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libgimpcolor: add a new gimp_color_profile_get_format() 

which takes a GimpColorProfile and a Babl format, and returns a new
format which uses the profile's RGB primaries and TRC, and the
original format's pixel layout; or NULL if babl couldn't create a
space from the profile's ICC data.
This commit is contained in:
Michael Natterer 2017-09-02 20:29:29 +02:00
parent c63d812be8
commit d092ee9102
3 changed files with 50 additions and 3 deletions
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1
libgimpcolor/gimpcolor.def
View File

@ -27,6 +27,7 @@ EXPORTS
gimp_color_managed_profile_changed
gimp_color_profile_get_copyright
gimp_color_profile_get_description
gimp_color_profile_get_format
gimp_color_profile_get_icc_profile
gimp_color_profile_get_label
gimp_color_profile_get_lcms_format

49
libgimpcolor/gimpcolorprofile.c
View File

@ -113,6 +113,8 @@ G_DEFINE_TYPE (GimpColorProfile, gimp_color_profile,
#define parent_class gimp_color_profile_parent_class
#define GIMP_COLOR_PROFILE_ERROR gimp_color_profile_error_quark ()
static GQuark
gimp_color_profile_error_quark (void)
{
@ -265,7 +267,7 @@ gimp_color_profile_new_from_file (GFile *file,
if (error && *error == NULL)
{
g_set_error (error, gimp_color_profile_error_quark (), 0,
g_set_error (error, GIMP_COLOR_PROFILE_ERROR, 0,
_("'%s' does not appear to be an ICC color profile"),
gimp_file_get_utf8_name (file));
}
@ -311,7 +313,7 @@ gimp_color_profile_new_from_icc_profile (const guint8 *data,
}
else
{
g_set_error_literal (error, gimp_color_profile_error_quark (), 0,
g_set_error_literal (error, GIMP_COLOR_PROFILE_ERROR, 0,
_("Data does not appear to be an ICC color profile"));
}
@ -368,7 +370,7 @@ gimp_color_profile_new_from_lcms_profile (gpointer lcms_profile,
g_free (data);
}
g_set_error_literal (error, gimp_color_profile_error_quark (), 0,
g_set_error_literal (error, GIMP_COLOR_PROFILE_ERROR, 0,
_("Could not save color profile to memory"));
return NULL;
@ -1457,6 +1459,47 @@ gimp_color_profile_new_d50_gray_lab_trc (void)
return gimp_color_profile_new_from_icc_profile (data, length, NULL);
}
/**
* gimp_color_profile_get_format:
* @profile: a #GimpColorProfile
* @format: a #Babl format
* @error: return location for #GError
*
* This function takes a #GimpColorProfile and a #Babl format and
* returns a new #Babl format with @profile's RGB primaries and TRC,
* and @format's pixel layout.
*
* Return value: the new #Babl format.
*
* Since: 2.10
**/
const Babl *
gimp_color_profile_get_format (GimpColorProfile *profile,
const Babl *format,
GError **error)
{
const Babl *space;
gchar *babl_error = NULL;
g_return_val_if_fail (GIMP_IS_COLOR_PROFILE (profile), NULL);
g_return_val_if_fail (format != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
space = babl_space_from_icc ((const gchar *) profile->priv->data,
profile->priv->length,
&babl_error);
if (! space)
{
g_set_error (error, GIMP_COLOR_PROFILE_ERROR, 0,
"%s: %s",
gimp_color_profile_get_label (profile), babl_error);
return NULL;
}
return babl_format_with_space (babl_get_name (format), space);
}
/**
* gimp_color_profile_get_lcms_format:
* @format: a #Babl format

3
libgimpcolor/gimpcolorprofile.h
View File

@ -111,6 +111,9 @@ gboolean gimp_color_profile_is_cmyk (GimpColorProfile *
gboolean gimp_color_profile_is_linear (GimpColorProfile *profile);
const Babl * gimp_color_profile_get_format (GimpColorProfile *profile,
const Babl *format,
GError **error);
const Babl * gimp_color_profile_get_lcms_format (const Babl *format,
guint32 *lcms_format);