1198 lines
37 KiB
C
1198 lines
37 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikaimage-color-profile.c
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* Copyright (C) 2015-2018 Michael Natterer <mitch@gimp.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <string.h>
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#include <cairo.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include <gegl.h>
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#include "libpikaconfig/pikaconfig.h"
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#include "libpikacolor/pikacolor.h"
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#include "libpikabase/pikabase.h"
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#include "core-types.h"
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#include "config/pikadialogconfig.h"
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#include "gegl/pika-babl.h"
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#include "gegl/pika-gegl-loops.h"
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#include "pika.h"
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#include "pikacontext.h"
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#include "pikaerror.h"
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#include "pikalayer.h"
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#include "pikaimage.h"
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#include "pikaimage-color-profile.h"
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#include "pikaimage-colormap.h"
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#include "pikaimage-private.h"
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#include "pikaimage-undo.h"
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#include "pikaimage-undo-push.h"
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#include "pikaobjectqueue.h"
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#include "pikaprogress.h"
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#include "pika-intl.h"
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/* local function prototypes */
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static void pika_image_convert_profile_layers (PikaImage *image,
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PikaColorProfile *src_profile,
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PikaColorProfile *dest_profile,
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PikaColorRenderingIntent intent,
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gboolean bpc,
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PikaProgress *progress);
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static void pika_image_convert_profile_colormap (PikaImage *image,
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PikaColorProfile *src_profile,
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PikaColorProfile *dest_profile,
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PikaColorRenderingIntent intent,
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gboolean bpc,
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PikaProgress *progress);
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static void pika_image_fix_layer_format_spaces (PikaImage *image,
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PikaProgress *progress);
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static void pika_image_create_color_transforms (PikaImage *image);
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/* public functions */
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gboolean
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pika_image_get_use_srgb_profile (PikaImage *image,
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gboolean *hidden_profile)
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{
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PikaImagePrivate *private;
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g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
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private = PIKA_IMAGE_GET_PRIVATE (image);
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if (hidden_profile)
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*hidden_profile = (private->hidden_profile != NULL);
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return private->color_profile == NULL;
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}
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void
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pika_image_set_use_srgb_profile (PikaImage *image,
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gboolean use_srgb)
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{
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PikaImagePrivate *private;
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gboolean old_use_srgb;
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g_return_if_fail (PIKA_IS_IMAGE (image));
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private = PIKA_IMAGE_GET_PRIVATE (image);
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old_use_srgb = (private->color_profile == NULL);
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use_srgb = use_srgb ? TRUE : FALSE;
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if (use_srgb == old_use_srgb)
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return;
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if (use_srgb)
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{
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PikaColorProfile *profile = pika_image_get_color_profile (image);
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if (profile)
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{
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pika_image_undo_group_start (image, PIKA_UNDO_GROUP_IMAGE_CONVERT,
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_("Enable 'Use sRGB Profile'"));
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g_object_ref (profile);
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pika_image_assign_color_profile (image, NULL, NULL, NULL);
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_pika_image_set_hidden_profile (image, profile, TRUE);
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g_object_unref (profile);
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pika_image_undo_group_end (image);
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}
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}
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else
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{
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PikaColorProfile *hidden = _pika_image_get_hidden_profile (image);
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if (hidden)
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{
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pika_image_undo_group_start (image, PIKA_UNDO_GROUP_IMAGE_CONVERT,
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_("Disable 'Use sRGB Profile'"));
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g_object_ref (hidden);
