本文整理汇总了C#中CALayer.SetValueForKeyPath方法的典型用法代码示例。如果您正苦于以下问题：C# CALayer.SetValueForKeyPath方法的具体用法？C# CALayer.SetValueForKeyPath怎么用？C# CALayer.SetValueForKeyPath使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CALayer的用法示例。
在下文中一共展示了CALayer.SetValueForKeyPath方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CreateBarAnimationForHeight
public void CreateBarAnimationForHeight ( CALayer layer, nfloat toValue, CAAnimationDelegate @delegate)
{
const string key = "bounds.size.height";
var _fromValue = layer.ValueForKeyPath ( new NSString ( key));
var _toValue = new NSNumber (toValue);
var _key = new NSString (key);
var barAnimation = CABasicAnimation.FromKeyPath (key);
var currentValue = _fromValue;
if (layer.PresentationLayer != null) {
currentValue = layer.PresentationLayer.ValueForKeyPath (_key);
}
barAnimation.From = currentValue;
barAnimation.To = _toValue;
barAnimation.Delegate = @delegate;
barAnimation.TimingFunction = CAMediaTimingFunction.FromName (CAMediaTimingFunction.Default);
layer.AddAnimation (barAnimation, key);
layer.SetValueForKeyPath (_toValue, _key);
}示例2: CreateAnimationForKeyPath
public void CreateAnimationForKeyPath ( CALayer layer, string key, float toValue )
{
var _fromValue = layer.ValueForKeyPath ( new NSString ( key));
var _toValue = new NSNumber (toValue);
var _key = new NSString (key);
var barAnimation = CABasicAnimation.FromKeyPath (key);
var currentValue = _fromValue;
if (layer.PresentationLayer != null) {
currentValue = layer.PresentationLayer.ValueForKeyPath (_key);
}
barAnimation.From = currentValue;
barAnimation.To = _toValue;
barAnimation.TimingFunction = CAMediaTimingFunction.FromName (CAMediaTimingFunction.Default);
layer.AddAnimation (barAnimation, key);
layer.SetValueForKeyPath (_toValue, _key);
}示例3: CreateBarLayer
private BarLayer CreateBarLayer ( nfloat barHeight)
{
var barLayer = new BarLayer () {
ZPosition = 0,
BorderColor = UIColor.White.CGColor,
AnchorPoint = new CGPoint ( 0.0f, 0.5f),
Frame = new CGRect ( 0, 0, Bounds.Width, barHeight)
};
var mainBar = new CALayer ();
mainBar.AnchorPoint = new CGPoint (0.0f, 0.0f);
mainBar.Bounds = new CGRect ( 0, 0, Bounds.Width - xAxisMargin - xTextMargin, barHeight);
mainBar.Position = new CGPoint ( xAxisMargin, 0);
mainBar.BackgroundColor = MainBarColor.CGColor;
mainBar.SetValueForKeyPath ( new NSNumber ( minBarScale), new NSString ( "transform.scale.x"));
barLayer.AddSublayer (mainBar);
var secondaryBar = new CALayer ();
secondaryBar.AnchorPoint = new CGPoint (0.0f, 0.0f);
secondaryBar.Bounds = new CGRect ( 0, 0, Bounds.Width - xAxisMargin - xTextMargin, barHeight);
secondaryBar.Position = new CGPoint ( xAxisMargin, 0);
secondaryBar.BackgroundColor = SecondaryBarColor.CGColor;
secondaryBar.SetValueForKeyPath ( new NSNumber ( minBarScale), new NSString ( "transform.scale.x"));
barLayer.AddSublayer (secondaryBar);
var emptyBar = new CALayer ();
emptyBar.AnchorPoint = new CGPoint (0.0f, 0.0f);
emptyBar.Bounds = new CGRect ( 0, 0, 2.0f, barHeight);
emptyBar.Position = new CGPoint ( xAxisMargin, 0);
emptyBar.BackgroundColor = UIColor.Gray.CGColor;
barLayer.AddSublayer (emptyBar);
CGFont font = CGFont.CreateWithFontName (LabelFont.Name);
CGSize size = ((NSString)"00.00:00").StringSize (LabelFont);
var textLayer = new CATextLayer () {
ContentsScale = UIScreen.MainScreen.Scale,
FontSize = 10.0f,
AnchorPoint = new CGPoint (0.0f, 0.5f),
AlignmentMode = CATextLayer.AlignmentLeft,
BackgroundColor = UIColor.Clear.CGColor,
ForegroundColor = LabelColor.CGColor
};
barLayer.AddSublayer (textLayer);
var timeTextLayer = new CATextLayer () {
ContentsScale = UIScreen.MainScreen.Scale,
FontSize = 10.0f,
AnchorPoint = new CGPoint (0.0f, 0.5f),
AlignmentMode = CATextLayer.AlignmentLeft,
BackgroundColor = UIColor.Clear.CGColor,
ForegroundColor = SecondaryBarColor.CGColor
};
barLayer.AddSublayer (timeTextLayer);
if (font != null) {
textLayer.SetFont (font);
timeTextLayer.SetFont (font);
font.Dispose ();
}
CATransaction.DisableActions = true;
textLayer.Bounds = new CGRect (new CGPoint (0, 0), size);
textLayer.Position = mainBar.Position;
timeTextLayer.Bounds = new CGRect (new CGPoint (0, 0), size);
timeTextLayer.Position = new CGPoint ( mainBar.Position.X + 5.0f, mainBar.Position.Y);
CATransaction.DisableActions = false;
return barLayer;
}