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#pragma once
#include "gdktexture.h"
#include "gdkenums.h"
G_BEGIN_DECLS
#define GDK_TEXTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_TEXTURE, GdkTextureClass))
#define GDK_IS_TEXTURE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_TEXTURE))
#define GDK_TEXTURE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_TEXTURE, GdkTextureClass))
struct _GdkTexture
{
GObject parent_instance;
GdkMemoryFormat format;
int width;
int height;
gpointer render_key;
gpointer render_data;
GDestroyNotify render_notify;
/* for diffing swapchain-like textures.
* Links are only valid if both textures agree on them */
gpointer next_texture; /* atomic, no reference, may be invalid pointer */
gpointer previous_texture; /* no reference, may be invalid pointer */
cairo_region_t *diff_to_previous;
};
struct _GdkTextureClass {
GObjectClass parent_class;
/* mandatory: Download in the given format into data */
void (* download) (GdkTexture *texture,
GdkMemoryFormat format,
guchar *data,
gsize stride);
};
gboolean gdk_texture_can_load (GBytes *bytes);
GdkTexture * gdk_texture_new_for_surface (cairo_surface_t *surface);
cairo_surface_t * gdk_texture_download_surface (GdkTexture *texture);
void gdk_texture_do_download (GdkTexture *texture,
GdkMemoryFormat format,
guchar *data,
gsize stride);
void gdk_texture_diff (GdkTexture *self,
GdkTexture *other,
cairo_region_t *region);
void gdk_texture_set_diff (GdkTexture *self,
GdkTexture *previous,
cairo_region_t *diff);
gboolean gdk_texture_set_render_data (GdkTexture *self,
gpointer key,
gpointer data,
GDestroyNotify notify);
void gdk_texture_clear_render_data (GdkTexture *self);
gpointer gdk_texture_get_render_data (GdkTexture *self,
gpointer key);
G_END_DECLS
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