-/* === S Y N F I G ========================================================= */
-/*! \file target_tile.h
-** \brief Template Header
-**
-** $Id$
-**
-** \legal
-** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
-** Copyright (c) 2008 Chris Moore
-**
-** This package is free software; you can redistribute it and/or
-** modify it under the terms of the GNU General Public License as
-** published by the Free Software Foundation; either version 2 of
-** the License, or (at your option) any later version.
-**
-** This package 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
-** General Public License for more details.
-** \endlegal
-*/
-/* ========================================================================= */
-
-/* === S T A R T =========================================================== */
-
-#ifndef __SYNFIG_TARGET_TILE_H
-#define __SYNFIG_TARGET_TILE_H
-
-/* === H E A D E R S ======================================================= */
-
-#include "target.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 Target_Tile
-** \brief Render-target
-** \todo writeme
-*/
-class Target_Tile : public Target
-{
- int threads_;
- int tile_w_;
- int tile_h_;
- int curr_tile_;
- int curr_frame_;
- bool clipping_;
-public:
- typedef etl::handle<Target_Tile> Handle;
- typedef etl::loose_handle<Target_Tile> LooseHandle;
- typedef etl::handle<const Target_Tile> ConstHandle;
-
- Target_Tile();
-
- //! Renders the canvas to the target
- virtual bool render(ProgressCallback *cb=NULL);
-
- //! Determines which tile needs to be rendered next.
- /*! Most cases will not have to redefine this function.
- ** The default should be adequate in nearly all situations.
- ** \returns The number of tiles left to go <i>plus one</i>.
- ** This means that whenever this function returns zero,
- ** there are no more tiles to render and that any value
- ** in \a x or \a y should be disregarded. */
- virtual int next_tile(int& x, int& y);
-
- virtual int next_frame(Time& time);
-
- //! Adds the tile at \a x , \a y contained in \a surface
- virtual bool add_tile(const synfig::Surface &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;
- }
-
- //! Marks the start of a frame
- /*! \return \c true on success, \c false upon an error.
- ** \see end_frame(), start_scanline()
- */
- virtual bool start_frame(ProgressCallback *cb=NULL)=0;
-
- //! Marks the end of a frame
- /*! \see start_frame() */
- virtual void end_frame()=0;
-
- 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; }
-
-private:
-
- bool render_frame_(Context context,ProgressCallback *cb=0);
-
-}; // END of class Target_Tile
-
-}; // END of namespace synfig
-
-/* === E N D =============================================================== */
-
-#endif