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pika_image_assign_color_profile (image, hidden, NULL, NULL);
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g_object_unref (hidden);
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pika_image_undo_group_end (image);
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}
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}
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}
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PikaColorProfile *
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_pika_image_get_hidden_profile (PikaImage *image)
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{
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PikaImagePrivate *private;
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g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
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private = PIKA_IMAGE_GET_PRIVATE (image);
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return private->hidden_profile;
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}
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void
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_pika_image_set_hidden_profile (PikaImage *image,
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PikaColorProfile *profile,
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gboolean push_undo)
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{
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PikaImagePrivate *private;
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g_return_if_fail (PIKA_IS_IMAGE (image));
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g_return_if_fail (profile == NULL || PIKA_IS_COLOR_PROFILE (profile));
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private = PIKA_IMAGE_GET_PRIVATE (image);
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if (profile != private->hidden_profile)
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{
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if (push_undo)
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pika_image_undo_push_image_hidden_profile (image, NULL);
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g_set_object (&private->hidden_profile, profile);
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}
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}
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gboolean
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pika_image_validate_icc_parasite (PikaImage *image,
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const PikaParasite *icc_parasite,
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const gchar *profile_type,
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gboolean *is_builtin,
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GError **error)
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{
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const guint8 *data;
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guint32 data_size;
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g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
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g_return_val_if_fail (icc_parasite != NULL, FALSE);
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g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
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if (strcmp (pika_parasite_get_name (icc_parasite),
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profile_type) != 0)
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{
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gchar *invalid_parasite_name;
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invalid_parasite_name =
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g_strdup_printf (_("ICC profile validation failed: "
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"Parasite's name is not '%s'"),
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profile_type);
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g_set_error_literal (error, PIKA_ERROR, PIKA_FAILED,
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invalid_parasite_name);
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g_free (invalid_parasite_name);
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return FALSE;
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}
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if (pika_parasite_get_flags (icc_parasite) != (PIKA_PARASITE_PERSISTENT |
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PIKA_PARASITE_UNDOABLE))
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{
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g_set_error_literal (error, PIKA_ERROR, PIKA_FAILED,
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_("ICC profile validation failed: "
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"Parasite's flags are not (PERSISTENT | UNDOABLE)"));
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return FALSE;
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}
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data = pika_parasite_get_data (icc_parasite, &data_size);
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return pika_image_validate_icc_profile (image, data, data_size,
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profile_type, is_builtin, error);
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}
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const PikaParasite *
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pika_image_get_icc_parasite (PikaImage *image)
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{
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g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
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return pika_image_parasite_find (image, PIKA_ICC_PROFILE_PARASITE_NAME);
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}
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void
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pika_image_set_icc_parasite (PikaImage *image,
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const PikaParasite *icc_parasite,
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const gchar *profile_type)
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{
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g_return_if_fail (PIKA_IS_IMAGE (image));
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if (icc_parasite)
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{
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g_return_if_fail (pika_image_validate_icc_parasite (image, icc_parasite,
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profile_type,
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NULL, NULL) == TRUE);
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pika_image_parasite_attach (image, icc_parasite, TRUE);
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}
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else
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{
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pika_image_parasite_detach (image, profile_type, TRUE);
