Removed EncodedImageData, added three new encoded image formats, and changed the way screenshots work - saving screenshots will be broken until we have some way of flipping ImageData, though

--HG--
branch : minor
This commit is contained in:
Bill Meltsner
2011-03-19 23:41:07 -05:00
parent 8de9499979
commit cee7a4ccdb
14 changed files with 81 additions and 413 deletions
-77
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@@ -1,77 +0,0 @@
/**
* Copyright (c) 2006-2011 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#include "EncodedImageData.h"
namespace love
{
namespace image
{
EncodedImageData::EncodedImageData(void * d, Format f, int s)
: data(d), size(s), format(f), freeData(0)
{
}
EncodedImageData::EncodedImageData(void * d, Format f, int s, void (*freeData)(void*))
: data(d), size(s), format(f), freeData(freeData)
{
}
EncodedImageData::~EncodedImageData()
{
if (freeData != 0)
freeData(data);
}
void * EncodedImageData::getData() const
{
return data;
}
EncodedImageData::Format EncodedImageData::getFormat() const
{
return format;
}
int EncodedImageData::getSize() const
{
return size;
}
bool EncodedImageData::getConstant(const char * in, EncodedImageData::Format & out)
{
return formats.find(in, out);
}
bool EncodedImageData::getConstant(EncodedImageData::Format in, const char *& out)
{
return formats.find(in, out);
}
StringMap<EncodedImageData::Format, EncodedImageData::FORMAT_MAX_ENUM>::Entry EncodedImageData::formatEntries[] =
{
{"tga", EncodedImageData::FORMAT_TGA},
{"bmp", EncodedImageData::FORMAT_BMP},
};
StringMap<EncodedImageData::Format, EncodedImageData::FORMAT_MAX_ENUM> EncodedImageData::formats(EncodedImageData::formatEntries, sizeof(EncodedImageData::formatEntries));
} // image
} // love
-96
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@@ -1,96 +0,0 @@
/**
* Copyright (c) 2006-2011 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#ifndef LOVE_IMAGE_ENCODED_IMAGE_DATA_H
#define LOVE_IMAGE_ENCODED_IMAGE_DATA_H
// LOVE
#include <common/Data.h>
#include <common/StringMap.h>
namespace love
{
namespace image
{
/**
* Represents encoded pixel data.
**/
class EncodedImageData : public Data
{
public:
enum Format
{
FORMAT_TGA = 1,
FORMAT_BMP,
FORMAT_MAX_ENUM
};
/**
* Constructor.
**/
EncodedImageData(void * data, Format format, int size);
EncodedImageData(void * data, Format format, int size, void (*freeData)(void*));
/**
* Destructor.
**/
virtual ~EncodedImageData();
// Implements Data.
void * getData() const;
int getSize() const;
/**
* Get the format the data is encoded in.
**/
Format getFormat() const;
static bool getConstant(const char * in, Format & out);
static bool getConstant(Format in, const char *& out);
private:
/**
* Actual data.
**/
void * data;
/**
* Size of the data.
**/
int size;
/**
* Image format.
**/
Format format;
static StringMap<Format, FORMAT_MAX_ENUM>::Entry formatEntries[];
static StringMap<Format, FORMAT_MAX_ENUM> formats;
void (*freeData)(void *data);
}; // EncodedImageData
} // image
} // love
#endif // LOVE_IMAGE_ENCODED_IMAGE_DATA_H
+21
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@@ -45,6 +45,27 @@ namespace image
{
return (x >= 0 && x < getWidth() && y >= 0 && y < getHeight());
}
bool ImageData::getConstant(const char * in, ImageData::Format & out)
{
return formats.find(in, out);
}
bool ImageData::getConstant(ImageData::Format in, const char *& out)
{
return formats.find(in, out);
}
StringMap<ImageData::Format, ImageData::FORMAT_MAX_ENUM>::Entry ImageData::formatEntries[] =
{
{"tga", ImageData::FORMAT_TGA},
{"bmp", ImageData::FORMAT_BMP},
{"gif", ImageData::FORMAT_GIF},
{"jpg", ImageData::FORMAT_JPG},
{"png", ImageData::FORMAT_PNG},
};
StringMap<ImageData::Format, ImageData::FORMAT_MAX_ENUM> ImageData::formats(ImageData::formatEntries, sizeof(ImageData::formatEntries));
} // image
} // love
+19 -3
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@@ -23,8 +23,7 @@
// LOVE
#include <common/Data.h>
#include "EncodedImageData.h"
#include <filesystem/File.h>
namespace love
{
@@ -43,11 +42,24 @@ namespace image
class ImageData : public Data
{
public:
enum Format
{
FORMAT_TGA = 1,
FORMAT_BMP,
FORMAT_GIF,
FORMAT_JPG,
FORMAT_PNG,
FORMAT_MAX_ENUM
};
/**
* Destructor.
