/******************************************************************************
* CreateColorTransformW [MSCMS.@]
*
* Create a color transform.
*
* PARAMS
* space [I] Input color space.
* dest [I] Color profile of destination device.
* target [I] Color profile of target device.
* flags [I] Flags.
*
* RETURNS
* Success: Handle to a transform.
* Failure: NULL
*/
HTRANSFORM WINAPI CreateColorTransformW( LPLOGCOLORSPACEW space, HPROFILE dest,
HPROFILE target, DWORD flags )
{
HTRANSFORM ret = NULL;
#ifdef HAVE_LCMS
struct transform transform;
struct profile *dst, *tgt = NULL;
cmsHPROFILE cmsinput, cmsoutput, cmstarget = NULL;
DWORD in_format, out_format, proofing = 0;
int intent;
TRACE( "( %p, %p, %p, 0x%08x )\n", space, dest, target, flags );
if (!space || !(dst = grab_profile( dest ))) return FALSE;
if (target && !(tgt = grab_profile( target )))
{
release_profile( dst );
return FALSE;
}
intent = space->lcsIntent > 3 ? INTENT_PERCEPTUAL : space->lcsIntent;
TRACE( "lcsIntent: %x\n", space->lcsIntent );
TRACE( "lcsCSType: %s\n", MSCMS_dbgstr_tag( space->lcsCSType ) );
TRACE( "lcsFilename: %s\n", debugstr_w( space->lcsFilename ) );
in_format = TYPE_RGB_16;
out_format = from_profile( dest );
cmsinput = cmsCreate_sRGBProfile(); /* FIXME: create from supplied color space */
if (target)
{
proofing = cmsFLAGS_SOFTPROOFING;
cmstarget = tgt->cmsprofile;
}
cmsoutput = dst->cmsprofile;
transform.cmstransform = cmsCreateProofingTransform(cmsinput, in_format, cmsoutput, out_format, cmstarget,
intent, INTENT_ABSOLUTE_COLORIMETRIC, proofing);
ret = create_transform( &transform );
if (tgt) release_profile( tgt );
release_profile( dst );
#endif /* HAVE_LCMS */
return ret;
}
static DWORD from_profile( HPROFILE profile )
{
PROFILEHEADER header;
GetColorProfileHeader( profile, &header );
TRACE( "color space: 0x%08x %s\n", header.phDataColorSpace, MSCMS_dbgstr_tag( header.phDataColorSpace ) );
switch (header.phDataColorSpace)
{
case 0x434d594b: return TYPE_CMYK_16; /* 'CMYK' */
case 0x47524159: return TYPE_GRAY_16; /* 'GRAY' */
case 0x4c616220: return TYPE_Lab_16; /* 'Lab ' */
case 0x52474220: return TYPE_RGB_16; /* 'RGB ' */
case 0x58595a20: return TYPE_XYZ_16; /* 'XYZ ' */
default:
WARN("unhandled format\n");
return TYPE_RGB_16;
}
}
BOOL WINAPI SelectCMM( DWORD id )
{
FIXME( "(%s) stub\n", MSCMS_dbgstr_tag(id) );
return TRUE;
}
BOOL WINAPI UnregisterCMMW( PCWSTR machine, DWORD id )
{
FIXME( "( %p, %s ) stub\n", machine, MSCMS_dbgstr_tag(id) );
return TRUE;
}
BOOL WINAPI RegisterCMMW( PCWSTR machine, DWORD id, PCWSTR dll )
{
FIXME( "( %p, %s, %p ) stub\n", machine, MSCMS_dbgstr_tag(id), dll );
return TRUE;
}