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}
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}
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gboolean
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pika_image_validate_icc_profile (PikaImage *image,
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const guint8 *data,
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gsize length,
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const gchar *profile_type,
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gboolean *is_builtin,
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GError **error)
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{
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PikaColorProfile *profile;
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g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
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g_return_val_if_fail (data != NULL || length == 0, FALSE);
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g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
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profile = pika_color_profile_new_from_icc_profile (data, length, error);
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if (! profile)
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{
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if (g_strcmp0 (profile_type, PIKA_ICC_PROFILE_PARASITE_NAME) == 0)
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g_prefix_error (error, _("ICC profile validation failed: "));
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else if (g_strcmp0 (profile_type, PIKA_SIMULATION_ICC_PROFILE_PARASITE_NAME) == 0)
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g_prefix_error (error, _("Simulation ICC profile validation failed: "));
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return FALSE;
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}
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if (g_strcmp0 (profile_type, PIKA_ICC_PROFILE_PARASITE_NAME) == 0)
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{
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if (! pika_image_validate_color_profile (image, profile, is_builtin, error))
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{
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g_object_unref (profile);
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return FALSE;
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}
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}
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else
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{
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if (is_builtin)
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*is_builtin = FALSE;
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}
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g_object_unref (profile);
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return TRUE;
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}
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const guint8 *
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pika_image_get_icc_profile (PikaImage *image,
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gsize *length)
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{
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const PikaParasite *parasite;
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g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
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parasite = pika_image_parasite_find (image, PIKA_ICC_PROFILE_PARASITE_NAME);
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if (parasite)
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{
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const guint8 *data;
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guint32 data_size;
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data = pika_parasite_get_data (parasite, &data_size);
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if (length)
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*length = (gsize) data_size;
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return data;
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}
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if (length)
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*length = 0;
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return NULL;
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}
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gboolean
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pika_image_set_icc_profile (PikaImage *image,
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const guint8 *data,
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gsize length,
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const gchar *profile_type,
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GError **error)
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{
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PikaParasite *parasite = NULL;
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g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
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g_return_val_if_fail (data == NULL || length != 0, FALSE);
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g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
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if (data)
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{
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gboolean is_builtin;
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parasite = pika_parasite_new (profile_type,
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PIKA_PARASITE_PERSISTENT |
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PIKA_PARASITE_UNDOABLE,
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length, data);
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if (! pika_image_validate_icc_parasite (image, parasite, profile_type,
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&is_builtin, error))
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{
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pika_parasite_free (parasite);
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return FALSE;
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}
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/* don't tag the image with the built-in profile */
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if (is_builtin)
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{
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pika_parasite_free (parasite);
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parasite = NULL;
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}
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}
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pika_image_set_icc_parasite (image, parasite, profile_type);
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if (parasite)
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pika_parasite_free (parasite);
