// Constructor(s)
public GLSignatureView(CGRect frame, NewSignatureViewController root) : base(frame)
{
nsvc = root;
this.EnableSetNeedsDisplay = true;
this.BackgroundColor = UIColor.Yellow;
// set up OpenGL context
this.context = new EAGLContext(EAGLRenderingAPI.OpenGLES2);
this.Context = this.context;
if (this.context != null)
{
this.DrawableDepthFormat = GLKViewDrawableDepthFormat.Format24;
// Turn on antialiasing
this.DrawableMultisample = GLKViewDrawableMultisample.Sample4x;
// More OpenGL setup
this.SetupGL();
// set up gesture recognizers
panner = new UIPanGestureRecognizer(this, new ObjCRuntime.Selector("GLSignatureViewPan:"));
panner.MaximumNumberOfTouches = panner.MinimumNumberOfTouches = 1;
this.AddGestureRecognizer(panner);
tapper = new UITapGestureRecognizer(this, new ObjCRuntime.Selector("GLSignatureViewTap:"));
this.AddGestureRecognizer(tapper);
}
else
{
throw new Exception("Failed to create OpenGL ES2 context");
}
}
public BezierSignatureView(CGRect frame, NewSignatureViewController root) : base(frame)
{
this.nsvc = root;
this.drawPath = new CGPath();
this.BackgroundColor = UIColor.Yellow;
this.MultipleTouchEnabled = false;
panner = new UIPanGestureRecognizer(this, new ObjCRuntime.Selector("BezierSignatureViewPan:"));
panner.MaximumNumberOfTouches = panner.MinimumNumberOfTouches = 1;
this.AddGestureRecognizer(panner);
}