/// <summary>
/// Select a color based on the postion of args.TouchDevice if hit.
/// </summary>
/// <param name="args">The arguments for the input event.</param>
/// <param name="closeOnlyOnHit">Indicates if the ColorWheel should
/// be kept open when an actual color is chosen.</param>
/// <returns> true if a color was actually chosen.</returns>
private bool ChooseColor(InputEventArgs args, bool closeOnlyOnHit)
{
// If the color wheel is not visible, bail out
if (ColorWheel.Visibility == Visibility.Hidden)
{
return(false);
}
// Set the color on the CurrentColor indicator and on the SurfaceInkCanvas
Color color = GetPixelColor(args.Device);
// Black means the user touched the transparent part of the wheel. In that
// case, leave the color set to its current value
bool hit = color != Colors.Black;
if (hit)
{
inkCanvas.DefaultDrawingAttributes.Color = color;
CurrentEditingMode = SurfaceInkEditingMode.Ink;
}
args.Handled = true;
return(hit);
}
private void brushSelectButton_Click(object sender, RoutedEventArgs e)
{
this.CurrentEditingMode = SurfaceInkEditingMode.Ink;
}
private void rubberSelectButton_Click(object sender, RoutedEventArgs e)
{
this.CurrentEditingMode = SurfaceInkEditingMode.EraseByPoint;
}
public void switchDrawMode(SurfaceInkEditingMode mode)
{
if (currentPathCanvas != null)
currentPathCanvas.EditingMode = mode;
if (currentHighlightCanvas != null)
currentHighlightCanvas.EditingMode = mode;
}