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return TRUE;
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}
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gboolean
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pika_image_validate_color_profile (PikaImage *image,
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PikaColorProfile *profile,
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gboolean *is_builtin,
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GError **error)
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{
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const Babl *format;
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g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
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g_return_val_if_fail (PIKA_IS_COLOR_PROFILE (profile), FALSE);
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g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
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format = pika_image_get_layer_format (image, TRUE);
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return pika_image_validate_color_profile_by_format (format,
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profile, is_builtin,
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error);
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}
|
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PikaColorProfile *
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pika_image_get_color_profile (PikaImage *image)
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{
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g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
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return PIKA_IMAGE_GET_PRIVATE (image)->color_profile;
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}
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|
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gboolean
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pika_image_set_color_profile (PikaImage *image,
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PikaColorProfile *profile,
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GError **error)
|
||
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{
|
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const guint8 *data = NULL;
|
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gsize length = 0;
|
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|
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g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
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g_return_val_if_fail (profile == NULL || PIKA_IS_COLOR_PROFILE (profile),
|
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FALSE);
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g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
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|
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if (profile)
|
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data = pika_color_profile_get_icc_profile (profile, &length);
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|
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return pika_image_set_icc_profile (image, data, length,
|
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PIKA_ICC_PROFILE_PARASITE_NAME,
|
||
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error);
|
||
|
}
|
||
|
|
||
|
PikaColorProfile *
|
||
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pika_image_get_simulation_profile (PikaImage *image)
|
||
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{
|
||
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g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
|
||
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|
||
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return PIKA_IMAGE_GET_PRIVATE (image)->simulation_profile;
|
||
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}
|
||
|
|
||
|
gboolean
|
||
|
pika_image_set_simulation_profile (PikaImage *image,
|
||
|
PikaColorProfile *profile)
|
||
|
{
|
||
|
PikaImagePrivate *private;
|
||
|
const guint8 *data = NULL;
|
||
|
gsize length = 0;
|
||
|
|
||
|
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
|
||
|
g_return_val_if_fail (profile == NULL || PIKA_IS_COLOR_PROFILE (profile),
|
||
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FALSE);
|
||
|
|
||
|
private = PIKA_IMAGE_GET_PRIVATE (image);
|
||
|
|
||
|
if (profile != private->simulation_profile)
|
||
|
{
|
||
|
g_set_object (&private->simulation_profile, profile);
|
||
|
pika_color_managed_simulation_profile_changed (PIKA_COLOR_MANAGED (image));
|
||
|
}
|
||
|
|
||
|
if (profile)
|
||
|
data = pika_color_profile_get_icc_profile (profile, &length);
|
||
|
|
||
|
return pika_image_set_icc_profile (image, data, length,
|
||
|
PIKA_SIMULATION_ICC_PROFILE_PARASITE_NAME,
|
||
|
NULL);
|
||
|
}
|
||
|
|
||
|
PikaColorRenderingIntent
|
||
|
pika_image_get_simulation_intent (PikaImage *image)
|
||
|
{
|
||
|
g_return_val_if_fail (PIKA_IS_IMAGE (image),
|
||
|
PIKA_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC);
|
||
|
|
||
|
return PIKA_IMAGE_GET_PRIVATE (image)->simulation_intent;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
pika_image_set_simulation_intent (PikaImage *image,
|
||
|
PikaColorRenderingIntent intent)
|
||
|
{
|
||
|
PikaImagePrivate *private;
|
||
|
|
||
|
g_return_if_fail (PIKA_IS_IMAGE (image));
|
||
|
|
||
|
private = PIKA_IMAGE_GET_PRIVATE (image);
|
||
|
|
||
|
if (intent != private->simulation_intent)
|
||
|
{
|
||
|
PikaParasite *parasite;
|
||
|
gchar i;
|
||
|
|
||
|
private->simulation_intent = intent;
|
||
|
pika_color_managed_simulation_intent_changed (PIKA_COLOR_MANAGED (image));
|
||
|
|
||
|
i = (gchar) intent;
|
||
|
parasite = pika_parasite_new ("image-simulation-intent",
|
||
|
PIKA_PARASITE_PERSISTENT,
|
||
|
1, (gpointer) &i);
|
||
|
|
||
|
pika_image_parasite_attach (image, parasite, FALSE);
|
||
|
pika_parasite_free (parasite);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
gboolean
|
||
|
pika_image_get_simulation_bpc (PikaImage *image)
|
||
|
{
|
||
|
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
|
||
|
|
||
|
return PIKA_IMAGE_GET_PRIVATE (image)->simulation_bpc;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
pika_image_set_simulation_bpc (PikaImage *image,
|
||
|
gboolean bpc)
|
||
|
{
|
||
|
PikaImagePrivate *private;
|
||
|
|
||
|
g_return_if_fail (PIKA_IS_IMAGE (image));
|
||
|
|
||
|
private = PIKA_IMAGE_GET_PRIVATE (image);
|
||
|
|
||
|
if (bpc != private->simulation_bpc)
|
||
|
{
|
||
|
PikaParasite *parasite;
|
||
|
gchar i;
|
||
|
|
||
|
private->simulation_bpc = bpc;
|
||
|
pika_color_managed_simulation_bpc_changed (PIKA_COLOR_MANAGED (image));
|
||
|
|
||
|
i = (gchar) bpc;
|
||
|
parasite = pika_parasite_new ("image-simulation-bpc",
|
||
|
PIKA_PARASITE_PERSISTENT,
|
||
|
1, (gpointer) &i);
|
||
|
|
||
|
pika_image_parasite_attach (image, parasite, FALSE);
|
||
|
pika_parasite_free (parasite);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
gboolean
|
||
|
pika_image_validate_color_profile_by_format (const Babl *format,
|
||
|
PikaColorProfile *profile,
