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#ifndef MYPAINTTILEDSURFACE_H
#define MYPAINTTILEDSURFACE_H
#include <stdint.h>
#include <mypaint-surface.h>
#include <mypaint-config.h>
G_BEGIN_DECLS
typedef struct MyPaintTiledSurface MyPaintTiledSurface;
typedef struct {
int tx;
int ty;
gboolean readonly;
guint16 *buffer;
gpointer context; /* Only to be used by the surface implemenations. */
int thread_id;
int mipmap_level;
} MyPaintTileRequest;
void
mypaint_tile_request_init(MyPaintTileRequest *data, int level,
int tx, int ty, gboolean readonly);
typedef void (*MyPaintTileRequestStartFunction) (MyPaintTiledSurface *self, MyPaintTileRequest *request);
typedef void (*MyPaintTileRequestEndFunction) (MyPaintTiledSurface *self, MyPaintTileRequest *request);
typedef void (*MyPaintTiledSurfaceAreaChanged) (MyPaintTiledSurface *self, int bb_x, int bb_y, int bb_w, int bb_h);
/**
* MyPaintTiledSurface:
*
* Interface and convenience class for implementing a #MyPaintSurface backed by a tile store.
*
* The size of the surface is infinite, and consumers need just implement two vfuncs.
*/
struct MyPaintTiledSurface {
MyPaintSurface parent;
/* private: */
MyPaintTileRequestStartFunction tile_request_start;
MyPaintTileRequestEndFunction tile_request_end;
gboolean surface_do_symmetry;
float surface_center_x;
struct OperationQueue *operation_queue;
MyPaintRectangle dirty_bbox;
gboolean threadsafe_tile_requests;
int tile_size;
};
void
mypaint_tiled_surface_init(MyPaintTiledSurface *self,
MyPaintTileRequestStartFunction tile_request_start,
MyPaintTileRequestEndFunction tile_request_end);
void
mypaint_tiled_surface_destroy(MyPaintTiledSurface *self);
void
mypaint_tiled_surface_set_symmetry_state(MyPaintTiledSurface *self, gboolean active, float center_x);
float
mypaint_tiled_surface_get_alpha (MyPaintTiledSurface *self, float x, float y, float radius);
void mypaint_tiled_surface_tile_request_start(MyPaintTiledSurface *self, MyPaintTileRequest *request);
void mypaint_tiled_surface_tile_request_end(MyPaintTiledSurface *self, MyPaintTileRequest *request);
void mypaint_tiled_surface_begin_atomic(MyPaintTiledSurface *self);
void mypaint_tiled_surface_end_atomic(MyPaintTiledSurface *self, MyPaintRectangle *roi);
G_END_DECLS
#endif // MYPAINTTILEDSURFACE_H
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