Learning_GTK4_tree/gdk/gdkdrawcontext.h

58 lines
2.2 KiB
C

/* GDK - The GIMP Drawing Kit
*
* gdkdrawcontext.h: base class for rendering system support
*
* Copyright © 2016 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/>.
*/
#pragma once
#if !defined (__GDK_H_INSIDE__) && !defined (GTK_COMPILATION)
#error "Only <gdk/gdk.h> can be included directly."
#endif
#include <gdk/gdktypes.h>
G_BEGIN_DECLS
#define GDK_TYPE_DRAW_CONTEXT (gdk_draw_context_get_type ())
#define GDK_DRAW_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_DRAW_CONTEXT, GdkDrawContext))
#define GDK_IS_DRAW_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_DRAW_CONTEXT))
GDK_AVAILABLE_IN_ALL
GType gdk_draw_context_get_type (void) G_GNUC_CONST;
GDK_AVAILABLE_IN_ALL
GdkDisplay * gdk_draw_context_get_display (GdkDrawContext *context);
GDK_AVAILABLE_IN_ALL
GdkSurface * gdk_draw_context_get_surface (GdkDrawContext *context);
GDK_AVAILABLE_IN_ALL
void gdk_draw_context_begin_frame (GdkDrawContext *context,
const cairo_region_t *region);
GDK_AVAILABLE_IN_ALL
void gdk_draw_context_end_frame (GdkDrawContext *context);
GDK_AVAILABLE_IN_ALL
gboolean gdk_draw_context_is_in_frame (GdkDrawContext *context);
GDK_AVAILABLE_IN_ALL
const cairo_region_t * gdk_draw_context_get_frame_region (GdkDrawContext *context);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GdkDrawContext, g_object_unref)
G_END_DECLS