我想将矩形UIImage更改为具有不同形状的多边形图像

Question

I want to draw a rectangular UIImage to a polygon UIImage. Like below example.

to

Answer 1

you will have to look into OpenGL ES, this will definately be able to draw textures onto a plain surface which is tilted, and most likely its your only option . plus, the advantage being, you can actually animate the tilt in motion, like on coverflow

im not sure quartz can do it, but you will have to check that.