mirror of https://github.com/GNOME/gimp.git
158 lines
3.8 KiB
C
158 lines
3.8 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimppixbuf.c
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* Copyright (C) 2005 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 <gtk/gtk.h>
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#include "widgets-types.h"
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#include "gimppixbuf.h"
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/* local function prototypes */
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static gint gimp_pixbuf_format_compare (GdkPixbufFormat *a,
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GdkPixbufFormat *b);
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/* public functions */
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GSList *
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gimp_pixbuf_get_formats (void)
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{
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return g_slist_sort (gdk_pixbuf_get_formats (),
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(GCompareFunc) gimp_pixbuf_format_compare);
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}
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void
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gimp_pixbuf_targets_add (GtkTargetList *target_list,
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guint info,
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gboolean writable)
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{
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GSList *formats;
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GSList *list;
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g_return_if_fail (target_list != NULL);
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formats = gimp_pixbuf_get_formats ();
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for (list = formats; list; list = g_slist_next (list))
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{
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GdkPixbufFormat *format = list->data;
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gchar **mime_types;
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gchar **type;
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if (writable && ! gdk_pixbuf_format_is_writable (format))
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continue;
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mime_types = gdk_pixbuf_format_get_mime_types (format);
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for (type = mime_types; *type; type++)
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{
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GdkAtom atom = gdk_atom_intern (*type, FALSE);
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gtk_target_list_add (target_list, atom, 0, info);
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}
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g_strfreev (mime_types);
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}
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g_slist_free (formats);
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}
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void
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gimp_pixbuf_targets_remove (GtkTargetList *target_list)
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{
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GSList *formats;
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GSList *list;
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g_return_if_fail (target_list != NULL);
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formats = gimp_pixbuf_get_formats ();
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for (list = formats; list; list = g_slist_next (list))
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{
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GdkPixbufFormat *format = list->data;
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gchar **mime_types;
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gchar **type;
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mime_types = gdk_pixbuf_format_get_mime_types (format);
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for (type = mime_types; *type; type++)
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{
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GdkAtom atom = gdk_atom_intern (*type, FALSE);
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gtk_target_list_remove (target_list, atom);
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}
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g_strfreev (mime_types);
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}
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g_slist_free (formats);
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}
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/* private functions */
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static gint
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gimp_pixbuf_format_compare (GdkPixbufFormat *a,
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GdkPixbufFormat *b)
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{
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gchar *a_name = gdk_pixbuf_format_get_name (a);
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gchar *b_name = gdk_pixbuf_format_get_name (b);
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gint retval = 0;
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#ifdef GDK_WINDOWING_WIN32
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/* move BMP to the front of the list */
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if (strcmp (a_name, "bmp") == 0)
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retval = -1;
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else if (strcmp (b_name, "bmp") == 0)
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retval = 1;
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else
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#endif
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/* move PNG to the front of the list */
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if (strcmp (a_name, "png") == 0)
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retval = -1;
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else if (strcmp (b_name, "png") == 0)
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retval = 1;
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/* move JPEG to the end of the list */
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else if (strcmp (a_name, "jpeg") == 0)
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retval = 1;
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else if (strcmp (b_name, "jpeg") == 0)
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retval = -1;
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/* move GIF to the end of the list */
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else if (strcmp (a_name, "gif") == 0)
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retval = 1;
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else if (strcmp (b_name, "gif") == 0)
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retval = -1;
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g_free (a_name);
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g_free (b_name);
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return retval;
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}
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