|
||
|
gboolean *is_builtin,
|
||
|
GError **error)
|
||
|
{
|
||
|
g_return_val_if_fail (format != NULL, FALSE);
|
||
|
g_return_val_if_fail (PIKA_IS_COLOR_PROFILE (profile), FALSE);
|
||
|
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
|
||
|
|
||
|
if (pika_babl_format_get_base_type (format) == PIKA_GRAY)
|
||
|
{
|
||
|
if (! pika_color_profile_is_gray (profile))
|
||
|
{
|
||
|
g_set_error_literal (error, PIKA_ERROR, PIKA_FAILED,
|
||
|
_("ICC profile validation failed: "
|
||
|
"Color profile is not for grayscale color space"));
|
||
|
return FALSE;
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if (! pika_color_profile_is_rgb (profile))
|
||
|
{
|
||
|
g_set_error_literal (error, PIKA_ERROR, PIKA_FAILED,
|
||
|
_("ICC profile validation failed: "
|
||
|
"Color profile is not for RGB color space"));
|
||
|
return FALSE;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (is_builtin)
|
||
|
{
|
||
|
PikaColorProfile *builtin =
|
||
|
pika_babl_get_builtin_color_profile (pika_babl_format_get_base_type (format),
|
||
|
pika_babl_format_get_trc (format));
|
||
|
|
||
|
*is_builtin = pika_color_profile_is_equal (profile, builtin);
|
||
|
}
|
||
|
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
PikaColorProfile *
|
||
|
pika_image_get_builtin_color_profile (PikaImage *image)
|
||
|
{
|
||
|
const Babl *format;
|
||
|
|
||
|
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
|
||
|
|
||
|
format = pika_image_get_layer_format (image, FALSE);
|
||
|
|
||
|
return pika_babl_get_builtin_color_profile (pika_babl_format_get_base_type (format),
|
||
|
pika_babl_format_get_trc (format));
|
||
|
}
|
||
|
|
||
|
gboolean
|
||
|
pika_image_assign_color_profile (PikaImage *image,
|
||
|
PikaColorProfile *dest_profile,
|
||
|
PikaProgress *progress,
|
||
|
GError **error)
|
||
|
{
|
||
|
PikaColorProfile *src_profile;
|
||
|
|
||
|
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
|
||
|
g_return_val_if_fail (dest_profile == NULL ||
|
||
|
PIKA_IS_COLOR_PROFILE (dest_profile), FALSE);
|
||
|
g_return_val_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress), FALSE);
|
||
|
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
|
||
|
|
||
|
if (dest_profile &&
|
||
|
! pika_image_validate_color_profile (image, dest_profile, NULL, error))
|
||
|
return FALSE;
|
||
|
|
||
|
src_profile = pika_color_managed_get_color_profile (PIKA_COLOR_MANAGED (image));
|
||
|
|
||
|
if (src_profile == dest_profile ||
|
||
|
(src_profile && dest_profile &&
|
||
|
pika_color_profile_is_equal (src_profile, dest_profile)))
|
||
|
return TRUE;
|
||
|
|
||
|
if (progress)
|
||
|
pika_progress_start (progress, FALSE,
|
||
|
dest_profile ?
|
||
|
_("Assigning color profile") :
|
||
|
_("Discarding color profile"));
|
||
|
|
||
|
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_IMAGE_CONVERT,
|
||
|
dest_profile ?
|
||
|
_("Assign color profile") :
|
||
|
_("Discard color profile"));
|
||
|
|
||
|
_pika_image_set_hidden_profile (image, NULL, TRUE);
|
||
|
|
||
|
pika_image_set_color_profile (image, dest_profile, NULL);
|
||
|
/* omg... */
|
||
|
pika_image_parasite_detach (image, "icc-profile-name", TRUE);
|
||
|
|
||
|
if (pika_image_get_base_type (image) == PIKA_INDEXED)
|
||
|
pika_image_colormap_update_formats (image);
|
||
|
|
||
|
pika_image_fix_layer_format_spaces (image, progress);
|
||
|
|
||
|
pika_image_undo_group_end (image);
|
||
|
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
gboolean
|
||
|
pika_image_convert_color_profile (PikaImage *image,
|
||
|
PikaColorProfile *dest_profile,
|
||
|
PikaColorRenderingIntent intent,
|
||
|
gboolean bpc,
|
||
|
PikaProgress *progress,
|
||
|
GError **error)
|
||
|
{
|
||
|
PikaColorProfile *src_profile;
|
||
|
|
||
|
g_return_val_if_fail (PIKA_IS_IMAGE (image), FALSE);
|
||
|
g_return_val_if_fail (PIKA_IS_COLOR_PROFILE (dest_profile), FALSE);
|
||
|
g_return_val_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress), FALSE);
|
||
|
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
|
||
|
|
||
|
if (! pika_image_validate_color_profile (image, dest_profile, NULL, error))
|
||
|
return FALSE;
|
||
|
|
||
|
src_profile = pika_color_managed_get_color_profile (PIKA_COLOR_MANAGED (image));
|
||
|
|
||
|
if (pika_color_profile_is_equal (src_profile, dest_profile))
|
||
|
return TRUE;
|
||
|
|
||
|
if (progress)
|
||
|
pika_progress_start (progress, FALSE,
|
||
|
_("Converting from '%s' to '%s'"),
|
||
|
pika_color_profile_get_label (src_profile),
|
||
|
pika_color_profile_get_label (dest_profile));
|
||
|
|
||
|
pika_image_undo_group_start (image, PIKA_UNDO_GROUP_IMAGE_CONVERT,
|
||
|
_("Color profile conversion"));
|
||
|
|
||
|
/* retain src_profile across pika_image_set_color_profile() */
|
||
|
g_object_ref (src_profile);
|
||
|
|
||
|
_pika_image_set_hidden_profile (image, NULL, TRUE);
|
||
|
|
||
|
pika_image_set_color_profile (image, dest_profile, NULL);
|
||
|
/* omg... */
|
||
|
pika_image_parasite_detach (image, "icc-profile-name", TRUE);
|
||
|
|
||
|
switch (pika_image_get_base_type (image))
|
||
|
{
|
||
|
case PIKA_RGB:
|
||
|
case PIKA_GRAY:
|
||
|
pika_image_convert_profile_layers (image,
|
||
|
src_profile, dest_profile,
|
||
|
intent, bpc,
|
||
|
progress);
|
||
|
break;
|
||
|
|
||
|
case PIKA_INDEXED:
|
||
|
pika_image_convert_profile_colormap (image,
|
||
|
src_profile, dest_profile,
|
||
|
intent, bpc,
|
||
|
progress);
|
||
|
pika_image_fix_layer_format_spaces (image, progress);
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
g_object_unref (src_profile);
|
||
|
|
||
|
pika_image_undo_group_end (image);
|
||
|
|
||
|
if (progress)
|
||
|
pika_progress_end (progress);
|
||
|
|
||
|
return TRUE;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
pika_image_import_color_profile (PikaImage *image,
|
||
|
PikaContext *context,
|
||
|
PikaProgress *progress,
|
||
|
gboolean interactive)
|
||
|
{
|
||
|
PikaColorProfile *profile = NULL;
|
||
|
|
||
|
g_return_if_fail (PIKA_IS_IMAGE (image));
|
||
|
g_return_if_fail (PIKA_IS_CONTEXT (context));
|
||
|
g_return_if_fail (progress == NULL || PIKA_IS_PROGRESS (progress));
|
||
|
|
||
|
if ((profile = pika_image_get_color_profile (image)))
|
||
|
{
|
||
|
PikaColorProfilePolicy policy;
|
||
|
PikaColorProfile *dest_profile = NULL;
|
||
|
PikaColorProfile *pref_profile = NULL;
|
||
|
PikaColorRenderingIntent intent;
|
||
|
gboolean bpc;
|
||
|
|
||
|
policy = PIKA_DIALOG_CONFIG (image->pika->config)->color_profile_policy;
|
||
|
intent = PIKA_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC;
|
||
|
bpc = TRUE;
|
||
|
|
||
|
if (pika_image_get_base_type (image) == PIKA_GRAY)
|
||
|
pref_profile = pika_color_config_get_gray_color_profile (image->pika->config->color_management, NULL);
|
||
|
else
|
||
|
pref_profile = pika_color_config_get_rgb_color_profile (image->pika->config->color_management, NULL);
|
||
|
|
||
|
if (policy == PIKA_COLOR_PROFILE_POLICY_ASK)
|
||
|
{
|
||
|
if (pika_color_profile_is_equal (profile, pika_image_get_builtin_color_profile (image)) ||
|
||
|
(pref_profile && pika_color_profile_is_equal (pref_profile, profile)))
|
||
|
{
|
||
|
/* If already using the default profile or the preferred
|
||
|
* profile for the image type, no need to ask. Just keep
|
||
|
* the profile.
