curvegradient.h

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/* === S Y N F I G ========================================================= */
/* === S T A R T =========================================================== */

#ifndef __SYNFIG_CURVEGRADIENT_H
#define __SYNFIG_CURVEGRADIENT_H

/* === H E A D E R S ======================================================= */

#include <synfig/vector.h>
#include <synfig/layers/layer_composite.h>
#include <synfig/gradient.h>
#include <synfig/blinepoint.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 ======================================= */

using namespace synfig;
using namespace std;
using namespace etl;

class CurveGradient : public Layer_Composite, public Layer_NoDeform
{
    SYNFIG_LAYER_MODULE_EXT

private:
    ValueBase param_origin;
    ValueBase param_width;
    ValueBase param_bline;
    ValueBase param_gradient;
    ValueBase param_loop;
    ValueBase param_zigzag;
    ValueBase param_perpendicular;
    ValueBase param_fast;

    Real curve_length_;
    bool bline_loop;

    void sync();

    Color color_func(const Point &x, int quality=10, float supersample=0)const;

    float calc_supersample(const Point &x, float pw,float ph)const;

public:
    CurveGradient();

    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(synfig::Context context, const synfig::Point &point)const;

    virtual Vocab get_param_vocab()const;
};

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

#endif