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il_profiles.c
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Compress-Decompress algrithms

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Visual C++

il_profiles.c：Code Content
  1. //-----------------------------------------------------------------------------
  2. //
  3. // ImageLib Sources
  4. // Copyright (C) 2000-2002 by Denton Woods
  5. // Last modified: 01/23/2001 <--Y2K Compliant! =]
  6. //
  7. // Filename: src-IL/src/il_profiles.c
  8. //
  9. // Description: Colour profile handler
  10. //
  11. //-----------------------------------------------------------------------------
  13. #include "il_internal.h"
  14. #ifndef IL_NO_LCMS
  16. #ifdef PACKAGE_NAME
  17. #define IL_PACKAGE_NAME PACKAGE_NAME;
  18. #undef  PACKAGE_NAME
  19. #endif
  21. #if (!defined(_WIN32) && !defined(_WIN64))
  22. #define NON_WINDOWS 1
  23. #ifdef LCMS_NODIRINCLUDE
  24. #include <lcms.h>
  25. #else
  26. #include <lcms/lcms.h>
  27. #endif
  29. #else
  30. #if defined(IL_USE_PRAGMA_LIBS)
  31. #if defined(_MSC_VER) || defined(__BORLANDC__)
  32. #ifndef _DEBUG
  33. #pragma comment(lib, "lcms.lib")
  34. #else
  35. #pragma comment(lib, "lcms-d.lib")
  36. #endif
  37. #endif
  38. #endif
  40. #include <lcms.h>
  41. #endif//_WIN32
  43. #ifdef PACKAGE_NAME
  44. #undef PACKAGE_NAME
  45. #endif
  47. #ifdef IL_PACKAGE_NAME
  48. #define PACKAGE_NAME IL_PACKAGE_NAME
  49. #undef  IL_PACKAGE_NAME
  50. #endif
  52. #endif//IL_NO_LCMS
  54. ILboolean ILAPIENTRY ilApplyProfile(ILstring InProfile, ILstring OutProfile)
  55. {
  56. #ifndef IL_NO_LCMS
  57. cmsHPROFILE hInProfile, hOutProfile;
  58. cmsHTRANSFORM hTransform;
  59. ILubyte *Temp;
  60. ILint Format=0;
  61. #ifdef _UNICODE
  62. char AnsiName[512];
  63. #endif//_UNICODE
  65. if (iCurImage == NULL) {
  66. ilSetError(IL_ILLEGAL_OPERATION);
  67. return IL_FALSE;
  68. }
  70. switch (iCurImage->Type)
  71. {
  72. case IL_BYTE:
  73. case IL_UNSIGNED_BYTE:
  74. switch (iCurImage->Format)
  75. {
  76. case IL_LUMINANCE:
  77. Format = TYPE_GRAY_8;
  78. break;
  79. case IL_RGB:
  80. Format = TYPE_RGB_8;
  81. break;
  82. case IL_BGR:
  83. Format = TYPE_BGR_8;
  84. break;
  85. case IL_RGBA:
  86. Format = TYPE_RGBA_8;
  87. break;
  88. case IL_BGRA:
  89. Format = TYPE_BGRA_8;
  90. break;
  91. default:
  92. ilSetError(IL_INTERNAL_ERROR);
  93. return IL_FALSE;
  94. }
  95. break;
  97. case IL_SHORT:
  98. case IL_UNSIGNED_SHORT:
  99. switch (iCurImage->Format)
  100. {
  101. case IL_LUMINANCE:
  102. Format = TYPE_GRAY_16;
  103. break;
  104. case IL_RGB:
  105. Format = TYPE_RGB_16;
  106. break;
  107. case IL_BGR:
  108. Format = TYPE_BGR_16;
  109. break;
  110. case IL_RGBA:
  111. Format = TYPE_RGBA_16;
  112. break;
  113. case IL_BGRA:
  114. Format = TYPE_BGRA_16;
  115. break;
  116. default:
  117. ilSetError(IL_INTERNAL_ERROR);
  118. return IL_FALSE;
  119. }
  120. break;
  122. // These aren't supported right now.
  123. case IL_INT:
  124. case IL_UNSIGNED_INT:
  125. case IL_FLOAT:
  126. case IL_DOUBLE:
  127. ilSetError(IL_ILLEGAL_OPERATION);
  128. return IL_FALSE;
  129. }
  132. if (InProfile == NULL) {
  133. if (!iCurImage->Profile || !iCurImage->ProfileSize) {
  134. ilSetError(IL_INVALID_PARAM);
  135. return IL_FALSE;
  136. }
  137. hInProfile = iCurImage->Profile;
  138. }
  139. else {
  140. #ifndef _UNICODE
  141.   hInProfile = cmsOpenProfileFromFile(InProfile, "r");
  142. #else
  143. wcstombs(AnsiName, InProfile, 512);
  144. hInProfile = cmsOpenProfileFromFile(AnsiName, "r");
  145. #endif//_UNICODE
  146. }
  147. #ifndef _UNICODE
  148.   hOutProfile = cmsOpenProfileFromFile(OutProfile, "r");
  149. #else
  150. wcstombs(AnsiName, OutProfile, 512);
  151. hOutProfile = cmsOpenProfileFromFile(AnsiName, "r");
  152. #endif//_UNICODE
  154. hTransform = cmsCreateTransform(hInProfile, Format, hOutProfile, Format, INTENT_PERCEPTUAL, 0);
  156. Temp = (ILubyte*)ialloc(iCurImage->SizeOfData);
  157. if (Temp == NULL) {
  158. return IL_FALSE;
  159. }
  161. cmsDoTransform(hTransform, iCurImage->Data, Temp, iCurImage->SizeOfData / 3);
  163. ifree(iCurImage->Data);
  164. iCurImage->Data = Temp;
  166. cmsDeleteTransform(hTransform);
  167. if (InProfile != NULL)
  168. cmsCloseProfile(hInProfile);
  169. cmsCloseProfile(hOutProfile);
  171. #endif//IL_NO_LCMS
  173. return IL_TRUE;
  174. }