugin)) return FALSE;
break;
default:
cmsSignalError(0, cmsERROR_UNKNOWN_EXTENSION, "Unrecognized plugin type '%X'", Plugin -> Type);
return FALSE;
}
}
// Keep a reference to the plug-in
return TRUE;
}
// Revert all plug-ins to default
void CMSEXPORT cmsUnregisterPlugins(void)
{
_cmsRegisterMemHandlerPlugin(NULL);
_cmsRegisterInterpPlugin(NULL);
_cmsRegisterTagTypePlugin(NULL);
_cmsRegisterTagPlugin(NULL);
_cmsRegisterFormattersPlugin(NULL);
_cmsRegisterRenderingIntentPlugin(NULL);
_cmsRegisterParametricCurvesPlugin(NULL);
_cmsRegisterMultiProcessElementPlugin(NULL);
_cmsRegisterOptimizationPlugin(NULL);
if (PluginPool != NULL)
_cmsSubAllocDestroy(PluginPool);
PluginPool = NULL;
}
jni/lcms2-2.2/src/cmsps2.c
+1600
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jni/lcms2-2.2/src/cmssamp.c
+266
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@@ -0,0 +1,266 @@
//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2010 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
//
#include "lcms2_internal.h"
// This file contains routines for resampling and LUT optimization, black point detection
// and black preservation.
// Black point detection -------------------------------------------------------------------------
// PCS -> PCS round trip transform, always uses relative intent on the device -> pcs
static
cmsHTRANSFORM CreateRoundtripXForm(cmsHPROFILE hProfile, cmsUInt32Number nIntent)
{
cmsHPROFILE hLab = cmsCreateLab4Profile(NULL);
cmsHTRANSFORM xform;
cmsBool BPC[4] = { FALSE, FALSE, FALSE, FALSE };
cmsFloat64Number States[4] = { 1.0, 1.0, 1.0, 1.0 };
cmsHPROFILE hProfiles[4];
cmsUInt32Number Intents[4];
cmsContext ContextID = cmsGetProfileContextID(hProfile);
hProfiles[0] = hLab; hProfiles[1] = hProfile; hProfiles[2] = hProfile; hProfiles[3] = hLab;
Intents[0] = INTENT_RELATIVE_COLORIMETRIC; Intents[1] = nIntent; Intents[2] = INTENT_RELATIVE_COLORIMETRIC; Intents[3] = INTENT_RELATIVE_COLORIMETRIC;
xform = cmsCreateExtendedTransform(ContextID, 4, hProfiles, BPC, Intents,
States, NULL, 0, TYPE_Lab_DBL, TYPE_Lab_DBL, cmsFLAGS_NOCACHE|cmsFLAGS_NOOPTIMIZE);
cmsCloseProfile(hLab);
return xform;
}
// Use darker colorants to obtain black point. This works in the relative colorimetric intent and
// assumes more ink results in darker colors. No ink limit is assumed.
static
cmsBool BlackPointAsDarkerColorant(cmsHPROFILE hInput,
cmsUInt32Number Intent,
cmsCIEXYZ* BlackPoint,
cmsUInt32Number dwFlags)
{
cmsUInt16Number *Black;
cmsHTRANSFORM xform;
cmsColorSpaceSignature Space;
cmsUInt32Number nChannels;
cmsUInt32Number dwFormat;
cmsHPROFILE hLab;
cmsCIELab Lab;
cmsCIEXYZ BlackXYZ;
cmsContext ContextID = cmsGetProfileContextID(hInput);
// If the profile does not support input direction, assume Black point 0
if (!cmsIsIntentSupported(hInput, Intent, LCMS_USED_AS_INPUT)) {
BlackPoint -> X = BlackPoint ->Y = BlackPoint -> Z = 0.0;
return FALSE;
}
// Create a formatter which has n channels and floating point
dwFormat = cmsFormatterForColorspaceOfProfile(hInput, 2, FALSE);
// Try to get black by using black colorant
Space = cmsGetColorSpace(hInput);
// This function returns darker colorant in 16 bits for several spaces
if (!_cmsEndPointsBySpace(Space, NULL, &Black, &nChannels)) {
BlackPoint -> X = BlackPoint ->Y = BlackPoint -> Z = 0.0;
return FALSE;
}
if (nChannels != T_CHANNELS(dwFormat)) {
BlackPoint -> X = BlackPoint ->Y = BlackPoint -> Z = 0.0;
return FALSE;
}
// Lab will be used as the output space, but lab2 will avoid recursion
hLab = cmsCreateLab2ProfileTHR(ContextID, NULL);
if (hLab == NULL) {
BlackPoint -> X = BlackPoint ->Y = BlackPoint -> Z = 0.0;
return FALSE;
}
// Create the transform
xform = cmsCreateTransformTHR(ContextID, hInput, dwFormat,
hLab, TYPE_Lab_DBL, Intent, cmsFLAGS_NOOPTIMIZE|cmsFLAGS_NOCACHE);
cmsCloseProfile(hLab);
if (xform == NULL) {
// Something went wrong. Get rid of open resources and return zero as black
BlackPoint -> X = BlackPoint ->Y = BlackPoint -> Z = 0.0;
return FALSE;
}
// Convert black to Lab
cmsDoTransform(xform, Black, &Lab, 1);
// Force it to be neutral, clip to max. L* of 50
Lab.a = Lab.b = 0;
if (Lab.L > 50) Lab.L = 50;
// Free the resources
cmsDeleteTransform(xform);
// Convert from Lab (which is now clipped) to XYZ.
cmsLab2XYZ(NULL, &BlackXYZ, &Lab);
if (BlackPoint != NULL)
*BlackPoint = BlackXYZ;
return TRUE;
cmsUNUSED_PARAMETER(dwFlags);
}
// Get a black point of output CMYK profile, discounting any ink-limiting embedded
// in the profile. For doing that, we use perceptual intent in input direction:
// Lab (0, 0, 0) -> [Perceptual] Profile -> CMYK -> [Rel. colorimetric] Profile -> Lab
static
cmsBool BlackPointUsingPerceptualBlack(cmsCIEXYZ* BlackPoint, cmsHPROFILE hProfile)
{
cmsHTRANSFORM hRoundTrip;
cmsCIELab LabIn, LabOut;
cmsCIEXYZ BlackXYZ;
// Is the intent supported by the profile?
if (!cmsIsIntentSupported(hProfile, INTENT_PERCEPTUAL, LCMS_USED_AS_INPUT)) {
BlackPoint -> X = BlackPoint ->Y = BlackPoint -> Z = 0.0;
return TRUE;
}
hRoundTrip = CreateRoundtripXForm(hProfile, INTENT_PERCEPTUAL);
if (hRoundTrip == NULL) {
BlackPoint -> X = BlackPoint ->Y = BlackPoint -> Z = 0.0;
return FALSE;
}
LabIn.L = LabIn.a = LabIn.b = 0;
cmsDoTransform(hRoundTrip, &LabIn, &LabOut, 1);
// Clip Lab to reasonable limits
if (LabOut.L > 50) LabOut.L = 50;
LabOut.a = LabOut.b = 0;
cmsDeleteTransform(hRoundTrip);
// Convert it to XYZ
cmsLab2XYZ(NULL, &BlackXYZ, &LabOut);
if (BlackPoint != NULL)
*BlackPoint = BlackXYZ;
return TRUE;
}
// This function shouldn't exist at all -- there is such quantity of broken
// profiles on black point tag, that we must somehow fix chromaticity to
// avoid huge tint when doing Black point compensation. This function does
// just that. There is a special flag for using black point tag, but turned
// off by default because it is bogus on most profiles. The detection algorithm
// involves to turn BP to neutral and to use only L component.
cmsBool CMSEXPORT cmsDetectBlackPoint(cmsCIEXYZ* BlackPoint, cmsHPROFILE hProfile, cmsUInt32Number Intent, cmsUInt32Number dwFlags)
{
// Zero for black point
if (cmsGetDeviceClass(hProfile) == cmsSigLinkClass) {
BlackPoint -> X = BlackPoint ->Y = BlackPoint -> Z = 0.0;
return FALSE;
}
// v4 + perceptual & saturation intents does have its own black point, and it is
// well specified enough to use it. Black point tag is deprecated in V4.
if ((cmsGetEncodedICCversion(hProfile) >= 0x4000000) &&
(Intent == INTENT_PERCEPTUAL || Intent == INTENT_SATURATION)) {
// Matrix shaper share MRC & perceptual intents
if (cmsIsMatrixShaper(hProfile))
return BlackPointAsDarkerColorant(hProfile, INTENT_RELATIVE_COLORIMETRIC, BlackPoint, 0);
// Get Perceptual black out of v4 profiles. That is fixed for perceptual & saturation intents
BlackPoint -> X = cmsPERCEPTUAL_BLACK_X;
BlackPoint -> Y = cmsPERCEPTUAL_BLACK_Y;
BlackPoint -> Z = cmsPERCEPTUAL_BLACK_Z;
return TRUE;
}
#ifdef CMS_USE_PROFILE_BLACK_POINT_TAG
// v2, v4 rel/abs colorimetric
if (cmsIsTag(hProfile, cmsSigMediaBlackPointTag) &&
Intent == INTENT_RELATIVE_COLORIMETRIC) {
cmsCIEXYZ *BlackPtr, BlackXYZ, UntrustedBlackPoint, TrustedBlackPoint, MediaWhite;
cmsCIELab Lab;
// If black point is specified, then use it,
BlackPtr = cmsReadTag(hProfile, cmsSigMediaBlackPointTag);
if (BlackPtr != NULL) {
BlackXYZ = *BlackPtr;
_cmsReadMediaWhitePoint(&MediaWhite, hProfile);
// Black point is absolute XYZ, so adapt to D50 to get PCS value
cmsAdaptToIlluminant(&UntrustedBlackPoint, &MediaWhite, cmsD50_XYZ(), &BlackXYZ);
// Force a=b=0 to get rid of any chroma
cmsXYZ2Lab(NULL, &Lab, &UntrustedBlackPoint);
Lab.a = Lab.b = 0;
if (Lab.L > 50) Lab.L = 50; // Clip to L* <= 50
cmsLab2XYZ(NULL, &TrustedBlackPoint, &Lab);
if (BlackPoint != NULL)
*BlackPoint = TrustedBlackPoint;
return TRUE;
}
}
#endif
// That is about v2 profiles.
// If output profile, discount ink-limiting and that's all
if (Intent == INTENT_RELATIVE_COLORIMETRIC &&
(cmsGetDeviceClass(hProfile) == cmsSigOutputClass) &&
(cmsGetColorSpace(hProfile) == cmsSigCmykData))
return BlackPointUsingPerceptualBlack(BlackPoint, hProfile);
// Nope, compute BP using current intent.
return BlackPointAsDarkerColorant(hProfile, Intent, BlackPoint, dwFlags);
}
jni/lcms2-2.2/src/cmssm.c
+734
View File
@@ -0,0 +1,734 @@
//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2011 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
//
#include "lcms2_internal.h"
// ------------------------------------------------------------------------
// Gamut boundary description by using Jan Morovic's Segment maxima method
// Many thanks to Jan for allowing me to use his algorithm.
// r = C*
// alpha = Hab
// theta = L*
#define SECTORS 16 // number of divisions in alpha and theta
// Spherical coordinates
typedef struct {
cmsFloat64Number r;
cmsFloat64Number alpha;
cmsFloat64Number theta;
} cmsSpherical;
typedef enum {
GP_EMPTY,
GP_SPECIFIED,
GP_MODELED
} GDBPointType;
typedef struct {
GDBPointType Type;
cmsSpherical p; // Keep also alpha & theta of maximum
} cmsGDBPoint;
typedef struct {
cmsContext ContextID;
cmsGDBPoint Gamut[SECTORS][SECTORS];
} cmsGDB;
// A line using the parametric form
// P = a + t*u
typedef struct {
cmsVEC3 a;
cmsVEC3 u;
} cmsLine;
// A plane using the parametric form
// Q = b + r*v + s*w
typedef struct {
cmsVEC3 b;
cmsVEC3 v;
cmsVEC3 w;
} cmsPlane;
// --------------------------------------------------------------------------------------------
// ATAN2() which always returns degree positive numbers
static
cmsFloat64Number _cmsAtan2(cmsFloat64Number y, cmsFloat64Number x)
{
cmsFloat64Number a;
// Deal with undefined case
if (x == 0.0 && y == 0.0) return 0;
a = (atan2(y, x) * 180.0) / M_PI;
while (a < 0) {
a += 360;
}
return a;
}
// Convert to spherical coordinates
static
void ToSpherical(cmsSpherical* sp, const cmsVEC3* v)
{
cmsFloat64Number L, a, b;
L = v ->n[VX];
a = v ->n[VY];
b = v ->n[VZ];
sp ->r = sqrt( L*L + a*a + b*b );
if (sp ->r == 0) {
sp ->alpha = sp ->theta = 0;
return;
}
sp ->alpha = _cmsAtan2(a, b);
sp ->theta = _cmsAtan2(sqrt(a*a + b*b), L);
}
// Convert to cartesian from spherical
static
void ToCartesian(cmsVEC3* v, const cmsSpherical* sp)
{
cmsFloat64Number sin_alpha;
cmsFloat64Number cos_alpha;
cmsFloat64Number sin_theta;
cmsFloat64Number cos_theta;
cmsFloat64Number L, a, b;
sin_alpha = sin((M_PI * sp ->alpha) / 180.0);
cos_alpha = cos((M_PI * sp ->alpha) / 180.0);
sin_theta = sin((M_PI * sp ->theta) / 180.0);
cos_theta = cos((M_PI * sp ->theta) / 180.0);
a = sp ->r * sin_theta * sin_alpha;
b = sp ->r * sin_theta * cos_alpha;
L = sp ->r * cos_theta;
v ->n[VX] = L;
v ->n[VY] = a;
v ->n[VZ] = b;
}
// Quantize sector of a spherical coordinate. Saturate 360, 180 to last sector
// The limits are the centers of each sector, so
static
void QuantizeToSector(const cmsSpherical* sp, int* alpha, int* theta)
{
*alpha = (int) floor(((sp->alpha * (SECTORS)) / 360.0) );
*theta = (int) floor(((sp->theta * (SECTORS)) / 180.0) );
if (*alpha >= SECTORS)
*alpha = SECTORS-1;
if (*theta >= SECTORS)
*theta = SECTORS-1;
}
// Line determined by 2 points
static
void LineOf2Points(cmsLine* line, cmsVEC3* a, cmsVEC3* b)
{
_cmsVEC3init(&line ->a, a ->n[VX], a ->n[VY], a ->n[VZ]);
_cmsVEC3init(&line ->u, b ->n[VX] - a ->n[VX],
b ->n[VY] - a ->n[VY],
b ->n[VZ] - a ->n[VZ]);
}
// Evaluate parametric line
static
void GetPointOfLine(cmsVEC3* p, const cmsLine* line, cmsFloat64Number t)
{
p ->n[VX] = line ->a.n[VX] + t * line->u.n[VX];
p ->n[VY] = line ->a.n[VY] + t * line->u.n[VY];
p ->n[VZ] = line ->a.n[VZ] + t * line->u.n[VZ];
}
/*
Closest point in sector line1 to sector line2 (both are defined as 0 <=t <= 1)
http://softsurfer.com/Archive/algorithm_0106/algorithm_0106.htm
Copyright 2001, softSurfer (www.softsurfer.com)
This code may be freely used and modified for any purpose
providing that this copyright notice is included with it.
