private void HandlePaintGLSurfaceTool(object sender, SKPaintGLSurfaceEventArgs e)
{
// See https://github.com/mono/SkiaSharp/issues/920
((SKGLControl)sender).MakeCurrent();
var bg = TransparencyKey.ToSKColor();
e.Surface.Canvas.Clear(bg);
phiddle.DrawTool(e.Surface.Canvas);
}
private void HandlePaintGLSurfaceZoom(object sender, SKPaintGLSurfaceEventArgs e)
{
// See https://github.com/mono/SkiaSharp/issues/920
var control = (SKGLControl)sender;
control.BringToFront();
control.MakeCurrent();
var bg = TransparencyKey.ToSKColor();
e.Surface.Canvas.Clear(bg);
phiddle.DrawZoomWindow(e.Surface.Canvas);
}
/// <summary>
/// Switches the Overlay between visible and mouse-event-enabled (wheat) and invisible (LightCyan)
/// </summary>
/// <returns>true if the overlay was toggled on, false if it was toggled off.</returns>
internal bool toggleOverlay()
{
if (TransparencyKey.Equals(Color.LightCyan))
{
TransparencyKey = Color.Wheat; // overlay on
this.Activate();
return(true);
}
else
{
TransparencyKey = Color.LightCyan;
basicOverlay.Ink.DeleteStrokes();
Panel.Invalidate();
pptController.pptApp.Activate();
return(false);
}
}
