mirror of https://github.com/GNOME/gimp.git
881 lines
26 KiB
C
881 lines
26 KiB
C
/* GIMP - The GNU Image Manipulation Program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpimagefile.c
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*
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* Copyright (C) 2001-2004 Sven Neumann <sven@gimp.org>
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* 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 2 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <string.h>
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#include <gegl.h>
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#include <gdk-pixbuf/gdk-pixbuf.h>
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#include "libgimpbase/gimpbase.h"
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#include "libgimpthumb/gimpthumb.h"
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#include "core-types.h"
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#include "config/gimpcoreconfig.h"
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#include "gimp.h"
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#include "gimpcontainer.h"
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#include "gimpcontext.h"
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#include "gimpimage.h"
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#include "gimpimagefile.h"
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#include "gimpmarshal.h"
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#include "gimppickable.h"
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#include "gimpprogress.h"
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#include "file/file-open.h"
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#include "file/file-utils.h"
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#include "gimp-intl.h"
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enum
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{
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INFO_CHANGED,
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LAST_SIGNAL
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};
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static void gimp_imagefile_finalize (GObject *object);
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static void gimp_imagefile_name_changed (GimpObject *object);
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static void gimp_imagefile_info_changed (GimpImagefile *imagefile);
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static void gimp_imagefile_notify_thumbnail (GimpImagefile *imagefile,
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GParamSpec *pspec);
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static GdkPixbuf * gimp_imagefile_get_new_pixbuf (GimpViewable *viewable,
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GimpContext *context,
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gint width,
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gint height);
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static GdkPixbuf * gimp_imagefile_load_thumb (GimpImagefile *imagefile,
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gint width,
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gint height);
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static gboolean gimp_imagefile_save_thumb (GimpImagefile *imagefile,
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GimpImage *image,
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gint size,
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gboolean replace,
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GError **error);
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static gchar * gimp_imagefile_get_description (GimpViewable *viewable,
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gchar **tooltip);
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static void gimp_thumbnail_set_info_from_image (GimpThumbnail *thumbnail,
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const gchar *mime_type,
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GimpImage *image);
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static void gimp_thumbnail_set_info (GimpThumbnail *thumbnail,
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const gchar *mime_type,
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gint width,
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gint height,
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GimpImageType type,
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gint num_layers);
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G_DEFINE_TYPE (GimpImagefile, gimp_imagefile, GIMP_TYPE_VIEWABLE)
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#define parent_class gimp_imagefile_parent_class
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static guint gimp_imagefile_signals[LAST_SIGNAL] = { 0 };
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static void
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gimp_imagefile_class_init (GimpImagefileClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
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GimpViewableClass *viewable_class = GIMP_VIEWABLE_CLASS (klass);
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gchar *creator;
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gimp_imagefile_signals[INFO_CHANGED] =
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g_signal_new ("info-changed",
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G_TYPE_FROM_CLASS (klass),
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G_SIGNAL_RUN_FIRST,
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G_STRUCT_OFFSET (GimpImagefileClass, info_changed),
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NULL, NULL,
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gimp_marshal_VOID__VOID,
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G_TYPE_NONE, 0);
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object_class->finalize = gimp_imagefile_finalize;
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gimp_object_class->name_changed = gimp_imagefile_name_changed;
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viewable_class->name_changed_signal = "info-changed";
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viewable_class->get_new_pixbuf = gimp_imagefile_get_new_pixbuf;
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viewable_class->get_description = gimp_imagefile_get_description;
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g_type_class_ref (GIMP_TYPE_IMAGE_TYPE);
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creator = g_strdup_printf ("gimp-%d.%d",
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GIMP_MAJOR_VERSION, GIMP_MINOR_VERSION);
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gimp_thumb_init (creator, NULL);
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g_free (creator);
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}
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static void
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gimp_imagefile_init (GimpImagefile *imagefile)
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{
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imagefile->gimp = NULL;
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imagefile->thumbnail = gimp_thumbnail_new ();
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imagefile->description = NULL;
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g_signal_connect_object (imagefile->thumbnail, "notify",
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G_CALLBACK (gimp_imagefile_notify_thumbnail),
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imagefile, G_CONNECT_SWAPPED);
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}
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static void
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gimp_imagefile_finalize (GObject *object)
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{
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GimpImagefile *imagefile = GIMP_IMAGEFILE (object);
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if (imagefile->description)
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{
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if (! imagefile->static_desc)
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g_free (imagefile->description);
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imagefile->description = NULL;
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}
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if (imagefile->thumbnail)
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{
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g_object_unref (imagefile->thumbnail);
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imagefile->thumbnail = NULL;
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}
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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GimpImagefile *
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gimp_imagefile_new (Gimp *gimp,
