ios – 如何镜像UIBezierPath？

概述我有一个UIBezierPath,我想得到它的镜像.我该如何做到这一点？ // Method for generating a path UIBezierPath *myPath = [self generateAPathInBounds:boundingRect]; // ? now I would like to mirror myPath ? // Method for generat 我有一个UIBezIErPath,我想得到它的镜像.我该如何做到这一点？

// Method for generating a path UIBezIErPath *myPath = [self generateAPathInBounds:boundingRect]; // ? Now I would like to mirror myPath ?

解决方法

// Method for generating a pathUIBezIErPath *myPath = [self generateAPathInBounds:boundingRect];// Create two transforms,one to mirror across the x axis,and one to// to translate the resulting path back into the desired boundingRectCGAffinetransform mirrorOverXOrigin = CGAffinetransformMakeScale(-1.0f,1.0f);CGAffinetransform translate = CGAffinetransformMakeTranslation(boundingRect.wIDth,0);// Apply these transforms to the path[myPath applytransform:mirrorOverXOrigin];[myPath applytransform:translate];

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