[翻译] CKShapeView 支持CAShapeLayer

最新推荐文章于 2024-11-06 08:00:35 发布

转载最新推荐文章于 2024-11-06 08:00:35 发布 · 57 阅读

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原文链接：http://www.cnblogs.com/YouXianMing/p/3698391.html

CKShapeView是一个UIView的子类，支持CAShapeLayer，能够渲染任意CGPath，并且完全可配置和动画化。本文介绍其特性，并提供一个绘制扇形视图的例子。

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CKShapeView 支持CAShapeLayer

https://github.com/conradev/CKShapeView

CKShapeView is a UIView subclass that is backed by a CAShapeLayer.

In other words, it is a view that is capable of rendering an arbitrary CGPath.

It is completely configurable and animatable, so you can have custom drawn views without needing to subclass.

CKShapeView has all of the properties of CAShapeLayer, with the addition of a hitTestUsingPath property that allows you to hit test using the path instead of the view's bounds.

CKShapeView是一个UIView的子类，它支持CAShapeLayer。

换句话说，它是一个view，可以用来渲染CGPath。

我完全配置了它并可以动画化，所以，你可以直接定制这个view而不需要继承至它的子类。

CKShapeView有着CAShapeLayer的所有属性，我添加了一个额外的属性hitTestUsingPath，允许你使用路径来做点击测试而不是这个view的bounds。

Example Usage

CKShapeView *pieView = [[CKShapeView alloc] initWithFrame:CGRectMake(0, 0, 100, 100)];
CGFloat width = CGRectGetWidth(pieView.bounds);
pieView.path = [UIBezierPath bezierPathWithOvalInRect:CGRectInset(pieView.bounds, width/4, width/4)];
pieView.lineWidth = width/2;
pieView.fillColor = nil;
pieView.strokeColor = [UIColor blackColor];
[self.view addSubview:pieView];

UIViewAnimationOptions options = UIViewAnimationOptionAutoreverse | UIViewAnimationOptionRepeat;
[UIView animateWithDuration:1.0f delay:0.0f options:options animations:^{
    pieView.strokeEnd = 0.0f;
} completion:nil];

转载于:https://www.cnblogs.com/YouXianMing/p/3698391.html