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const gchar *uri)
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{
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GimpImagefile *imagefile;
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g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
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imagefile = g_object_new (GIMP_TYPE_IMAGEFILE, NULL);
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imagefile->gimp = gimp;
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if (uri)
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gimp_object_set_name (GIMP_OBJECT (imagefile), uri);
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return imagefile;
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}
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void
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gimp_imagefile_set_mime_type (GimpImagefile *imagefile,
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const gchar *mime_type)
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{
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g_return_if_fail (GIMP_IS_IMAGEFILE (imagefile));
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g_object_set (imagefile->thumbnail,
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"image-mimetype", mime_type,
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NULL);
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}
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void
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gimp_imagefile_update (GimpImagefile *imagefile)
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{
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gchar *uri;
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g_return_if_fail (GIMP_IS_IMAGEFILE (imagefile));
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gimp_viewable_invalidate_preview (GIMP_VIEWABLE (imagefile));
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g_object_get (imagefile->thumbnail,
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"image-uri", &uri,
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NULL);
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if (uri)
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{
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GimpImagefile *documents_imagefile = (GimpImagefile *)
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gimp_container_get_child_by_name (imagefile->gimp->documents, uri);
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if (documents_imagefile != imagefile &&
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GIMP_IS_IMAGEFILE (documents_imagefile))
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gimp_viewable_invalidate_preview (GIMP_VIEWABLE (documents_imagefile));
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g_free (uri);
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}
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}
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void
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gimp_imagefile_create_thumbnail (GimpImagefile *imagefile,
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GimpContext *context,
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GimpProgress *progress,
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gint size,
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gboolean replace)
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{
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GimpThumbnail *thumbnail;
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GimpThumbState image_state;
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g_return_if_fail (GIMP_IS_IMAGEFILE (imagefile));
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g_return_if_fail (GIMP_IS_CONTEXT (context));
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g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
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if (size < 1)
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return;
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thumbnail = imagefile->thumbnail;
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gimp_thumbnail_set_uri (thumbnail,
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gimp_object_get_name (GIMP_OBJECT (imagefile)));
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image_state = gimp_thumbnail_peek_image (thumbnail);
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if (image_state == GIMP_THUMB_STATE_REMOTE ||
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image_state >= GIMP_THUMB_STATE_EXISTS)
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{
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GimpImage *image;
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gboolean success;
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gint width = 0;
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gint height = 0;
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const gchar *mime_type = NULL;
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GError *error = NULL;
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GimpImageType type = -1;
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gint num_layers = -1;
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g_object_ref (imagefile);
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image = file_open_thumbnail (imagefile->gimp, context, progress,
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thumbnail->image_uri, size,
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&mime_type, &width, &height,
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&type, &num_layers, NULL);
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if (image)
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{
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gimp_thumbnail_set_info (imagefile->thumbnail,
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mime_type, width, height,
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type, num_layers);
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}
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else
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{
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GimpPDBStatusType status;
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image = file_open_image (imagefile->gimp, context, progress,
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thumbnail->image_uri,
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thumbnail->image_uri,
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FALSE, NULL, GIMP_RUN_NONINTERACTIVE,
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&status, &mime_type, NULL);
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if (image)
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gimp_thumbnail_set_info_from_image (imagefile->thumbnail,
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mime_type, image);
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}
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if (image)
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{
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success = gimp_imagefile_save_thumb (imagefile,
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image, size, replace,
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&error);
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g_object_unref (image);
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}
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else
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{
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success = gimp_thumbnail_save_failure (thumbnail,
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"GIMP " GIMP_VERSION,
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&error);
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gimp_imagefile_update (imagefile);
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}
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g_object_unref (imagefile);
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if (! success)
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{
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gimp_message_literal (imagefile->gimp,
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G_OBJECT (progress), GIMP_MESSAGE_ERROR,
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error->message);
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g_clear_error (&error);
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}
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}
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}
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/* The weak version doesn't ref the imagefile but deals gracefully
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* with an imagefile that is destroyed while the thumbnail is
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* created. Thia allows to use this function w/o the need to block
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* the user interface.
