texture_progress.h

/*************************************************************************/
/*  texture_progress.h                                                   */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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#ifndef TEXTURE_PROGRESS_H
#define TEXTURE_PROGRESS_H

#include "scene/gui/range.h"

class TextureProgress : public Range {

    OBJ_TYPE( TextureProgress, Range  );

    Ref<Texture> under;
    Ref<Texture> progress;
    Ref<Texture> over;

protected:

    static void _bind_methods();
    void _notification(int p_what);
public:

    enum FillMode {
        FILL_LEFT_TO_RIGHT=0,
        FILL_RIGHT_TO_LEFT,
        FILL_TOP_TO_BOTTOM,
        FILL_BOTTOM_TO_TOP,
        FILL_CLOCKWISE,
        FILL_COUNTER_CLOCKWISE
    };

    void set_fill_mode(int p_fill);
    int get_fill_mode();

    void set_radial_initial_angle(float p_angle);
    float get_radial_initial_angle();

    void set_fill_degrees(float p_angle);
    float get_fill_degrees();

    void set_radial_center_offset(const Point2 &p_off);
    Point2 get_radial_center_offset();

    void set_under_texture(const Ref<Texture>& p_texture);
    Ref<Texture> get_under_texture() const;

    void set_progress_texture(const Ref<Texture>& p_texture);
    Ref<Texture> get_progress_texture() const;

    void set_over_texture(const Ref<Texture>& p_texture);
    Ref<Texture> get_over_texture() const;

    Size2 get_minimum_size() const;

    TextureProgress();

private:

    FillMode mode;
    float rad_init_angle;
    float rad_max_degrees;
    Point2 rad_center_off;

    Point2 unit_val_to_uv(float val);
    Point2 get_relative_center();
};

#endif // TEXTURE_PROGRESS_H