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[libpng16] Removed non-working ICC profile support code. There was too much

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code for too little gain; implementing full ICC color correction is maybe
desireable but is left up to applications.
This commit is contained in:
John Bowler
2012-11-01 08:12:47 -05:00
committed by Glenn Randers-Pehrson
parent 7f912dbeb5
commit 520803d57e
12 changed files with 44 additions and 1382 deletions
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33
pngset.c
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@@ -578,7 +578,7 @@ png_set_sRGB(png_const_structrp png_ptr, png_inforp info_ptr, int srgb_intent)
if (png_ptr == NULL || info_ptr == NULL)
return;
png_colorspace_set_sRGB(png_ptr, &info_ptr->colorspace, srgb_intent);
(void)png_colorspace_set_sRGB(png_ptr, &info_ptr->colorspace, srgb_intent);
png_colorspace_sync_info(png_ptr, info_ptr);
}
@@ -1549,35 +1549,4 @@ png_set_check_for_invalid_index(png_structrp png_ptr, int allowed)
png_ptr->num_palette_max = -1;
}
#endif
#ifdef PNG_ICC_SUPPORTED
void PNGAPI
png_set_cms(png_structrp png_ptr, png_cms_datap cms_data_ptr,
png_cms_transform_ptr cms_transform_function)
{
png_ptr->cms_transform_fn = cms_transform_function;
png_ptr->cms_data_ptr = cms_data_ptr;
}
#ifdef PNG_READ_SUPPORTED
void PNGAPI
png_set_cms_output(png_structrp png_ptr, int bytes_per_pixel,
int rendering_intent)
{
if (png_ptr->mode & PNG_IS_READ_STRUCT)
{
png_ptr->cms_bytes_per_pixel = bytes_per_pixel;
png_ptr->cms_intent = rendering_intent;
/* A CMS must be registered before calling this */
if (png_ptr->cms_transform_fn == NULL)
png_app_error(png_ptr, "no CMS registered to transform output");
}
else
png_app_error(png_ptr, "attempt to do CMS tranform on write");
}
#endif /* PNG_READ_SUPPORTED */
#endif /* PNG_ICC_SUPPORTED */
#endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */