target_cairo_tile.h

Go to the documentation of this file.

/* === S Y N F I G ========================================================= */
/* ========================================================================= */

/* === S T A R T =========================================================== */

#ifndef __SYNFIG_TARGET_CAIRO_TILE_H
#define __SYNFIG_TARGET_CAIRO_TILE_H

/* === H E A D E R S ======================================================= */

#include "target.h"
#include "cairo.h"


/* === M A C R O S ========================================================= */

#define TILE_SIZE 120

/* === T Y P E D E F S ===================================================== */

/* === C L A S S E S & S T R U C T S ======================================= */

namespace synfig {

class CairoSurface;

class Target_Cairo_Tile : public Target
{
    int threads_;
    int tile_w_;
    int tile_h_;
    int curr_tile_;
    bool clipping_;

public:
    typedef etl::handle<Target_Cairo_Tile> Handle;
    typedef etl::loose_handle<Target_Cairo_Tile> LooseHandle;
    typedef etl::handle<const Target_Cairo_Tile> ConstHandle;
    Target_Cairo_Tile();

    virtual bool render(ProgressCallback *cb=NULL);


    virtual int next_tile(int& x, int& y);
    
    virtual int next_frame(Time& time);
    
    virtual bool add_tile(cairo_surface_t* surface, int x, int y)=0;
    virtual int total_tiles()const
    {
        // Width of the image(in tiles)
        const int tw(rend_desc().get_w()/tile_w_+(rend_desc().get_w()%tile_w_?1:0));
        const int th(rend_desc().get_h()/tile_h_+(rend_desc().get_h()%tile_h_?1:0));
        
        return tw*th;
    }
    void set_threads(int x) { threads_=x; }
    int get_threads()const { return threads_; }
    void set_tile_w(int w) { tile_w_=w; }
    int get_tile_w()const { return tile_w_; }
    void set_tile_h(int h) { tile_h_=h; }
    int get_tile_h()const { return tile_h_; }
    bool get_clipping()const { return clipping_; }
    void set_clipping(bool x) { clipping_=x; }
    
    

    virtual bool start_frame(ProgressCallback *cb=NULL)=0;
    

    virtual void end_frame()=0;
    
    static void gamma_filter(cairo_surface_t* surface, const synfig::Gamma gamma);

private:
    bool render_frame_(Context context,ProgressCallback *cb=0);

}; // END of class Target_Cairo_Tile

}; // END of namespace synfig

/* === E N D =============================================================== */

#endif