diff options
Diffstat (limited to 'plugins/FreeImage/Source/LibMNG/libmng_cms.c')
| -rw-r--r-- | plugins/FreeImage/Source/LibMNG/libmng_cms.c | 758 |
1 files changed, 0 insertions, 758 deletions
diff --git a/plugins/FreeImage/Source/LibMNG/libmng_cms.c b/plugins/FreeImage/Source/LibMNG/libmng_cms.c deleted file mode 100644 index f215271f2a..0000000000 --- a/plugins/FreeImage/Source/LibMNG/libmng_cms.c +++ /dev/null @@ -1,758 +0,0 @@ -/* ************************************************************************** */
-/* * For conditions of distribution and use, * */
-/* * see copyright notice in libmng.h * */
-/* ************************************************************************** */
-/* * * */
-/* * project : libmng * */
-/* * file : libmng_cms.c copyright (c) 2000-2004 G.Juyn * */
-/* * version : 1.0.9 * */
-/* * * */
-/* * purpose : color management routines (implementation) * */
-/* * * */
-/* * author : G.Juyn * */
-/* * * */
-/* * comment : implementation of the color management routines * */
-/* * * */
-/* * changes : 0.5.1 - 05/01/2000 - G.Juyn * */
-/* * - B001(105795) - fixed a typo and misconception about * */
-/* * freeing allocated gamma-table. (reported by Marti Maria) * */
-/* * 0.5.1 - 05/08/2000 - G.Juyn * */
-/* * - changed strict-ANSI stuff * */
-/* * 0.5.1 - 05/09/2000 - G.Juyn * */
-/* * - filled application-based color-management routines * */
-/* * 0.5.1 - 05/11/2000 - G.Juyn * */
-/* * - added creatememprofile * */
-/* * - added callback error-reporting support * */
-/* * 0.5.1 - 05/12/2000 - G.Juyn * */
-/* * - changed trace to macro for callback error-reporting * */
-/* * * */
-/* * 0.5.2 - 06/10/2000 - G.Juyn * */
-/* * - fixed some compilation-warnings (contrib Jason Morris) * */
-/* * * */
-/* * 0.5.3 - 06/21/2000 - G.Juyn * */
-/* * - fixed problem with color-correction for stored images * */
-/* * 0.5.3 - 06/23/2000 - G.Juyn * */
-/* * - fixed problem with incorrect gamma-correction * */
-/* * * */
-/* * 0.9.2 - 08/05/2000 - G.Juyn * */
-/* * - changed file-prefixes * */
-/* * * */
-/* * 0.9.3 - 08/31/2000 - G.Juyn * */
-/* * - fixed sRGB precedence for gamma_only corection * */
-/* * * */
-/* * 0.9.4 - 12/16/2000 - G.Juyn * */
-/* * - fixed mixup of data- & function-pointers (thanks Dimitri)* */
-/* * * */
-/* * 1.0.1 - 03/31/2001 - G.Juyn * */
-/* * - ignore gamma=0 (see png-list for more info) * */
-/* * 1.0.1 - 04/25/2001 - G.Juyn (reported by Gregg Kelly) * */
-/* * - fixed problem with cms profile being created multiple * */
-/* * times when both iCCP & cHRM/gAMA are present * */
-/* * 1.0.1 - 04/25/2001 - G.Juyn * */
-/* * - moved mng_clear_cms to libmng_cms * */
-/* * 1.0.1 - 05/02/2001 - G.Juyn * */
-/* * - added "default" sRGB generation (Thanks Marti!) * */
-/* * * */
-/* * 1.0.5 - 08/19/2002 - G.Juyn * */
-/* * - B597134 - libmng pollutes the linker namespace * */
-/* * 1.0.5 - 09/19/2002 - G.Juyn * */
