halftone3.h

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/* === S Y N F I G ========================================================= */
/* ========================================================================= */

/* === 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.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_Composite
{
    SYNFIG_LAYER_MODULE_EXT

private:
    ValueBase param_size;
    ValueBase param_type;
    Halftone tone[3];
    ValueBase param_color[3];
    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 &param, const ValueBase &value);
    virtual ValueBase get_param(const String &param)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; }
}; // END of class Halftone3

/* === E N D =============================================================== */

#endif