SoftSurfer makes no warranty for this code, and cannot be held
liable for any real or imagined damage resulting from its use.
Users of this code must verify correctness for their application.
*/
static
cmsBool ClosestLineToLine(cmsVEC3* r, const cmsLine* line1, const cmsLine* line2)
{
cmsFloat64Number a, b, c, d, e, D;
cmsFloat64Number sc, sN, sD;
cmsFloat64Number tc, tN, tD;
cmsVEC3 w0;
_cmsVEC3minus(&w0, &line1 ->a, &line2 ->a);
a = _cmsVEC3dot(&line1 ->u, &line1 ->u);
b = _cmsVEC3dot(&line1 ->u, &line2 ->u);
c = _cmsVEC3dot(&line2 ->u, &line2 ->u);
d = _cmsVEC3dot(&line1 ->u, &w0);
e = _cmsVEC3dot(&line2 ->u, &w0);
D = a*c - b * b; // Denominator
sD = tD = D; // default sD = D >= 0
if (D < MATRIX_DET_TOLERANCE) { // the lines are almost parallel
sN = 0.0; // force using point P0 on segment S1
sD = 1.0; // to prevent possible division by 0.0 later
tN = e;
tD = c;
}
else { // get the closest points on the infinite lines
sN = (b*e - c*d);
tN = (a*e - b*d);
if (sN < 0.0) { // sc < 0 => the s=0 edge is visible
sN = 0.0;
tN = e;
tD = c;
}
else if (sN > sD) { // sc > 1 => the s=1 edge is visible
sN = sD;
tN = e + b;
tD = c;
}
}
if (tN < 0.0) { // tc < 0 => the t=0 edge is visible
tN = 0.0;
// recompute sc for this edge
if (-d < 0.0)
sN = 0.0;
else if (-d > a)
sN = sD;
else {
sN = -d;
sD = a;
}
}
else if (tN > tD) { // tc > 1 => the t=1 edge is visible
tN = tD;
// recompute sc for this edge
if ((-d + b) < 0.0)
sN = 0;
else if ((-d + b) > a)
sN = sD;
else {
sN = (-d + b);
sD = a;
}
}
// finally do the division to get sc and tc
sc = (fabs(sN) < MATRIX_DET_TOLERANCE ? 0.0 : sN / sD);
tc = (fabs(tN) < MATRIX_DET_TOLERANCE ? 0.0 : tN / tD);
GetPointOfLine(r, line1, sc);
return TRUE;
}
// ------------------------------------------------------------------ Wrapper
// Allocate & free structure
cmsHANDLE CMSEXPORT cmsGBDAlloc(cmsContext ContextID)
{
cmsGDB* gbd = (cmsGDB*) _cmsMallocZero(ContextID, sizeof(cmsGDB));
if (gbd == NULL) return NULL;
gbd -> ContextID = ContextID;
return (cmsHANDLE) gbd;
}
void CMSEXPORT cmsGBDFree(cmsHANDLE hGBD)
{
cmsGDB* gbd = (cmsGDB*) hGBD;
if (hGBD != NULL)
_cmsFree(gbd->ContextID, (void*) gbd);
}
// Auxiliar to retrieve a pointer to the segmentr containing the Lab value
static
cmsGDBPoint* GetPoint(cmsGDB* gbd, const cmsCIELab* Lab, cmsSpherical* sp)
{
cmsVEC3 v;
int alpha, theta;
// Housekeeping
_cmsAssert(gbd != NULL);
_cmsAssert(Lab != NULL);
_cmsAssert(sp != NULL);
// Center L* by substracting half of its domain, that's 50
_cmsVEC3init(&v, Lab ->L - 50.0, Lab ->a, Lab ->b);
// Convert to spherical coordinates
ToSpherical(sp, &v);
if (sp ->r < 0 || sp ->alpha < 0 || sp->theta < 0) {
cmsSignalError(gbd ->ContextID, cmsERROR_RANGE, "spherical value out of range");
return NULL;
}
// On which sector it falls?
QuantizeToSector(sp, &alpha, &theta);
if (alpha < 0 || theta < 0 || alpha >= SECTORS || theta >= SECTORS) {
cmsSignalError(gbd ->ContextID, cmsERROR_RANGE, " quadrant out of range");
return NULL;
}
// Get pointer to the sector
return &gbd ->Gamut[theta][alpha];
}
// Add a point to gamut descriptor. Point to add is in Lab color space.
// GBD is centered on a=b=0 and L*=50
cmsBool CMSEXPORT cmsGDBAddPoint(cmsHANDLE hGBD, const cmsCIELab* Lab)
{
cmsGDB* gbd = (cmsGDB*) hGBD;
cmsGDBPoint* ptr;
cmsSpherical sp;
// Get pointer to the sector
ptr = GetPoint(gbd, Lab, &sp);
if (ptr == NULL) return FALSE;
// If no samples at this sector, add it
if (ptr ->Type == GP_EMPTY) {
ptr -> Type = GP_SPECIFIED;
ptr -> p = sp;
}
else {
// Substitute only if radius is greater
if (sp.r > ptr -> p.r) {
ptr -> Type = GP_SPECIFIED;
ptr -> p = sp;
}
}
return TRUE;
}
// Check if a given point falls inside gamut
cmsBool CMSEXPORT cmsGDBCheckPoint(cmsHANDLE hGBD, const cmsCIELab* Lab)
{
cmsGDB* gbd = (cmsGDB*) hGBD;
cmsGDBPoint* ptr;
cmsSpherical sp;
// Get pointer to the sector
ptr = GetPoint(gbd, Lab, &sp);
if (ptr == NULL) return FALSE;
// If no samples at this sector, return no data
if (ptr ->Type == GP_EMPTY) return FALSE;
// In gamut only if radius is greater
return (sp.r <= ptr -> p.r);
}
// -----------------------------------------------------------------------------------------------------------------------
// Find near sectors. The list of sectors found is returned on Close[].
// The function returns the number of sectors as well.
// 24 9 10 11 12
// 23 8 1 2 13
// 22 7 * 3 14
// 21 6 5 4 15
// 20 19 18 17 16
//
// Those are the relative movements
// {-2,-2}, {-1, -2}, {0, -2}, {+1, -2}, {+2, -2},
// {-2,-1}, {-1, -1}, {0, -1}, {+1, -1}, {+2, -1},
// {-2, 0}, {-1, 0}, {0, 0}, {+1, 0}, {+2, 0},
// {-2,+1}, {-1, +1}, {0, +1}, {+1, +1}, {+2, +1},
// {-2,+2}, {-1, +2}, {0, +2}, {+1, +2}, {+2, +2}};
static
const struct _spiral {
int AdvX, AdvY;
} Spiral[] = { {0, -1}, {+1, -1}, {+1, 0}, {+1, +1}, {0, +1}, {-1, +1},
{-1, 0}, {-1, -1}, {-1, -2}, {0, -2}, {+1, -2}, {+2, -2},
{+2, -1}, {+2, 0}, {+2, +1}, {+2, +2}, {+1, +2}, {0, +2},
{-1, +2}, {-2, +2}, {-2, +1}, {-2, 0}, {-2, -1}, {-2, -2} };
#define NSTEPS (sizeof(Spiral) / sizeof(struct _spiral))
static
int FindNearSectors(cmsGDB* gbd, int alpha, int theta, cmsGDBPoint* Close[])
{
int nSectors = 0;
int i, a, t;
cmsGDBPoint* pt;
for (i=0; i < NSTEPS; i++) {
a = alpha + Spiral[i].AdvX;
t = theta + Spiral[i].AdvY;
// Cycle at the end
a %= SECTORS;
t %= SECTORS;
// Cycle at the begin
if (a < 0) a = SECTORS + a;
if (t < 0) t = SECTORS + t;
pt = &gbd ->Gamut[t][a];
if (pt -> Type != GP_EMPTY) {
Close[nSectors++] = pt;
}
}
return nSectors;
}
// Interpolate a missing sector. Method identifies whatever this is top, bottom or mid
static
cmsBool InterpolateMissingSector(cmsGDB* gbd, int alpha, int theta)
{
cmsSpherical sp;
cmsVEC3 Lab;
cmsVEC3 Centre;
cmsLine ray;
int nCloseSectors;
cmsGDBPoint* Close[NSTEPS + 1];
cmsSpherical closel, templ;
cmsLine edge;
int k, m;
// Is that point already specified?
if (gbd ->Gamut[theta][alpha].Type != GP_EMPTY) return TRUE;
// Fill close points
nCloseSectors = FindNearSectors(gbd, alpha, theta, Close);
// Find a central point on the sector
sp.alpha = (cmsFloat64Number) ((alpha + 0.5) * 360.0) / (SECTORS);
sp.theta = (cmsFloat64Number) ((theta + 0.5) * 180.0) / (SECTORS);
sp.r = 50.0;
// Convert to Cartesian
ToCartesian(&Lab, &sp);
// Create a ray line from centre to this point
_cmsVEC3init(&Centre, 50.0, 0, 0);
LineOf2Points(&ray, &Lab, &Centre);
// For all close sectors
closel.r = 0.0;
closel.alpha = 0;
closel.theta = 0;
for (k=0; k < nCloseSectors; k++) {
for(m = k+1; m < nCloseSectors; m++) {
cmsVEC3 temp, a1, a2;
// A line from sector to sector
ToCartesian(&a1, &Close[k]->p);
ToCartesian(&a2, &Close[m]->p);
LineOf2Points(&edge, &a1, &a2);
// Find a line
ClosestLineToLine(&temp, &ray, &edge);
// Convert to spherical
ToSpherical(&templ, &temp);
if ( templ.r > closel.r &&
templ.theta >= (theta*180.0/SECTORS) &&
templ.theta <= ((theta+1)*180.0/SECTORS) &&
templ.alpha >= (alpha*360.0/SECTORS) &&
templ.alpha <= ((alpha+1)*360.0/SECTORS)) {
closel = templ;
}
}
}
gbd ->Gamut[theta][alpha].p = closel;
gbd ->Gamut[theta][alpha].Type = GP_MODELED;
return TRUE;
}
// Interpolate missing parts. The algorithm fist computes slices at
// theta=0 and theta=Max.
cmsBool CMSEXPORT cmsGDBCompute(cmsHANDLE hGBD, cmsUInt32Number dwFlags)
{
int alpha, theta;
cmsGDB* gbd = (cmsGDB*) hGBD;
_cmsAssert(hGBD != NULL);
// Interpolate black
for (alpha = 0; alpha <= SECTORS; alpha++) {
if (!InterpolateMissingSector(gbd, alpha, 0)) return FALSE;
}
// Interpolate white
for (alpha = 0; alpha <= SECTORS; alpha++) {
if (!InterpolateMissingSector(gbd, alpha, SECTORS-1)) return FALSE;
}
// Interpolate Mid
for (theta = 1; theta < SECTORS; theta++) {
for (alpha = 0; alpha <= SECTORS; alpha++) {
if (!InterpolateMissingSector(gbd, alpha, theta)) return FALSE;
}
}
// Done
return TRUE;
cmsUNUSED_PARAMETER(dwFlags);
}
// --------------------------------------------------------------------------------------------------------
// Great for debug, but not suitable for real use
#if 0
cmsBool cmsGBDdumpVRML(cmsHANDLE hGBD, const char* fname)
{
FILE* fp;
int i, j;
cmsGDB* gbd = (cmsGDB*) hGBD;
cmsGDBPoint* pt;
fp = fopen (fname, "wt");
if (fp == NULL)
return FALSE;
fprintf (fp, "#VRML V2.0 utf8\n");
// set the viewing orientation and distance
fprintf (fp, "DEF CamTest Group {\n");
fprintf (fp, "\tchildren [\n");
fprintf (fp, "\t\tDEF Cameras Group {\n");
fprintf (fp, "\t\t\tchildren [\n");
fprintf (fp, "\t\t\t\tDEF DefaultView Viewpoint {\n");
fprintf (fp, "\t\t\t\t\tposition 0 0 340\n");
fprintf (fp, "\t\t\t\t\torientation 0 0 1 0\n");
fprintf (fp, "\t\t\t\t\tdescription \"default view\"\n");
fprintf (fp, "\t\t\t\t}\n");
fprintf (fp, "\t\t\t]\n");
fprintf (fp, "\t\t},\n");
fprintf (fp, "\t]\n");
fprintf (fp, "}\n");
// Output the background stuff
fprintf (fp, "Background {\n");
fprintf (fp, "\tskyColor [\n");
fprintf (fp, "\t\t.5 .5 .5\n");
fprintf (fp, "\t]\n");
fprintf (fp, "}\n");
// Output the shape stuff
fprintf (fp, "Transform {\n");
fprintf (fp, "\tscale .3 .3 .3\n");
fprintf (fp, "\tchildren [\n");
// Draw the axes as a shape:
fprintf (fp, "\t\tShape {\n");
fprintf (fp, "\t\t\tappearance Appearance {\n");
fprintf (fp, "\t\t\t\tmaterial Material {\n");
fprintf (fp, "\t\t\t\t\tdiffuseColor 0 0.8 0\n");
fprintf (fp, "\t\t\t\t\temissiveColor 1.0 1.0 1.0\n");
fprintf (fp, "\t\t\t\t\tshininess 0.8\n");
fprintf (fp, "\t\t\t\t}\n");
fprintf (fp, "\t\t\t}\n");
fprintf (fp, "\t\t\tgeometry IndexedLineSet {\n");
fprintf (fp, "\t\t\t\tcoord Coordinate {\n");
fprintf (fp, "\t\t\t\t\tpoint [\n");
fprintf (fp, "\t\t\t\t\t0.0 0.0 0.0,\n");
fprintf (fp, "\t\t\t\t\t%f 0.0 0.0,\n", 255.0);
fprintf (fp, "\t\t\t\t\t0.0 %f 0.0,\n", 255.0);
fprintf (fp, "\t\t\t\t\t0.0 0.0 %f]\n", 255.0);
fprintf (fp, "\t\t\t\t}\n");
fprintf (fp, "\t\t\t\tcoordIndex [\n");
fprintf (fp, "\t\t\t\t\t0, 1, -1\n");
fprintf (fp, "\t\t\t\t\t0, 2, -1\n");
fprintf (fp, "\t\t\t\t\t0, 3, -1]\n");
fprintf (fp, "\t\t\t}\n");
fprintf (fp, "\t\t}\n");
fprintf (fp, "\t\tShape {\n");
fprintf (fp, "\t\t\tappearance Appearance {\n");
fprintf (fp, "\t\t\t\tmaterial Material {\n");
fprintf (fp, "\t\t\t\t\tdiffuseColor 0 0.8 0\n");
fprintf (fp, "\t\t\t\t\temissiveColor 1 1 1\n");
fprintf (fp, "\t\t\t\t\tshininess 0.8\n");
fprintf (fp, "\t\t\t\t}\n");
fprintf (fp, "\t\t\t}\n");
fprintf (fp, "\t\t\tgeometry PointSet {\n");
// fill in the points here
fprintf (fp, "\t\t\t\tcoord Coordinate {\n");
fprintf (fp, "\t\t\t\t\tpoint [\n");
// We need to transverse all gamut hull.
