gl_cursor.h

#pragma once
 
#include <string>
#include <vector>
 
#include "lib_begin.h"
 
namespace cgv {
    namespace render {
        namespace gl {
 
class CGV_API gl_cursor
{
public:
    int hot_x, hot_y;
    unsigned w, h;
    std::vector<unsigned> tex_ids;
    std::vector<unsigned> frames;
    std::vector<unsigned> periods;
    unsigned duration;
    void update_duration();
    void clear();
    void add_frame(unsigned tex_id);
public:
    gl_cursor();
    bool is_created() const;
 
    bool create(const std::string& id = "arrow");
    bool create_from_file(const std::string& file_name);
    unsigned get_width() const { return w; }
    unsigned get_height() const { return h; }
    int get_hot_x() const { return hot_x; }
    int get_hot_y() const { return hot_y; }
    void set_hot_spot(int _x, int _y) { hot_x = _x; hot_y = _x; }
    unsigned get_nr_steps() const;
    unsigned get_nr_frames() const;
    unsigned get_texture_id(unsigned frame_idx = 0) const;
    unsigned get_step_frame(unsigned step_idx) const;
    void set_step_frame(unsigned step_idx, unsigned frame_idx);
    unsigned get_step_period(unsigned step_idx) const;
    void set_step_period(unsigned step_idx, unsigned period);
    void append_step(unsigned frame_idx, unsigned period);
    unsigned find_step_index(double elapsed_seconds) const;
    unsigned get_frame_texture_id(int frame_idx) const;
 
    void draw(int x, int y, bool use_color = false, unsigned frame_idx = 0);
};
 
        }
    }
}
 
#include <cgv/config/lib_end.h>