layer_composite.h

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

/* === S T A R T =========================================================== */

#ifndef __SYNFIG_LAYER_COMPOSITE_H
#define __SYNFIG_LAYER_COMPOSITE_H

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

#include <synfig/layer.h>
#include <synfig/color.h>
#include <synfig/cairo_operators.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 Layer_NoDeform {};


class Layer_Composite : public Layer
{
private:
    ValueBase param_amount;
    ValueBase param_blend_method;

protected:
    Layer_Composite(Real amount=1.0, Color::BlendMethod blend_method=Color::BLEND_COMPOSITE);

    bool converted_blend_;
    bool transparent_color_;

public:
    float get_amount()const { return param_amount.get(Real()); }
    Layer_Composite& set_amount(float x) { param_amount.set(x); return *this; }
    Color::BlendMethod get_blend_method()const { return Color::BlendMethod((param_blend_method.get(int()))); }
    Layer_Composite& set_blend_method(Color::BlendMethod x) { param_blend_method.set(int(x)); return *this; }
    virtual bool is_solid_color()const { return param_amount.get(Real())==1.0f && param_blend_method.get(int())==Color::BLEND_STRAIGHT; }
    bool is_disabled()const { return param_amount.get(Real())==0.0f; }
    virtual Vocab get_param_vocab()const;
    virtual bool set_param(const String &param, const ValueBase &value);
    virtual ValueBase get_param(const String &param)const;
    virtual Rect get_full_bounding_rect(Context context)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;
}; // END of class Layer_Composite

}; // END of namespace synfig

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

#endif