CAShapeLayer CreateShapeLayerWithBezierPath(UIBezierPath bezierPath)
{
/* Expand the shape bounds, so when it scales down a bit in the beginning, we have some padding */
var shapeBounds = Bounds.Inset(-Bounds.Width, -Bounds.Height);
using (var mutablePath = new CGPath()) {
mutablePath.AddRect(shapeBounds);
/* Move the icon to the middle */
var iconOffset = new CGPoint((Bounds.Width - bezierPath.Bounds.Width) / 2,
(Bounds.Height - bezierPath.Bounds.Height) / 2);
var iconTransform = CGAffineTransform.MakeTranslation(iconOffset.X, iconOffset.Y);
mutablePath.AddPath(iconTransform, bezierPath.CGPath);
var shapeLayer = (CAShapeLayer)CAShapeLayer.Create();
shapeLayer.Bounds = shapeBounds;
shapeLayer.Position = new CGPoint(Bounds.Width / 2, Bounds.Height / 2);
shapeLayer.Path = mutablePath;
shapeLayer.AnchorPoint = new CGPoint(0.5, 0.5);
shapeLayer.FillColor = BackgroundViewColor.CGColor;
return(shapeLayer);
}
}
private void AddCircles()
{
CGAffineTransform tnull = CGAffineTransform.MakeIdentity();
for (circleNumber = 0; circleNumber < maxCircleNumber; circleNumber++)
{
RectangleF f = new RectangleF((Frame.Width - circleSize) / 2 - 1, Frame.Height - circleSize - 1, circleSize + 2, circleSize + 2);
CAShapeLayer circleLayer = (CAShapeLayer)CAShapeLayer.Create();
circleLayer.Frame = f;
f.X = 0; f.Y = 0;
CGPath p = CGPath.EllipseFromRect(f, tnull); // crash in monotouch! - waiting for fix.
circleLayer.Path = p;
circleLayer.FillColor = Color.CGColor;
Layer.AddSublayer(circleLayer);
}
}
void AddChipLayerAtColumnRowColor(int column, int row, UIColor color)
{
int count = chipLayers [column].Count(c => c != null);
if (count < row + 1)
{
var newChip = (CAShapeLayer)CAShapeLayer.Create();
newChip.Path = chipPath.CGPath;
newChip.Frame = chipPath.Bounds;
newChip.FillColor = color.CGColor;
newChip.Position = PositionForChipLayerAtColumnRow(column, row);
View.Layer.AddSublayer(newChip);
CABasicAnimation animation = CABasicAnimation.FromKeyPath("position.y");
animation.From = NSNumber.FromNFloat(newChip.Frame.Height);
animation.To = NSNumber.FromNFloat(newChip.Position.Y);
animation.Duration = 0.5;
animation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseIn);
newChip.AddAnimation(animation, null);
chipLayers [column] [row] = newChip;
}
}
private void CommonInit()
{
var frame = this.Frame;
frame.Height = 43.0f;
this.Frame = frame;
// Init properties
mLastSelectedSegmentIndex = -1;
mSelectedSegmentIndex = -1;
arrowHeightFactor = -1.0f;
arrowPosition = DHSegmentedArrowPosition.Bottom;
interItemSpace = Defaults.kSDSegmentedControlInterItemSpace;
stainEdgeInsets = Defaults.kSDSegmentedControlStainEdgeInsets;
mItems = new List <UIView>();
// Appearance properties
animationDuration = Defaults.kSDSegmentedControlDefaultDuration;
arrowSize = Defaults.kSDSegmentedControlArrowSize;
this.AutoresizingMask = UIViewAutoresizing.FlexibleWidth;
// Reset UIKit original widget
this.Subviews.ToList().ForEach(x => x.RemoveFromSuperview());
this.Layer.BackgroundColor = UIColor.Clear.CGColor;
if (!IsiOS7)
{
this.BackgroundColor = new UIColor(0.961f, 0.961f, 0.961f, 1.0f);
this.ShadowColor = UIColor.Black;
this.ShadowRadius = 0.8f;
this.ShadowOpacity = 0.6f;
this.ShadowOffset = new CGSize(0, 1);
}
else
{
this.BackgroundColor = UIColor.Clear;
}
mBorderBottomLayer = (CAShapeLayer)CAShapeLayer.Create();
this.Layer.AddSublayer(mBorderBottomLayer);
if (!IsiOS7)
{
this.BorderColor = UIColor.White;
this.BorderWidth = 0.5f;
}
else
{
this.BorderColor = UIColor.Black;
this.BorderWidth = 0.25f;
}
mBorderBottomLayer.FillColor = null;
scrollView = new UIScrollView();
this.Add(scrollView);
scrollView.Delegate = new DSSegmentControlScollViewDelegate();
scrollView.ScrollsToTop = false;
scrollView.BackgroundColor = UIColor.Clear;
scrollView.ShowsVerticalScrollIndicator = false;
scrollView.ShowsHorizontalScrollIndicator = false;
mSelectedStainView = new DHStainView();
scrollView.Add(mSelectedStainView);
}
public BezierView()
{
shapeLayer = (CAShapeLayer)CAShapeLayer.Create();
shapeLayer.FillColor = new UIColor(0, 0, 0, 0).CGColor;
Layer.AddSublayer(shapeLayer);
}
public override void UpdateLayer()
{
base.UpdateLayer();
if (image != null && imageLayer == null)
{
Layer.MasksToBounds = false;
if (maskLayer == null)
{
maskLayer = CAShapeLayer.Create() as CAShapeLayer;
Layer.AddSublayer(maskLayer);
maskLayer.Path = CGPath.FromRoundedRect(Bounds, cornerRadius, cornerRadius);
}
imageLayer = CALayer.Create();
imageLayer.Mask = maskLayer;
imageLayer.MasksToBounds = true;
image.LockFocus();
imageLayer.Contents = image.CGImage;
imageLayer.ContentsGravity = CALayer.GravityResizeAspectFill;
image.UnlockFocus();
Layer.AddSublayer(imageLayer);
}
if (image == null)
{
imageLayer?.RemoveFromSuperLayer();
}
if (overlayAlpha > 0 && overlayLayer == null)
{
overlayLayer = new CALayer();
overlayLayer.BackgroundColor = overlayColor.ColorWithAlphaComponent(overlayAlpha).CGColor;
Layer.AddSublayer(overlayLayer);
}
if (overlayAlpha == 0 && overlayLayer != null)
{
overlayLayer.RemoveFromSuperLayer();
overlayLayer = null;
}
CATransaction.Begin();
CATransaction.DisableActions = true;
if (imageLayer != null)
{
if (imageLayer.Bounds.Width != Bounds.Width)
{
imageLayer.Frame = Bounds;
maskLayer.Path = CGPath.FromRoundedRect(Bounds, cornerRadius, cornerRadius);
}
}
if (overlayLayer != null && overlayLayer.SuperLayer != null && overlayLayer.Frame != Bounds)
{
overlayLayer.Frame = Bounds;
}
CATransaction.Commit();
}