-/* * - optimized color-correction routines * */
-/* * 1.0.5 - 09/23/2002 - G.Juyn * */
-/* * - added in-memory color-correction of abstract images * */
-/* * 1.0.5 - 11/08/2002 - G.Juyn * */
-/* * - fixed issues in init_app_cms() * */
-/* * * */
-/* * 1.0.6 - 04/11/2003 - G.Juyn * */
-/* * - B719420 - fixed several MNG_APP_CMS problems * */
-/* * 1.0.6 - 07/11/2003 - G. R-P * */
-/* * - added conditional MNG_SKIPCHUNK_cHRM/iCCP * */
-/* * * */
-/* * 1.0.9 - 12/20/2004 - G.Juyn * */
-/* * - cleaned up macro-invocations (thanks to D. Airlie) * */
-/* * * */
-/* ************************************************************************** */
-
-#include "libmng.h"
-#include "libmng_data.h"
-#include "libmng_error.h"
-#include "libmng_trace.h"
-#ifdef __BORLANDC__
-#pragma hdrstop
-#endif
-#include "libmng_objects.h"
-#include "libmng_cms.h"
-
-#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI)
-#pragma option -A /* force ANSI-C */
-#endif
-
-/* ************************************************************************** */
-
-#ifdef MNG_INCLUDE_DISPLAY_PROCS
-
-/* ************************************************************************** */
-/* * * */
-/* * Little CMS helper routines * */
-/* * * */
-/* ************************************************************************** */
-
-#ifdef MNG_INCLUDE_LCMS
-
-#define MNG_CMS_FLAGS 0
-
-/* ************************************************************************** */
-
-void mnglcms_initlibrary ()
-{
- cmsErrorAction (LCMS_ERROR_IGNORE); /* LCMS should ignore errors! */
-}
-
-/* ************************************************************************** */
-
-mng_cmsprof mnglcms_createfileprofile (mng_pchar zFilename)
-{
- return cmsOpenProfileFromFile (zFilename, "r");
-}
-
-/* ************************************************************************** */
-
-mng_cmsprof mnglcms_creatememprofile (mng_uint32 iProfilesize,
- mng_ptr pProfile)
-{
- return cmsOpenProfileFromMem (pProfile, iProfilesize);
-}
-
-/* ************************************************************************** */
-
-mng_cmsprof mnglcms_createsrgbprofile (void)
-{
- cmsCIExyY D65;
- cmsCIExyYTRIPLE Rec709Primaries = {
- {0.6400, 0.3300, 1.0},
- {0.3000, 0.6000, 1.0},
- {0.1500, 0.0600, 1.0}
- };
- LPGAMMATABLE Gamma24[3];
- mng_cmsprof hsRGB;
-
- cmsWhitePointFromTemp(6504, &D65);
- Gamma24[0] = Gamma24[1] = Gamma24[2] = cmsBuildGamma(256, 2.4);
- hsRGB = cmsCreateRGBProfile(&D65, &Rec709Primaries, Gamma24);
- cmsFreeGamma(Gamma24[0]);
-
- return hsRGB;
-}
-
-/* ************************************************************************** */
-
-void mnglcms_freeprofile (mng_cmsprof hProf)
-{
- cmsCloseProfile (hProf);
- return;
-}
-
-/* ************************************************************************** */
-
-void mnglcms_freetransform (mng_cmstrans hTrans)
-{
-/* B001 start */
- cmsDeleteTransform (hTrans);
-/* B001 end */
- return;
-}
-
