gtk/gdk/gdkcairo.h
Benjamin Otte 96b387599d API: Add gdk_cairo_region_create_from_surface()
The function converts the given surface into an alpha bitmap mask. This
is mostly useful for setting shape regions.

Also adds a new internal function _gdk_cairo_surface_extents() that
computes a surface's extents.
2010-09-26 15:02:59 +02:00

60 lines
2.3 KiB
C

/* GDK - The GIMP Drawing Kit
* Copyright (C) 2005 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if !defined (__GDK_H_INSIDE__) && !defined (GDK_COMPILATION)
#error "Only <gdk/gdk.h> can be included directly."
#endif
#ifndef __GDK_CAIRO_H__
#define __GDK_CAIRO_H__
#include <gdk/gdkcolor.h>
#include <gdk/gdkpixbuf.h>
#include <pango/pangocairo.h>
G_BEGIN_DECLS
cairo_t *gdk_cairo_create (GdkDrawable *drawable);
void gdk_cairo_reset_clip (cairo_t *cr,
GdkDrawable *drawable);
void gdk_cairo_set_source_color (cairo_t *cr,
const GdkColor *color);
void gdk_cairo_set_source_pixbuf (cairo_t *cr,
const GdkPixbuf *pixbuf,
double pixbuf_x,
double pixbuf_y);
void gdk_cairo_set_source_pixmap (cairo_t *cr,
GdkPixmap *pixmap,
double pixmap_x,
double pixmap_y);
void gdk_cairo_rectangle (cairo_t *cr,
const GdkRectangle *rectangle);
void gdk_cairo_region (cairo_t *cr,
const cairo_region_t *region);
cairo_region_t *
gdk_cairo_region_create_from_surface
(cairo_surface_t *surface);
G_END_DECLS
#endif /* __GDK_CAIRO_H__ */