static gboolean
gimp_color_profile_can_gegl_copy (GimpColorProfile *src_profile,
GimpColorProfile *dest_profile)
{
static GimpColorProfile *srgb_profile = NULL;
static GimpColorProfile *linear_rgb_profile = NULL;
if (gimp_color_profile_is_equal (src_profile, dest_profile))
return TRUE;
if (! srgb_profile)
{
srgb_profile = gimp_color_profile_new_srgb ();
linear_rgb_profile = gimp_color_profile_new_linear_rgb ();
}
if ((gimp_color_profile_is_equal (src_profile, srgb_profile) ||
gimp_color_profile_is_equal (src_profile, linear_rgb_profile))
&&
(gimp_color_profile_is_equal (dest_profile, srgb_profile) ||
gimp_color_profile_is_equal (dest_profile, linear_rgb_profile)))
return TRUE;
return FALSE;
}
static gboolean
profiles_equal (GimpColorProfile *profile1,
GimpColorProfile *profile2)
{
return ((profile1 == NULL && profile2 == NULL) ||
(profile1 != NULL && profile2 != NULL &&
gimp_color_profile_is_equal (profile1, profile2)));
}
/**
* gimp_color_transform_can_gegl_copy:
* @src_format: src profile
* @dest_format: dest profile
*
* This function checks if a GimpColorTransform is needed at all.
*
* Return value: %TRUE if pixels can be correctly converted between
* @src_profile and @dest_profile by simply using
* gegl_buffer_copy(), babl_process() or similar.
*
* Since: 2.10
**/
gboolean
gimp_color_transform_can_gegl_copy (GimpColorProfile *src_profile,
GimpColorProfile *dest_profile)
{
static GimpColorProfile *srgb_profile = NULL;
static GimpColorProfile *srgb_linear_profile = NULL;
static GimpColorProfile *gray_profile = NULL;
static GimpColorProfile *gray_linear_profile = NULL;
g_return_val_if_fail (GIMP_IS_COLOR_PROFILE (src_profile), FALSE);
g_return_val_if_fail (GIMP_IS_COLOR_PROFILE (dest_profile), FALSE);
if (gimp_color_profile_is_equal (src_profile, dest_profile))
return TRUE;
if (! srgb_profile)
{
srgb_profile = gimp_color_profile_new_rgb_srgb ();
srgb_linear_profile = gimp_color_profile_new_rgb_srgb_linear ();
gray_profile = gimp_color_profile_new_d65_gray_srgb_trc ();
gray_linear_profile = gimp_color_profile_new_d65_gray_linear ();
}
if ((gimp_color_profile_is_equal (src_profile, srgb_profile) ||
gimp_color_profile_is_equal (src_profile, srgb_linear_profile) ||
gimp_color_profile_is_equal (src_profile, gray_profile) ||
gimp_color_profile_is_equal (src_profile, gray_linear_profile))
&&
(gimp_color_profile_is_equal (dest_profile, srgb_profile) ||
gimp_color_profile_is_equal (dest_profile, srgb_linear_profile) ||
gimp_color_profile_is_equal (dest_profile, gray_profile) ||
gimp_color_profile_is_equal (dest_profile, gray_linear_profile)))
{
return TRUE;
}
return FALSE;
}
gboolean
gimp_image_validate_color_profile (GimpImage *image,
GimpColorProfile *profile,
gboolean *is_builtin,
GError **error)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
g_return_val_if_fail (GIMP_IS_COLOR_PROFILE (profile), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
if (gimp_image_get_base_type (image) == GIMP_GRAY)
{
if (! gimp_color_profile_is_gray (profile))
{
g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
_("ICC profile validation failed: "
"Color profile is not for GRAY color space"));
return FALSE;
}
}
else
{
if (! gimp_color_profile_is_rgb (profile))
{
g_set_error_literal (error, GIMP_ERROR, GIMP_FAILED,
