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POFilling color in intersected path with UIBezierPath
 

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  1. POFilling color in intersected path with UIBezierPath
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    <p>I am trying to draw a view with few hollow circles in it. The view background color will be black with opacity 0.5 and hollow circles on places where I could see the view underneath it. This is working fine with below piece of code but has an issue when my hollow circles intersects, I want to cover both of them as hollow area but due to even odd rule this is not working out. Any suggestions? Or any alternatives?</p> <pre><code>- (void)addShadowView { UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:CGRectMake(0, 0, self.bounds.size.width, self.bounds.size.height) cornerRadius:0]; for (NSValue *point in self.hollowFrames) { UIBezierPath *circlePath = [UIBezierPath bezierPathWithRoundedRect:CGRectMake(point.CGPointValue.x - self.hollowCircleRadius.floatValue, point.CGPointValue.y - self.hollowCircleRadius.floatValue, 2.0 * self.hollowCircleRadius.floatValue, 2.0 * self.hollowCircleRadius.floatValue) cornerRadius:self.hollowCircleRadius.floatValue]; [path appendPath:circlePath]; } [path setUsesEvenOddFillRule:YES]; CAShapeLayer *fillLayer = [CAShapeLayer layer]; fillLayer.path = path.CGPath; fillLayer.fillRule = kCAFillRuleEvenOdd; fillLayer.fillColor = [UIColor blackColor].CGColor; fillLayer.opacity = 0.5; [self.layer addSublayer:fillLayer]; } </code></pre> <p>This is how it looks right now. I want the intersected area also to be hollow and not filled with the fillColor.</p> <p><img src="https://i.stack.imgur.com/7HG5I.png" alt="enter image description here"></p>
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