public async Task Icon ()
{
var size = new Size (64);
var canvas = Platforms.Current.CreateImageCanvas (size, scale: 2);
canvas.SaveState ();
canvas.Scale (size);
canvas.Translate (1 / 8.0, 0);
var p = new Path ();
p.MoveTo (0, 1,false);
p.LineTo (0, 0, false);
p.LineTo (0.5, 1, false);
p.LineTo (0.5, 0,false);
var colors = new [] {
"#DCDCDD",
"#C5C3C6",
"#46494C",
"#4C5C68",
"#68A5E2",
};
foreach (var c in colors) {
p.Pen = new Pen (c, 1 / 4.0);
p.Draw (canvas);
canvas.Translate (1 / 16.0, 0);
}
await SaveImage (canvas, "Icon.png");
}
public void TurtleGraphics()
{
var p = new Path ();
p.MoveTo (new Point (100, 200), false);
p.LineTo (new Point (200, 250));
p.LineTo (new Point (100, 300));
p.Close ();
}
public void Contains()
{
var p = new Path ();
p.MoveTo (new Point (0, 0), false);
p.LineTo (new Point (100, 0));
p.LineTo (new Point (100, 50));
p.Close ();
Assert.False (p.Contains (new Point (0, 1)));
Assert.True (p.Contains (new Point (0, 0)));
Assert.True (p.Contains (new Point (99, 49)));
Assert.False (p.Contains (new Point (50, 49)));
}
public async Task TriWithRadGrad ()
{
var canvas = Platform.CreateImageCanvas (new Size (100), transparency: true);
var size = new Size (100);
var b = new RadialGradientBrush (
new Point (0.5, 1), new Size(1),
Colors.Yellow, Colors.Blue);
var p = new Path ();
p.MoveTo (0, 0, false);
p.LineTo (size.Width, 0,false);
p.LineTo (size.Width / 2, size.Height,false);
p.Close ();
p.Brush = b;
p.Draw (canvas);
await SaveImage(canvas, "ImageCanvas.TriWithRadGrad");
}