LinhTN LinhTN-AltPlus
LinhTN-AltPlus
/ gist:2b415042128cd6ab88e4975e0b136ff8
Created
April 8, 2017 16:42
— forked from shexbeer/gist:cb069d36ca8ec5edb515
Crops a Picture from AVCaptureSession to the bounds of the AVCaptureVideoPreviewLayer (so Preview = CameraImage)
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| -(UIImage*) cropCameraImage:(UIImage*) original toPreviewLayerBounds:(AVCaptureVideoPreviewLayer*) previewLayer { | |
| UIImage *ret = nil; | |
| CGRect previewImageLayerBounds = previewLayer.bounds; | |
| // This calculates the crop area. | |
| // keeping in mind that this works with on an unrotated image (so a portrait image is actually rotated counterclockwise) | |
| // thats why we use originalHeight to calculate the width | |
| float originalWidth = original.size.width; | |
| float originalHeight = original.size.height; |