for (i=0; i < SECTORS; i++)
for (j=0; j < SECTORS; j++) {
cmsVEC3 v;
pt = &gbd ->Gamut[i][j];
ToCartesian(&v, &pt ->p);
fprintf (fp, "\t\t\t\t\t%g %g %g", v.n[0]+50, v.n[1], v.n[2]);
if ((j == SECTORS - 1) && (i == SECTORS - 1))
fprintf (fp, "]\n");
else
fprintf (fp, ",\n");
}
fprintf (fp, "\t\t\t\t}\n");
// fill in the face colors
fprintf (fp, "\t\t\t\tcolor Color {\n");
fprintf (fp, "\t\t\t\t\tcolor [\n");
for (i=0; i < SECTORS; i++)
for (j=0; j < SECTORS; j++) {
cmsVEC3 v;
pt = &gbd ->Gamut[i][j];
ToCartesian(&v, &pt ->p);
if (pt ->Type == GP_EMPTY)
fprintf (fp, "\t\t\t\t\t%g %g %g", 0.0, 0.0, 0.0);
else
if (pt ->Type == GP_MODELED)
fprintf (fp, "\t\t\t\t\t%g %g %g", 1.0, .5, .5);
else {
fprintf (fp, "\t\t\t\t\t%g %g %g", 1.0, 1.0, 1.0);
}
if ((j == SECTORS - 1) && (i == SECTORS - 1))
fprintf (fp, "]\n");
else
fprintf (fp, ",\n");
}
fprintf (fp, "\t\t\t}\n");
fprintf (fp, "\t\t\t}\n");
fprintf (fp, "\t\t}\n");
fprintf (fp, "\t]\n");
fprintf (fp, "}\n");
fclose (fp);
return TRUE;
}
#endif
jni/lcms2-2.2/src/cmstypes.c
+5388
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jni/lcms2-2.2/src/cmsvirt.c
+1148
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jni/lcms2-2.2/src/cmswtpnt.c
+351
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@@ -0,0 +1,351 @@
//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2010 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
//
#include "lcms2_internal.h"
// D50 - Widely used
const cmsCIEXYZ* CMSEXPORT cmsD50_XYZ(void)
{
static cmsCIEXYZ D50XYZ = {cmsD50X, cmsD50Y, cmsD50Z};
return &D50XYZ;
}
const cmsCIExyY* CMSEXPORT cmsD50_xyY(void)
{
static cmsCIExyY D50xyY;
cmsXYZ2xyY(&D50xyY, cmsD50_XYZ());
return &D50xyY;
}
// Obtains WhitePoint from Temperature
cmsBool CMSEXPORT cmsWhitePointFromTemp(cmsCIExyY* WhitePoint, cmsFloat64Number TempK)
{
cmsFloat64Number x, y;
cmsFloat64Number T, T2, T3;
// cmsFloat64Number M1, M2;
_cmsAssert(WhitePoint != NULL);
T = TempK;
T2 = T*T; // Square
T3 = T2*T; // Cube
// For correlated color temperature (T) between 4000K and 7000K:
if (T >= 4000. && T <= 7000.)
{
x = -4.6070*(1E9/T3) + 2.9678*(1E6/T2) + 0.09911*(1E3/T) + 0.244063;
}
else
// or for correlated color temperature (T) between 7000K and 25000K:
if (T > 7000.0 && T <= 25000.0)
{
x = -2.0064*(1E9/T3) + 1.9018*(1E6/T2) + 0.24748*(1E3/T) + 0.237040;
}
else {
cmsSignalError(0, cmsERROR_RANGE, "cmsWhitePointFromTemp: invalid temp");
return FALSE;
}
// Obtain y(x)
y = -3.000*(x*x) + 2.870*x - 0.275;
// wave factors (not used, but here for futures extensions)
// M1 = (-1.3515 - 1.7703*x + 5.9114 *y)/(0.0241 + 0.2562*x - 0.7341*y);
// M2 = (0.0300 - 31.4424*x + 30.0717*y)/(0.0241 + 0.2562*x - 0.7341*y);
WhitePoint -> x = x;
WhitePoint -> y = y;
WhitePoint -> Y = 1.0;
return TRUE;
}
typedef struct {
cmsFloat64Number mirek; // temp (in microreciprocal kelvin)
cmsFloat64Number ut; // u coord of intersection w/ blackbody locus
cmsFloat64Number vt; // v coord of intersection w/ blackbody locus
cmsFloat64Number tt; // slope of ISOTEMPERATURE. line
} ISOTEMPERATURE;
static ISOTEMPERATURE isotempdata[] = {
// {Mirek, Ut, Vt, Tt }
{0, 0.18006, 0.26352, -0.24341},
{10, 0.18066, 0.26589, -0.25479},
{20, 0.18133, 0.26846, -0.26876},
{30, 0.18208, 0.27119, -0.28539},
{40, 0.18293, 0.27407, -0.30470},
{50, 0.18388, 0.27709, -0.32675},
{60, 0.18494, 0.28021, -0.35156},
{70, 0.18611, 0.28342, -0.37915},
{80, 0.18740, 0.28668, -0.40955},
{90, 0.18880, 0.28997, -0.44278},
{100, 0.19032, 0.29326, -0.47888},
{125, 0.19462, 0.30141, -0.58204},
{150, 0.19962, 0.30921, -0.70471},
{175, 0.20525, 0.31647, -0.84901},
{200, 0.21142, 0.32312, -1.0182 },
{225, 0.21807, 0.32909, -1.2168 },
{250, 0.22511, 0.33439, -1.4512 },
{275, 0.23247, 0.33904, -1.7298 },
{300, 0.24010, 0.34308, -2.0637 },
{325, 0.24702, 0.34655, -2.4681 },
{350, 0.25591, 0.34951, -2.9641 },
{375, 0.26400, 0.35200, -3.5814 },
{400, 0.27218, 0.35407, -4.3633 },
{425, 0.28039, 0.35577, -5.3762 },
{450, 0.28863, 0.35714, -6.7262 },
{475, 0.29685, 0.35823, -8.5955 },
{500, 0.30505, 0.35907, -11.324 },
{525, 0.31320, 0.35968, -15.628 },
{550, 0.32129, 0.36011, -23.325 },
{575, 0.32931, 0.36038, -40.770 },
{600, 0.33724, 0.36051, -116.45 }
};
#define NISO sizeof(isotempdata)/sizeof(ISOTEMPERATURE)
// Robertson's method
cmsBool CMSEXPORT cmsTempFromWhitePoint(cmsFloat64Number* TempK, const cmsCIExyY* WhitePoint)
{
int j;
cmsFloat64Number us,vs;
cmsFloat64Number uj,vj,tj,di,dj,mi,mj;
cmsFloat64Number xs, ys;
_cmsAssert(WhitePoint != NULL);
_cmsAssert(TempK != NULL);
di = mi = 0;
xs = WhitePoint -> x;
ys = WhitePoint -> y;
// convert (x,y) to CIE 1960 (u,WhitePoint)
us = (2*xs) / (-xs + 6*ys + 1.5);
vs = (3*ys) / (-xs + 6*ys + 1.5);
for (j=0; j < NISO; j++) {
uj = isotempdata[j].ut;
vj = isotempdata[j].vt;
tj = isotempdata[j].tt;
mj = isotempdata[j].mirek;
dj = ((vs - vj) - tj * (us - uj)) / sqrt(1.0 + tj * tj);
if ((j != 0) && (di/dj < 0.0)) {
// Found a match
*TempK = 1000000.0 / (mi + (di / (di - dj)) * (mj - mi));
return TRUE;
}
di = dj;
mi = mj;
}
// Not found
return FALSE;
}
// Compute chromatic adaptation matrix using Chad as cone matrix
static
cmsBool ComputeChromaticAdaptation(cmsMAT3* Conversion,
const cmsCIEXYZ* SourceWhitePoint,
const cmsCIEXYZ* DestWhitePoint,
const cmsMAT3* Chad)
{
cmsMAT3 Chad_Inv;
cmsVEC3 ConeSourceXYZ, ConeSourceRGB;
cmsVEC3 ConeDestXYZ, ConeDestRGB;
cmsMAT3 Cone, Tmp;
Tmp = *Chad;
if (!_cmsMAT3inverse(&Tmp, &Chad_Inv)) return FALSE;
_cmsVEC3init(&ConeSourceXYZ, SourceWhitePoint -> X,
SourceWhitePoint -> Y,
SourceWhitePoint -> Z);
_cmsVEC3init(&ConeDestXYZ, DestWhitePoint -> X,
DestWhitePoint -> Y,
DestWhitePoint -> Z);
_cmsMAT3eval(&ConeSourceRGB, Chad, &ConeSourceXYZ);
_cmsMAT3eval(&ConeDestRGB, Chad, &ConeDestXYZ);
// Build matrix
_cmsVEC3init(&Cone.v[0], ConeDestRGB.n[0]/ConeSourceRGB.n[0], 0.0, 0.0);
_cmsVEC3init(&Cone.v[1], 0.0, ConeDestRGB.n[1]/ConeSourceRGB.n[1], 0.0);
_cmsVEC3init(&Cone.v[2], 0.0, 0.0, ConeDestRGB.n[2]/ConeSourceRGB.n[2]);
// Normalize
_cmsMAT3per(&Tmp, &Cone, Chad);
_cmsMAT3per(Conversion, &Chad_Inv, &Tmp);
return TRUE;
}
// Returns the final chrmatic adaptation from illuminant FromIll to Illuminant ToIll
// The cone matrix can be specified in ConeMatrix. If NULL, Bradford is assumed
cmsBool _cmsAdaptationMatrix(cmsMAT3* r, const cmsMAT3* ConeMatrix, const cmsCIEXYZ* FromIll, const cmsCIEXYZ* ToIll)
{
cmsMAT3 LamRigg = {{ // Bradford matrix
{{ 0.8951, 0.2664, -0.1614 }},
{{ -0.7502, 1.7135, 0.0367 }},
{{ 0.0389, -0.0685, 1.0296 }}
}};
if (ConeMatrix == NULL)
ConeMatrix = &LamRigg;
return ComputeChromaticAdaptation(r, FromIll, ToIll, ConeMatrix);
}
// Same as anterior, but assuming D50 destination. White point is given in xyY
static
cmsBool _cmsAdaptMatrixToD50(cmsMAT3* r, const cmsCIExyY* SourceWhitePt)
{
cmsCIEXYZ Dn;
cmsMAT3 Bradford;
cmsMAT3 Tmp;
cmsxyY2XYZ(&Dn, SourceWhitePt);
if (!_cmsAdaptationMatrix(&Bradford, NULL, &Dn, cmsD50_XYZ())) return FALSE;
Tmp = *r;
_cmsMAT3per(r, &Bradford, &Tmp);
return TRUE;
}
// Build a White point, primary chromas transfer matrix from RGB to CIE XYZ
// This is just an approximation, I am not handling all the non-linear
// aspects of the RGB to XYZ process, and assumming that the gamma correction
// has transitive property in the tranformation chain.
//
// the alghoritm:
//
// - First I build the absolute conversion matrix using
// primaries in XYZ. This matrix is next inverted
// - Then I eval the source white point across this matrix
// obtaining the coeficients of the transformation
// - Then, I apply these coeficients to the original matrix
//
cmsBool _cmsBuildRGB2XYZtransferMatrix(cmsMAT3* r, const cmsCIExyY* WhitePt, const cmsCIExyYTRIPLE* Primrs)
{
cmsVEC3 WhitePoint, Coef;
cmsMAT3 Result, Primaries;
cmsFloat64Number xn, yn;
cmsFloat64Number xr, yr;
cmsFloat64Number xg, yg;
cmsFloat64Number xb, yb;
xn = WhitePt -> x;
yn = WhitePt -> y;
xr = Primrs -> Red.x;
yr = Primrs -> Red.y;
xg = Primrs -> Green.x;
yg = Primrs -> Green.y;
xb = Primrs -> Blue.x;
yb = Primrs -> Blue.y;
// Build Primaries matrix
_cmsVEC3init(&Primaries.v[0], xr, xg, xb);
_cmsVEC3init(&Primaries.v[1], yr, yg, yb);
_cmsVEC3init(&Primaries.v[2], (1-xr-yr), (1-xg-yg), (1-xb-yb));
// Result = Primaries ^ (-1) inverse matrix
if (!_cmsMAT3inverse(&Primaries, &Result))
return FALSE;
_cmsVEC3init(&WhitePoint, xn/yn, 1.0, (1.0-xn-yn)/yn);
// Across inverse primaries ...
