canvas.c

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typedef bool PIXEL;
class Canvas
{
    int m_SizeX; int m_SizeY;
    
    ref array<ref array<PIXEL>> m_Pixels = new array<ref array<PIXEL>>;
    
    void Canvas(int size_x, int size_y)
    {
        m_SizeX = size_x;
        m_SizeY = size_y;
        for(int i = 0; i < size_y; i++)
        {
            array<PIXEL> x_line = new array<PIXEL>;
            for(int z = 0; z < size_x;z++)
            {
                x_line.Insert(false);
            }
            m_Pixels.Insert(x_line);
            
        }
    }
    
    void DrawPixel(int x, int y)
    {
        if((x > m_SizeX - 1) || (y > m_SizeY - 1))
            return;
        //Print("x:" +x+",y:"+y);
        m_Pixels.Get(y).InsertAt(true, x);
    }
    
    void PrintOut()
    {
        string line = "";
        int y_lines = m_SizeY - 1;
        for(int i = y_lines; i >= 0; i--)
        {
            line = "";
            for(int z = 0; z < m_SizeX;z++)
            {
                if(m_Pixels.Get(i).Get(z))
                {
                    line += "X";
                }
                else
                {
                    line += " ";
                }
            }
            Print(line);
        }
    }
    
    void SaveToFile(string filename)
    {
        FileHandle file = OpenFile("$profile:"+filename, FileMode.WRITE);
        
        string line = "";
        int y_lines = m_SizeY - 1;
        for(int i = y_lines; i >= 0; i--)
        {
            line = "";
            for(int z = 0; z < m_SizeX;z++)
            {
                if(m_Pixels.Get(i).Get(z))
                {
                    line += "X";
                }
                else
                {
                    line += " ";
                }
            }
            FPrintln(file, line);
        }
    }
}