/* === S Y N F I G ========================================================= */
/*! \file halftone3.h
** \brief Header file for implementation of the "Halftone 3" layer
**
** $Id$
**
** \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_HALFTONE3_H
#define __SYNFIG_HALFTONE3_H
/* === H E A D E R S ======================================================= */
#include <synfig/vector.h>
#include <synfig/valuenode.h>
#include <synfig/layers/layer_composite_fork.h>
#include <synfig/time.h>
#include <synfig/angle.h>
#include "halftone.h"
/* === M A C R O S ========================================================= */
#define HALFTONE3_IMPORT_VALUE(x) \
if (#x=="tone[i].param_"+param && x.get_type()==value.get_type()) \
{ \
x=value; \
return true; \
} \
/* === T Y P E D E F S ===================================================== */
/* === C L A S S E S & S T R U C T S ======================================= */
using namespace synfig;
using namespace std;
using namespace etl;
class Halftone3 : public Layer_CompositeFork
{
SYNFIG_LAYER_MODULE_EXT
private:
//! Parameter: (Vector)
ValueBase param_size;
//! Parameter: (int)
ValueBase param_type;
//! Parameter: (class Halftone)
Halftone tone[3];
//! Parameter: (Color)
ValueBase param_color[3];
//! Parameter: (bool)
ValueBase param_subtractive;
float inverse_matrix[3][3];
Color color_func(const Point &x, float supersample,const Color &under_color)const;
float calc_supersample(const Point &x, float pw,float ph)const;
//float halftone_func(Point x)const;
void sync();
public:
Halftone3();
virtual bool set_param(const String ¶m, const ValueBase &value);
virtual ValueBase get_param(const String ¶m)const;
virtual Color get_color(Context context, const Point &pos)const;
virtual bool accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
virtual bool accelerated_cairorender(Context context, cairo_t *cr, int quality, const RendDesc &renddesc, ProgressCallback *cb)const;
Layer::Handle hit_check(Context context, const Point &point)const;
virtual Vocab get_param_vocab()const;
virtual bool reads_context()const { return true; }
protected:
virtual rendering::Task::Handle build_rendering_task_vfunc(Context context) const;
}; // END of class Halftone3
/* === E N D =============================================================== */
#endif