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*/
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void
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gimp_imagefile_create_thumbnail_weak (GimpImagefile *imagefile,
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GimpContext *context,
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GimpProgress *progress,
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gint size,
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gboolean replace)
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{
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GimpImagefile *local;
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const gchar *uri;
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g_return_if_fail (GIMP_IS_IMAGEFILE (imagefile));
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if (size < 1)
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return;
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uri = gimp_object_get_name (GIMP_OBJECT (imagefile));
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if (! uri)
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return;
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local = gimp_imagefile_new (imagefile->gimp, uri);
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g_object_add_weak_pointer (G_OBJECT (imagefile), (gpointer) &imagefile);
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gimp_imagefile_create_thumbnail (local, context, progress, size, replace);
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if (imagefile)
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{
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uri = gimp_object_get_name (GIMP_OBJECT (imagefile));
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if (uri &&
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strcmp (uri, gimp_object_get_name (GIMP_OBJECT (local))) == 0)
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{
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gimp_imagefile_update (imagefile);
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}
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g_object_remove_weak_pointer (G_OBJECT (imagefile),
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(gpointer) &imagefile);
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}
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g_object_unref (local);
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}
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gboolean
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gimp_imagefile_check_thumbnail (GimpImagefile *imagefile)
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{
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gint size;
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g_return_val_if_fail (GIMP_IS_IMAGEFILE (imagefile), FALSE);
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size = imagefile->gimp->config->thumbnail_size;
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if (size > 0)
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{
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GimpThumbState state;
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state = gimp_thumbnail_check_thumb (imagefile->thumbnail, size);
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return (state == GIMP_THUMB_STATE_OK);
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}
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return TRUE;
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}
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gboolean
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gimp_imagefile_save_thumbnail (GimpImagefile *imagefile,
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const gchar *mime_type,
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GimpImage *image)
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{
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gint size;
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gboolean success = TRUE;
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GError *error = NULL;
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g_return_val_if_fail (GIMP_IS_IMAGEFILE (imagefile), FALSE);
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g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
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size = imagefile->gimp->config->thumbnail_size;
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if (size > 0)
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{
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gimp_thumbnail_set_info_from_image (imagefile->thumbnail,
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mime_type, image);
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success = gimp_imagefile_save_thumb (imagefile,
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image, size, FALSE,
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&error);
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if (! success)
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{
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gimp_message_literal (imagefile->gimp, NULL, GIMP_MESSAGE_ERROR,
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error->message);
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g_clear_error (&error);
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}
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}
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return success;
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}
