Commit 9fc64e36 authored by Michael Natterer's avatar Michael Natterer 😴

Bug 492048 - Detect color space in Exif 2.21/DCF 2.0 option files

Add gimp_color_profile_new_adobe_rgb(), will need this later to fix
this bug.
parent e4d5f053
......@@ -38,6 +38,7 @@ EXPORTS
gimp_color_profile_is_cmyk
gimp_color_profile_is_equal
gimp_color_profile_is_rgb
gimp_color_profile_new_adobe_rgb
gimp_color_profile_new_from_file
gimp_color_profile_new_from_icc_profile
gimp_color_profile_new_from_lcms_profile
......
......@@ -840,6 +840,84 @@ gimp_color_profile_new_linear_rgb (void)
return gimp_color_profile_new_from_icc_profile (data, length, NULL);
}
static cmsHPROFILE *
gimp_color_profile_new_adobe_rgb_internal (void)
{
cmsHPROFILE profile;
cmsCIExyY d65_srgb_specs = { 0.3127, 0.3290, 1.0 };
/* AdobeRGB1998 and sRGB have the same white point.
*
* The primaries below are technically correct, but because of
* hexadecimal rounding these primaries don't make a profile that
* matches the original.
*
* cmsCIExyYTRIPLE adobe_primaries = {
* { 0.6400, 0.3300, 1.0 },
* { 0.2100, 0.7100, 1.0 },
* { 0.1500, 0.0600, 1.0 }
* };
*/
cmsCIExyYTRIPLE adobe_compatible_primaries_prequantized =
{
{0.639996511, 0.329996864, 1.0},
{0.210005295, 0.710004866, 1.0},
{0.149997606, 0.060003644, 1.0}
};
cmsToneCurve *tone_curve[3];
cmsToneCurve *gamma22[3];
gamma22[0] = gamma22[1] = gamma22[2] = cmsBuildGamma (NULL, 2.19921875);
tone_curve[0] = tone_curve[1] = tone_curve[2] = gamma22[0];
profile = cmsCreateRGBProfile (&d65_srgb_specs,
&adobe_compatible_primaries_prequantized,
tone_curve);
gimp_color_profile_set_tag (profile, cmsSigProfileDescriptionTag,
"Compatible with Adobe RGB (1998)");
gimp_color_profile_set_tag (profile, cmsSigDeviceMfgDescTag,
"GIMP");
gimp_color_profile_set_tag (profile, cmsSigDeviceModelDescTag,
"Compatible with Adobe RGB (1998)");
gimp_color_profile_set_tag (profile, cmsSigCopyrightTag,
"Public Domain");
return profile;
}
/**
* gimp_color_profile_new_adobe_rgb:
*
* This function creates a profile compatible with AbobeRGB (1998).
*
* Return value: the AdobeRGB-compatible #GimpColorProfile.
*
* Since: 2.10
**/
GimpColorProfile *
gimp_color_profile_new_adobe_rgb (void)
{
static GimpColorProfile *profile = NULL;
const guint8 *data;
gsize length;
if (G_UNLIKELY (profile == NULL))
{
cmsHPROFILE lcms_profile = gimp_color_profile_new_adobe_rgb_internal ();
profile = gimp_color_profile_new_from_lcms_profile (lcms_profile, NULL);
cmsCloseProfile (lcms_profile);
}
data = gimp_color_profile_get_icc_profile (profile, &length);
return gimp_color_profile_new_from_icc_profile (data, length, NULL);
}
/**
* gimp_color_profile_get_format:
* @format: a #Babl format
......
......@@ -67,6 +67,8 @@ GType gimp_color_profile_get_type (void) G_GNUC_CONST;
GimpColorProfile * gimp_color_profile_new_srgb (void);
GimpColorProfile * gimp_color_profile_new_linear_rgb (void);
GimpColorProfile * gimp_color_profile_new_adobe_rgb (void);
GimpColorProfile * gimp_color_profile_new_from_file (GFile *file,
GError **error);
......
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