Program Listing for File canvas.h

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/*
 * Canvas.h - Base class for drawing patterns on a Section.
 */

#ifndef CANVAS_H
#define CANVAS_H

#include <stdint.h>
#include "../core/colors.h"
#include "../core/point.h"
#include "../core/section.h"
#include "../core/timer/timer.h"
#include "fonts/font.h"

namespace PixelMaestro {
    class Section;
    class Timer;

    class Canvas {
        public:
            explicit Canvas(Section& section, uint16_t num_frames = 1);
            ~Canvas();
            void initialize();

            void clear();
            void draw_circle(uint16_t frame_index, uint8_t color_index, uint16_t origin_x, uint16_t origin_y, uint16_t radius, bool fill);
            void draw_frame(uint16_t frame_index, uint8_t* frame, uint16_t size_x, uint16_t size_y);
            void draw_line(uint16_t frame_index, uint8_t color_index, uint16_t origin_x, uint16_t origin_y, uint16_t target_x, uint16_t target_y);
            void draw_point(uint16_t frame_index, uint8_t color_index, uint16_t x, uint16_t y);
            void draw_rect(uint16_t frame_index, uint8_t color_index, uint16_t origin_x, uint16_t origin_y, uint16_t size_x, uint16_t size_y, bool fill);
            void draw_text(uint16_t frame_index, uint8_t color_index, uint16_t origin_x, uint16_t origin_y, Font& font, const char* text, uint8_t num_chars);
            void draw_triangle(uint16_t frame_index, uint8_t color_index, uint16_t point_a_x, uint16_t point_a_y, uint16_t point_b_x, uint16_t point_b_y, uint16_t point_c_x, uint16_t point_c_y, bool fill);
            void erase_point(uint16_t frame_index, uint16_t x, uint16_t y);
            uint16_t get_current_frame_index() const;
            Timer* get_frame_timer() const;
            uint8_t* get_frame(uint16_t frame) const;
            uint16_t get_num_frames() const;
            Palette* get_palette() const;
            Colors::RGB* get_pixel_color(uint16_t x, uint16_t y);
            Section& get_section() const;
            void next_frame();
            void previous_frame();
            void remove_frame_timer();
            void set_current_frame_index(uint16_t index);
            void set_frame_timer(uint16_t speed);
            void set_num_frames(uint16_t num_frames);
            void set_palette(Palette& palette);
            void update(const uint32_t& current_time);

        private:
            uint16_t current_frame_index_ = 0;

            Timer* frame_timer_ = nullptr;

            uint8_t** frames_ = nullptr;

            uint16_t num_frames_ = 0;

            Palette* palette_ = nullptr;

            Section& section_;

            void delete_frames();
    };
}

#endif // CANVAS_H