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static void
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gimp_imagefile_name_changed (GimpObject *object)
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{
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GimpImagefile *imagefile = GIMP_IMAGEFILE (object);
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if (GIMP_OBJECT_CLASS (parent_class)->name_changed)
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GIMP_OBJECT_CLASS (parent_class)->name_changed (object);
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gimp_thumbnail_set_uri (imagefile->thumbnail, gimp_object_get_name (object));
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}
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static void
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gimp_imagefile_info_changed (GimpImagefile *imagefile)
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{
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if (imagefile->description)
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{
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if (! imagefile->static_desc)
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g_free (imagefile->description);
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imagefile->description = NULL;
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}
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g_signal_emit (imagefile, gimp_imagefile_signals[INFO_CHANGED], 0);
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}
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static void
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gimp_imagefile_notify_thumbnail (GimpImagefile *imagefile,
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GParamSpec *pspec)
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{
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if (strcmp (pspec->name, "image-state") == 0 ||
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strcmp (pspec->name, "thumb-state") == 0)
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{
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gimp_imagefile_info_changed (imagefile);
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}
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}
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static GdkPixbuf *
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gimp_imagefile_get_new_pixbuf (GimpViewable *viewable,
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GimpContext *context,
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gint width,
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gint height)
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{
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GimpImagefile *imagefile = GIMP_IMAGEFILE (viewable);
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if (! gimp_object_get_name (GIMP_OBJECT (imagefile)))
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return NULL;
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return gimp_imagefile_load_thumb (imagefile, width, height);
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}
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static gchar *
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gimp_imagefile_get_description (GimpViewable *viewable,
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gchar **tooltip)
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{
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GimpImagefile *imagefile = GIMP_IMAGEFILE (viewable);
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GimpThumbnail *thumbnail = imagefile->thumbnail;
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gchar *basename;
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if (! thumbnail->image_uri)
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return NULL;
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if (tooltip)
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{
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gchar *filename;
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const gchar *desc;
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filename = file_utils_uri_display_name (thumbnail->image_uri);
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desc = gimp_imagefile_get_desc_string (imagefile);
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if (desc)
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{
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*tooltip = g_strdup_printf ("%s\n%s", filename, desc);
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g_free (filename);
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}
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else
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{
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*tooltip = filename;
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}
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}
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basename = file_utils_uri_display_basename (thumbnail->image_uri);
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if (thumbnail->image_width > 0 && thumbnail->image_height > 0)
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{
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gchar *tmp = basename;
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basename = g_strdup_printf ("%s (%d × %d)",
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tmp,
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thumbnail->image_width,
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thumbnail->image_height);
