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Editorial Team
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Asked: 2026-05-22T23:15:37+00:00

I made my custom UIImagePickerController camera controls (flash, front/rear, zoom, takepicture and others). My

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I made my custom UIImagePickerController camera controls (flash, front/rear, zoom, takepicture and others).

My issue is related to zooming.
By clicking plus and minus buttons, I change the imagePicker.cameraViewTransform with a scale. All right here.

When the user pick the photos, in the delegate method didFinishPickingMediaWithInfo, I get the originalImage.
That UIImage, obviously, does not have the transform applied.

My question is:
HOW DO I GET THE IMAGE SCALED (BY APPLYING THAT TRANSFORM, WHICH I HAVE) ?

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1 Answer

  1. Editorial Team

    The cameraViewTransform is just for the (live)image being shown but not the image captured. Hence that wont be reflected on the image captured.

    In order to Scale (Zoom in/out ) the captured image you need to work on the captured image (remember the scale applied while taking picture). As a matter of fact you need to scale and rotate the obtained image for orientation specific issues :

    see the following stackoverflow link :
    UIImagePickerController camera preview is portrait in landscape app

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