Quelle  gdkmemorytextureprivate.h

/*
 * Copyright © 2018 Benjamin Otte
 *
 * 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 2.1 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, see <http://www.gnu.org/licenses/>.
 *
 * Authors: Benjamin Otte <otte@gnome.org>
 */

#pragma once

#include "gdkmemorytexture.h"

#include "gdkmemorytexturebuilder.h"
#include "gdktextureprivate.h"

G_BEGIN_DECLS

#define GDK_MEMORY_GDK_PIXBUF_OPAQUE GDK_MEMORY_R8G8B8
#define GDK_MEMORY_GDK_PIXBUF_ALPHA GDK_MEMORY_R8G8B8A8

GdkMemoryTexture *      gdk_memory_texture_from_texture         (GdkTexture             *texture);
GdkTexture *            gdk_memory_texture_new_subtexture       (GdkMemoryTexture       *texture,
                                                                 int                     x,
                                                                 int                     y,
                                                                 int                     width,
                                                                 int                     height);

GdkTexture *            gdk_memory_texture_new_from_layout       (GBytes                *bytes,
                                                                  const GdkMemoryLayout *layout,
                                                                  GdkColorState         *color_state,
                                                                  GdkTexture            *update_texture,
                                                                  const cairo_region_t  *update_region);

GBytes *                gdk_memory_texture_get_bytes             (GdkMemoryTexture      *self);
const GdkMemoryLayout * gdk_memory_texture_get_layout            (GdkMemoryTexture      *self);


G_END_DECLS