warp.h

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

#ifndef __SYNFIG_WARP_H
#define __SYNFIG_WARP_H

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

#include <synfig/vector.h>
#include <synfig/angle.h>
#include <synfig/layer.h>
#include <synfig/rect.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 Warp_Trans;

class Warp : public Layer
{
    SYNFIG_LAYER_MODULE_EXT
    friend class Warp_Trans;
private:
    ValueBase param_src_tl;
    ValueBase param_src_br;
    ValueBase param_dest_tl;
    ValueBase param_dest_tr;
    ValueBase param_dest_bl;
    ValueBase param_dest_br;
    ValueBase param_horizon;
    ValueBase param_clip;

    //Real cache_a,cache_b,cache_c,cache_d,cache_e,cache_f,cache_i,cache_j;

    Real matrix[3][3];
    Real inv_matrix[3][3];

    Point transform_forward(const Point& p)const;
    Point transform_backward(const Point& p)const;

    Real transform_forward_z(const Point& p)const;
    Real transform_backward_z(const Point& p)const;


public:
    void sync();

    Warp();
    ~Warp();

    virtual synfig::Rect get_full_bounding_rect(synfig::Context context)const;
    virtual synfig::Rect get_bounding_rect()const;

    virtual bool set_param(const synfig::String & param, const synfig::ValueBase &value);
    virtual ValueBase get_param(const synfig::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;
    synfig::Layer::Handle hit_check(synfig::Context context, const synfig::Point &point)const;
    virtual Vocab get_param_vocab()const;
    virtual etl::handle<synfig::Transform> get_transform()const;
};

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

#endif