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/*
* mate-thumbnail-pixbuf-utils.c: Utilities for handling pixbufs when thumbnailing
*
* Copyright (C) 2002 Red Hat, Inc.
*
* This file is part of the Mate Library.
*
* The Mate Library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* The Mate Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with the Mate Library; see the file COPYING.LIB. If not,
* write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#define MATE_DESKTOP_USE_UNSTABLE_API
#include "mate-desktop-thumbnail.h"
/**
* mate_desktop_thumbnail_scale_down_pixbuf:
* @pixbuf: a #GdkPixbuf
* @dest_width: the desired new width
* @dest_height: the desired new height
*
* Scales the pixbuf to the desired size. This function
* used to be a lot faster than gdk-pixbuf when scaling
* down by large amounts. This is not true anymore since
* gdk-pixbuf UNRELEASED. You should use
* gdk_pixbuf_scale_simple() instead, which this function
* now does internally.
*
* Return value: (transfer full): a scaled pixbuf
*
* Since: 2.2
**/
GdkPixbuf *
mate_desktop_thumbnail_scale_down_pixbuf (GdkPixbuf *pixbuf,
int dest_width,
int dest_height)
{
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
g_return_val_if_fail (gdk_pixbuf_get_width (pixbuf) >= dest_width, NULL);
g_return_val_if_fail (gdk_pixbuf_get_height (pixbuf) >= dest_height, NULL);
if (dest_width == 0 || dest_height == 0)
return NULL;
return gdk_pixbuf_scale_simple (pixbuf, dest_width, dest_height, GDK_INTERP_HYPER);
}
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