|
||
|
*/
|
||
|
policy = PIKA_COLOR_PROFILE_POLICY_KEEP;
|
||
|
}
|
||
|
else if (interactive)
|
||
|
{
|
||
|
gboolean dont_ask = FALSE;
|
||
|
|
||
|
policy = pika_query_profile_policy (image->pika, image, context,
|
||
|
&dest_profile,
|
||
|
&intent, &bpc,
|
||
|
&dont_ask);
|
||
|
|
||
|
if (dont_ask)
|
||
|
{
|
||
|
g_object_set (G_OBJECT (image->pika->config),
|
||
|
"color-profile-policy", policy,
|
||
|
NULL);
|
||
|
}
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
policy = PIKA_COLOR_PROFILE_POLICY_KEEP;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (policy == PIKA_COLOR_PROFILE_POLICY_CONVERT_PREFERRED ||
|
||
|
policy == PIKA_COLOR_PROFILE_POLICY_CONVERT_BUILTIN)
|
||
|
{
|
||
|
if (! dest_profile)
|
||
|
{
|
||
|
if (policy == PIKA_COLOR_PROFILE_POLICY_CONVERT_PREFERRED)
|
||
|
{
|
||
|
if (pika_image_get_base_type (image) == PIKA_GRAY)
|
||
|
dest_profile = pika_color_config_get_gray_color_profile (image->pika->config->color_management, NULL);
|
||
|
else
|
||
|
dest_profile = pika_color_config_get_rgb_color_profile (image->pika->config->color_management, NULL);
|
||
|
}
|
||
|
|
||
|
if (! dest_profile)
|
||
|
{
|
||
|
/* Built-in policy or no preferred profile set. */
|
||
|
dest_profile = pika_image_get_builtin_color_profile (image);
|
||
|
g_object_ref (dest_profile);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
pika_image_convert_color_profile (image, dest_profile,
|
||
|
intent, bpc,
|
||
|
progress, NULL);
|
||
|
|
||
|
g_object_unref (dest_profile);
|
||
|
}
|
||
|
|
||
|
g_clear_object (&pref_profile);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
PikaColorTransform *
|
||
|
pika_image_get_color_transform_to_srgb_u8 (PikaImage *image)
|
||
|
{
|
||
|
PikaImagePrivate *private;
|
||
|
|
||
|
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
|
||
|
|
||
|
private = PIKA_IMAGE_GET_PRIVATE (image);
|
||
|
|
||
|
pika_image_create_color_transforms (image);
|
||
|
|
||
|
return private->transform_to_srgb_u8;
|
||
|
}
|
||
|
|
||
|
PikaColorTransform *
|
||
|
pika_image_get_color_transform_from_srgb_u8 (PikaImage *image)
|
||
|
{
|
||
|
PikaImagePrivate *private;
|
||
|
|
||
|
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
|
||
|
|
||
|
private = PIKA_IMAGE_GET_PRIVATE (image);
|
||
|
|
||
|
pika_image_create_color_transforms (image);
|
||
|
|
||
|
return private->transform_from_srgb_u8;
|
||
|
}
|
||
|
|
||
|
PikaColorTransform *
|
||
|
pika_image_get_color_transform_to_srgb_double (PikaImage *image)
|
||
|
{
|
||
|
PikaImagePrivate *private;
|
||
|
|
||
|
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
|
||
|
|
||
|
private = PIKA_IMAGE_GET_PRIVATE (image);
|
||
|
|
||
|
pika_image_create_color_transforms (image);
|
||
|
|
||
|
return private->transform_to_srgb_double;
|
||
|
}
|
||
|
|
||
|
PikaColorTransform *
|
||
|
pika_image_get_color_transform_from_srgb_double (PikaImage *image)
|
||
|
{
|
||
|
PikaImagePrivate *private;
|
||
|
|
||
|
g_return_val_if_fail (PIKA_IS_IMAGE (image), NULL);
|
||
|
|
||
|
private = PIKA_IMAGE_GET_PRIVATE (image);
|
||
|
|
||
|
pika_image_create_color_transforms (image);
|
||
|
|
||
|
return private->transform_from_srgb_double;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
pika_image_color_profile_pixel_to_rgb (PikaImage *image,
|
||
|
const Babl *pixel_format,
|
||
|
gpointer pixel,
|
||
|
PikaRGB *color)
|
||
|
{
|
||
|
PikaColorProfile *profile = NULL;
|
||
|
const Babl *space = NULL;
|
||
|
|
||
|
g_return_if_fail (PIKA_IS_IMAGE (image));
|
||
|
|
||
|
profile = pika_image_get_color_profile (image);
|
||
|
|
||
|
if (profile)
|
||
|
space = pika_color_profile_get_space (profile,
|
||
|
PIKA_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC,
|
||
|
NULL);
|
||
|
if (profile)
|
||
|
{
|
||
|
babl_process (babl_fish (pixel_format,
|
||
|
babl_format_with_space ("R'G'B'A double", space)),
|
||
|
pixel, color, 1);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
pika_rgba_set_pixel (color, pixel_format, pixel);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void
|
||
|
pika_image_color_profile_rgb_to_pixel (PikaImage *image,
|
||
|
const PikaRGB *color,
|
||
|
const Babl *pixel_format,
|
||
|
gpointer pixel)
|
||
|
{
|
||
|
PikaColorProfile *profile = NULL;
|
||
|
const Babl *space = NULL;
|
||
|
|
||
|
g_return_if_fail (PIKA_IS_IMAGE (image));
|
||
|
|
||
|