-/* ************************************************************************** */
-
-mng_retcode mng_clear_cms (mng_datap pData)
-{
-#ifdef MNG_SUPPORT_TRACE
- MNG_TRACE (pData, MNG_FN_CLEAR_CMS, MNG_LC_START);
-#endif
-
- if (pData->hTrans) /* transformation still active ? */
- mnglcms_freetransform (pData->hTrans);
-
- pData->hTrans = 0;
-
- if (pData->hProf1) /* file profile still active ? */
- mnglcms_freeprofile (pData->hProf1);
-
- pData->hProf1 = 0;
-
-#ifdef MNG_SUPPORT_TRACE
- MNG_TRACE (pData, MNG_FN_CLEAR_CMS, MNG_LC_END);
-#endif
-
- return MNG_NOERROR;
-}
-
-/* ************************************************************************** */
-
-#endif /* MNG_INCLUDE_LCMS */
-
-/* ************************************************************************** */
-/* * * */
-/* * Color-management initialization & correction routines * */
-/* * * */
-/* ************************************************************************** */
-
-#ifdef MNG_INCLUDE_LCMS
-
-mng_retcode mng_init_full_cms (mng_datap pData,
- mng_bool bGlobal,
- mng_bool bObject,
- mng_bool bRetrobj)
-{
- mng_cmsprof hProf;
- mng_cmstrans hTrans;
- mng_imagep pImage = MNG_NULL;
- mng_imagedatap pBuf = MNG_NULL;
-
-#ifdef MNG_SUPPORT_TRACE
- MNG_TRACE (pData, MNG_FN_INIT_FULL_CMS, MNG_LC_START);
-#endif
-
- if (bObject) /* use object if present ? */
- { /* current object ? */
- if ((mng_imagep)pData->pCurrentobj)
- pImage = (mng_imagep)pData->pCurrentobj;
- else /* if not; use object 0 */
- pImage = (mng_imagep)pData->pObjzero;
- }
-
- if (bRetrobj) /* retrieving from an object ? */
- pImage = (mng_imagep)pData->pRetrieveobj;
-
- if (pImage) /* are we using an object ? */
- pBuf = pImage->pImgbuf; /* then address the buffer */
-
- if ((!pBuf) || (!pBuf->bCorrected)) /* is the buffer already corrected ? */
- {
-#ifndef MNG_SKIPCHUNK_iCCP
- if (((pBuf) && (pBuf->bHasICCP)) || ((bGlobal) && (pData->bHasglobalICCP)))
- {
- if (!pData->hProf2) /* output profile not defined ? */
- { /* then assume sRGB !! */
- pData->hProf2 = mnglcms_createsrgbprofile ();
-
- if (!pData->hProf2) /* handle error ? */
- MNG_ERRORL (pData, MNG_LCMS_NOHANDLE);
- }
-
- if ((pBuf) && (pBuf->bHasICCP)) /* generate a profile handle */
- hProf = cmsOpenProfileFromMem (pBuf->pProfile, pBuf->iProfilesize);
- else
- hProf = cmsOpenProfileFromMem (pData->pGlobalProfile, pData->iGlobalProfilesize);
-
- pData->hProf1 = hProf; /* save for future use */
-
- if (!hProf) /* handle error ? */
- MNG_ERRORL (pData, MNG_LCMS_NOHANDLE);
-
-#ifndef MNG_NO_16BIT_SUPPORT
- if (pData->bIsRGBA16) /* 16-bit intermediates ? */
- hTrans = cmsCreateTransform (hProf, TYPE_RGBA_16_SE,
- pData->hProf2, TYPE_RGBA_16_SE,
- INTENT_PERCEPTUAL, MNG_CMS_FLAGS);
- else
-#endif
- hTrans = cmsCreateTransform (hProf, TYPE_RGBA_8,
- pData->hProf2, TYPE_RGBA_8,
- INTENT_PERCEPTUAL, MNG_CMS_FLAGS);
-
- pData->hTrans = hTrans; /* save for future use */
-
