mirror of
https://gitlab.gnome.org/GNOME/gtk.git
synced 2024-11-10 19:00:08 +00:00
5a5f8081f0
GdkRGBA is a boxed struct similar to GdkColor, with the difference that it stores alpha information as well, and colors are stored in [0..1] doubles, in the cairo spirit. gdk_cairo_set_source_rgba() has been also added to allow easier handling of this new type.
65 lines
2.6 KiB
C
65 lines
2.6 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/gdkrgba.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);
|
|
gboolean gdk_cairo_get_clip_rectangle(cairo_t *cr,
|
|
GdkRectangle *rect);
|
|
|
|
void gdk_cairo_set_source_color (cairo_t *cr,
|
|
const GdkColor *color);
|
|
void gdk_cairo_set_source_rgba (cairo_t *cr,
|
|
const GdkRGBA *rgba);
|
|
void gdk_cairo_set_source_pixbuf (cairo_t *cr,
|
|
const GdkPixbuf *pixbuf,
|
|
double pixbuf_x,
|
|
double pixbuf_y);
|
|
void gdk_cairo_set_source_window (cairo_t *cr,
|
|
GdkWindow *window,
|
|
double x,
|
|
double 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__ */
|