profile = pika_image_get_color_profile (image);
|
||
|
|
||
|
if (profile)
|
||
|
space = pika_color_profile_get_space (profile,
|
||
|
PIKA_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC,
|
||
|
NULL);
|
||
|
|
||
|
if (profile)
|
||
|
{
|
||
|
babl_process (babl_fish (babl_format_with_space ("R'G'B'A double", space),
|
||
|
pixel_format),
|
||
|
color, pixel, 1);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
pika_rgba_get_pixel (color, pixel_format, pixel);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/* internal API */
|
||
|
|
||
|
void
|
||
|
_pika_image_free_color_profile (PikaImage *image)
|
||
|
{
|
||
|
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
|
||
|
|
||
|
g_clear_object (&private->color_profile);
|
||
|
private->layer_space = NULL;
|
||
|
|
||
|
g_clear_object (&private->hidden_profile);
|
||
|
|
||
|
_pika_image_free_color_transforms (image);
|
||
|
}
|
||
|
|
||
|
void
|
||
|
_pika_image_free_color_transforms (PikaImage *image)
|
||
|
{
|
||
|
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
|
||
|
|
||
|
g_clear_object (&private->transform_to_srgb_u8);
|
||
|
g_clear_object (&private->transform_from_srgb_u8);
|
||
|
g_clear_object (&private->transform_to_srgb_double);
|
||
|
g_clear_object (&private->transform_from_srgb_double);
|
||
|
|
||
|
private->color_transforms_created = FALSE;
|
||
|
}
|
||
|
|
||
|
void
|
||
|
_pika_image_update_color_profile (PikaImage *image,
|
||
|
const PikaParasite *icc_parasite)
|
||
|
{
|
||
|
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
|
||
|
|
||
|
_pika_image_free_color_profile (image);
|
||
|
|
||
|
if (icc_parasite)
|
||
|
{
|
||
|
GError *error = NULL;
|
||
|
const guint8 *data;
|
||
|
guint32 data_size;
|
||
|
|
||
|
data = pika_parasite_get_data (icc_parasite, &data_size);
|
||
|
private->color_profile =
|
||
|
pika_color_profile_new_from_icc_profile (data, data_size, NULL);
|
||
|
|
||
|
private->layer_space =
|
||
|
pika_color_profile_get_space (private->color_profile,
|
||
|
PIKA_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC,
|
||
|
&error);
|
||
|
if (! private->layer_space)
|
||
|
{
|
||
|
g_printerr ("%s: failed to create Babl space from profile: %s\n",
|
||
|
G_STRFUNC, error->message);
|
||
|
g_clear_error (&error);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
pika_color_managed_profile_changed (PIKA_COLOR_MANAGED (image));
|
||
|
}
|
||
|
|
||
|
void
|
||
|
_pika_image_update_simulation_profile (PikaImage *image,
|
||
|
const PikaParasite *icc_parasite)
|
||
|
{
|
||
|
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
|
||
|
|
||
|
g_clear_object (&private->simulation_profile);
|
||
|
|
||
|
if (icc_parasite)
|
||
|
{
|
||
|
const guint8 *data;
|
||
|
guint32 data_size;
|
||
|
|
||
|
data = pika_parasite_get_data (icc_parasite, &data_size);
|
||
|
private->simulation_profile =
|
||
|
pika_color_profile_new_from_icc_profile (data, data_size, NULL);
|
||
|
}
|
||
|
|
||
|
pika_color_managed_simulation_profile_changed (PIKA_COLOR_MANAGED (image));
|
||
|
}
|
||
|
|
||
|
|
||
|
/* private functions */
|
||
|
|
||
|
static void
|
||
|
pika_image_convert_profile_layers (PikaImage *image,
|
||
|
PikaColorProfile *src_profile,
|
||
|
PikaColorProfile *dest_profile,
|
||
|
PikaColorRenderingIntent intent,
|
||
|
gboolean bpc,
|
||
|
PikaProgress *progress)
|
||
|
{
|
||
|
PikaObjectQueue *queue;
|
||
|
GList *layers;
|
||
|
GList *list;
|
||
|
PikaDrawable *drawable;
|
||
|
|
||
|
queue = pika_object_queue_new (progress);
|
||
|
progress = PIKA_PROGRESS (queue);
|
||
|
|
||
|
layers = pika_image_get_layer_list (image);
|
||
|
|
||
|
for (list = layers; list; list = g_list_next (list))
|
||
|
{
|
||
|
if (! pika_viewable_get_children (list->data))
|
||
|
pika_object_queue_push (queue, list->data);
|
||
|
}
|
||
|
|
||
|
g_list_free (layers);
|
||
|
|
||
|
while ((drawable = pika_object_queue_pop (queue)))
|
||
|
{
|
||
|
PikaItem *item = PIKA_ITEM (drawable);
|
||
|
GeglBuffer *buffer;
|
||
|
gboolean alpha;
|
||
|
|
||
|
alpha = pika_drawable_has_alpha (drawable);
|
||
|
|
||
|
buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0,
|
||
|
pika_item_get_width (item),
|
||
|
pika_item_get_height (item)),
|
||
|
pika_image_get_layer_format (image, alpha));
|
||
|
|
||
|
pika_gegl_convert_color_profile (pika_drawable_get_buffer (drawable),
|
||
|
NULL,
|
||
|
src_profile,
|
||
|
buffer,