_cmsMAT3eval(&Coef, &Result, &WhitePoint);
// Give us the Coefs, then I build transformation matrix
_cmsVEC3init(&r -> v[0], Coef.n[VX]*xr, Coef.n[VY]*xg, Coef.n[VZ]*xb);
_cmsVEC3init(&r -> v[1], Coef.n[VX]*yr, Coef.n[VY]*yg, Coef.n[VZ]*yb);
_cmsVEC3init(&r -> v[2], Coef.n[VX]*(1.0-xr-yr), Coef.n[VY]*(1.0-xg-yg), Coef.n[VZ]*(1.0-xb-yb));
return _cmsAdaptMatrixToD50(r, WhitePt);
}
// Adapts a color to a given illuminant. Original color is expected to have
// a SourceWhitePt white point.
cmsBool CMSEXPORT cmsAdaptToIlluminant(cmsCIEXYZ* Result,
const cmsCIEXYZ* SourceWhitePt,
const cmsCIEXYZ* Illuminant,
const cmsCIEXYZ* Value)
{
cmsMAT3 Bradford;
cmsVEC3 In, Out;
_cmsAssert(Result != NULL);
_cmsAssert(SourceWhitePt != NULL);
_cmsAssert(Illuminant != NULL);
_cmsAssert(Value != NULL);
if (!_cmsAdaptationMatrix(&Bradford, NULL, SourceWhitePt, Illuminant)) return FALSE;
_cmsVEC3init(&In, Value -> X, Value -> Y, Value -> Z);
_cmsMAT3eval(&Out, &Bradford, &In);
Result -> X = Out.n[0];
Result -> Y = Out.n[1];
Result -> Z = Out.n[2];
return TRUE;
}
jni/lcms2-2.2/src/cmsxform.c
+815
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@@ -0,0 +1,815 @@
//---------------------------------------------------------------------------------
//
// Little Color Management System
// Copyright (c) 1998-2011 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
//
#include "lcms2_internal.h"
// Transformations stuff
// -----------------------------------------------------------------------
// Alarm codes for 16-bit transformations, because the fixed range of containers there are
// no values left to mark out of gamut. volatile is C99 per 6.2.5
static volatile cmsUInt16Number Alarm[cmsMAXCHANNELS];
static volatile cmsFloat64Number GlobalAdaptationState = 0;
// The adaptation state may be defaulted by this function. If you don't like it, use the extended transform routine
cmsFloat64Number CMSEXPORT cmsSetAdaptationState(cmsFloat64Number d)
{
cmsFloat64Number OldVal = GlobalAdaptationState;
if (d >= 0)
GlobalAdaptationState = d;
return OldVal;
}
// Alarm codes are always global
void CMSEXPORT cmsSetAlarmCodes(cmsUInt16Number NewAlarm[cmsMAXCHANNELS])
{
int i;
_cmsAssert(NewAlarm != NULL);
for (i=0; i < cmsMAXCHANNELS; i++)
Alarm[i] = NewAlarm[i];
}
// You can get the codes cas well
void CMSEXPORT cmsGetAlarmCodes(cmsUInt16Number OldAlarm[cmsMAXCHANNELS])
{
int i;
_cmsAssert(OldAlarm != NULL);
for (i=0; i < cmsMAXCHANNELS; i++)
OldAlarm[i] = Alarm[i];
}
// Get rid of transform resources
void CMSEXPORT cmsDeleteTransform(cmsHTRANSFORM hTransform)
{
_cmsTRANSFORM* p = (_cmsTRANSFORM*) hTransform;
_cmsAssert(p != NULL);
if (p -> GamutCheck)
cmsPipelineFree(p -> GamutCheck);
if (p -> Lut)
cmsPipelineFree(p -> Lut);
if (p ->InputColorant)
cmsFreeNamedColorList(p ->InputColorant);
if (p -> OutputColorant)
cmsFreeNamedColorList(p ->OutputColorant);
if (p ->Sequence)
cmsFreeProfileSequenceDescription(p ->Sequence);
_cmsFree(p ->ContextID, (void *) p);
}
// Apply transform.
void CMSEXPORT cmsDoTransform(cmsHTRANSFORM Transform,
const void* InputBuffer,
void* OutputBuffer,
cmsUInt32Number Size)
{
_cmsTRANSFORM* p = (_cmsTRANSFORM*) Transform;
p -> xform(p, InputBuffer, OutputBuffer, Size);
}
// Transform routines ----------------------------------------------------------------------------------------------------------
// Float xform converts floats. Since there are no performance issues, one routine does all job, including gamut check.
// Note that because extended range, we can use a -1.0 value for out of gamut in this case.
static
void FloatXFORM(_cmsTRANSFORM* p,
const void* in,
void* out, cmsUInt32Number Size)
{
cmsUInt8Number* accum;
cmsUInt8Number* output;
cmsFloat32Number fIn[cmsMAXCHANNELS], fOut[cmsMAXCHANNELS];
cmsFloat32Number OutOfGamut;
cmsUInt32Number i, j;
accum = (cmsUInt8Number*) in;
output = (cmsUInt8Number*) out;
for (i=0; i < Size; i++) {
accum = p -> FromInputFloat(p, fIn, accum, Size);
// Any gamut chack to do?
if (p ->GamutCheck != NULL) {
// Evaluate gamut marker.
cmsPipelineEvalFloat( fIn, &OutOfGamut, p ->GamutCheck);
// Is current color out of gamut?
if (OutOfGamut > 0.0) {
// Certainly, out of gamut
for (j=0; j < cmsMAXCHANNELS; j++)
fOut[j] = -1.0;
}
else {
// No, proceed normally
cmsPipelineEvalFloat(fIn, fOut, p -> Lut);
}
}
else {
// No gamut check at all
cmsPipelineEvalFloat(fIn, fOut, p -> Lut);
}
// Back to asked representation
output = p -> ToOutputFloat(p, fOut, output, Size);
}
}
// 16 bit precision -----------------------------------------------------------------------------------------------------------
// Null transformation, only applies formatters. No caché
static
void NullXFORM(_cmsTRANSFORM* p,
const void* in,
void* out, cmsUInt32Number Size)
{
cmsUInt8Number* accum;
cmsUInt8Number* output;
cmsUInt16Number wIn[cmsMAXCHANNELS];
cmsUInt32Number i, n;
accum = (cmsUInt8Number*) in;
output = (cmsUInt8Number*) out;
n = Size; // Buffer len
for (i=0; i < n; i++) {
accum = p -> FromInput(p, wIn, accum, Size);
output = p -> ToOutput(p, wIn, output, Size);
}
}
// No gamut check, no cache, 16 bits
static
void PrecalculatedXFORM(_cmsTRANSFORM* p,
const void* in,
void* out, cmsUInt32Number Size)
{
register cmsUInt8Number* accum;
register cmsUInt8Number* output;
cmsUInt16Number wIn[cmsMAXCHANNELS], wOut[cmsMAXCHANNELS];
cmsUInt32Number i, n;
accum = (cmsUInt8Number*) in;
output = (cmsUInt8Number*) out;
n = Size;
for (i=0; i < n; i++) {
accum = p -> FromInput(p, wIn, accum, Size);
p ->Lut ->Eval16Fn(wIn, wOut, p -> Lut->Data);
output = p -> ToOutput(p, wOut, output, Size);
}
}
// Auxiliar: Handle precalculated gamut check
static
void TransformOnePixelWithGamutCheck(_cmsTRANSFORM* p,
const cmsUInt16Number wIn[],
cmsUInt16Number wOut[])
{
cmsUInt16Number wOutOfGamut;
p ->GamutCheck ->Eval16Fn(wIn, &wOutOfGamut, p ->GamutCheck ->Data);
if (wOutOfGamut >= 1) {
cmsUInt16Number i;
for (i=0; i < p ->Lut->OutputChannels; i++)
wOut[i] = Alarm[i];
}
else
p ->Lut ->Eval16Fn(wIn, wOut, p -> Lut->Data);
}
// Gamut check, No caché, 16 bits.
static
void PrecalculatedXFORMGamutCheck(_cmsTRANSFORM* p,
const void* in,
void* out, cmsUInt32Number Size)
{
cmsUInt8Number* accum;
cmsUInt8Number* output;
cmsUInt16Number wIn[cmsMAXCHANNELS], wOut[cmsMAXCHANNELS];
cmsUInt32Number i, n;
accum = (cmsUInt8Number*) in;
output = (cmsUInt8Number*) out;
n = Size; // Buffer len
for (i=0; i < n; i++) {
accum = p -> FromInput(p, wIn, accum, Size);
TransformOnePixelWithGamutCheck(p, wIn, wOut);
output = p -> ToOutput(p, wOut, output, Size);
}
}
// No gamut check, Caché, 16 bits,
static
void CachedXFORM(_cmsTRANSFORM* p,
const void* in,
void* out, cmsUInt32Number Size)
{
cmsUInt8Number* accum;
cmsUInt8Number* output;
cmsUInt16Number wIn[cmsMAXCHANNELS], wOut[cmsMAXCHANNELS];
cmsUInt32Number i, n;
_cmsCACHE Cache;
accum = (cmsUInt8Number*) in;
output = (cmsUInt8Number*) out;
n = Size; // Buffer len
// Empty buffers for quick memcmp
memset(wIn, 0, sizeof(wIn));
memset(wOut, 0, sizeof(wOut));
// Get copy of zero cache
memcpy(&Cache, &p ->Cache, sizeof(Cache));
for (i=0; i < n; i++) {
accum = p -> FromInput(p, wIn, accum, Size);
if (memcmp(wIn, Cache.CacheIn, sizeof(Cache.CacheIn)) == 0) {
memcpy(wOut, Cache.CacheOut, sizeof(Cache.CacheOut));
}
else {
p ->Lut ->Eval16Fn(wIn, wOut, p -> Lut->Data);
memcpy(Cache.CacheIn, wIn, sizeof(Cache.CacheIn));
memcpy(Cache.CacheOut, wOut, sizeof(Cache.CacheOut));
}
output = p -> ToOutput(p, wOut, output, Size);
}
}
// All those nice features together
static
void CachedXFORMGamutCheck(_cmsTRANSFORM* p,
const void* in,
void* out, cmsUInt32Number Size)
{
cmsUInt8Number* accum;
cmsUInt8Number* output;
cmsUInt16Number wIn[cmsMAXCHANNELS], wOut[cmsMAXCHANNELS];
cmsUInt32Number i, n;
_cmsCACHE Cache;
accum = (cmsUInt8Number*) in;
output = (cmsUInt8Number*) out;
n = Size; // Buffer len
// Empty buffers for quick memcmp
memset(wIn, 0, sizeof(cmsUInt16Number) * cmsMAXCHANNELS);
memset(wOut, 0, sizeof(cmsUInt16Number) * cmsMAXCHANNELS);
// Get copy of zero cache
memcpy(&Cache, &p ->Cache, sizeof(Cache));
for (i=0; i < n; i++) {
accum = p -> FromInput(p, wIn, accum, Size);
if (memcmp(wIn, Cache.CacheIn, sizeof(Cache.CacheIn)) == 0) {
memcpy(wOut, Cache.CacheOut, sizeof(Cache.CacheOut));
}
else {
TransformOnePixelWithGamutCheck(p, wIn, wOut);
memcpy(Cache.CacheIn, wIn, sizeof(Cache.CacheIn));
memcpy(Cache.CacheOut, wOut, sizeof(Cache.CacheOut));
}
output = p -> ToOutput(p, wOut, output, Size);
}
}
// Allocate transform struct and set it to defaults
static
_cmsTRANSFORM* AllocEmptyTransform(cmsContext ContextID, cmsUInt32Number InputFormat, cmsUInt32Number OutputFormat, cmsUInt32Number dwFlags)
{
// Allocate needed memory
_cmsTRANSFORM* p = (_cmsTRANSFORM*) _cmsMallocZero(ContextID, sizeof(_cmsTRANSFORM));
if (!p) return NULL;
// Check whatever this is a true floating point transform
if (_cmsFormatterIsFloat(InputFormat) && _cmsFormatterIsFloat(OutputFormat)) {
// Get formatter function always return a valid union, but the contents of this union may be NULL.