**/
virtual ~ImageData(){};
static bool getConstant(const char * in, Format & out);
static bool getConstant(Format in, const char *& out);
/**
* Paste part of one ImageData onto another. The subregion defined by the top-left
@@ -102,7 +114,11 @@ namespace image
* @param f The format to convert to.
* @return A pointer to the encoded image data.
**/
virtual EncodedImageData * encode(EncodedImageData::Format f) = 0;
virtual void encode(love::filesystem::File * f, Format format) = 0;
private:
static StringMap<Format, FORMAT_MAX_ENUM>::Entry formatEntries[];
static StringMap<Format, FORMAT_MAX_ENUM> formats;
}; // ImageData
+26 -97
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@@ -25,6 +25,7 @@
// LOVE
#include <common/Exception.h>
#include <filesystem/File.h>
namespace love
{
@@ -170,106 +171,34 @@ namespace devil
return pixels[y*width+x];
}
EncodedImageData * ImageData::encode(EncodedImageData::Format f) {
void ImageData::encode(love::filesystem::File * f, ImageData::Format format) {
ilBindImage(image);
ILubyte * data;
ILuint w = getWidth();
int h = getHeight(); // has to be a signed int so we can make it negative for BMPs
int headerLen, bpp, row, size, padding, filesize;
switch (f) {
case EncodedImageData::FORMAT_BMP:
headerLen = 54;
bpp = 3;
row = w * bpp;
padding = row & 3;
size = h * (row + padding);
filesize = size + headerLen;
data = new ILubyte[filesize];
// Here's the header for the BMP file format.
data[0] = 66; // "B"
data[1] = 77; // "M"
data[2] = filesize & 255; // size of the file
data[3] = (filesize >> 8) & 255;
data[4] = (filesize >> 16) & 255;
data[5] = (filesize >> 24) & 255;
data[6] = data[7] = data[8] = data[9] = 0; // useless reserved values
data[10] = headerLen; // offset where pixel data begins
data[11] = (headerLen >> 8) & 255;
data[12] = (headerLen >> 16) & 255;
data[13] = (headerLen >> 24) & 255;
data[14] = headerLen - 14; // length of this part of the header
data[15] = ((headerLen - 14) >> 8) & 255;
data[16] = ((headerLen - 14) >> 16) & 255;
data[17] = ((headerLen - 14) >> 24) & 255;
data[18] = w & 255; // width of the bitmap
data[19] = (w >> 8) & 255;
data[20] = (w >> 16) & 255;
data[21] = (w >> 24) & 255;
data[22] = -h & 255; // negative height of the bitmap - used so we don't have to flip the data
data[23] = ((-h) >> 8) & 255;
data[24] = ((-h) >> 16) & 255;
data[25] = ((-h) >> 24) & 255;
data[26] = 1; // number of color planes
data[27] = 0;
data[28] = bpp * 8; // bits per pixel
data[29] = 0;
data[30] = data[31] = data[32] = data[33] = 0; // RGB - no compression
data[34] = (row + padding) * h; // length of the pixel data
data[35] = (((row + padding) * h) >> 8) & 255;
data[36] = (((row + padding) * h) >> 16) & 255;
data[37] = (((row + padding) * h) >> 24) & 255;
data[38] = 2835 & 255; // horizontal pixels per meter
data[39] = (2835 >> 8) & 255;
data[40] = (2835 >> 16) & 255;
data[41] = (2835 >> 24) & 255;
data[42] = 2835 & 255; // vertical pixels per meter
data[43] = data[39];
data[44] = data[40];
data[45] = data[41];
data[46] = data[47] = data[48] = data[49] = 0; // number of colors in the palette
data[50] = data[51] = data[52] = data[53] = 0; // all colors are important!
