private void demoGeometryFromPoints()
{
tess.Reset();
tess.Forward(30);
tess.Stamp();
tess.Forward(30);
Point[] pts = { new Point(-10, -10), new Point(15, 0), new Point(-10, 10), new Point(-4, 0) }; // a pointy arrowHead
tess.SetAppearance(Turtle.GeometryFromPoints(pts), null, null);
// tess.TurtleUI.Opacity = 0.4;
tess.Stamp();
tess.Forward(30);
tess.Stamp();
tess.Forward(30);
tess.Stamp();
tess.Forward(30);
BlurEffect be = new BlurEffect();
be.Radius = 10;
tess.TurtleUI.Effect = be;
tess.TurtleUI.Effect = new DropShadowEffect()
{
Direction = 3, Color = Colors.Black, ShadowDepth = 20
};
}
private void demoImageTurtle()
{
tess.Reset();
// We can make the linebrush an ImageBrush. Creating a different shape outline for the
// turtle works nicely too.
ImageSource src = new BitmapImage(new Uri("pack://application:,,,/" + imageName[imageIndx]));
imageIndx = (imageIndx + 1) % imageName.Length;
// make the turtle geometry into a rectangle that can hold the image exactly
double halfWidth = src.Width / 2.0;
double halfHeight = src.Height / 2.0;
Geometry g = Turtle.GeometryFromPoints(new Point[] {
new Point(-halfWidth, -halfHeight), new Point(halfWidth, -halfHeight), new Point(halfWidth, halfHeight), new Point(-halfWidth, halfHeight)
});
// Geometry g = new RectangleGeometry(new Rect(new Point(-halfWidth, -halfHeight), new Point(halfWidth, halfHeight)));
// Geometry g = new EllipseGeometry(new Point(0, 0), halfWidth, halfHeight);
ImageBrush brsh = new ImageBrush()
{
ImageSource = src
};
tess.SetAppearance(g, Brushes.Transparent, brsh);
doSomeStamping();
}