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I have one UIView with an UIImageview in which i have an image downloaded from web service. Now i try to draw with drawRect: in it. I want to erase part of my drawing same as like eraser without effecting background image downloaded from web service.
So how can i do that?
Thanks
If you simply want to “replace” part of the UIImageView with rendered primitives, rather than editing the image data, just place a UIView with a [UIColor clearColor] background color on top of the UIImageView and draw into that overlay UIView with a non-transparent color.