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don't strip profiles in XYZ2scRGB

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see

https://github.com/lovell/sharp/issues/125
This commit is contained in:
John Cupitt 2014-11-25 11:43:48 +00:00
parent 9a3fcc74c1
commit 4b51a9d61f
2 changed files with 15 additions and 12 deletions
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1
ChangeLog
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@ -3,6 +3,7 @@
- better pbm (one bit) load, better pfm (float) load/save - better pbm (one bit) load, better pfm (float) load/save
- added pbm (one bit) save - added pbm (one bit) save
- changed vips_gaussblur() parameters, sorry - changed vips_gaussblur() parameters, sorry
- fixed XYZ2scRGB profile handling, thanks Lovell
25/7/14 started 7.41.0 25/7/14 started 7.41.0
- start working on --disable-deprecated - start working on --disable-deprecated

26
libvips/colour/XYZ2scRGB.c
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@ -4,6 +4,8 @@
* - from Yxy2XYZ.c * - from Yxy2XYZ.c
* 1/7/13 * 1/7/13
* - remove any ICC profile * - remove any ICC profile
* 25/11/14
* - oh argh, revert the above
*/ */
/* /*
@ -50,20 +52,21 @@ typedef VipsColourSpaceClass VipsXYZ2scRGBClass;
G_DEFINE_TYPE( VipsXYZ2scRGB, vips_XYZ2scRGB, VIPS_TYPE_COLOUR_SPACE ); G_DEFINE_TYPE( VipsXYZ2scRGB, vips_XYZ2scRGB, VIPS_TYPE_COLOUR_SPACE );
static int /* We used to have the comment:
vips_XYZ2scRGB_build( VipsObject *object )
{
if( VIPS_OBJECT_CLASS( vips_XYZ2scRGB_parent_class )->build( object ) )
return( -1 );
/* We've converted to sRGB without a profile. We must remove any ICC * We've converted to sRGB without a profile. We must remove any ICC
* profile left over from import or there will be a mismatch between * profile left over from import or there will be a mismatch between
* pixel values and the attached profile. * pixel values and the attached profile.
*/
vips_image_remove( VIPS_COLOUR( object )->out, VIPS_META_ICC_NAME );
return( 0 ); But this isn't right, we often call things sRGB that we know are not true
} sRGB, for example:
vips sharpen k2.jpg x.jpg
sharpen will treat k2 as being in sRGB space even if that image has a
profile. If we drop the profile, x.jpg is suddenly untagged.
*/
void void
vips_XYZ2scRGB_line( VipsColour *colour, VipsPel *out, VipsPel **in, int width ) vips_XYZ2scRGB_line( VipsColour *colour, VipsPel *out, VipsPel **in, int width )
@ -100,7 +103,6 @@ vips_XYZ2scRGB_class_init( VipsXYZ2scRGBClass *class )
object_class->nickname = "XYZ2scRGB"; object_class->nickname = "XYZ2scRGB";
object_class->description = _( "transform XYZ to scRGB" ); object_class->description = _( "transform XYZ to scRGB" );
object_class->build = vips_XYZ2scRGB_build;
colour_class->process_line = vips_XYZ2scRGB_line; colour_class->process_line = vips_XYZ2scRGB_line;
} }
@ -119,7 +121,7 @@ vips_XYZ2scRGB_init( VipsXYZ2scRGB *XYZ2scRGB )
* @out: output image * @out: output image
* @...: %NULL-terminated list of optional named arguments * @...: %NULL-terminated list of optional named arguments
* *
* Turn XYZ to Yxy. * Turn XYZ to scRGB.
* *
* Returns: 0 on success, -1 on error * Returns: 0 on success, -1 on error
*/ */