public void Transform(Matrix matrix)
{
if (!regionPath.IsEmpty && !regionBounds.Equals(infinite))
{
foreach (var path in solution)
{
for (int p = 0; p < path.Count; p++)
{
var point = path [p];
TransformIntPoint(ref point, matrix);
path [p] = point;
}
}
PathsToInternalPath(solution);
}
}
public override void LayoutSubviews()
{
base.LayoutSubviews();
var newFrame = new CGRect(x: 0, y: 0, width: UIScreen.MainScreen.Bounds.Width,
height: UIScreen.MainScreen.Bounds.Height);
if (!newFrame.Equals(Frame))
{
Frame = newFrame;
// InitViews(true);
LayoutIfNeeded();
UpdateViewFrames();
}
// Show(false);
}
/// <summary>
/// Sets up a drag recongniser on this view, so it can be moved/dragged.
/// </summary>
/// <param name="BoundedBySuperview">
/// If set to <c>true</c> this frame cannot move past its parents frame boundary</param>
public void DragPanGestureRecognizer(bool BoundedBySuperview)
{
// create a new tap gesture
UIPanGestureRecognizer MovePadPanGesture = null;
Action <UIPanGestureRecognizer> actGesture = (pg) =>
{
System.nfloat x;
System.nfloat y;
CGPoint _nextMove;
AspyView _view = pg.View as AspyView;
// Get the last touched position in the swipe
_view.DragTranslationPoint = pg.TranslationInView(this.View.Superview);
if (pg.State == UIGestureRecognizerState.Began)
{
// Calc the allowed area for a drag
_view.DragValidFrame = new CGRect(
(_view.Frame.Width / 2),
(_view.Frame.Height / 2),
(_view.Superview.Frame.Width - _view.Frame.Width),
(_view.Superview.Frame.Height - _view.Frame.Height));
_view.DragStartPoint = pg.LocationInView(_view);
_view.DragLastCenterPoint = this.View.Center;
return;
}
if (pg.State == UIGestureRecognizerState.Cancelled)
{
this.View.Alpha = 1.0f;
return;
}
if (pg.State == UIGestureRecognizerState.Ended)
{
//_animate();
this.View.Alpha = 1.0f;
return;
}
if ((Math.Abs(_view.DragTranslationPoint.X) <= 1.0 && Math.Abs(_view.DragTranslationPoint.Y) <= 1.0))
{
return; // Ignore very small movements
}
if (BoundedBySuperview)
{
System.nfloat m = 0.0f;
System.nfloat n = 0.0f;
System.Boolean bRight = false;
System.Boolean bLeft = false;
System.Boolean bTop = false;
System.Boolean bBottom = false;
CGRect _superFrame = this.View.Superview.Frame;
// Create a new Rect based on the boundary variables crossed
CGRect _intersect = CGRect.Intersect(_superFrame, this.View.Frame);
if (!CGRect.Equals(_intersect, this.View.Frame))
{
m = _intersect.X + _intersect.Width;
n = _intersect.Y + _intersect.Height;
if (_superFrame.Width <= m)
{
// Hit the right
bRight = true;
}
if (_intersect.X <= 0)
{
// Hit the Left
bLeft = true;
}
if (_intersect.Y <= 0)
{
// Hit the Top
bTop = true;
}
if (_superFrame.Height <= n)
{
// Hit the Bottom
bBottom = true;
}
_view.DragCrossedSuperView = true;
}
else
{
_view.DragCrossedSuperView = false;
}
}
if (_view.DragVerticallyOnly)
{
x = _view.Frame.X;
}
else
{
x = _view.DragTranslationPoint.X + _view.DragLastCenterPoint.X;
}
if (_view.DragHorizontallyOnly)
{
y = _view.Frame.Y;
}
else
{
y = _view.DragTranslationPoint.Y + _view.DragLastCenterPoint.Y;
}
_nextMove = new CGPoint(x, y);
Action _animate = () =>
{
this.View.Alpha = 0.3f;
if (!BoundedBySuperview)
{
_view.Center = _nextMove;
}
if (_view.DragValidFrame.Contains(_nextMove))
{
_view.Center = _nextMove;
}
};
// You can use animation here.
// But Im unsure if its any better/faster/responsive then simply redefining the center.
UIView.Animate(0.1, _animate);
//_animate();
};
MovePadPanGesture = new UIPanGestureRecognizer(actGesture);
// Test to see how it work with one finger.
MovePadPanGesture.MaximumNumberOfTouches = 1;
MovePadPanGesture.MinimumNumberOfTouches = 1;
// add the gesture recognizer to the view
this.View.AddGestureRecognizer(MovePadPanGesture);
}
