/usr/include/synfig-1.0/synfig/target_tile.h is in libsynfig-dev 1.0.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*! \file target_tile.h
** \brief Template Header
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** Copyright (c) 2008 Chris Moore
** Copyright (c) 2012-2013 Carlos López
**
** 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
{
//! Number of threads
int threads_;
//! Tile width in pixels
int tile_w_;
//! Tile height in pixles
int tile_h_;
//! The current tile being rendered
int curr_tile_;
//! Determines if the tiles should be clipped to the redener description
//! or not
bool clipping_;
struct TileGroup;
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);
//! Returns the number of peniding frames to render. If it is zero it
//! stops rendering frames.
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;
//! Returns the total tiles of the imaged rounded to integer number of tiles
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;
//!Sets the number of threads
void set_threads(int x) { threads_=x; }
//!Gets the number of threads
int get_threads()const { return threads_; }
//!Sets the tile widht
void set_tile_w(int w) { tile_w_=w; }
//!Gets the tile widht
int get_tile_w()const { return tile_w_; }
//!Sets the tile height
void set_tile_h(int h) { tile_h_=h; }
//!Gets the tile height
int get_tile_h()const { return tile_h_; }
//! Gets clipping
bool get_clipping()const { return clipping_; }
//! Sets clipping
void set_clipping(bool x) { clipping_=x; }
private:
//! Renders the context to the surface
bool render_frame_(Context context,ProgressCallback *cb=0);
}; // END of class Target_Tile
}; // END of namespace synfig
/* === E N D =============================================================== */
#endif
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