/usr/include/synfig-1.0/synfig/target_cairo.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_cairo.h
** \brief Template Header for the Target Cairo class
**
** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
** 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_CAIRO_H
#define __SYNFIG_TARGET_CAIRO_H
/* === H E A D E R S ======================================================= */
#include "target.h"
#include "cairo.h"
/* === M A C R O S ========================================================= */
/* === 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
** \brief This is a Target class that implements the render fucntion
* for a CairoSurface
*/
class Target_Cairo : public Target
{
//! Number of threads to use
// int threads_;
public:
typedef etl::handle<Target_Cairo> Handle;
typedef etl::loose_handle<Target_Cairo> LooseHandle;
typedef etl::handle<const Target_Cairo> ConstHandle;
//! Default constructor (current frame = 0)
Target_Cairo();
//! Renders the canvas to the target
virtual bool render(ProgressCallback *cb=NULL);
//! Obtain a surface pointer based on the render method
//! this function has to be overrrided by the derived targets
//! to create the proper Cairo backend surface for each target type.
virtual bool obtain_surface(cairo_surface_t*&)=0;
//! Returns the number of peniding frames to render. If it is zero it
//! stops rendering frames.
virtual int next_frame(Time& time);
//! Puts the rendered surface onto the target.
virtual bool put_surface(cairo_surface_t *surface, ProgressCallback *cb=NULL);
//! Filters the cairo surface based on gamma (hardcored for the moment to 2.2)
static void gamma_filter(cairo_surface_t* surface, const synfig::Gamma gamma);
private:
}; // END of class Target_Cairo
}; // END of namespace synfig
/* === E N D =============================================================== */
#endif
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