workbench/libs/lcms2/testbed/testthread.cpp

   1
   2 #include <windows.h>
   3 #include "lcms.h"
   4
   5 static cmsHPROFILE prof_xyz,prof_rgb;
   6 static cmsHTRANSFORM trans_xyz_to_rgb,trans_rgb_to_xyz;
   7
   8 static DWORD WINAPI make_trans_xyz_to_rgb(LPVOID lpParameter)
   9 {
  10  trans_xyz_to_rgb = cmsCreateTransform(
  11   prof_xyz,TYPE_XYZ_DBL,
  12   prof_rgb,TYPE_RGB_DBL,
  13   INTENT_ABSOLUTE_COLORIMETRIC,cmsFLAGS_NOTPRECALC);
  14  return 0;
  15 }
  16
  17 static DWORD WINAPI make_trans_rgb_to_xyz(LPVOID lpParameter)
  18 {
  19  trans_rgb_to_xyz = cmsCreateTransform(
  20   prof_rgb,TYPE_RGB_DBL,
  21   prof_xyz,TYPE_XYZ_DBL,
  22   INTENT_ABSOLUTE_COLORIMETRIC,cmsFLAGS_NOTPRECALC);
  23  return 0;
  24 }
  25
  26 int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR
  27 lpCmdLine,int nCmdShow)
  28 {
  29  prof_xyz = cmsCreateXYZProfile();
  30  prof_rgb = cmsOpenProfileFromFile("AdobeRGB1998.icc","rb");
  31 //cmsCreate_sRGBProfile();
  32  for (int i=0;i<10;++i)
  33  {
  34 #define try_threads
  35 #ifdef try_threads
  36   DWORD threadid;
  37   HANDLE workers[2];
  38   workers[0] = CreateThread(NULL,0,make_trans_xyz_to_rgb,NULL,0,&threadid);
  39   workers[1] = CreateThread(NULL,0,make_trans_rgb_to_xyz,NULL,0,&threadid);
  40   WaitForMultipleObjects(2,workers,TRUE,INFINITE);
  41   for (unsigned i=0;i<2;++i)
  42    CloseHandle(workers[i]);
  43 #else
  44   make_trans_xyz_to_rgb(0);
  45   make_trans_rgb_to_xyz(0);
  46 #endif
  47   cmsDeleteTransform(trans_xyz_to_rgb);
  48   cmsDeleteTransform(trans_rgb_to_xyz);
  49  }
  50  cmsCloseProfile(prof_rgb);
  51  cmsCloseProfile(prof_xyz);
  52 }