// Okay, header's done! Now for the pixel data...
data += headerLen;
for (int i = 0; i < h; i++) { // we've got to loop through the rows, adding the pixel data plus padding
ilCopyPixels(0,i,0,w,1,1,IL_BGR,IL_UNSIGNED_BYTE,data);
data += row;
}
data -= filesize;
ILuint ilFormat;
switch (format) {
case ImageData::FORMAT_BMP:
ilFormat = IL_BMP;
break;
case ImageData::FORMAT_TGA:
ilFormat = IL_TGA;
break;
case ImageData::FORMAT_GIF:
ilFormat = IL_GIF;
break;
case ImageData::FORMAT_JPG:
ilFormat = IL_JPG;
break;
case ImageData::FORMAT_PNG:
default: // PNG is the default format
ilFormat = IL_PNG;
break;
case EncodedImageData::FORMAT_TGA:
default: // TGA is the default format
headerLen = 18;
bpp = 4;
size = h * w * bpp;
data = new ILubyte[size + headerLen];
// here's the header for the Targa file format.
data[0] = 0; // ID field size
data[1] = 0; // colormap type
data[2] = 2; // image type
data[3] = data[4] = 0; // colormap start
data[5] = data[6] = 0; // colormap length
data[7] = 32; // colormap bits
data[8] = data[9] = 0; // x origin
data[10] = data[11] = 0; // y origin
// Targa is little endian, so:
data[12] = w & 255; // least significant byte of width
data[13] = w >> 8; // most significant byte of width
data[14] = h & 255; // least significant byte of height
data[15] = h >> 8; // most significant byte of height
data[16] = bpp * 8; // bits per pixel
data[17] = 0x20; // descriptor bits (flip bits: 0x10 horizontal, 0x20 vertical)
// header done. write the pixel data to TGA:
data += headerLen;
ilCopyPixels(0,0,0,w,h,1,IL_BGRA,IL_UNSIGNED_BYTE,data); // convert the pixels to BGRA (remember, little-endian) and copy them to data
data -= headerLen;
}
return new EncodedImageData(data, f, size + headerLen, freeData);
}
void ImageData::freeData(void *data)
{
delete[] (ILubyte*) data;
ILuint size = ilSaveL(ilFormat, NULL, 0);
ILubyte * data = new ILubyte[size];
ilSaveL(ilFormat, data, size);
f->open(love::filesystem::File::WRITE);
f->write(data, size);
f->close();
delete[] data;
}
} // devil
+1 -4
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@@ -25,7 +25,6 @@
#include <filesystem/File.h>
#include <image/Image.h>
#include <image/ImageData.h>
#include <image/EncodedImageData.h>
// DevIL
#include <IL/il.h>
@@ -77,9 +76,7 @@ namespace devil
int getHeight() const ;
void setPixel(int x, int y, pixel c);
pixel getPixel(int x, int y) const;
EncodedImageData * encode(EncodedImageData::Format f);
static void freeData(void *data);
void encode(love::filesystem::File * f, Format format);
}; // ImageData
-4
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@@ -19,8 +19,6 @@
**/
#include "wrap_Image.h"
#include "image/EncodedImageData.h"
#include "image/wrap_EncodedImageData.h"
namespace love
{
@@ -33,13 +31,11 @@ namespace devil
// List of functions to wrap.