- if (!hTrans) /* handle error ? */
- MNG_ERRORL (pData, MNG_LCMS_NOTRANS);
- /* load color-correction routine */
- pData->fCorrectrow = (mng_fptr)mng_correct_full_cms;
-
- return MNG_NOERROR; /* and done */
- }
- else
-#endif
- if (((pBuf) && (pBuf->bHasSRGB)) || ((bGlobal) && (pData->bHasglobalSRGB)))
- {
- mng_uint8 iIntent;
-
- if (pData->bIssRGB) /* sRGB system ? */
- return MNG_NOERROR; /* no conversion required */
-
- if (!pData->hProf3) /* sRGB profile not defined ? */
- { /* then create it implicitly !! */
- pData->hProf3 = mnglcms_createsrgbprofile ();
-
- if (!pData->hProf3) /* handle error ? */
- MNG_ERRORL (pData, MNG_LCMS_NOHANDLE);
- }
-
- hProf = pData->hProf3; /* convert from sRGB profile */
-
- if ((pBuf) && (pBuf->bHasSRGB)) /* determine rendering intent */
- iIntent = pBuf->iRenderingintent;
- else
- iIntent = pData->iGlobalRendintent;
-
- if (pData->bIsRGBA16) /* 16-bit intermediates ? */
- hTrans = cmsCreateTransform (hProf, TYPE_RGBA_16_SE,
- pData->hProf2, TYPE_RGBA_16_SE,
- iIntent, MNG_CMS_FLAGS);
- else
- hTrans = cmsCreateTransform (hProf, TYPE_RGBA_8,
- pData->hProf2, TYPE_RGBA_8,
- iIntent, MNG_CMS_FLAGS);
-
- pData->hTrans = hTrans; /* save for future use */
-
- if (!hTrans) /* handle error ? */
- MNG_ERRORL (pData, MNG_LCMS_NOTRANS);
- /* load color-correction routine */
- pData->fCorrectrow = (mng_fptr)mng_correct_full_cms;
-
- return MNG_NOERROR; /* and done */
- }
- else
- if ( (((pBuf) && (pBuf->bHasCHRM)) || ((bGlobal) && (pData->bHasglobalCHRM))) &&
- ( ((pBuf) && (pBuf->bHasGAMA) && (pBuf->iGamma > 0)) ||
- ((bGlobal) && (pData->bHasglobalGAMA) && (pData->iGlobalGamma > 0)) ) )
- {
- mng_CIExyY sWhitepoint;
- mng_CIExyYTRIPLE sPrimaries;
- mng_gammatabp pGammatable[3];
- mng_float dGamma;
-
- if (!pData->hProf2) /* output profile not defined ? */
- { /* then assume sRGB !! */
- pData->hProf2 = mnglcms_createsrgbprofile ();
-
- if (!pData->hProf2) /* handle error ? */
- MNG_ERRORL (pData, MNG_LCMS_NOHANDLE);
- }
-
-#ifndef MNG_SKIPCHUNK_cHRM
- if ((pBuf) && (pBuf->bHasCHRM)) /* local cHRM ? */
- {
- sWhitepoint.x = (mng_float)pBuf->iWhitepointx / 100000;
- sWhitepoint.y = (mng_float)pBuf->iWhitepointy / 100000;
- sPrimaries.Red.x = (mng_float)pBuf->iPrimaryredx / 100000;
- sPrimaries.Red.y = (mng_float)pBuf->iPrimaryredy / 100000;
- sPrimaries.Green.x = (mng_float)pBuf->iPrimarygreenx / 100000;
- sPrimaries.Green.y = (mng_float)pBuf->iPrimarygreeny / 100000;
- sPrimaries.Blue.x = (mng_float)pBuf->iPrimarybluex / 100000;
- sPrimaries.Blue.y = (mng_float)pBuf->iPrimarybluey / 100000;
- }
- else
- {
- sWhitepoint.x = (mng_float)pData->iGlobalWhitepointx / 100000;
- sWhitepoint.y = (mng_float)pData->iGlobalWhitepointy / 100000;
- sPrimaries.Red.x = (mng_float)pData->iGlobalPrimaryredx / 100000;
- sPrimaries.Red.y = (mng_float)pData->iGlobalPrimaryredy / 100000;
- sPrimaries.Green.x = (mng_float)pData->iGlobalPrimarygreenx / 100000;
