public Canvas(int width, int height, IGameChip gameChip = null) : base(width, height)
{
this.gameChip = gameChip;
pattern = new Pattern(1, 1);
pattern.SetPixel(0, 0, 0);
stroke = new Pattern(1, 1);
stroke.SetPixel(0, 0, 0);
spriteSize = gameChip.SpriteSize();
}