p ->FromInputFloat = _cmsGetFormatter(InputFormat, cmsFormatterInput, CMS_PACK_FLAGS_FLOAT).FmtFloat;
p ->ToOutputFloat = _cmsGetFormatter(OutputFormat, cmsFormatterOutput, CMS_PACK_FLAGS_FLOAT).FmtFloat;
dwFlags |= cmsFLAGS_CAN_CHANGE_FORMATTER;
if (p ->FromInputFloat == NULL || p ->ToOutputFloat == NULL) {
cmsSignalError(ContextID, cmsERROR_UNKNOWN_EXTENSION, "Unsupported raster format");
_cmsFree(ContextID, p);
return NULL;
}
// Float transforms don't use caché, always are non-NULL
p ->xform = FloatXFORM;
}
else {
if (InputFormat == 0 && OutputFormat == 0) {
p ->FromInput = p ->ToOutput = NULL;
}
else {
int BytesPerPixelInput;
p ->FromInput = _cmsGetFormatter(InputFormat, cmsFormatterInput, CMS_PACK_FLAGS_16BITS).Fmt16;
p ->ToOutput = _cmsGetFormatter(OutputFormat, cmsFormatterOutput, CMS_PACK_FLAGS_16BITS).Fmt16;
if (p ->FromInput == NULL || p ->ToOutput == NULL) {
cmsSignalError(ContextID, cmsERROR_UNKNOWN_EXTENSION, "Unsupported raster format");
_cmsFree(ContextID, p);
return NULL;
}
BytesPerPixelInput = T_BYTES(p ->InputFormat);
if (BytesPerPixelInput == 0 || BytesPerPixelInput >= 2)
dwFlags |= cmsFLAGS_CAN_CHANGE_FORMATTER;
}
if (dwFlags & cmsFLAGS_NULLTRANSFORM) {
p ->xform = NullXFORM;
}
else {
if (dwFlags & cmsFLAGS_NOCACHE) {
if (dwFlags & cmsFLAGS_GAMUTCHECK)
p ->xform = PrecalculatedXFORMGamutCheck; // Gamut check, no caché
else
p ->xform = PrecalculatedXFORM; // No caché, no gamut check
}
else {
if (dwFlags & cmsFLAGS_GAMUTCHECK)
p ->xform = CachedXFORMGamutCheck; // Gamut check, caché
else
p ->xform = CachedXFORM; // No gamut check, caché
}
}
}
p ->InputFormat = InputFormat;
p ->OutputFormat = OutputFormat;
p ->dwOriginalFlags = dwFlags;
p ->ContextID = ContextID;
return p;
}
static
cmsBool GetXFormColorSpaces(int nProfiles, cmsHPROFILE hProfiles[], cmsColorSpaceSignature* Input, cmsColorSpaceSignature* Output)
{
cmsColorSpaceSignature ColorSpaceIn, ColorSpaceOut;
cmsColorSpaceSignature PostColorSpace;
int i;
if (hProfiles[0] == NULL) return FALSE;
*Input = PostColorSpace = cmsGetColorSpace(hProfiles[0]);
// Special handling for named color profiles as devicelinks
if (nProfiles == 1 && cmsGetDeviceClass(hProfiles[0]) == cmsSigNamedColorClass) {
*Input = cmsSig1colorData;
*Output = PostColorSpace;
return TRUE;
}
for (i=0; i < nProfiles; i++) {
cmsHPROFILE hProfile = hProfiles[i];
int lIsInput = (PostColorSpace != cmsSigXYZData) &&
(PostColorSpace != cmsSigLabData);
int lIsDeviceLink;
if (hProfile == NULL) return FALSE;
lIsDeviceLink = (cmsGetDeviceClass(hProfile) == cmsSigLinkClass);
if (lIsInput || lIsDeviceLink) {
ColorSpaceIn = cmsGetColorSpace(hProfile);
ColorSpaceOut = cmsGetPCS(hProfile);
}
else {
ColorSpaceIn = cmsGetPCS(hProfile);
ColorSpaceOut = cmsGetColorSpace(hProfile);
}
PostColorSpace = ColorSpaceOut;
}
*Output = PostColorSpace;
return TRUE;
}
// Check colorspace
static
cmsBool IsProperColorSpace(cmsColorSpaceSignature Check, cmsUInt32Number dwFormat)
{
int Space1 = T_COLORSPACE(dwFormat);
int Space2 = _cmsLCMScolorSpace(Check);
if (Space1 == PT_ANY) return TRUE;
if (Space1 == Space2) return TRUE;
if (Space1 == PT_LabV2 && Space2 == PT_Lab) return TRUE;
if (Space1 == PT_Lab && Space2 == PT_LabV2) return TRUE;
return FALSE;
}
// ----------------------------------------------------------------------------------------------------------------
// New to lcms 2.0 -- have all parameters available.
cmsHTRANSFORM CMSEXPORT cmsCreateExtendedTransform(cmsContext ContextID,
cmsUInt32Number nProfiles, cmsHPROFILE hProfiles[],
cmsBool BPC[],
cmsUInt32Number Intents[],
cmsFloat64Number AdaptationStates[],
cmsHPROFILE hGamutProfile,
cmsUInt32Number nGamutPCSposition,
cmsUInt32Number InputFormat,
cmsUInt32Number OutputFormat,
cmsUInt32Number dwFlags)
{
_cmsTRANSFORM* xform;
cmsBool FloatTransform;
cmsColorSpaceSignature EntryColorSpace;
cmsColorSpaceSignature ExitColorSpace;
cmsPipeline* Lut;
cmsUInt32Number LastIntent = Intents[nProfiles-1];
// If gamut check is requested, make sure we have a gamut profile
if (dwFlags & cmsFLAGS_GAMUTCHECK) {
if (hGamutProfile == NULL) dwFlags &= ~cmsFLAGS_GAMUTCHECK;
}
// On floating point transforms, inhibit optimizations
FloatTransform = (_cmsFormatterIsFloat(InputFormat) && _cmsFormatterIsFloat(OutputFormat));
if (_cmsFormatterIsFloat(InputFormat) || _cmsFormatterIsFloat(OutputFormat))
dwFlags |= cmsFLAGS_NOCACHE;
// Mark entry/exit spaces
if (!GetXFormColorSpaces(nProfiles, hProfiles, &EntryColorSpace, &ExitColorSpace)) {
cmsSignalError(ContextID, cmsERROR_NULL, "NULL input profiles on transform");
return NULL;
}
// Check if proper colorspaces
if (!IsProperColorSpace(EntryColorSpace, InputFormat)) {
cmsSignalError(ContextID, cmsERROR_COLORSPACE_CHECK, "Wrong input color space on transform");
return NULL;
}
if (!IsProperColorSpace(ExitColorSpace, OutputFormat)) {
cmsSignalError(ContextID, cmsERROR_COLORSPACE_CHECK, "Wrong output color space on transform");
return NULL;
}
// Create a pipeline with all transformations
Lut = _cmsLinkProfiles(ContextID, nProfiles, Intents, hProfiles, BPC, AdaptationStates, dwFlags);
if (Lut == NULL) {
cmsSignalError(ContextID, cmsERROR_NOT_SUITABLE, "Couldn't link the profiles");
return NULL;
}
// Optimize the LUT if possible
_cmsOptimizePipeline(&Lut, LastIntent, &InputFormat, &OutputFormat, &dwFlags);
// All seems ok
xform = AllocEmptyTransform(ContextID, InputFormat, OutputFormat, dwFlags);
if (xform == NULL) {
cmsPipelineFree(Lut);
return NULL;
}
// Keep values
xform ->EntryColorSpace = EntryColorSpace;
xform ->ExitColorSpace = ExitColorSpace;
xform ->RenderingIntent = Intents[nProfiles-1];
xform ->Lut = Lut;
// Create a gamut check LUT if requested
if (hGamutProfile != NULL && (dwFlags & cmsFLAGS_GAMUTCHECK))
xform ->GamutCheck = _cmsCreateGamutCheckPipeline(ContextID, hProfiles,
BPC, Intents,
AdaptationStates,
nGamutPCSposition,
hGamutProfile);
// Try to read input and output colorant table
if (cmsIsTag(hProfiles[0], cmsSigColorantTableTag)) {
// Input table can only come in this way.
xform ->InputColorant = cmsDupNamedColorList((cmsNAMEDCOLORLIST*) cmsReadTag(hProfiles[0], cmsSigColorantTableTag));
}
// Output is a little bit more complex.
if (cmsGetDeviceClass(hProfiles[nProfiles-1]) == cmsSigLinkClass) {
// This tag may exist only on devicelink profiles.
if (cmsIsTag(hProfiles[nProfiles-1], cmsSigColorantTableOutTag)) {
// It may be NULL if error
xform ->OutputColorant = cmsDupNamedColorList((cmsNAMEDCOLORLIST*) cmsReadTag(hProfiles[nProfiles-1], cmsSigColorantTableOutTag));
}
} else {
if (cmsIsTag(hProfiles[nProfiles-1], cmsSigColorantTableTag)) {
xform -> OutputColorant = cmsDupNamedColorList((cmsNAMEDCOLORLIST*) cmsReadTag(hProfiles[nProfiles-1], cmsSigColorantTableTag));
}
}
// Store the sequence of profiles
if (dwFlags & cmsFLAGS_KEEP_SEQUENCE) {
xform ->Sequence = _cmsCompileProfileSequence(ContextID, nProfiles, hProfiles);
}
else
xform ->Sequence = NULL;
// If this is a cached transform, init first value, which is zero (16 bits only)
if (!(dwFlags & cmsFLAGS_NOCACHE)) {
memset(&xform ->Cache.CacheIn, 0, sizeof(xform ->Cache.CacheIn));
if (xform ->GamutCheck != NULL) {
TransformOnePixelWithGamutCheck(xform, xform ->Cache.CacheIn, xform->Cache.CacheOut);
}
else {
xform ->Lut ->Eval16Fn(xform ->Cache.CacheIn, xform->Cache.CacheOut, xform -> Lut->Data);
}
}
return (cmsHTRANSFORM) xform;
}
// Multiprofile transforms: Gamut check is not available here, as it is unclear from which profile the gamut comes.
cmsHTRANSFORM CMSEXPORT cmsCreateMultiprofileTransformTHR(cmsContext ContextID,
cmsHPROFILE hProfiles[],
cmsUInt32Number nProfiles,
cmsUInt32Number InputFormat,
cmsUInt32Number OutputFormat,
cmsUInt32Number Intent,
cmsUInt32Number dwFlags)
{
cmsUInt32Number i;
cmsBool BPC[256];
cmsUInt32Number Intents[256];
cmsFloat64Number AdaptationStates[256];
if (nProfiles <= 0 || nProfiles > 255) {
cmsSignalError(ContextID, cmsERROR_RANGE, "Wrong number of profiles. 1..255 expected, %d found.", nProfiles);
return NULL;
}
for (i=0; i < nProfiles; i++) {
BPC[i] = dwFlags & cmsFLAGS_BLACKPOINTCOMPENSATION ? TRUE : FALSE;
Intents[i] = Intent;
AdaptationStates[i] = GlobalAdaptationState;
}
return cmsCreateExtendedTransform(ContextID, nProfiles, hProfiles, BPC, Intents, AdaptationStates, NULL, 0, InputFormat, OutputFormat, dwFlags);
}
cmsHTRANSFORM CMSEXPORT cmsCreateMultiprofileTransform(cmsHPROFILE hProfiles[],
cmsUInt32Number nProfiles,
cmsUInt32Number InputFormat,
cmsUInt32Number OutputFormat,
cmsUInt32Number Intent,
cmsUInt32Number dwFlags)
{
if (nProfiles <= 0 || nProfiles > 255) {
cmsSignalError(NULL, cmsERROR_RANGE, "Wrong number of profiles. 1..255 expected, %d found.", nProfiles);
return NULL;
}
return cmsCreateMultiprofileTransformTHR(cmsGetProfileContextID(hProfiles[0]),
hProfiles,
nProfiles,
InputFormat,
OutputFormat,
Intent,
dwFlags);
}
cmsHTRANSFORM CMSEXPORT cmsCreateTransformTHR(cmsContext ContextID,
cmsHPROFILE Input,
cmsUInt32Number InputFormat,
cmsHPROFILE Output,
cmsUInt32Number OutputFormat,
cmsUInt32Number Intent,
cmsUInt32Number dwFlags)
{
cmsHPROFILE hArray[2];
hArray[0] = Input;
hArray[1] = Output;
return cmsCreateMultiprofileTransformTHR(ContextID, hArray, Output == NULL ? 1 : 2, InputFormat, OutputFormat, Intent, dwFlags);
}
CMSAPI cmsHTRANSFORM CMSEXPORT cmsCreateTransform(cmsHPROFILE Input,
cmsUInt32Number InputFormat,
cmsHPROFILE Output,
cmsUInt32Number OutputFormat,
cmsUInt32Number Intent,
cmsUInt32Number dwFlags)
{
return cmsCreateTransformTHR(cmsGetProfileContextID(Input), Input, InputFormat, Output, OutputFormat, Intent, dwFlags);
}
cmsHTRANSFORM CMSEXPORT cmsCreateProofingTransformTHR(cmsContext ContextID,
cmsHPROFILE InputProfile,
cmsUInt32Number InputFormat,
cmsHPROFILE OutputProfile,
cmsUInt32Number OutputFormat,
cmsHPROFILE ProofingProfile,
cmsUInt32Number nIntent,
cmsUInt32Number ProofingIntent,
cmsUInt32Number dwFlags)
{
cmsHPROFILE hArray[4];
cmsUInt32Number Intents[4];
cmsBool BPC[4];
cmsFloat64Number Adaptation[4];
cmsBool DoBPC = (dwFlags & cmsFLAGS_BLACKPOINTCOMPENSATION) ? TRUE : FALSE;
hArray[0] = InputProfile; hArray[1] = ProofingProfile; hArray[2] = ProofingProfile; hArray[3] = OutputProfile;
Intents[0] = nIntent; Intents[1] = nIntent; Intents[2] = INTENT_RELATIVE_COLORIMETRIC; Intents[3] = ProofingIntent;
BPC[0] = DoBPC; BPC[1] = DoBPC; BPC[2] = 0; BPC[3] = 0;
Adaptation[0] = Adaptation[1] = Adaptation[2] = Adaptation[3] = GlobalAdaptationState;
if (!(dwFlags & (cmsFLAGS_SOFTPROOFING|cmsFLAGS_GAMUTCHECK)))
return cmsCreateTransformTHR(ContextID, InputProfile, InputFormat, OutputProfile, OutputFormat, nIntent, dwFlags);
return cmsCreateExtendedTransform(ContextID, 4, hArray, BPC, Intents, Adaptation,
ProofingProfile, 1, InputFormat, OutputFormat, dwFlags);
}
cmsHTRANSFORM CMSEXPORT cmsCreateProofingTransform(cmsHPROFILE InputProfile,
cmsUInt32Number InputFormat,
cmsHPROFILE OutputProfile,
cmsUInt32Number OutputFormat,
cmsHPROFILE ProofingProfile,
cmsUInt32Number nIntent,