_("ICC profile validation failed: "
"Color profile is not for RGB color space"));
return FALSE;
}
}
if (is_builtin)
{
GimpColorProfile *builtin;
builtin = gimp_image_get_builtin_color_profile (image);
*is_builtin = gimp_color_profile_is_equal (profile, builtin);
}
return TRUE;
}
gboolean
gimp_image_convert_color_profile (GimpImage *image,
GimpColorProfile *dest_profile,
GimpColorRenderingIntent intent,
gboolean bpc,
GimpProgress *progress,
GError **error)
{
GimpColorProfile *src_profile;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
g_return_val_if_fail (dest_profile != NULL, FALSE);
g_return_val_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
if (! gimp_image_validate_color_profile (image, dest_profile, NULL, error))
return FALSE;
src_profile = gimp_color_managed_get_color_profile (GIMP_COLOR_MANAGED (image));
if (! src_profile || gimp_color_profile_is_equal (src_profile, dest_profile))
return TRUE;
if (progress)
gimp_progress_start (progress, FALSE,
_("Converting from '%s' to '%s'"),
gimp_color_profile_get_label (src_profile),
gimp_color_profile_get_label (dest_profile));
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_CONVERT,
_("Color profile conversion"));
gimp_image_set_color_profile (image, dest_profile, NULL);
/* omg... */
gimp_image_parasite_detach (image, "icc-profile-name");
switch (gimp_image_get_base_type (image))
{
case GIMP_RGB:
gimp_image_convert_profile_rgb (image,
src_profile, dest_profile,
intent, bpc,
progress);
break;
case GIMP_GRAY:
break;
case GIMP_INDEXED:
gimp_image_convert_profile_indexed (image,
src_profile, dest_profile,
intent, bpc,
progress);
break;
}
gimp_image_undo_group_end (image);
if (progress)
gimp_progress_end (progress);
return TRUE;
}
GimpColorTransform
gimp_widget_get_color_transform (GtkWidget *widget,
GimpColorConfig *config,
GimpColorProfile *src_profile,
const Babl **src_format,
const Babl **dest_format)
{
GimpColorTransform transform = NULL;
GimpColorProfile *dest_profile = NULL;
GimpColorProfile *proof_profile = NULL;
cmsHPROFILE src_lcms;
cmsHPROFILE dest_lcms;
cmsUInt32Number lcms_src_format;
cmsUInt32Number lcms_dest_format;
cmsUInt16Number alarmCodes[cmsMAXCHANNELS] = { 0, };
g_return_val_if_fail (widget == NULL || GTK_IS_WIDGET (widget), NULL);
g_return_val_if_fail (GIMP_IS_COLOR_PROFILE (src_profile), NULL);
g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), NULL);
g_return_val_if_fail (src_format != NULL, NULL);
g_return_val_if_fail (dest_format != NULL, NULL);
switch (config->mode)
{
case GIMP_COLOR_MANAGEMENT_OFF:
return NULL;
case GIMP_COLOR_MANAGEMENT_SOFTPROOF:
proof_profile = gimp_color_config_get_printer_color_profile (config, NULL);
/* fallthru */
case GIMP_COLOR_MANAGEMENT_DISPLAY:
dest_profile = get_display_profile (widget, config);
break;
}
src_lcms = gimp_color_profile_get_lcms_profile (src_profile);
dest_lcms = gimp_color_profile_get_lcms_profile (dest_profile);
*src_format = gimp_color_profile_get_format (*src_format, &lcms_src_format);
*dest_format = gimp_color_profile_get_format (*dest_format, &lcms_dest_format);
if (proof_profile)
{
cmsHPROFILE proof_lcms;
cmsUInt32Number softproof_flags = cmsFLAGS_SOFTPROOFING;
proof_lcms = gimp_color_profile_get_lcms_profile (proof_profile);