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g_free (tmp);
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}
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return basename;
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}
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const gchar *
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gimp_imagefile_get_desc_string (GimpImagefile *imagefile)
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{
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GimpThumbnail *thumbnail;
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g_return_val_if_fail (GIMP_IS_IMAGEFILE (imagefile), NULL);
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if (imagefile->description)
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return (const gchar *) imagefile->description;
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thumbnail = imagefile->thumbnail;
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switch (thumbnail->image_state)
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{
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case GIMP_THUMB_STATE_UNKNOWN:
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imagefile->description = NULL;
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imagefile->static_desc = TRUE;
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break;
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case GIMP_THUMB_STATE_FOLDER:
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imagefile->description = (gchar *) _("Folder");
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imagefile->static_desc = TRUE;
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break;
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case GIMP_THUMB_STATE_SPECIAL:
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imagefile->description = (gchar *) _("Special File");
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imagefile->static_desc = TRUE;
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break;
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case GIMP_THUMB_STATE_NOT_FOUND:
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imagefile->description =
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(gchar *) g_strerror (thumbnail->image_not_found_errno);
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imagefile->static_desc = TRUE;
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break;
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default:
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{
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GString *str = g_string_new (NULL);
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if (thumbnail->image_state == GIMP_THUMB_STATE_REMOTE)
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{
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g_string_append (str, _("Remote File"));
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}
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if (thumbnail->image_filesize > 0)
|
||
{
|
||
gchar *size = g_format_size_for_display (thumbnail->image_filesize);
|
||
|
||
if (str->len > 0)
|
||
g_string_append_c (str, '\n');
|
||
|
||
g_string_append (str, size);
|
||
g_free (size);
|
||
}
|
||
|
||
switch (thumbnail->thumb_state)
|
||
{
|
||
case GIMP_THUMB_STATE_NOT_FOUND:
|
||
if (str->len > 0)
|
||
g_string_append_c (str, '\n');
|
||
g_string_append (str, _("Click to create preview"));
|
||
break;
|
||
|
||
case GIMP_THUMB_STATE_EXISTS:
|
||
if (str->len > 0)
|
||
g_string_append_c (str, '\n');
|
||
g_string_append (str, _("Loading preview..."));
|
||
break;
|
||
|
||
case GIMP_THUMB_STATE_OLD:
|
||
if (str->len > 0)
|
||
g_string_append_c (str, '\n');
|
||
g_string_append (str, _("Preview is out of date"));
|
||
break;
|
||
|
||
case GIMP_THUMB_STATE_FAILED:
|
||
if (str->len > 0)
|
||
g_string_append_c (str, '\n');
|
||
g_string_append (str, _("Cannot create preview"));
|
||
break;
|
||
|
||
case GIMP_THUMB_STATE_OK:
|
||
{
|
||
if (thumbnail->image_state == GIMP_THUMB_STATE_REMOTE)
|
||
{
|
||
if (str->len > 0)
|
||
g_string_append_c (str, '\n');
|
||
|
||
g_string_append (str, _("(Preview may be out of date)"));
|
||
}
|
||
|
||
if (thumbnail->image_width > 0 && thumbnail->image_height > 0)
|
||
{
|
||
if (str->len > 0)
|
||
g_string_append_c (str, '\n');
|
||
|
||
g_string_append_printf (str,
|
||
ngettext ("%d × %d pixel",
|
||
"%d × %d pixels",
|
||
thumbnail->image_height),
|
||
thumbnail->image_width,
|
||
thumbnail->image_height);
|
||
}
|
||
|
||
if (thumbnail->image_type)
|
||
{
|
||
if (str->len > 0)
|
||
g_string_append_c (str, '\n');
|
||
|
||
g_string_append (str, gettext (thumbnail->image_type));
|
||
}
|
||
|
||
if (thumbnail->image_num_layers > 0)
|
||
{
|
||
if (thumbnail->image_type)
|
||
g_string_append_len (str, ", ", 2);
|
||
else if (str->len > 0)
|
||
g_string_append_c (str, '\n');
|
||
|
||
g_string_append_printf (str,
|
||
ngettext ("%d layer",
|
||
"%d layers",
|
||
thumbnail->image_num_layers),
|
||
thumbnail->image_num_layers);
|
||
}
|
||
}
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
|
||
imagefile->description = g_string_free (str, FALSE);
|
||
imagefile->static_desc = FALSE;
|
||
}
|
||
}
|
||
|
||
return (const gchar *) imagefile->description;
|
||
}
|
||
|
||
static GdkPixbuf *
|
||
gimp_imagefile_load_thumb (GimpImagefile *imagefile,
|
||
gint width,
|
||
gint height)
|
||
{
|
||
GimpThumbnail *thumbnail = imagefile->thumbnail;
|
||
GdkPixbuf *pixbuf = NULL;
|
||
GError *error = NULL;
|
||
gint size = MAX (width, height);
|
||
gint pixbuf_width;
|
||
gint pixbuf_height;
|
||
gint preview_width;