- sPrimaries.Green.y = (mng_float)pData->iGlobalPrimarygreeny / 100000;
- sPrimaries.Blue.x = (mng_float)pData->iGlobalPrimarybluex / 100000;
- sPrimaries.Blue.y = (mng_float)pData->iGlobalPrimarybluey / 100000;
- }
-#endif
-
- sWhitepoint.Y = /* Y component is always 1.0 */
- sPrimaries.Red.Y =
- sPrimaries.Green.Y =
- sPrimaries.Blue.Y = 1.0;
-
- if ((pBuf) && (pBuf->bHasGAMA)) /* get the gamma value */
- dGamma = (mng_float)pBuf->iGamma / 100000;
- else
- dGamma = (mng_float)pData->iGlobalGamma / 100000;
-
- dGamma = pData->dViewgamma / dGamma;
-
- pGammatable [0] = /* and build the lookup tables */
- pGammatable [1] =
- pGammatable [2] = cmsBuildGamma (256, dGamma);
-
- if (!pGammatable [0]) /* enough memory ? */
- MNG_ERRORL (pData, MNG_LCMS_NOMEM);
- /* create the profile */
- hProf = cmsCreateRGBProfile (&sWhitepoint, &sPrimaries, pGammatable);
-
- cmsFreeGamma (pGammatable [0]); /* free the temporary gamma tables ? */
- /* yes! but just the one! */
-
- pData->hProf1 = hProf; /* save for future use */
-
- if (!hProf) /* handle error ? */
- MNG_ERRORL (pData, MNG_LCMS_NOHANDLE);
-
- if (pData->bIsRGBA16) /* 16-bit intermediates ? */
- hTrans = cmsCreateTransform (hProf, TYPE_RGBA_16_SE,
- pData->hProf2, TYPE_RGBA_16_SE,
- INTENT_PERCEPTUAL, MNG_CMS_FLAGS);
- else
- hTrans = cmsCreateTransform (hProf, TYPE_RGBA_8,
- pData->hProf2, TYPE_RGBA_8,
- INTENT_PERCEPTUAL, MNG_CMS_FLAGS);
-
- pData->hTrans = hTrans; /* save for future use */
-
- if (!hTrans) /* handle error ? */
- MNG_ERRORL (pData, MNG_LCMS_NOTRANS);
- /* load color-correction routine */
- pData->fCorrectrow = (mng_fptr)mng_correct_full_cms;
-
- return MNG_NOERROR; /* and done */
- }
- }
-
-#ifdef MNG_SUPPORT_TRACE
- MNG_TRACE (pData, MNG_FN_INIT_FULL_CMS, MNG_LC_END);
-#endif
- /* if we get here, we'll only do gamma */
- return mng_init_gamma_only (pData, bGlobal, bObject, bRetrobj);
-}
-#endif /* MNG_INCLUDE_LCMS */
-
-/* ************************************************************************** */
-
-#ifdef MNG_INCLUDE_LCMS
-mng_retcode mng_correct_full_cms (mng_datap pData)
-{
-#ifdef MNG_SUPPORT_TRACE
- MNG_TRACE (pData, MNG_FN_CORRECT_FULL_CMS, MNG_LC_START);
-#endif
-
- cmsDoTransform (pData->hTrans, pData->pRGBArow, pData->pRGBArow, pData->iRowsamples);
-
-#ifdef MNG_SUPPORT_TRACE
- MNG_TRACE (pData, MNG_FN_CORRECT_FULL_CMS, MNG_LC_END);
-#endif
-
- return MNG_NOERROR;
-}
-#endif /* MNG_INCLUDE_LCMS */
-
-/* ************************************************************************** */
-
-#if defined(MNG_GAMMA_ONLY) || defined(MNG_FULL_CMS) || defined(MNG_APP_CMS)
-mng_retcode mng_init_gamma_only (mng_datap pData,
- mng_bool bGlobal,
- mng_bool bObject,
- mng_bool bRetrobj)
-{
- mng_float dGamma;
- mng_imagep pImage = MNG_NULL;
- mng_imagedatap pBuf = MNG_NULL;
-
-#ifdef MNG_SUPPORT_TRACE
- MNG_TRACE (pData, MNG_FN_INIT_GAMMA_ONLY, MNG_LC_START);
-#endif
-
