public void InitializePlayButton()
{
// Already initialized
if (PlayButton.Children.Count > 0)
{
return;
}
double canvasHeight = this.CellHeight / 5;
double canvasWidth = this.CellWidth;
double ellipseDiameter = canvasHeight * .7;
double ellipseRadius = ellipseDiameter / 2;
this.PlayButton.Height = canvasHeight;
Ellipse ellipse = new Ellipse
{
Width = ellipseDiameter,
Height = ellipseDiameter,
Fill = new SolidColorBrush
{
Color = selectedColor,
Opacity = 0.5
}
};
Canvas.SetLeft(ellipse, canvasWidth / 2 - ellipseDiameter / 2);
Point center = new Point(ellipseRadius, ellipseRadius);
PointCollection trianglePoints = BitmapUtilities.GetTriangleVerticesInscribedInCircle(center, (float)ellipseDiameter * .7f / 2);
// Construct the triangle
Polygon triangle = new Polygon
{
Points = trianglePoints,
Fill = new SolidColorBrush
{
Color = Colors.Blue,
Opacity = 0.5
},
};
Canvas.SetLeft(triangle, canvasWidth / 2 - ellipseDiameter / 2);
this.PlayButton.Children.Add(ellipse);
this.PlayButton.Children.Add(triangle);
}