cmsUInt32Number ProofingIntent,
cmsUInt32Number dwFlags)
{
return cmsCreateProofingTransformTHR(cmsGetProfileContextID(InputProfile),
InputProfile,
InputFormat,
OutputProfile,
OutputFormat,
ProofingProfile,
nIntent,
ProofingIntent,
dwFlags);
}
// Grab the ContextID from an open transform. Returns NULL if a NULL transform is passed
cmsContext CMSEXPORT cmsGetTransformContextID(cmsHTRANSFORM hTransform)
{
_cmsTRANSFORM* xform = (_cmsTRANSFORM*) hTransform;
if (xform == NULL) return NULL;
return xform -> ContextID;
}
// Grab the input/output formats
cmsUInt32Number CMSEXPORT cmsGetTransformInputFormat(cmsHTRANSFORM hTransform)
{
_cmsTRANSFORM* xform = (_cmsTRANSFORM*) hTransform;
if (xform == NULL) return 0;
return xform->InputFormat;
}
cmsUInt32Number CMSEXPORT cmsGetTransformOutputFormat(cmsHTRANSFORM hTransform)
{
_cmsTRANSFORM* xform = (_cmsTRANSFORM*) hTransform;
if (xform == NULL) return 0;
return xform->OutputFormat;
}
// For backwards compatibility
cmsBool CMSEXPORT cmsChangeBuffersFormat(cmsHTRANSFORM hTransform,
cmsUInt32Number InputFormat,
cmsUInt32Number OutputFormat)
{
_cmsTRANSFORM* xform = (_cmsTRANSFORM*) hTransform;
cmsFormatter16 FromInput, ToOutput;
cmsUInt32Number BytesPerPixelInput;
// We only can afford to change formatters if previous transform is at least 16 bits
BytesPerPixelInput = T_BYTES(xform ->InputFormat);
if (!(xform ->dwOriginalFlags & cmsFLAGS_CAN_CHANGE_FORMATTER)) {
cmsSignalError(xform ->ContextID, cmsERROR_NOT_SUITABLE, "cmsChangeBuffersFormat works only on transforms created originally with at least 16 bits of precision");
return FALSE;
}
FromInput = _cmsGetFormatter(InputFormat, cmsFormatterInput, CMS_PACK_FLAGS_16BITS).Fmt16;
ToOutput = _cmsGetFormatter(OutputFormat, cmsFormatterOutput, CMS_PACK_FLAGS_16BITS).Fmt16;
if (FromInput == NULL || ToOutput == NULL) {
cmsSignalError(xform -> ContextID, cmsERROR_UNKNOWN_EXTENSION, "Unsupported raster format");
return FALSE;
}
xform ->InputFormat = InputFormat;
xform ->OutputFormat = OutputFormat;
xform ->FromInput = FromInput;
xform ->ToOutput = ToOutput;
return TRUE;
}
jni/lcms2-2.2/src/lcms2.def
+300
View File
@@ -0,0 +1,300 @@
LIBRARY LCMS2.DLL
EXPORTS
_cms15Fixed16toDouble = _cms15Fixed16toDouble
_cms8Fixed8toDouble = _cms8Fixed8toDouble
cmsAdaptToIlluminant = cmsAdaptToIlluminant
_cmsAdjustEndianess16 = _cmsAdjustEndianess16
_cmsAdjustEndianess32 = _cmsAdjustEndianess32
_cmsAdjustEndianess64 = _cmsAdjustEndianess64
cmsAllocNamedColorList = cmsAllocNamedColorList
cmsAllocProfileSequenceDescription = cmsAllocProfileSequenceDescription
cmsAppendNamedColor = cmsAppendNamedColor
cmsBFDdeltaE = cmsBFDdeltaE
cmsBuildGamma = cmsBuildGamma
cmsBuildParametricToneCurve = cmsBuildParametricToneCurve
cmsBuildSegmentedToneCurve = cmsBuildSegmentedToneCurve
cmsBuildTabulatedToneCurve16 = cmsBuildTabulatedToneCurve16
cmsBuildTabulatedToneCurveFloat = cmsBuildTabulatedToneCurveFloat
_cmsCalloc = _cmsCalloc
cmsChannelsOf = cmsChannelsOf
cmsCIE2000DeltaE = cmsCIE2000DeltaE
cmsCIE94DeltaE = cmsCIE94DeltaE
cmsCIECAM02Done = cmsCIECAM02Done
cmsCIECAM02Forward = cmsCIECAM02Forward
cmsCIECAM02Init = cmsCIECAM02Init
cmsCIECAM02Reverse = cmsCIECAM02Reverse
cmsCloseIOhandler = cmsCloseIOhandler
cmsCloseProfile = cmsCloseProfile
cmsCMCdeltaE = cmsCMCdeltaE
cmsCreate_sRGBProfile = cmsCreate_sRGBProfile
cmsCreate_sRGBProfileTHR = cmsCreate_sRGBProfileTHR
cmsCreateBCHSWabstractProfile = cmsCreateBCHSWabstractProfile
cmsCreateBCHSWabstractProfileTHR = cmsCreateBCHSWabstractProfileTHR
cmsCreateExtendedTransform = cmsCreateExtendedTransform
cmsCreateGrayProfile = cmsCreateGrayProfile
cmsCreateGrayProfileTHR = cmsCreateGrayProfileTHR
cmsCreateInkLimitingDeviceLink = cmsCreateInkLimitingDeviceLink
cmsCreateInkLimitingDeviceLinkTHR = cmsCreateInkLimitingDeviceLinkTHR
cmsCreateLab2Profile = cmsCreateLab2Profile
cmsCreateLab2ProfileTHR = cmsCreateLab2ProfileTHR
cmsCreateLab4Profile = cmsCreateLab4Profile
cmsCreateLab4ProfileTHR = cmsCreateLab4ProfileTHR
cmsCreateLinearizationDeviceLink = cmsCreateLinearizationDeviceLink
cmsCreateLinearizationDeviceLinkTHR = cmsCreateLinearizationDeviceLinkTHR
cmsCreateMultiprofileTransform = cmsCreateMultiprofileTransform
cmsCreateMultiprofileTransformTHR = cmsCreateMultiprofileTransformTHR
cmsCreateNULLProfile = cmsCreateNULLProfile
cmsCreateNULLProfileTHR = cmsCreateNULLProfileTHR
cmsCreateProfilePlaceholder = cmsCreateProfilePlaceholder
cmsCreateProofingTransform = cmsCreateProofingTransform
cmsCreateProofingTransformTHR = cmsCreateProofingTransformTHR
cmsCreateRGBProfile = cmsCreateRGBProfile
cmsCreateRGBProfileTHR = cmsCreateRGBProfileTHR
cmsCreateTransform = cmsCreateTransform
cmsCreateTransformTHR = cmsCreateTransformTHR
cmsCreateXYZProfile = cmsCreateXYZProfile
cmsCreateXYZProfileTHR = cmsCreateXYZProfileTHR
cmsD50_xyY = cmsD50_xyY
cmsD50_XYZ = cmsD50_XYZ
_cmsDecodeDateTimeNumber = _cmsDecodeDateTimeNumber
_cmsDefaultICCintents = _cmsDefaultICCintents
cmsDeleteTransform = cmsDeleteTransform
cmsDeltaE = cmsDeltaE
cmsDetectBlackPoint = cmsDetectBlackPoint
cmsDetectTAC = cmsDetectTAC
cmsDesaturateLab = cmsDesaturateLab
cmsDoTransform = cmsDoTransform
_cmsDoubleTo15Fixed16 = _cmsDoubleTo15Fixed16
_cmsDoubleTo8Fixed8 = _cmsDoubleTo8Fixed8
_cmsDupMem = _cmsDupMem
cmsDupNamedColorList = cmsDupNamedColorList
cmsDupProfileSequenceDescription = cmsDupProfileSequenceDescription
cmsDupToneCurve = cmsDupToneCurve
_cmsEncodeDateTimeNumber = _cmsEncodeDateTimeNumber
cmsEstimateGamma = cmsEstimateGamma
cmsEvalToneCurve16 = cmsEvalToneCurve16
cmsEvalToneCurveFloat = cmsEvalToneCurveFloat
cmsfilelength = cmsfilelength
cmsFloat2LabEncoded = cmsFloat2LabEncoded
cmsFloat2LabEncodedV2 = cmsFloat2LabEncodedV2
cmsFloat2XYZEncoded = cmsFloat2XYZEncoded
cmsFormatterForColorspaceOfProfile = cmsFormatterForColorspaceOfProfile
cmsFormatterForPCSOfProfile = cmsFormatterForPCSOfProfile
_cmsFree = _cmsFree
cmsFreeNamedColorList = cmsFreeNamedColorList
cmsFreeProfileSequenceDescription = cmsFreeProfileSequenceDescription
cmsFreeToneCurve = cmsFreeToneCurve
cmsFreeToneCurveTriple = cmsFreeToneCurveTriple
cmsGBDAlloc = cmsGBDAlloc
cmsGBDFree = cmsGBDFree
cmsGDBAddPoint = cmsGDBAddPoint
cmsGDBCheckPoint = cmsGDBCheckPoint
cmsGDBCompute = cmsGDBCompute
cmsGetAlarmCodes = cmsGetAlarmCodes
cmsGetColorSpace = cmsGetColorSpace
cmsGetDeviceClass = cmsGetDeviceClass
cmsGetEncodedICCversion = cmsGetEncodedICCversion
cmsGetHeaderAttributes = cmsGetHeaderAttributes
cmsGetHeaderCreationDateTime = cmsGetHeaderCreationDateTime
cmsGetHeaderFlags = cmsGetHeaderFlags
cmsGetHeaderManufacturer = cmsGetHeaderManufacturer
cmsGetHeaderModel = cmsGetHeaderModel
cmsGetHeaderProfileID = cmsGetHeaderProfileID
cmsGetHeaderRenderingIntent = cmsGetHeaderRenderingIntent
cmsGetNamedColorList = cmsGetNamedColorList
cmsGetPCS = cmsGetPCS
cmsGetPostScriptColorResource = cmsGetPostScriptColorResource
cmsGetPostScriptCRD = cmsGetPostScriptCRD
cmsGetPostScriptCSA = cmsGetPostScriptCSA
cmsGetProfileInfo = cmsGetProfileInfo
cmsGetProfileInfoASCII = cmsGetProfileInfoASCII
cmsGetProfileContextID = cmsGetProfileContextID
cmsGetProfileVersion = cmsGetProfileVersion
cmsGetSupportedIntents = cmsGetSupportedIntents
cmsGetTagCount = cmsGetTagCount
cmsGetTagSignature = cmsGetTagSignature
cmsGetTransformContextID = cmsGetTransformContextID
_cmsICCcolorSpace = _cmsICCcolorSpace
_cmsIOPrintf = _cmsIOPrintf
cmsIsCLUT = cmsIsCLUT
cmsIsIntentSupported = cmsIsIntentSupported
cmsIsMatrixShaper = cmsIsMatrixShaper
cmsIsTag = cmsIsTag
cmsIsToneCurveDescending = cmsIsToneCurveDescending
cmsIsToneCurveLinear = cmsIsToneCurveLinear
cmsIsToneCurveMonotonic = cmsIsToneCurveMonotonic
cmsIsToneCurveMultisegment = cmsIsToneCurveMultisegment
cmsGetToneCurveParametricType = cmsGetToneCurveParametricType
cmsIT8Alloc = cmsIT8Alloc
cmsIT8DefineDblFormat = cmsIT8DefineDblFormat
cmsIT8EnumDataFormat = cmsIT8EnumDataFormat
cmsIT8EnumProperties = cmsIT8EnumProperties
cmsIT8Free = cmsIT8Free
cmsIT8GetData = cmsIT8GetData
cmsIT8GetDataDbl = cmsIT8GetDataDbl
cmsIT8FindDataFormat = cmsIT8FindDataFormat
cmsIT8GetDataRowCol = cmsIT8GetDataRowCol
cmsIT8GetDataRowColDbl = cmsIT8GetDataRowColDbl
cmsIT8GetPatchName = cmsIT8GetPatchName
cmsIT8GetProperty = cmsIT8GetProperty
cmsIT8GetPropertyDbl = cmsIT8GetPropertyDbl
cmsIT8GetSheetType = cmsIT8GetSheetType
cmsIT8LoadFromFile = cmsIT8LoadFromFile
cmsIT8LoadFromMem = cmsIT8LoadFromMem
cmsIT8SaveToFile = cmsIT8SaveToFile
cmsIT8SaveToMem = cmsIT8SaveToMem
cmsIT8SetComment = cmsIT8SetComment
cmsIT8SetData = cmsIT8SetData
cmsIT8SetDataDbl = cmsIT8SetDataDbl
cmsIT8SetDataFormat = cmsIT8SetDataFormat
cmsIT8SetDataRowCol = cmsIT8SetDataRowCol
cmsIT8SetDataRowColDbl = cmsIT8SetDataRowColDbl
cmsIT8SetPropertyDbl = cmsIT8SetPropertyDbl
cmsIT8SetPropertyHex = cmsIT8SetPropertyHex
cmsIT8SetPropertyStr = cmsIT8SetPropertyStr
cmsIT8SetPropertyUncooked = cmsIT8SetPropertyUncooked
cmsIT8SetSheetType = cmsIT8SetSheetType
cmsIT8SetTable = cmsIT8SetTable
cmsIT8SetTableByLabel = cmsIT8SetTableByLabel
cmsIT8TableCount = cmsIT8TableCount
cmsJoinToneCurve = cmsJoinToneCurve
cmsLab2LCh = cmsLab2LCh
cmsLab2XYZ = cmsLab2XYZ
cmsLabEncoded2Float = cmsLabEncoded2Float
cmsLabEncoded2FloatV2 = cmsLabEncoded2FloatV2
cmsLCh2Lab = cmsLCh2Lab
_cmsLCMScolorSpace = _cmsLCMScolorSpace
cmsLinkTag = cmsLinkTag
cmsPipelineAlloc = cmsPipelineAlloc
cmsPipelineCat = cmsPipelineCat
cmsPipelineCheckAndRetreiveStages = cmsPipelineCheckAndRetreiveStages
cmsPipelineDup = cmsPipelineDup
cmsPipelineStageCount = cmsPipelineStageCount
cmsPipelineEval16 = cmsPipelineEval16
cmsPipelineEvalFloat = cmsPipelineEvalFloat
cmsPipelineEvalReverseFloat = cmsPipelineEvalReverseFloat
cmsPipelineFree = cmsPipelineFree
cmsPipelineGetPtrToFirstStage = cmsPipelineGetPtrToFirstStage
cmsPipelineGetPtrToLastStage = cmsPipelineGetPtrToLastStage
cmsPipelineInputChannels = cmsPipelineInputChannels
cmsPipelineInsertStage = cmsPipelineInsertStage
cmsPipelineOutputChannels = cmsPipelineOutputChannels
cmsPipelineSetSaveAs8bitsFlag = cmsPipelineSetSaveAs8bitsFlag
_cmsPipelineSetOptimizationParameters = _cmsPipelineSetOptimizationParameters
cmsPipelineUnlinkStage = cmsPipelineUnlinkStage
_cmsMalloc = _cmsMalloc
_cmsMallocZero = _cmsMallocZero
_cmsMAT3eval = _cmsMAT3eval
_cmsMAT3identity = _cmsMAT3identity
_cmsMAT3inverse = _cmsMAT3inverse
_cmsMAT3isIdentity = _cmsMAT3isIdentity
_cmsMAT3per = _cmsMAT3per
_cmsMAT3solve = _cmsMAT3solve
cmsMD5computeID = cmsMD5computeID
cmsMLUalloc = cmsMLUalloc
cmsMLUdup = cmsMLUdup
cmsMLUfree = cmsMLUfree
cmsMLUgetASCII = cmsMLUgetASCII
cmsMLUgetTranslation = cmsMLUgetTranslation
cmsMLUgetWide = cmsMLUgetWide
cmsMLUsetASCII = cmsMLUsetASCII
cmsMLUsetWide = cmsMLUsetWide
cmsStageAllocCLut16bit = cmsStageAllocCLut16bit
cmsStageAllocCLut16bitGranular = cmsStageAllocCLut16bitGranular
cmsStageAllocCLutFloat = cmsStageAllocCLutFloat
cmsStageAllocCLutFloatGranular = cmsStageAllocCLutFloatGranular
