Canvas.h

#pragma once
#include <Windows.h>
#include <utility>
#include <vector>

#include "Sprite.h"


namespace ulib
{

    namespace canvas
    {
        using position = std::pair<int, int>;


        enum TEXT_ATTRIBUTES
        {
            TEXT_DARKBLUE  = 0x0001,
            TEXT_DARKGREEN = 0x0002,
            TEXT_DARKRED   = 0x0004,
            TEXT_INTENSITY = 0x0004,
        };


        enum BACKDROP_ATTRIBUTES
        {
            BACKDROP_BLUE      = 0x0010,
            BACKDROP_GREEN     = 0x0020,
            BACKDROP_RED       = 0x0040,
            BACKDROP_INTENSITY = 0x0040,
        };




        struct WindowInfo
        {
            HANDLE WriteHandle;
            HANDLE ReadHandle;
            SMALL_RECT WindowSize;
            COORD BufferSize;
            COORD CharBufferSize;
            COORD CharPosition;
            SMALL_RECT WriteArea;
            CHAR_INFO *Buffer;

            ~WindowInfo()
            {
                delete Buffer;
            }
        };




        class Canvas
        {
        private:
            WindowInfo info;
            std::vector<Sprite> sprites;
            std::vector<Shader> shaders;

        public:
            Canvas(short width, short height)
            {
                Init(width, height);
            }

            void Init(short width, short height);

            void Update();

            void Clear();

            void Display();

            void Draw(Sprite&, const unsigned short& = 1, position = { 0, 0 });
            void Draw(const std::string&, const unsigned short& = 0x0004, position = { 0, 0 });
            void Draw(const std::vector<std::string>&, const unsigned short& = 1, position = { 0, 0 });
        };

    }
    using namespace canvas;
}