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);
    }
  }
}