Max Seelemann macguru
morizotter
/ UIImage+Trim.m
Created
September 29, 2015 18:08
— forked from spinogrizz/UIImage+Trim.m
Trim transparent pixels around UIImage
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| - (UIImage *) imageByTrimmingTransparentPixels { | |
| int rows = self.size.height; | |
| int cols = self.size.width; | |
| int bytesPerRow = cols*sizeof(uint8_t); | |
| if ( rows < 2 || cols < 2 ) { | |
| return self; | |
| } | |
| //allocate array to hold alpha channel |