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

jni/lcms2-2.2/testbed/testthread.cpp

@@ -0,0 +1,52 @@
+
+#include <windows.h>
+#include "lcms.h"
+
+static cmsHPROFILE prof_xyz,prof_rgb;
+static cmsHTRANSFORM trans_xyz_to_rgb,trans_rgb_to_xyz;
+
+static DWORD WINAPI make_trans_xyz_to_rgb(LPVOID lpParameter)
+{
+ trans_xyz_to_rgb = cmsCreateTransform(
+  prof_xyz,TYPE_XYZ_DBL,
+  prof_rgb,TYPE_RGB_DBL,
+  INTENT_ABSOLUTE_COLORIMETRIC,cmsFLAGS_NOTPRECALC);
+ return 0;
+}
+
+static DWORD WINAPI make_trans_rgb_to_xyz(LPVOID lpParameter)
+{
+ trans_rgb_to_xyz = cmsCreateTransform(
+  prof_rgb,TYPE_RGB_DBL,
+  prof_xyz,TYPE_XYZ_DBL,
+  INTENT_ABSOLUTE_COLORIMETRIC,cmsFLAGS_NOTPRECALC);
+ return 0;
+}
+
+int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR
+lpCmdLine,int nCmdShow)
+{
+ prof_xyz = cmsCreateXYZProfile();
+ prof_rgb = cmsOpenProfileFromFile("AdobeRGB1998.icc","rb");
+//cmsCreate_sRGBProfile();
+ for (int i=0;i<10;++i)
+ {
+#define try_threads
+#ifdef try_threads
+  DWORD threadid;
+  HANDLE workers[2];
+  workers[0] = CreateThread(NULL,0,make_trans_xyz_to_rgb,NULL,0,&threadid);
+  workers[1] = CreateThread(NULL,0,make_trans_rgb_to_xyz,NULL,0,&threadid);
+  WaitForMultipleObjects(2,workers,TRUE,INFINITE);
+  for (unsigned i=0;i<2;++i)
+   CloseHandle(workers[i]);
+#else
+  make_trans_xyz_to_rgb(0);
+  make_trans_rgb_to_xyz(0);
+#endif
+  cmsDeleteTransform(trans_xyz_to_rgb);
+  cmsDeleteTransform(trans_rgb_to_xyz);
+ }
+ cmsCloseProfile(prof_rgb);
+ cmsCloseProfile(prof_xyz);
+}