cmsStageAllocToneCurves = cmsStageAllocToneCurves
cmsStageAllocIdentity = cmsStageAllocIdentity
cmsStageAllocMatrix = cmsStageAllocMatrix
_cmsStageAllocPlaceholder = _cmsStageAllocPlaceholder
cmsStageDup = cmsStageDup
cmsStageFree = cmsStageFree
cmsStageNext = cmsStageNext
cmsStageInputChannels = cmsStageInputChannels
cmsStageOutputChannels = cmsStageOutputChannels
cmsStageSampleCLut16bit = cmsStageSampleCLut16bit
cmsStageSampleCLutFloat = cmsStageSampleCLutFloat
cmsStageType = cmsStageType
cmsStageData = cmsStageData
cmsNamedColorCount = cmsNamedColorCount
cmsNamedColorIndex = cmsNamedColorIndex
cmsNamedColorInfo = cmsNamedColorInfo
cmsOpenIOhandlerFromFile = cmsOpenIOhandlerFromFile
cmsOpenIOhandlerFromMem = cmsOpenIOhandlerFromMem
cmsOpenIOhandlerFromNULL = cmsOpenIOhandlerFromNULL
cmsOpenIOhandlerFromStream = cmsOpenIOhandlerFromStream
cmsOpenProfileFromFile = cmsOpenProfileFromFile
cmsOpenProfileFromFileTHR = cmsOpenProfileFromFileTHR
cmsOpenProfileFromIOhandlerTHR = cmsOpenProfileFromIOhandlerTHR
cmsOpenProfileFromMem = cmsOpenProfileFromMem
cmsOpenProfileFromMemTHR = cmsOpenProfileFromMemTHR
cmsOpenProfileFromStream = cmsOpenProfileFromStream
cmsOpenProfileFromStreamTHR = cmsOpenProfileFromStreamTHR
cmsPlugin = cmsPlugin
_cmsRead15Fixed16Number = _cmsRead15Fixed16Number
_cmsReadAlignment = _cmsReadAlignment
_cmsReadFloat32Number = _cmsReadFloat32Number
cmsReadRawTag = cmsReadRawTag
cmsReadTag = cmsReadTag
_cmsReadTypeBase = _cmsReadTypeBase
_cmsReadUInt16Array = _cmsReadUInt16Array
_cmsReadUInt16Number = _cmsReadUInt16Number
_cmsReadUInt32Number = _cmsReadUInt32Number
_cmsReadUInt64Number = _cmsReadUInt64Number
_cmsReadUInt8Number = _cmsReadUInt8Number
_cmsReadXYZNumber = _cmsReadXYZNumber
_cmsRealloc = _cmsRealloc
cmsReverseToneCurve = cmsReverseToneCurve
cmsReverseToneCurveEx = cmsReverseToneCurveEx
cmsSaveProfileToFile = cmsSaveProfileToFile
cmsSaveProfileToIOhandler = cmsSaveProfileToIOhandler
cmsSaveProfileToMem = cmsSaveProfileToMem
cmsSaveProfileToStream = cmsSaveProfileToStream
cmsSetAdaptationState = cmsSetAdaptationState
cmsSetAlarmCodes = cmsSetAlarmCodes
cmsSetColorSpace = cmsSetColorSpace
cmsSetDeviceClass = cmsSetDeviceClass
cmsSetEncodedICCversion = cmsSetEncodedICCversion
cmsSetHeaderAttributes = cmsSetHeaderAttributes
cmsSetHeaderFlags = cmsSetHeaderFlags
cmsSetHeaderManufacturer = cmsSetHeaderManufacturer
cmsSetHeaderModel = cmsSetHeaderModel
cmsSetHeaderProfileID = cmsSetHeaderProfileID
cmsSetHeaderRenderingIntent = cmsSetHeaderRenderingIntent
cmsSetLogErrorHandler = cmsSetLogErrorHandler
cmsSetPCS = cmsSetPCS
cmsSetProfileVersion = cmsSetProfileVersion
cmsSignalError = cmsSignalError
cmsSmoothToneCurve = cmsSmoothToneCurve
cmsstrcasecmp = cmsstrcasecmp
cmsTempFromWhitePoint = cmsTempFromWhitePoint
cmsTransform2DeviceLink = cmsTransform2DeviceLink
cmsUnregisterPlugins = cmsUnregisterPlugins
_cmsVEC3cross = _cmsVEC3cross
_cmsVEC3distance = _cmsVEC3distance
_cmsVEC3dot = _cmsVEC3dot
_cmsVEC3init = _cmsVEC3init
_cmsVEC3length = _cmsVEC3length
_cmsVEC3minus = _cmsVEC3minus
cmsWhitePointFromTemp = cmsWhitePointFromTemp
_cmsWrite15Fixed16Number = _cmsWrite15Fixed16Number
_cmsWriteAlignment = _cmsWriteAlignment
_cmsWriteFloat32Number = _cmsWriteFloat32Number
cmsWriteRawTag = cmsWriteRawTag
cmsWriteTag = cmsWriteTag
_cmsWriteTypeBase = _cmsWriteTypeBase
_cmsWriteUInt16Array = _cmsWriteUInt16Array
_cmsWriteUInt16Number = _cmsWriteUInt16Number
_cmsWriteUInt32Number = _cmsWriteUInt32Number
_cmsWriteUInt64Number = _cmsWriteUInt64Number
_cmsWriteUInt8Number = _cmsWriteUInt8Number
_cmsWriteXYZNumber = _cmsWriteXYZNumber
cmsxyY2XYZ = cmsxyY2XYZ
cmsXYZ2Lab = cmsXYZ2Lab
cmsXYZ2xyY = cmsXYZ2xyY
cmsXYZEncoded2Float = cmsXYZEncoded2Float
cmsSliceSpace16 = cmsSliceSpace16
cmsSliceSpaceFloat = cmsSliceSpaceFloat
cmsChangeBuffersFormat = cmsChangeBuffersFormat
jni/lcms2-2.2/src/lcms2_internal.h
+628
View File
@@ -0,0 +1,628 @@
//
// Little Color Management System
// Copyright (c) 1998-2011 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the Software
// is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//---------------------------------------------------------------------------------
//
#ifndef _lcms_internal_H
// Include plug-in foundation
#ifndef _lcms_plugin_H
# include "lcms2_plugin.h"
#endif
// ctype is part of C99 as per 7.1.2
#include <ctype.h>
// assert macro is part of C99 as per 7.2
#include <assert.h>
// Some needed constants
#ifndef M_PI
# define M_PI 3.14159265358979323846
#endif
#ifndef M_LOG10E
# define M_LOG10E 0.434294481903251827651
#endif
// BorlandC 5.5, VC2003 are broken on that
#if defined(__BORLANDC__) || (_MSC_VER <= 1400) // 1400 == VC++ 8.0
#define sinf(x) (float)sin((float)x)
#define sqrtf(x) (float)sqrt((float)x)
#endif
// Alignment of ICC file format uses 4 bytes (cmsUInt32Number)
#define _cmsSIZEOFLONGMINUS1 (sizeof(cmsUInt32Number)-1)
#define _cmsALIGNLONG(x) (((x)+_cmsSIZEOFLONGMINUS1) & ~(_cmsSIZEOFLONGMINUS1))
// Maximum encodeable values in floating point
#define MAX_ENCODEABLE_XYZ (1.0 + 32767.0/32768.0)
#define MIN_ENCODEABLE_ab2 (-128.0)
#define MAX_ENCODEABLE_ab2 ((65535.0/256.0) - 128.0)
#define MIN_ENCODEABLE_ab4 (-128.0)
#define MAX_ENCODEABLE_ab4 (127.0)
// Maximum of channels for internal pipeline evaluation
#define MAX_STAGE_CHANNELS 128
// Unused parameter warning supression
#define cmsUNUSED_PARAMETER(x) ((void)x)
// The specification for "inline" is section 6.7.4 of the C99 standard (ISO/IEC 9899:1999).
// unfortunately VisualC++ does not conform that
#if defined(_MSC_VER) || defined(__BORLANDC__)
# define cmsINLINE __inline
#else
# define cmsINLINE static inline
#endif
// Other replacement functions
#ifdef _MSC_VER
# ifndef snprintf
# define snprintf _snprintf
# endif
# ifndef vsnprintf
# define vsnprintf _vsnprintf
# endif
#endif
// A fast way to convert from/to 16 <-> 8 bits
#define FROM_8_TO_16(rgb) (cmsUInt16Number) ((((cmsUInt16Number) (rgb)) << 8)|(rgb))
#define FROM_16_TO_8(rgb) (cmsUInt8Number) ((((rgb) * 65281 + 8388608) >> 24) & 0xFF)
// Code analysis is broken on asserts
#ifdef _MSC_VER
# if (_MSC_VER >= 1500)
# define _cmsAssert(a) { assert((a)); __analysis_assume((a)); }
# else
# define _cmsAssert(a) assert((a))
# endif
#else
# define _cmsAssert(a) assert((a))
#endif
//---------------------------------------------------------------------------------
// Determinant lower than that are assumed zero (used on matrix invert)
#define MATRIX_DET_TOLERANCE 0.0001
//---------------------------------------------------------------------------------
// Fixed point
#define FIXED_TO_INT(x) ((x)>>16)
#define FIXED_REST_TO_INT(x) ((x)&0xFFFFU)
#define ROUND_FIXED_TO_INT(x) (((x)+0x8000)>>16)
cmsINLINE cmsS15Fixed16Number _cmsToFixedDomain(int a) { return a + ((a + 0x7fff) / 0xffff); }
cmsINLINE int _cmsFromFixedDomain(cmsS15Fixed16Number a) { return a - ((a + 0x7fff) >> 16); }
// -----------------------------------------------------------------------------------------------------------
// Fast floor conversion logic. Thanks to Sree Kotay and Stuart Nixon
// note than this only works in the range ..-32767...+32767 because
// mantissa is interpreted as 15.16 fixed point.
// The union is to avoid pointer aliasing overoptimization.
cmsINLINE int _cmsQuickFloor(cmsFloat64Number val)
{
#ifdef CMS_DONT_USE_FAST_FLOOR
return (int) floor(val);
#else
const cmsFloat64Number _lcms_double2fixmagic = 68719476736.0 * 1.5; // 2^36 * 1.5, (52-16=36) uses limited precision to floor
union {
cmsFloat64Number val;
int halves[2];
} temp;
temp.val = val + _lcms_double2fixmagic;
#ifdef CMS_USE_BIG_ENDIAN
return temp.halves[1] >> 16;
#else
return temp.halves[0] >> 16;
#endif
#endif
}
// Fast floor restricted to 0..65535.0
cmsINLINE cmsUInt16Number _cmsQuickFloorWord(cmsFloat64Number d)
{
return (cmsUInt16Number) _cmsQuickFloor(d - 32767.0) + 32767U;
}
// Floor to word, taking care of saturation
cmsINLINE cmsUInt16Number _cmsQuickSaturateWord(cmsFloat64Number d)
{
d += 0.5;
if (d <= 0) return 0;
if (d >= 65535.0) return 0xffff;
return _cmsQuickFloorWord(d);
}
// Plug-In registering ---------------------------------------------------------------
// Specialized function for plug-in memory management. No pairing free() since whole pool is freed at once.
void* _cmsPluginMalloc(cmsUInt32Number size);
// Memory management
cmsBool _cmsRegisterMemHandlerPlugin(cmsPluginBase* Plugin);
// Interpolation
cmsBool _cmsRegisterInterpPlugin(cmsPluginBase* Plugin);
// Parametric curves
cmsBool _cmsRegisterParametricCurvesPlugin(cmsPluginBase* Plugin);
// Formatters management
cmsBool _cmsRegisterFormattersPlugin(cmsPluginBase* Plugin);
// Tag type management
cmsBool _cmsRegisterTagTypePlugin(cmsPluginBase* Plugin);
// Tag management
cmsBool _cmsRegisterTagPlugin(cmsPluginBase* Plugin);
// Intent management
cmsBool _cmsRegisterRenderingIntentPlugin(cmsPluginBase* Plugin);
// Multi Process elements
cmsBool _cmsRegisterMultiProcessElementPlugin(cmsPluginBase* Plugin);
// Optimization
cmsBool _cmsRegisterOptimizationPlugin(cmsPluginBase* Plugin);
// ---------------------------------------------------------------------------------------------------------
// Suballocators. Those are blocks of memory that is freed at the end on whole block.
typedef struct _cmsSubAllocator_chunk_st {
cmsUInt8Number* Block;
cmsUInt32Number BlockSize;
cmsUInt32Number Used;
struct _cmsSubAllocator_chunk_st* next;
} _cmsSubAllocator_chunk;
typedef struct {
cmsContext ContextID;
_cmsSubAllocator_chunk* h;
} _cmsSubAllocator;
_cmsSubAllocator* _cmsCreateSubAlloc(cmsContext ContextID, cmsUInt32Number Initial);
void _cmsSubAllocDestroy(_cmsSubAllocator* s);
void* _cmsSubAlloc(_cmsSubAllocator* s, cmsUInt32Number size);
// ----------------------------------------------------------------------------------
// MLU internal representation
typedef struct {
cmsUInt16Number Language;
cmsUInt16Number Country;
cmsUInt32Number StrW; // Offset to current unicode string
cmsUInt32Number Len; // Lenght in bytes
} _cmsMLUentry;
struct _cms_MLU_struct {
cmsContext ContextID;
// The directory
int AllocatedEntries;
int UsedEntries;
_cmsMLUentry* Entries; // Array of pointers to strings allocated in MemPool
// The Pool
cmsUInt32Number PoolSize; // The maximum allocated size
cmsUInt32Number PoolUsed; // The used size
void* MemPool; // Pointer to begin of memory pool
};
// Named color list internal representation
typedef struct {
char Name[cmsMAX_PATH];
cmsUInt16Number PCS[3];
cmsUInt16Number DeviceColorant[cmsMAXCHANNELS];
} _cmsNAMEDCOLOR;
struct _cms_NAMEDCOLORLIST_struct {
cmsUInt32Number nColors;
cmsUInt32Number Allocated;
cmsUInt32Number ColorantCount;
char Prefix[33]; // Prefix and suffix are defined to be 32 characters at most
char Suffix[33];
_cmsNAMEDCOLOR* List;
cmsContext ContextID;
};
// ----------------------------------------------------------------------------------
// This is the internal struct holding profile details.