static const luaL_Reg functions[] = {
{ "newImageData", w_newImageData },
{ "newEncodedImageData", w_newEncodedImageData },
{ 0, 0 }
};
static const lua_CFunction types[] = {
luaopen_imagedata,
luaopen_encodedimagedata,
0
};
@@ -1,59 +0,0 @@
/**
* Copyright (c) 2006-2011 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#include "wrap_ImageData.h"
#include <common/wrap_Data.h>
namespace love
{
namespace image
{
EncodedImageData * luax_checkencodedimagedata(lua_State * L, int idx)
{
return luax_checktype<EncodedImageData>(L, idx, "EncodedImageData", IMAGE_ENCODED_IMAGE_DATA_T);
}
int w_EncodedImageData_getFormat(lua_State * L) {
EncodedImageData * e = luax_checkencodedimagedata(L, 1);
EncodedImageData::Format f = e->getFormat();
const char * fmt;
EncodedImageData::getConstant(f, fmt);
lua_pushstring(L, fmt);
return 1;
}
static const luaL_Reg functions[] = {
// Data
{ "getPointer", w_Data_getPointer },
{ "getSize", w_Data_getSize },
{ "getFormat", w_EncodedImageData_getFormat },
{ 0, 0 }
};
int luaopen_encodedimagedata(lua_State * L)
{
return luax_register_type(L, "EncodedImageData", functions);
}
} // image
} // love
-40
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@@ -1,40 +0,0 @@
/**
* Copyright (c) 2006-2011 LOVE Development Team
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
**/
#ifndef LOVE_IMAGE_WRAP_ENCODED_IMAGE_DATA_H
#define LOVE_IMAGE_WRAP_ENCODED_IMAGE_DATA_H
// LOVE
#include <common/runtime.h>
#include "ImageData.h"
namespace love
{
namespace image
{
EncodedImageData * luax_checkencodedimagedata(lua_State * L, int idx);
int w_EncodedImageData_getFormat(lua_State * L);
int luaopen_encodedimagedata(lua_State * L);
} // image
} // love
#endif // LOVE_IMAGE_WRAP_ENCODED_IMAGE_DATA_H
-13
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@@ -20,9 +20,6 @@
#include "wrap_Image.h"
#include "EncodedImageData.h"
#include "wrap_EncodedImageData.h"
#include <common/Data.h>
#include <common/StringMap.h>
@@ -77,15 +74,5 @@ namespace image
return 1;
}
int w_newEncodedImageData(lua_State * L) {
ImageData * t = luax_checkimagedata(L, 1);
const char * fmt = luaL_checkstring(L, 2);
EncodedImageData::Format f;
EncodedImageData::getConstant(fmt, f);
EncodedImageData * eid = t->encode(f);
luax_newtype(L, "EncodedImageData", IMAGE_ENCODED_IMAGE_DATA_T, (void*)eid);
return 1;
}
} // image
} // love
-1
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@@ -31,7 +31,6 @@ namespace image
{
int w_getFormats(lua_State * L);
int w_newImageData(lua_State * L);
int w_newEncodedImageData(lua_State * L);
extern "C" LOVE_EXPORT int luaopen_love_image(lua_State * L);
} // image
+14 -6
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@@ -21,6 +21,7 @@
#include "wrap_ImageData.h"
#include <common/wrap_Data.h>
#include <filesystem/File.h>
namespace love
{
@@ -130,12 +131,19 @@ namespace image
int w_ImageData_encode(lua_State * L)
{
ImageData * t = luax_checkimagedata(L, 1);
const char * fmt = luaL_checkstring(L, 2);
EncodedImageData::Format f;
EncodedImageData::getConstant(fmt, f);
EncodedImageData * eid = t->encode(f);
luax_newtype(L, "EncodedImageData", IMAGE_ENCODED_IMAGE_DATA_T, (void*)eid);
return 1;
if(lua_isstring(L, 2))
luax_convobj(L, 2, "filesystem", "newFile");
love::filesystem::File * file = luax_checktype<love::filesystem::File>(L, 2, "File", FILESYSTEM_FILE_T);
const char * fmt;
if (lua_isnoneornil(L, 3)) {
fmt = file->getExtension().c_str();
} else {
fmt = luaL_checkstring(L, 3);
}
ImageData::Format format;
ImageData::getConstant(fmt, format);
t->encode(file, format);
return 0;
}
static const luaL_Reg functions[] = {