if (config->simulation_use_black_point_compensation)
{
softproof_flags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
}
if (config->simulation_gamut_check)
{
guchar r, g, b;
softproof_flags |= cmsFLAGS_GAMUTCHECK;
gimp_rgb_get_uchar (&config->out_of_gamut_color, &r, &g, &b);
alarmCodes[0] = (cmsUInt16Number) r * 256;
alarmCodes[1] = (cmsUInt16Number) g * 256;
alarmCodes[2] = (cmsUInt16Number) b * 256;
cmsSetAlarmCodes (alarmCodes);
}
transform = cmsCreateProofingTransform (src_lcms, lcms_src_format,
dest_lcms, lcms_dest_format,
proof_lcms,
config->simulation_intent,
config->display_intent,
softproof_flags);
g_object_unref (proof_profile);
}
else if (! gimp_color_profile_is_equal (src_profile, dest_profile))
{
cmsUInt32Number display_flags = 0;
if (config->display_use_black_point_compensation)
{
display_flags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
}
transform = cmsCreateTransform (src_lcms, lcms_src_format,
dest_lcms, lcms_dest_format,
config->display_intent,
display_flags);
}
g_object_unref (dest_profile);
return transform;
}
GimpColorTransform *
gimp_widget_get_color_transform (GtkWidget *widget,
GimpColorConfig *config,
GimpColorProfile *src_profile,
const Babl *src_format,
const Babl *dest_format)
{
static gboolean initialized = FALSE;
GimpColorProfile *dest_profile = NULL;
GimpColorProfile *proof_profile = NULL;
TransformCache *cache;
g_return_val_if_fail (widget == NULL || GTK_IS_WIDGET (widget), NULL);
g_return_val_if_fail (GIMP_IS_COLOR_CONFIG (config), NULL);
g_return_val_if_fail (GIMP_IS_COLOR_PROFILE (src_profile), NULL);
g_return_val_if_fail (src_format != NULL, NULL);
g_return_val_if_fail (dest_format != NULL, NULL);
if (G_UNLIKELY (! initialized))
{
initialized = TRUE;
debug_cache = g_getenv ("GIMP_DEBUG_TRANSFORM_CACHE") != NULL;
}
switch (gimp_color_config_get_mode (config))
{
case GIMP_COLOR_MANAGEMENT_OFF:
return NULL;
case GIMP_COLOR_MANAGEMENT_SOFTPROOF:
proof_profile = gimp_color_config_get_simulation_color_profile (config,
NULL);
/* fallthru */
case GIMP_COLOR_MANAGEMENT_DISPLAY:
dest_profile = get_display_profile (widget, config);
break;
}
cache = transform_cache_get (config,
src_profile,
src_format,
dest_profile,
dest_format,
proof_profile);
if (cache)
{
g_object_unref (dest_profile);
if (proof_profile)
g_object_unref (proof_profile);
if (cache->transform)
return g_object_ref (cache->transform);
return NULL;
}
if (! proof_profile &&
gimp_color_profile_is_equal (src_profile, dest_profile))
{
g_object_unref (dest_profile);
return NULL;
}
cache = g_new0 (TransformCache, 1);
if (debug_cache)
g_printerr ("creating cache %p\n", cache);
cache->config = g_object_ref (config);
cache->src_profile = g_object_ref (src_profile);
cache->src_format = src_format;
cache->dest_profile = dest_profile;
cache->dest_format = dest_format;
cache->proof_profile = proof_profile;
cache->notify_id =
g_signal_connect (cache->config, "notify",
G_CALLBACK (transform_cache_config_notify),
cache);
transform_caches = g_list_prepend (transform_caches, cache);
if (cache->proof_profile)
{
GimpColorTransformFlags flags = 0;
if (gimp_color_config_get_simulation_bpc (config))
flags |= GIMP_COLOR_TRANSFORM_FLAGS_BLACK_POINT_COMPENSATION;
if (! gimp_color_config_get_simulation_optimize (config))