|
||
|
NULL,
|
||
|
dest_profile,
|
||
|
intent, bpc,
|
||
|
progress);
|
||
|
|
||
|
pika_drawable_set_buffer (drawable, TRUE, NULL, buffer);
|
||
|
g_object_unref (buffer);
|
||
|
}
|
||
|
|
||
|
g_object_unref (queue);
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
pika_image_convert_profile_colormap (PikaImage *image,
|
||
|
PikaColorProfile *src_profile,
|
||
|
PikaColorProfile *dest_profile,
|
||
|
PikaColorRenderingIntent intent,
|
||
|
gboolean bpc,
|
||
|
PikaProgress *progress)
|
||
|
{
|
||
|
PikaColorTransform *transform;
|
||
|
const Babl *src_format;
|
||
|
const Babl *dest_format;
|
||
|
PikaColorTransformFlags flags = 0;
|
||
|
guchar *cmap;
|
||
|
gint n_colors;
|
||
|
|
||
|
n_colors = pika_image_get_colormap_size (image);
|
||
|
cmap = pika_image_get_colormap (image);
|
||
|
|
||
|
if (bpc)
|
||
|
flags |= PIKA_COLOR_TRANSFORM_FLAGS_BLACK_POINT_COMPENSATION;
|
||
|
|
||
|
src_format = pika_color_profile_get_format (src_profile,
|
||
|
babl_format ("R'G'B' u8"),
|
||
|
PIKA_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC,
|
||
|
NULL);
|
||
|
dest_format = pika_color_profile_get_format (dest_profile,
|
||
|
babl_format ("R'G'B' u8"),
|
||
|
PIKA_COLOR_RENDERING_INTENT_RELATIVE_COLORIMETRIC,
|
||
|
NULL);
|
||
|
|
||
|
transform = pika_color_transform_new (src_profile, src_format,
|
||
|
dest_profile, dest_format,
|
||
|
intent, flags);
|
||
|
|
||
|
if (transform)
|
||
|
{
|
||
|
pika_color_transform_process_pixels (transform,
|
||
|
babl_format ("R'G'B' u8"), cmap,
|
||
|
babl_format ("R'G'B' u8"), cmap,
|
||
|
n_colors);
|
||
|
g_object_unref (transform);
|
||
|
|
||
|
pika_image_set_colormap (image, cmap, n_colors, TRUE);
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
g_warning ("pika_color_transform_new() failed!");
|
||
|
}
|
||
|
|
||
|
g_free (cmap);
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
pika_image_fix_layer_format_spaces (PikaImage *image,
|
||
|
PikaProgress *progress)
|
||
|
{
|
||
|
PikaObjectQueue *queue;
|
||
|
GList *layers;
|
||
|
GList *list;
|
||
|
PikaLayer *layer;
|
||
|
|
||
|
queue = pika_object_queue_new (progress);
|
||
|
|
||
|
layers = pika_image_get_layer_list (image);
|
||
|
|
||
|
for (list = layers; list; list = g_list_next (list))
|
||
|
{
|
||
|
if (! pika_viewable_get_children (list->data))
|
||
|
pika_object_queue_push (queue, list->data);
|
||
|
}
|
||
|
|
||
|
g_list_free (layers);
|
||
|
|
||
|
while ((layer = pika_object_queue_pop (queue)))
|
||
|
{
|
||
|
pika_layer_fix_format_space (layer, TRUE, TRUE);
|
||
|
}
|
||
|
|
||
|
g_object_unref (queue);
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
pika_image_create_color_transforms (PikaImage *image)
|
||
|
{
|
||
|
PikaImagePrivate *private = PIKA_IMAGE_GET_PRIVATE (image);
|
||
|
|
||
|
if (private->color_profile &&
|
||
|
! private->color_transforms_created)
|
||
|
{
|
||
|
PikaColorProfile *srgb_profile;
|
||
|
PikaColorTransformFlags flags = 0;
|
||
|
|
||
|
srgb_profile = pika_color_profile_new_rgb_srgb ();
|
||
|
|
||
|
flags |= PIKA_COLOR_TRANSFORM_FLAGS_NOOPTIMIZE;
|
||
|
flags |= PIKA_COLOR_TRANSFORM_FLAGS_BLACK_POINT_COMPENSATION;
|
||
|
|
||
|
private->transform_to_srgb_u8 =
|
||
|
pika_color_transform_new (private->color_profile,
|
||
|
pika_image_get_layer_format (image, TRUE),
|
||
|
srgb_profile,
|
||
|
babl_format ("R'G'B'A u8"),
|
||
|
PIKA_COLOR_RENDERING_INTENT_PERCEPTUAL,
|
||
|
flags);
|
||
|
|
||
|
private->transform_from_srgb_u8 =
|
||
|
pika_color_transform_new (srgb_profile,
|
||
|
babl_format ("R'G'B'A u8"),
|
||
|
private->color_profile,
|
||
|
pika_image_get_layer_format (image, TRUE),
|
||
|
PIKA_COLOR_RENDERING_INTENT_PERCEPTUAL,
|
||
|
flags);
|
||
|
|
||
|
private->transform_to_srgb_double =
|
||
|
pika_color_transform_new (private->color_profile,
|
||
|
pika_image_get_layer_format (image, TRUE),
|
||
|
srgb_profile,
|
||
|
babl_format ("R'G'B'A double"),
|
||
|
PIKA_COLOR_RENDERING_INTENT_PERCEPTUAL,
|
||
|
flags);
|
||
|
|
||
|
private->transform_from_srgb_double =
|
||
|
pika_color_transform_new (srgb_profile,
|
||
|
babl_format ("R'G'B'A double"),
|
||
|
private->color_profile,
|
||
|
pika_image_get_layer_format (image, TRUE),
|
||
|
PIKA_COLOR_RENDERING_INTENT_PERCEPTUAL,
|
||
|
flags);
|
||
|
|
||
|
g_object_unref (srgb_profile);
|
||
|
|
||
|
private->color_transforms_created = TRUE;
|
||
|
}
|
||
|
}
|