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/* GDK - The GIMP Drawing Kit
*
* Copyright © 2018 Benjamin Otte
*
* This 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.
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __GDK_WIN32_CAIRO_CONTEXT__
#define __GDK_WIN32_CAIRO_CONTEXT__
#include "gdkconfig.h"
#include "gdkcairocontextprivate.h"
G_BEGIN_DECLS
#define GDK_TYPE_WIN32_CAIRO_CONTEXT (gdk_win32_cairo_context_get_type ())
#define GDK_WIN32_CAIRO_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_WIN32_CAIRO_CONTEXT, GdkWin32CairoContext))
#define GDK_IS_WIN32_CAIRO_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_WIN32_CAIRO_CONTEXT))
#define GDK_WIN32_CAIRO_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_WIN32_CAIRO_CONTEXT, GdkWin32CairoContextClass))
#define GDK_IS_WIN32_CAIRO_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_WIN32_CAIRO_CONTEXT))
#define GDK_WIN32_CAIRO_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_WIN32_CAIRO_CONTEXT, GdkWin32CairoContextClass))
typedef struct _GdkWin32CairoContext GdkWin32CairoContext;
typedef struct _GdkWin32CairoContextClass GdkWin32CairoContextClass;
struct _GdkWin32CairoContext
{
GdkCairoContext parent_instance;
/* Set to TRUE when double-buffering is used.
* Layered windows use their own, custom double-buffering
* code that is unaffected by this flag.
*/
guint double_buffered : 1;
/* Re-set to the same value as GdkSurfaceImplWin32->layered
* every frame (since layeredness can change at runtime).
*/
guint layered : 1;
/* The a surface for double-buffering. We keep it
* around between repaints, and only re-allocate it
* if it's too small. */
cairo_surface_t *db_surface;
int db_width;
int db_height;
/* Surface for the window DC (in non-layered mode).
* A reference of the cache surface (in layered mode). */
cairo_surface_t *window_surface;
/* A reference to db_surface (when double-buffering).
* When not using double-buffering or in layered mode
* this is a reference to window_surface.
*/
cairo_surface_t *paint_surface;
};
struct _GdkWin32CairoContextClass
{
GdkCairoContextClass parent_class;
};
GDK_AVAILABLE_IN_ALL
GType gdk_win32_cairo_context_get_type (void) G_GNUC_CONST;
G_END_DECLS
#endif /* __GDK_WIN32_CAIRO_CONTEXT__ */
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