/* === S Y N F I G ========================================================= */
/*! \file cairo_operators.h
** \brief Helper functions that use Cairo operators to do Synfig blending
**
** $Id$
**
** \legal
** 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_CAIRO_OPERATORS_H
#define __SYNFIG_CAIRO_OPERATORS_H
/* === H E A D E R S ======================================================= */
#include "color.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 ======================================= */
void cairo_paint_with_alpha_operator(cairo_t* cr, float alpha, synfig::Color::BlendMethod method);
void cairo_copy_surface(cairo_surface_t* source, cairo_surface_t* dest, float alpha=1.0);
cairo_surface_t* cairo_copy_target_image(cairo_surface_t* target, float alpha=1.0);
void cairo_surface_mask_alpha(cairo_surface_t* image, float alpha);
//void cairo_paint_operator(cairo_t* cr, Color::BlendMethod method);
//void cairo_stroke_operator(cairo_t* cr, Color::BlendMethod method);
//void cairo_fill_operator(cairo_t* cr, Color::BlendMethod method);
//void cairo_mask_operator(cairo_t* cr, cairo_pattern_t* pattern, Color::BlendMethod method);
/* === E N D =============================================================== */
#endif