- if (bObject) /* use object if present ? */
- { /* current object ? */
- if ((mng_imagep)pData->pCurrentobj)
- pImage = (mng_imagep)pData->pCurrentobj;
- else /* if not; use object 0 */
- pImage = (mng_imagep)pData->pObjzero;
- }
-
- if (bRetrobj) /* retrieving from an object ? */
- pImage = (mng_imagep)pData->pRetrieveobj;
-
- if (pImage) /* are we using an object ? */
- pBuf = pImage->pImgbuf; /* then address the buffer */
-
- if ((!pBuf) || (!pBuf->bCorrected)) /* is the buffer already corrected ? */
- {
- if ((pBuf) && (pBuf->bHasSRGB)) /* get the gamma value */
- dGamma = 0.45455;
- else
- if ((pBuf) && (pBuf->bHasGAMA))
- dGamma = (mng_float)pBuf->iGamma / 100000;
- else
- if ((bGlobal) && (pData->bHasglobalSRGB))
- dGamma = 0.45455;
- else
- if ((bGlobal) && (pData->bHasglobalGAMA))
- dGamma = (mng_float)pData->iGlobalGamma / 100000;
- else
- dGamma = pData->dDfltimggamma;
-
- if (dGamma > 0) /* ignore gamma=0 */
- {
- dGamma = pData->dViewgamma / (dGamma * pData->dDisplaygamma);
-
- if (dGamma != pData->dLastgamma) /* lookup table needs to be computed ? */
- {
- mng_int32 iX;
-
- pData->aGammatab [0] = 0;
-
- for (iX = 1; iX <= 255; iX++)
- pData->aGammatab [iX] = (mng_uint8)(pow (iX / 255.0, dGamma) * 255 + 0.5);
-
- pData->dLastgamma = dGamma; /* keep for next time */
- }
- /* load color-correction routine */
- pData->fCorrectrow = (mng_fptr)mng_correct_gamma_only;
- }
- }
-
-#ifdef MNG_SUPPORT_TRACE
- MNG_TRACE (pData, MNG_FN_INIT_GAMMA_ONLY, MNG_LC_END);
-#endif
-
- return MNG_NOERROR;
-}
-#endif /* MNG_GAMMA_ONLY || MNG_FULL_CMS || MNG_APP_CMS */
-
-/* ************************************************************************** */
-
-#if defined(MNG_GAMMA_ONLY) || defined(MNG_FULL_CMS) || defined(MNG_APP_CMS)
-mng_retcode mng_correct_gamma_only (mng_datap pData)
-{
- mng_uint8p pWork;
- mng_int32 iX;
-
-#ifdef MNG_SUPPORT_TRACE
- MNG_TRACE (pData, MNG_FN_CORRECT_GAMMA_ONLY, MNG_LC_START);
-#endif
-
- pWork = pData->pRGBArow; /* address intermediate row */
-
- if (pData->bIsRGBA16) /* 16-bit intermediate row ? */
- {
-
-
- /* TODO: 16-bit precision gamma processing */
- /* we'll just do the high-order byte for now */
-
-
- /* convert all samples in the row */
- for (iX = 0; iX < pData->iRowsamples; iX++)
- { /* using the precalculated gamma lookup table */
- *pWork = pData->aGammatab [*pWork];
- *(pWork+2) = pData->aGammatab [*(pWork+2)];
- *(pWork+4) = pData->aGammatab [*(pWork+4)];
-
- pWork += 8;
- }
- }
- else
- { /* convert all samples in the row */
- for (iX = 0; iX < pData->iRowsamples; iX++)
- { /* using the precalculated gamma lookup table */
- *pWork = pData->aGammatab [*pWork];
- *(pWork+1) = pData->aGammatab [*(pWork+1)];
- *(pWork+2) = pData->aGammatab [*(pWork+2)];
-
- pWork += 4;
- }
- }
-
-#ifdef MNG_SUPPORT_TRACE
- MNG_TRACE (pData, MNG_FN_CORRECT_GAMMA_ONLY, MNG_LC_END);
-#endif
-
- return MNG_NOERROR;
-}
-#endif /* MNG_GAMMA_ONLY || MNG_FULL_CMS || MNG_APP_CMS */
