private string sample23(ICanvasRenderingContext2D ctx)
{
double sin = Math.Sin(Math.PI/6);
double cos = Math.Cos(Math.PI/6);
ctx.translate(150, 150);
double c = 0;
for (int i = 0; i <= 12; i++)
{
c = Math.Floor(Convert.ToDouble(255/12*i));
ctx.fillStyle = "rgb(" + c + "," + c + "," + c + ")";
ctx.fillRect(0, 0, 100, 10);
ctx.transform(cos, sin, -sin, cos, 0, 0);
}
ctx.setTransform(-1, 0, 0, 1, 150, 150);
ctx.fillStyle = "rgba(255, 128, 255, 0.5)";
ctx.fillRect(0, 50, 100, 100);
return @"Originals\Transformations\sample23.png";
}