flags |= GIMP_COLOR_TRANSFORM_FLAGS_NOOPTIMIZE;
if (gimp_color_config_get_simulation_gamut_check (config))
{
cmsUInt16Number alarmCodes[cmsMAXCHANNELS] = { 0, };
guchar r, g, b;
flags |= GIMP_COLOR_TRANSFORM_FLAGS_GAMUT_CHECK;
gimp_rgb_get_uchar (&config->out_of_gamut_color, &r, &g, &b);
alarmCodes[0] = (cmsUInt16Number) r * 256;
alarmCodes[1] = (cmsUInt16Number) g * 256;
alarmCodes[2] = (cmsUInt16Number) b * 256;
cmsSetAlarmCodes (alarmCodes);
}
cache->transform =
gimp_color_transform_new_proofing (cache->src_profile,
cache->src_format,
cache->dest_profile,
cache->dest_format,
cache->proof_profile,
gimp_color_config_get_simulation_intent (config),
gimp_color_config_get_display_intent (config),
flags);
}
else
{
GimpColorTransformFlags flags = 0;
if (gimp_color_config_get_display_bpc (config))
flags |= GIMP_COLOR_TRANSFORM_FLAGS_BLACK_POINT_COMPENSATION;
if (! gimp_color_config_get_display_optimize (config))
flags |= GIMP_COLOR_TRANSFORM_FLAGS_NOOPTIMIZE;
cache->transform =
gimp_color_transform_new (cache->src_profile,
cache->src_format,
cache->dest_profile,
cache->dest_format,
gimp_color_config_get_display_intent (config),
flags);
}
if (cache->transform)
return g_object_ref (cache->transform);
return NULL;
}
gboolean
gimp_image_convert_color_profile (GimpImage *image,
GimpColorProfile *dest_profile,
GimpColorRenderingIntent intent,
gboolean bpc,
GimpProgress *progress,
GError **error)
{
GimpColorProfile *src_profile;
GimpColorProfile *builtin_profile;
const Babl *layer_format;
g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
g_return_val_if_fail (dest_profile != NULL, FALSE);
g_return_val_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress), FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
if (! gimp_image_validate_color_profile (image, dest_profile, error))
return FALSE;
src_profile = gimp_color_managed_get_color_profile (GIMP_COLOR_MANAGED (image));
if (gimp_color_profile_is_equal (src_profile, dest_profile))
{
g_object_unref (src_profile);
return TRUE;
}
if (progress)
gimp_progress_start (progress, FALSE,
_("Converting from '%s' to '%s'"),
gimp_color_profile_get_label (src_profile),
gimp_color_profile_get_label (dest_profile));
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_CONVERT,
_("Color profile conversion"));
layer_format = gimp_image_get_layer_format (image, FALSE);
if (gimp_babl_format_get_linear (layer_format))
builtin_profile = gimp_color_profile_new_linear_rgb ();
else
builtin_profile = gimp_color_profile_new_srgb ();
if (gimp_color_profile_is_equal (dest_profile, builtin_profile))
{
/* don't tag the image with the built-in profile */
gimp_image_set_color_profile (image, NULL, NULL);
}
else
{
gimp_image_set_color_profile (image, dest_profile, NULL);
}
g_object_unref (builtin_profile);
/* omg... */
gimp_image_parasite_detach (image, "icc-profile-name");
switch (gimp_image_get_base_type (image))
{
case GIMP_RGB:
gimp_image_convert_profile_rgb (image,
src_profile, dest_profile,
intent, bpc,
progress);
break;
case GIMP_GRAY:
break;
case GIMP_INDEXED:
gimp_image_convert_profile_indexed (image,
src_profile, dest_profile,
intent, bpc,
progress);
break;
}
gimp_image_undo_group_end (image);
if (progress)
gimp_progress_end (progress);
g_object_unref (src_profile);
return TRUE;
}
