canvas.hpp

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//====================================================
//     File data
//====================================================
//====================================================
//     Preprocessor settings
//====================================================
#pragma once
#ifndef OSMANIP_GRAPHICS_CANVAS_HPP
#define OSMANIP_GRAPHICS_CANVAS_HPP
 
//====================================================
//     Headers
//====================================================
 
// STD headers
#include <cstdint>
#include <string>
#include <string_view>
#include <vector>
 
namespace osm {
 
    //====================================================
    //     FrameStyle
    //====================================================
    typedef enum { EMPTY = 0, ASCII = 1, BOX = 2 } FrameStyle;
 
    //====================================================
    //     Canvas class
    //====================================================
    class Canvas {
        public:
 
            // Constructors
            explicit Canvas(uint32_t width, uint32_t height);
 
            // Setters
            void enableFrame(bool frame_enabled);
            void setFrame(FrameStyle, std::string_view feat = "");
            void setBackground(char c, std::string_view feat = "");
            void setWidth(uint32_t width);
            void setHeight(uint32_t height);
 
            // Getters
            char getBackground() const;
            std::string getBackgroundFeat() const;
            bool isFrameEnabled() const;
            std::string getFrameFeat() const;
            FrameStyle getFrameStyle() const;
            uint32_t getWidth() const;
            uint32_t getHeight() const;
 
            // Methods
            void clear();
            void put(uint32_t x, uint32_t y, char c, std::string_view feat = "");
            void refresh();
 
        private:
 
            // Members
            bool frame_enabled_;
            FrameStyle frame_style_;
            std::string frame_feat_;
            char bg_char_;
            std::string bg_feat_;
            std::vector<char> char_buffer_;
            std::vector<std::string> feat_buffer_;
            bool already_drawn_;
 
            // Constants
            static const std::vector<std::vector<std::string>> frames;
 
            // Methods
            void resizeCanvas();
 
        protected:
 
            // Members
            uint32_t width_, height_;
    };
}  // namespace osm
 
#endif