-
-/* ************************************************************************** */
-
-#ifdef MNG_APP_CMS
-mng_retcode mng_init_app_cms (mng_datap pData,
- mng_bool bGlobal,
- mng_bool bObject,
- mng_bool bRetrobj)
-{
- mng_imagep pImage = MNG_NULL;
- mng_imagedatap pBuf = MNG_NULL;
- mng_bool bDone = MNG_FALSE;
- mng_retcode iRetcode;
-
-#ifdef MNG_SUPPORT_TRACE
- MNG_TRACE (pData, MNG_FN_INIT_APP_CMS, MNG_LC_START);
-#endif
-
- if (bObject) /* use object if present ? */
- { /* current object ? */
- if ((mng_imagep)pData->pCurrentobj)
- pImage = (mng_imagep)pData->pCurrentobj;
- else /* if not; use object 0 */
- pImage = (mng_imagep)pData->pObjzero;
- }
-
- if (bRetrobj) /* retrieving from an object ? */
- pImage = (mng_imagep)pData->pRetrieveobj;
-
- if (pImage) /* are we using an object ? */
- pBuf = pImage->pImgbuf; /* then address the buffer */
-
- if ((!pBuf) || (!pBuf->bCorrected)) /* is the buffer already corrected ? */
- {
-#ifndef MNG_SKIPCHUNK_iCCP
- if ( (pData->fProcessiccp) &&
- (((pBuf) && (pBuf->bHasICCP)) || ((bGlobal) && (pData->bHasglobalICCP))) )
- {
- mng_uint32 iProfilesize;
- mng_ptr pProfile;
-
- if ((pBuf) && (pBuf->bHasICCP)) /* get the right profile */
- {
- iProfilesize = pBuf->iProfilesize;
- pProfile = pBuf->pProfile;
- }
- else
- {
- iProfilesize = pData->iGlobalProfilesize;
- pProfile = pData->pGlobalProfile;
- }
- /* inform the app */
- if (!pData->fProcessiccp ((mng_handle)pData, iProfilesize, pProfile))
- MNG_ERROR (pData, MNG_APPCMSERROR);
- /* load color-correction routine */
- pData->fCorrectrow = (mng_fptr)mng_correct_app_cms;
- bDone = MNG_TRUE;
- }
-#endif
-
- if ( (pData->fProcesssrgb) &&
- (((pBuf) && (pBuf->bHasSRGB)) || ((bGlobal) && (pData->bHasglobalSRGB))) )
- {
- mng_uint8 iIntent;
-
- if ((pBuf) && (pBuf->bHasSRGB)) /* determine rendering intent */
- iIntent = pBuf->iRenderingintent;
- else
- iIntent = pData->iGlobalRendintent;
- /* inform the app */
- if (!pData->fProcesssrgb ((mng_handle)pData, iIntent))
- MNG_ERROR (pData, MNG_APPCMSERROR);
- /* load color-correction routine */
- pData->fCorrectrow = (mng_fptr)mng_correct_app_cms;
- bDone = MNG_TRUE;
- }
-
-#ifndef MNG_SKIPCHUNK_cHRM
- if ( (pData->fProcesschroma) &&
- (((pBuf) && (pBuf->bHasCHRM)) || ((bGlobal) && (pData->bHasglobalCHRM))) )
- {
- mng_uint32 iWhitepointx, iWhitepointy;
- mng_uint32 iPrimaryredx, iPrimaryredy;
- mng_uint32 iPrimarygreenx, iPrimarygreeny;
- mng_uint32 iPrimarybluex, iPrimarybluey;
-
- if ((pBuf) && (pBuf->bHasCHRM)) /* local cHRM ? */
- {
- iWhitepointx = pBuf->iWhitepointx;
- iWhitepointy = pBuf->iWhitepointy;
- iPrimaryredx = pBuf->iPrimaryredx;
- iPrimaryredy = pBuf->iPrimaryredy;
- iPrimarygreenx = pBuf->iPrimarygreenx;
- iPrimarygreeny = pBuf->iPrimarygreeny;
- iPrimarybluex = pBuf->iPrimarybluex;
- iPrimarybluey = pBuf->iPrimarybluey;
- }
- else
- {
- iWhitepointx = pData->iGlobalWhitepointx;
