plant.h

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

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

#ifndef __SYNFIG_PLANT_H
#define __SYNFIG_PLANT_H

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

#include <list>
#include <vector>
#include <synfig/layers/layer_composite.h>
#include <synfig/segment.h>
#include <synfig/blinepoint.h>
#include <synfig/value.h>
#include <synfig/gradient.h>
#include <synfig/angle.h>
#include "random.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 Plant : public Layer_Composite, public Layer_NoDeform
{
    SYNFIG_LAYER_MODULE_EXT
private:
    ValueBase param_bline;
    ValueBase param_origin;
    ValueBase param_gradient;
    ValueBase param_split_angle;
    ValueBase param_gravity;
    ValueBase param_velocity;
    ValueBase param_perp_velocity;
    ValueBase param_size;
    ValueBase param_size_as_alpha;
    ValueBase param_reverse;
    ValueBase param_step;
    ValueBase param_random;
    ValueBase param_splits;
    ValueBase param_sprouts;
    ValueBase param_random_factor;
    ValueBase param_drag;
    ValueBase param_use_width;

    bool bline_loop;

    struct Particle
    {
        Point point;
        Color color;

        Particle(const Point &point,const Color& color):
            point(point),color(color) { }
    };

    mutable std::vector<Particle> particle_list;
    mutable Rect    bounding_rect;
    Real mass;

    mutable bool needs_sync_;
    mutable Mutex mutex;

    void branch(int n, int depth,float t, float stunt_growth, Point position,Vector velocity)const;
    void sync()const;
    String version;
    void draw_particles(Surface *surface, const RendDesc &renddesc)const;
    void draw_particles(cairo_t *cr)const;

public:

    Plant();

    void calc_bounding_rect()const;

    virtual bool set_param(const String & param, const ValueBase &value);

    virtual ValueBase get_param(const String & param)const;

    virtual bool set_version(const String &ver);

    virtual Vocab get_param_vocab()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;
    using Layer::get_bounding_rect;
    virtual Rect get_bounding_rect(Context context)const;
};

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

#endif