1/*
2 * Copyright (C) 2012 Canonical Ltd
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free
16 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
17 * MA 02110-1301, USA.
18 *
19 * Authored by Andrea Cimitan <andrea.cimitan@canonical.com>
20 * Original code from Mirco Mueller <mirco.mueller@canonical.com>
21 *
22 */
23
24#ifndef _GSK_CAIRO_BLUR_H
25#define _GSK_CAIRO_BLUR_H
26
27#include <gdk/gdk.h>
28#include <cairo.h>
29
30G_BEGIN_DECLS
31
32typedef enum {
33 GSK_BLUR_NONE = 0,
34 GSK_BLUR_X = 1<<0,
35 GSK_BLUR_Y = 1<<1,
36 GSK_BLUR_REPEAT = 1<<2
37} GskBlurFlags;
38
39void gsk_cairo_blur_surface (cairo_surface_t *surface,
40 double radius,
41 GskBlurFlags flags);
42int gsk_cairo_blur_compute_pixels (double radius) G_GNUC_CONST;
43
44cairo_t * gsk_cairo_blur_start_drawing (cairo_t *cr,
45 float radius,
46 GskBlurFlags blur_flags);
47cairo_t * gsk_cairo_blur_finish_drawing (cairo_t *cr,
48 float radius,
49 const GdkRGBA *color,
50 GskBlurFlags blur_flags);
51
52G_END_DECLS
53
54#endif /* _GSK_CAIRO_BLUR_H */
55

source code of gtk/gsk/gskcairoblurprivate.h