// Maximum supported tags in a profile
#define MAX_TABLE_TAG 100
typedef struct _cms_iccprofile_struct {
// I/O handler
cmsIOHANDLER* IOhandler;
// The thread ID
cmsContext ContextID;
// Creation time
struct tm Created;
// Only most important items found in ICC profiles
cmsUInt32Number Version;
cmsProfileClassSignature DeviceClass;
cmsColorSpaceSignature ColorSpace;
cmsColorSpaceSignature PCS;
cmsUInt32Number RenderingIntent;
cmsUInt32Number flags;
cmsUInt32Number manufacturer, model;
cmsUInt64Number attributes;
cmsProfileID ProfileID;
// Dictionary
cmsUInt32Number TagCount;
cmsTagSignature TagNames[MAX_TABLE_TAG];
cmsTagSignature TagLinked[MAX_TABLE_TAG]; // The tag to wich is linked (0=none)
cmsUInt32Number TagSizes[MAX_TABLE_TAG]; // Size on disk
cmsUInt32Number TagOffsets[MAX_TABLE_TAG];
cmsBool TagSaveAsRaw[MAX_TABLE_TAG]; // True to write uncooked
void * TagPtrs[MAX_TABLE_TAG];
cmsTagTypeHandler* TagTypeHandlers[MAX_TABLE_TAG]; // Same structure may be serialized on different types
// depending on profile version, so we keep track of the // type handler for each tag in the list.
// Special
cmsBool IsWrite;
} _cmsICCPROFILE;
// IO helpers for profiles
cmsBool _cmsReadHeader(_cmsICCPROFILE* Icc);
cmsBool _cmsWriteHeader(_cmsICCPROFILE* Icc, cmsUInt32Number UsedSpace);
int _cmsSearchTag(_cmsICCPROFILE* Icc, cmsTagSignature sig, cmsBool lFollowLinks);
// Tag types
cmsTagTypeHandler* _cmsGetTagTypeHandler(cmsTagTypeSignature sig);
cmsTagTypeSignature _cmsGetTagTrueType(cmsHPROFILE hProfile, cmsTagSignature sig);
cmsTagDescriptor* _cmsGetTagDescriptor(cmsTagSignature sig);
// Error logging ---------------------------------------------------------------------------------------------------------
void _cmsTagSignature2String(char String[5], cmsTagSignature sig);
// Interpolation ---------------------------------------------------------------------------------------------------------
cmsInterpParams* _cmsComputeInterpParams(cmsContext ContextID, int nSamples, int InputChan, int OutputChan, const void* Table, cmsUInt32Number dwFlags);
cmsInterpParams* _cmsComputeInterpParamsEx(cmsContext ContextID, const cmsUInt32Number nSamples[], int InputChan, int OutputChan, const void* Table, cmsUInt32Number dwFlags);
void _cmsFreeInterpParams(cmsInterpParams* p);
cmsBool _cmsSetInterpolationRoutine(cmsInterpParams* p);
// Curves ----------------------------------------------------------------------------------------------------------------
// This struct holds information about a segment, plus a pointer to the function that implements the evaluation.
// In the case of table-based, Eval pointer is set to NULL
// The gamma function main structure
struct _cms_curve_struct {
cmsInterpParams* InterpParams; // Private optimizations for interpolation
cmsUInt32Number nSegments; // Number of segments in the curve. Zero for a 16-bit based tables
cmsCurveSegment* Segments; // The segments
cmsInterpParams** SegInterp; // Array of private optimizations for interpolation in table-based segments
cmsParametricCurveEvaluator* Evals; // Evaluators (one per segment)
// 16 bit Table-based representation follows
cmsUInt32Number nEntries; // Number of table elements
cmsUInt16Number* Table16; // The table itself.
};
// Pipelines & Stages ---------------------------------------------------------------------------------------------
// A single stage
struct _cmsStage_struct {
cmsContext ContextID;
cmsStageSignature Type; // Identifies the stage
cmsStageSignature Implements; // Identifies the *function* of the stage (for optimizations)
cmsUInt32Number InputChannels; // Input channels -- for optimization purposes
cmsUInt32Number OutputChannels; // Output channels -- for optimization purposes
_cmsStageEvalFn EvalPtr; // Points to fn that evaluates the stage (always in floating point)
_cmsStageDupElemFn DupElemPtr; // Points to a fn that duplicates the *data* of the stage
_cmsStageFreeElemFn FreePtr; // Points to a fn that sets the *data* of the stage free
// A generic pointer to whatever memory needed by the stage
void* Data;
// Maintains linked list (used internally)
struct _cmsStage_struct* Next;
};
// Data kept in "Element" member of cmsStage
// Curves
typedef struct {
cmsUInt32Number nCurves;
cmsToneCurve** TheCurves;
} _cmsStageToneCurvesData;
// Matrix
typedef struct {
cmsFloat64Number* Double; // floating point for the matrix
cmsFloat64Number* Offset; // The offset
} _cmsStageMatrixData;
// CLUT
typedef struct {
union { // Can have only one of both representations at same time
cmsUInt16Number* T; // Points to the table 16 bits table
cmsFloat32Number* TFloat; // Points to the cmsFloat32Number table
} Tab;
cmsInterpParams* Params;
cmsUInt32Number nEntries;
cmsBool HasFloatValues;
} _cmsStageCLutData;
// Special Stages (cannot be saved)
cmsStage* _cmsStageAllocLab2XYZ(cmsContext ContextID);
cmsStage* _cmsStageAllocXYZ2Lab(cmsContext ContextID);
cmsStage* _cmsStageAllocLabPrelin(cmsContext ContextID);
cmsStage* _cmsStageAllocLabV2ToV4(cmsContext ContextID);
cmsStage* _cmsStageAllocLabV2ToV4curves(cmsContext ContextID);
cmsStage* _cmsStageAllocLabV4ToV2(cmsContext ContextID);
cmsStage* _cmsStageAllocNamedColor(cmsNAMEDCOLORLIST* NamedColorList, cmsBool UsePCS);
cmsStage* _cmsStageAllocIdentityCurves(cmsContext ContextID, int nChannels);
cmsStage* _cmsStageAllocIdentityCLut(cmsContext ContextID, int nChan);
// For curve set only
cmsToneCurve** _cmsStageGetPtrToCurveSet(const cmsStage* mpe);
// Pipeline Evaluator (in floating point)
typedef void (* _cmsPipelineEvalFloatFn)(const cmsFloat32Number In[],
cmsFloat32Number Out[],
const void* Data);
struct _cmsPipeline_struct {
cmsStage* Elements; // Points to elements chain
cmsUInt32Number InputChannels, OutputChannels;
// Data & evaluators
void *Data;
_cmsOPTeval16Fn Eval16Fn;
_cmsPipelineEvalFloatFn EvalFloatFn;
_cmsOPTfreeDataFn FreeDataFn;
_cmsOPTdupDataFn DupDataFn;
cmsContext ContextID; // Environment
cmsBool SaveAs8Bits; // Implementation-specific: save as 8 bits if possible
};
// LUT reading & creation -------------------------------------------------------------------------------------------
// Read tags using low-level function, provide necessary glue code to adapt versions, etc. All those return a brand new copy
// of the LUTS, since ownership of original is up to the profile. The user should free allocated resources.
cmsPipeline* _cmsReadInputLUT(cmsHPROFILE hProfile, int Intent);
cmsPipeline* _cmsReadOutputLUT(cmsHPROFILE hProfile, int Intent);
cmsPipeline* _cmsReadDevicelinkLUT(cmsHPROFILE hProfile, int Intent);
// Special values
cmsBool _cmsReadMediaWhitePoint(cmsCIEXYZ* Dest, cmsHPROFILE hProfile);
cmsBool _cmsReadCHAD(cmsMAT3* Dest, cmsHPROFILE hProfile);
// Profile linker --------------------------------------------------------------------------------------------------
cmsPipeline* _cmsLinkProfiles(cmsContext ContextID,
cmsUInt32Number nProfiles,
cmsUInt32Number TheIntents[],
cmsHPROFILE hProfiles[],
cmsBool BPC[],
cmsFloat64Number AdaptationStates[],
cmsUInt32Number dwFlags);
// Sequence --------------------------------------------------------------------------------------------------------
cmsSEQ* _cmsReadProfileSequence(cmsHPROFILE hProfile);
cmsBool _cmsWriteProfileSequence(cmsHPROFILE hProfile, const cmsSEQ* seq);
cmsSEQ* _cmsCompileProfileSequence(cmsContext ContextID, cmsUInt32Number nProfiles, cmsHPROFILE hProfiles[]);
// LUT optimization ------------------------------------------------------------------------------------------------
cmsUInt16Number _cmsQuantizeVal(cmsFloat64Number i, int MaxSamples);
int _cmsReasonableGridpointsByColorspace(cmsColorSpaceSignature Colorspace, cmsUInt32Number dwFlags);
cmsBool _cmsEndPointsBySpace(cmsColorSpaceSignature Space,
cmsUInt16Number **White,
cmsUInt16Number **Black,
cmsUInt32Number *nOutputs);
cmsBool _cmsOptimizePipeline(cmsPipeline** Lut,
int Intent,
cmsUInt32Number* InputFormat,
cmsUInt32Number* OutputFormat,
cmsUInt32Number* dwFlags );
// Hi level LUT building ----------------------------------------------------------------------------------------------
cmsPipeline* _cmsCreateGamutCheckPipeline(cmsContext ContextID,
cmsHPROFILE hProfiles[],
cmsBool BPC[],
cmsUInt32Number Intents[],
cmsFloat64Number AdaptationStates[],
cmsUInt32Number nGamutPCSposition,
cmsHPROFILE hGamut);
// Formatters ------------------------------------------------------------------------------------------------------------
#define cmsFLAGS_CAN_CHANGE_FORMATTER 0x02000000 // Allow change buffer format
cmsBool _cmsFormatterIsFloat(cmsUInt32Number Type);
cmsBool _cmsFormatterIs8bit(cmsUInt32Number Type);
cmsFormatter _cmsGetFormatter(cmsUInt32Number Type, // Specific type, i.e. TYPE_RGB_8
cmsFormatterDirection Dir,
cmsUInt32Number dwFlags);
// Transform logic ------------------------------------------------------------------------------------------------------
struct _cmstransform_struct;
typedef struct {
// 1-pixel cache (16 bits only)
cmsUInt16Number CacheIn[cmsMAXCHANNELS];
cmsUInt16Number CacheOut[cmsMAXCHANNELS];
} _cmsCACHE;
// Full xform
typedef void (* _cmsTransformFn)(struct _cmstransform_struct *Transform,
const void* InputBuffer,
void* OutputBuffer,
cmsUInt32Number Size);
typedef struct {
cmsUInt32Number InputFormat, OutputFormat; // Keep formats for further reference
cmsUInt32Number StrideIn, StrideOut; // Planar support
} cmsFormatterInfo;
// Transformation
typedef struct _cmstransform_struct {
cmsUInt32Number InputFormat, OutputFormat; // Keep formats for further reference
// Points to transform code
_cmsTransformFn xform;
// Formatters, cannot be embedded into LUT because cache
cmsFormatter16 FromInput;
cmsFormatter16 ToOutput;
cmsFormatterFloat FromInputFloat;
cmsFormatterFloat ToOutputFloat;
// 1-pixel cache seed for zero as input (16 bits, read only)
_cmsCACHE Cache;
// A MPE LUT holding the full (optimized) transform
cmsPipeline* Lut;
// A MPE LUT holding the gamut check. It goes from the input space to bilevel
cmsPipeline* GamutCheck;
// Colorant tables
cmsNAMEDCOLORLIST* InputColorant; // Input Colorant table
cmsNAMEDCOLORLIST* OutputColorant; // Colorant table (for n chans > CMYK)
// Informational only
cmsColorSpaceSignature EntryColorSpace;
cmsColorSpaceSignature ExitColorSpace;
// Profiles used to create the transform
cmsSEQ* Sequence;
cmsUInt32Number dwOriginalFlags;
cmsFloat64Number AdaptationState;
// The intent of this transform. That is usually the last intent in the profilechain, but may differ
cmsUInt32Number RenderingIntent;
// An id that uniquely identifies the running context. May be null.
cmsContext ContextID;
} _cmsTRANSFORM;
// --------------------------------------------------------------------------------------------------
cmsHTRANSFORM _cmsChain2Lab(cmsContext ContextID,
cmsUInt32Number nProfiles,
cmsUInt32Number InputFormat,
cmsUInt32Number OutputFormat,
const cmsUInt32Number Intents[],
const cmsHPROFILE hProfiles[],
const cmsBool BPC[],
const cmsFloat64Number AdaptationStates[],
cmsUInt32Number dwFlags);
cmsToneCurve* _cmsBuildKToneCurve(cmsContext ContextID,
cmsUInt32Number nPoints,
cmsUInt32Number nProfiles,
const cmsUInt32Number Intents[],
const cmsHPROFILE hProfiles[],
const cmsBool BPC[],
const cmsFloat64Number AdaptationStates[],
cmsUInt32Number dwFlags);
cmsBool _cmsAdaptationMatrix(cmsMAT3* r, const cmsMAT3* ConeMatrix, const cmsCIEXYZ* FromIll, const cmsCIEXYZ* ToIll);
cmsBool _cmsBuildRGB2XYZtransferMatrix(cmsMAT3* r, const cmsCIExyY* WhitePoint, const cmsCIExyYTRIPLE* Primaries);
#define _lcms_internal_H
#endif