|
||
gint preview_height;
|
||
|
||
if (gimp_thumbnail_peek_thumb (thumbnail, size) < GIMP_THUMB_STATE_EXISTS)
|
||
return NULL;
|
||
|
||
if (thumbnail->image_state == GIMP_THUMB_STATE_NOT_FOUND)
|
||
return NULL;
|
||
|
||
pixbuf = gimp_thumbnail_load_thumb (thumbnail, size, &error);
|
||
|
||
if (! pixbuf)
|
||
{
|
||
if (error)
|
||
{
|
||
gimp_message (imagefile->gimp, NULL, GIMP_MESSAGE_ERROR,
|
||
_("Could not open thumbnail '%s': %s"),
|
||
thumbnail->thumb_filename, error->message);
|
||
g_clear_error (&error);
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
pixbuf_width = gdk_pixbuf_get_width (pixbuf);
|
||
pixbuf_height = gdk_pixbuf_get_height (pixbuf);
|
||
|
||
gimp_viewable_calc_preview_size (pixbuf_width,
|
||
pixbuf_height,
|
||
width,
|
||
height,
|
||
TRUE, 1.0, 1.0,
|
||
&preview_width,
|
||
&preview_height,
|
||
NULL);
|
||
|
||
if (preview_width < pixbuf_width || preview_height < pixbuf_height)
|
||
{
|
||
GdkPixbuf *scaled = gdk_pixbuf_scale_simple (pixbuf,
|
||
preview_width,
|
||
preview_height,
|
||
GDK_INTERP_BILINEAR);
|
||
g_object_unref (pixbuf);
|
||
pixbuf = scaled;
|
||
|
||
pixbuf_width = preview_width;
|
||
pixbuf_height = preview_height;
|
||
}
|
||
|
||
if (gdk_pixbuf_get_n_channels (pixbuf) != 3)
|
||
{
|
||
GdkPixbuf *tmp = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
|
||
pixbuf_width, pixbuf_height);
|
||
|
||
gdk_pixbuf_composite_color (pixbuf, tmp,
|
||
0, 0, pixbuf_width, pixbuf_height,
|
||
0.0, 0.0, 1.0, 1.0,
|
||
GDK_INTERP_NEAREST, 255,
|
||
0, 0, GIMP_CHECK_SIZE_SM,
|
||
0x66666666, 0x99999999);
|
||
|
||
g_object_unref (pixbuf);
|
||
pixbuf = tmp;
|
||
}
|
||
|
||
return pixbuf;
|
||
}
|
||
|
||
static gboolean
|
||
gimp_imagefile_save_thumb (GimpImagefile *imagefile,
|
||
GimpImage *image,
|
||
gint size,
|
||
gboolean replace,
|
||
GError **error)
|
||
{
|
||
GimpThumbnail *thumbnail = imagefile->thumbnail;
|
||
GdkPixbuf *pixbuf;
|
||
gint width, height;
|
||
gboolean success = FALSE;
|
||
|
||
if (size < 1)
|
||
return TRUE;
|
||
|
||
if (gimp_image_get_width (image) <= size &&
|
||
gimp_image_get_height (image) <= size)
|
||
{
|
||
width = gimp_image_get_width (image);
|
||
height = gimp_image_get_height (image);
|
||
|
||
size = MAX (width, height);
|
||
}
|
||
else
|
||
{
|
||
if (gimp_image_get_width (image) < gimp_image_get_height (image))
|
||
{
|
||
height = size;
|
||
width = MAX (1, (size * gimp_image_get_width (image) /
|
||
gimp_image_get_height (image)));
|
||
}
|
||
else
|
||
{
|
||
width = size;
|
||
height = MAX (1, (size * gimp_image_get_height (image) /
|
||
gimp_image_get_width (image)));
|
||
}
|
||
}
|
||
|
||
/* we need the projection constructed NOW, not some time later */
|
||
gimp_pickable_flush (GIMP_PICKABLE (image->projection));
|
||
|
||
pixbuf = gimp_viewable_get_new_pixbuf (GIMP_VIEWABLE (image),
|
||
/* random context, unused */
|
||
gimp_get_user_context (image->gimp),
|
||
width, height);
|
||
|
||
/* when layer previews are disabled, we won't get a pixbuf */
|
||
if (! pixbuf)
|
||
return TRUE;
|
||
|
||
success = gimp_thumbnail_save_thumb (thumbnail,
|
||
pixbuf,
|
||
"GIMP " GIMP_VERSION,
|
||
error);
|
||
|
||
g_object_unref (pixbuf);
|
||
|
||
if (success)
|
||
{
|
||
if (replace)
|
||
gimp_thumbnail_delete_others (thumbnail, size);
|
||
else
|
||
gimp_thumbnail_delete_failure (thumbnail);
|
||
|
||
gimp_imagefile_update (imagefile);
|
||
}
|
||
|
||
return success;
|
||
}
|
||
|
||
static void
|
||
gimp_thumbnail_set_info_from_image (GimpThumbnail *thumbnail,
|
||
const gchar *mime_type,
|
||
GimpImage *image)
|
||
{
|
||
GimpEnumDesc *desc;
|
||
GimpImageType type;
|
||
|
||
/* peek the thumbnail to make sure that mtime and filesize are set */
|
||
gimp_thumbnail_peek_image (thumbnail);
|
||
|
||
type = GIMP_IMAGE_TYPE_FROM_BASE_TYPE (gimp_image_base_type (image));
|
||
|
||
if (gimp_image_has_alpha (image))
|
||
type = GIMP_IMAGE_TYPE_WITH_ALPHA (type);
|
||
|
||
desc = gimp_enum_get_desc (g_type_class_peek (GIMP_TYPE_IMAGE_TYPE), type);
|
||
|
||
g_object_set (thumbnail,
|
||
"image-mimetype", mime_type,
|
||
"image-width", gimp_image_get_width (image),
|
||
"image-height", gimp_image_get_height (image),
|
||
"image-type", desc->value_desc,
|
||
"image-num-layers", gimp_container_get_n_children (image->layers),
|
||
NULL);
|
||
}
|
||
|
||
/**
|
||
* gimp_thumbnail_set_info:
|
||
* @thumbnail: #GimpThumbnail object
|
||
* @mime_type: MIME type of the image associated with this thumbnail
|
||
* @width: width of the image associated with this thumbnail
|
||
* @height: height of the image associated with this thumbnail
|
||
* @type: type of the image (or -1 if the type is not known)
|
||
* @num_layers: number of layers in the image
|
||
* (or -1 if the number of layers is not known)
|
||
*
|
||
* Set information about the image associated with the @thumbnail object.
|
||
*/
|
||
static void
|
||
gimp_thumbnail_set_info (GimpThumbnail *thumbnail,
|
||
const gchar *mime_type,
|
||
gint width,
|
||
gint height,
|
||
GimpImageType type,
|
||
gint num_layers)
|
||
{
|
||
/* peek the thumbnail to make sure that mtime and filesize are set */
|
||
gimp_thumbnail_peek_image (thumbnail);
|
||
|
||
g_object_set (thumbnail,
|
||
"image-mimetype", mime_type,
|
||
"image-width", width,
|
||
"image-height", height,
|
||
NULL);
|
||
|
||
if (type != -1)
|
||
{
|
||
GimpEnumDesc *desc;
|
||
|
||
desc = gimp_enum_get_desc (g_type_class_peek (GIMP_TYPE_IMAGE_TYPE),
|
||
type);
|
||
|
||
if (desc)
|
||
g_object_set (thumbnail,
|
||
"image-type", desc->value_desc,
|
||
NULL);
|
||
}
|
||
|
||
if (num_layers != -1)
|
||
{
|
||
g_object_set (thumbnail,
|
||
"image-num-layers", num_layers,
|
||
NULL);
|
||
}
|
||
}
|