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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:30:19 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:30:19 +0000
commit5c1676dfe6d2f3c837a5e074117b45613fd29a72 (patch)
treecbffb45144febf451e54061db2b21395faf94bfe /app/widgets/gimpviewrendererimagefile.c
parentInitial commit. (diff)
downloadgimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.tar.xz
gimp-5c1676dfe6d2f3c837a5e074117b45613fd29a72.zip
Adding upstream version 2.10.34.upstream/2.10.34upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'app/widgets/gimpviewrendererimagefile.c')
-rw-r--r--app/widgets/gimpviewrendererimagefile.c201
1 files changed, 201 insertions, 0 deletions
diff --git a/app/widgets/gimpviewrendererimagefile.c b/app/widgets/gimpviewrendererimagefile.c
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+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpviewrendererimagefile.c
+ * Copyright (C) 2004 Michael Natterer <mitch@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpthumb/gimpthumb.h"
+#include "libgimpwidgets/gimpwidgets.h"
+
+#include "widgets-types.h"
+
+#include "core/gimpimagefile.h"
+
+#include "gimpviewrendererimagefile.h"
+#include "gimpviewrenderer-frame.h"
+#include "gimpwidgets-utils.h"
+
+
+static void gimp_view_renderer_imagefile_render (GimpViewRenderer *renderer,
+ GtkWidget *widget);
+
+static GdkPixbuf * gimp_view_renderer_imagefile_get_icon (GimpImagefile *imagefile,
+ GtkWidget *widget,
+ gint size);
+
+
+G_DEFINE_TYPE (GimpViewRendererImagefile, gimp_view_renderer_imagefile,
+ GIMP_TYPE_VIEW_RENDERER)
+
+#define parent_class gimp_view_renderer_imagefile_parent_class
+
+
+static void
+gimp_view_renderer_imagefile_class_init (GimpViewRendererImagefileClass *klass)
+{
+ GimpViewRendererClass *renderer_class = GIMP_VIEW_RENDERER_CLASS (klass);
+
+ renderer_class->render = gimp_view_renderer_imagefile_render;
+}
+
+static void
+gimp_view_renderer_imagefile_init (GimpViewRendererImagefile *renderer)
+{
+}
+
+static void
+gimp_view_renderer_imagefile_render (GimpViewRenderer *renderer,
+ GtkWidget *widget)
+{
+ GdkPixbuf *pixbuf = gimp_view_renderer_get_frame_pixbuf (renderer, widget,
+ renderer->width,
+ renderer->height);
+
+ if (! pixbuf)
+ {
+ GimpImagefile *imagefile = GIMP_IMAGEFILE (renderer->viewable);
+
+ pixbuf = gimp_view_renderer_imagefile_get_icon (imagefile,
+ widget,
+ MIN (renderer->width,
+ renderer->height));
+ }
+
+ if (pixbuf)
+ {
+ gimp_view_renderer_render_pixbuf (renderer, widget, pixbuf);
+ g_object_unref (pixbuf);
+ }
+ else
+ {
+ const gchar *icon_name = gimp_viewable_get_icon_name (renderer->viewable);
+
+ gimp_view_renderer_render_icon (renderer, widget, icon_name);
+ }
+}
+
+
+/* The code to get an icon for a mime-type is lifted from GtkRecentManager. */
+
+static GdkPixbuf *
+get_icon_for_mime_type (const gchar *mime_type,
+ gint pixel_size)
+{
+ GtkIconTheme *icon_theme;
+ const gchar *separator;
+ GString *icon_name;
+ GdkPixbuf *pixbuf;
+
+ separator = strchr (mime_type, '/');
+ if (! separator)
+ return NULL;
+
+ icon_theme = gtk_icon_theme_get_default ();
+
+ /* try with the three icon name variants for MIME types */
+
+ /* canonicalize MIME type: foo/x-bar -> foo-x-bar */
+ icon_name = g_string_new (NULL);
+ g_string_append_len (icon_name, mime_type, separator - mime_type);
+ g_string_append_c (icon_name, '-');
+ g_string_append (icon_name, separator + 1);
+ pixbuf = gtk_icon_theme_load_icon (icon_theme, icon_name->str,
+ pixel_size, 0, NULL);
+ g_string_free (icon_name, TRUE);
+ if (pixbuf)
+ return pixbuf;
+
+ /* canonicalize MIME type, and prepend "gnome-mime-" */
+ icon_name = g_string_new ("gnome-mime-");
+ g_string_append_len (icon_name, mime_type, separator - mime_type);
+ g_string_append_c (icon_name, '-');
+ g_string_append (icon_name, separator + 1);
+ pixbuf = gtk_icon_theme_load_icon (icon_theme, icon_name->str,
+ pixel_size, 0, NULL);
+ g_string_free (icon_name, TRUE);
+ if (pixbuf)
+ return pixbuf;
+
+ /* try the MIME family icon */
+ icon_name = g_string_new ("gnome-mime-");
+ g_string_append_len (icon_name, mime_type, separator - mime_type);
+ pixbuf = gtk_icon_theme_load_icon (icon_theme, icon_name->str,
+ pixel_size, 0, NULL);
+ g_string_free (icon_name, TRUE);
+
+ return pixbuf;
+}
+
+static GdkPixbuf *
+gimp_view_renderer_imagefile_get_icon (GimpImagefile *imagefile,
+ GtkWidget *widget,
+ gint size)
+{
+ GdkScreen *screen = gtk_widget_get_screen (widget);
+ GtkIconTheme *icon_theme = gtk_icon_theme_get_for_screen (screen);
+ GimpThumbnail *thumbnail = gimp_imagefile_get_thumbnail (imagefile);
+ GdkPixbuf *pixbuf = NULL;
+
+ if (! gimp_object_get_name (imagefile))
+ return NULL;
+
+ if (! pixbuf)
+ {
+ GIcon *icon = gimp_imagefile_get_gicon (imagefile);
+
+ if (icon)
+ {
+ GtkIconInfo *info;
+
+ info = gtk_icon_theme_lookup_by_gicon (icon_theme, icon, size, 0);
+
+ if (info)
+ {
+ pixbuf = gtk_icon_info_load_icon (info, NULL);
+
+ gtk_icon_info_free (info);
+ }
+ }
+ }
+
+ if (! pixbuf && thumbnail->image_mimetype)
+ {
+ pixbuf = get_icon_for_mime_type (thumbnail->image_mimetype, size);
+ }
+
+ if (! pixbuf)
+ {
+ const gchar *icon_name = "text-x-generic";
+
+ if (thumbnail->image_state == GIMP_THUMB_STATE_FOLDER)
+ icon_name = "folder";
+
+ pixbuf = gtk_icon_theme_load_icon (icon_theme,
+ icon_name, size,
+ GTK_ICON_LOOKUP_USE_BUILTIN,
+ NULL);
+ }
+
+ return pixbuf;
+}