- iWhitepointy = pData->iGlobalWhitepointy;
- iPrimaryredx = pData->iGlobalPrimaryredx;
- iPrimaryredy = pData->iGlobalPrimaryredy;
- iPrimarygreenx = pData->iGlobalPrimarygreenx;
- iPrimarygreeny = pData->iGlobalPrimarygreeny;
- iPrimarybluex = pData->iGlobalPrimarybluex;
- iPrimarybluey = pData->iGlobalPrimarybluey;
- }
- /* inform the app */
- if (!pData->fProcesschroma ((mng_handle)pData, iWhitepointx, iWhitepointy,
- iPrimaryredx, iPrimaryredy,
- iPrimarygreenx, iPrimarygreeny,
- iPrimarybluex, iPrimarybluey))
- MNG_ERROR (pData, MNG_APPCMSERROR);
- /* load color-correction routine */
- pData->fCorrectrow = (mng_fptr)mng_correct_app_cms;
- bDone = MNG_TRUE;
- }
-#endif
-
- if ( (pData->fProcessgamma) &&
- (((pBuf) && (pBuf->bHasGAMA)) || ((bGlobal) && (pData->bHasglobalGAMA))) )
- {
- mng_uint32 iGamma;
-
- if ((pBuf) && (pBuf->bHasGAMA)) /* get the gamma value */
- iGamma = pBuf->iGamma;
- else
- iGamma = pData->iGlobalGamma;
- /* inform the app */
- if (!pData->fProcessgamma ((mng_handle)pData, iGamma))
- { /* app wants us to use internal routines ! */
- iRetcode = mng_init_gamma_only (pData, bGlobal, bObject, bRetrobj);
- if (iRetcode) /* on error bail out */
- return iRetcode;
- }
- else
- { /* load color-correction routine */
- pData->fCorrectrow = (mng_fptr)mng_correct_app_cms;
- }
-
- bDone = MNG_TRUE;
- }
-
- if (!bDone) /* no color-info at all ? */
- {
- /* then use default image gamma ! */
- if (!pData->fProcessgamma ((mng_handle)pData,
- (mng_uint32)((pData->dDfltimggamma * 100000) + 0.5)))
- { /* app wants us to use internal routines ! */
- iRetcode = mng_init_gamma_only (pData, bGlobal, bObject, bRetrobj);
- if (iRetcode) /* on error bail out */
- return iRetcode;
- }
- else
- { /* load color-correction routine */
- pData->fCorrectrow = (mng_fptr)mng_correct_app_cms;
- }
- }
- }
-
-#ifdef MNG_SUPPORT_TRACE
- MNG_TRACE (pData, MNG_FN_INIT_APP_CMS, MNG_LC_END);
-#endif
-
- return MNG_NOERROR;
-}
-#endif /* MNG_APP_CMS */
-
-/* ************************************************************************** */
-
-#ifdef MNG_APP_CMS
-mng_retcode mng_correct_app_cms (mng_datap pData)
-{
-#ifdef MNG_SUPPORT_TRACE
- MNG_TRACE (pData, MNG_FN_CORRECT_APP_CMS, MNG_LC_START);
-#endif
-
- if (pData->fProcessarow) /* let the app do something with our row */
- if (!pData->fProcessarow ((mng_handle)pData, pData->iRowsamples,
- pData->bIsRGBA16, pData->pRGBArow))
- MNG_ERROR (pData, MNG_APPCMSERROR);
-
-#ifdef MNG_SUPPORT_TRACE
- MNG_TRACE (pData, MNG_FN_CORRECT_APP_CMS, MNG_LC_END);
-#endif
-
- return MNG_NOERROR;
-}
-#endif /* MNG_APP_CMS */
-
-/* ************************************************************************** */
-
-#endif /* MNG_INCLUDE_DISPLAY_PROCS */
-
-/* ************************************************************************** */
-/* * end of file * */
-/* ************************************************************************** */
-
-
-
|