Subview transform changes when device is rotated












0















I have added an UIImageView as a subview to a containerView of type UIView.
UIImageView have some transformations (scale and rotation). When I change device orientation then image's transformation also changes.



Before Rotation





After Rotation





How to fix this?



UPDATE: here is the transformation code



code
func scale(gesture: UIPinchGestureRecognizer) {



    if gesture.numberOfTouches < 2 {
return
}
if gesture.state == .began {
lastScale = 1.0
lastPoint = gesture.location(in: self)
} else if gesture.state == .ended {
adjustMinimumRect()
return
}

// Scale
let scale = 1.0 - (lastScale - gesture.scale)
layer.setAffineTransform(layer.affineTransform().scaledBy(x: scale, y: scale))
lastScale = gesture.scale

// Translate
let point = gesture.location(in: self)
layer.setAffineTransform(layer.affineTransform().translatedBy(x: point.x - lastPoint.x,
y: point.y - lastPoint.y))
lastPoint = gesture.location(in: self)

}









share|improve this question

























  • are you using auto layout or manually setting frames?

    – Woodstock
    Nov 28 '18 at 14:29











  • How are your constraints setup?

    – Guilherme Matuella
    Nov 28 '18 at 14:30











  • I have settings frames programmatically and the subview has auto resizing mask setup self.autoresizingMask = UIView.AutoresizingMask.allMargins translatesAutoresizingMaskIntoConstraints = false

    – Ankur Prakash
    Nov 28 '18 at 14:36













  • Sorry for bad formatting. I find this editing tool not easy

    – Ankur Prakash
    Nov 28 '18 at 14:39











  • Can you post the code where you create the transformation?

    – TheoK
    Nov 28 '18 at 14:55
















0















I have added an UIImageView as a subview to a containerView of type UIView.
UIImageView have some transformations (scale and rotation). When I change device orientation then image's transformation also changes.



Before Rotation





After Rotation





How to fix this?



UPDATE: here is the transformation code



code
func scale(gesture: UIPinchGestureRecognizer) {



    if gesture.numberOfTouches < 2 {
return
}
if gesture.state == .began {
lastScale = 1.0
lastPoint = gesture.location(in: self)
} else if gesture.state == .ended {
adjustMinimumRect()
return
}

// Scale
let scale = 1.0 - (lastScale - gesture.scale)
layer.setAffineTransform(layer.affineTransform().scaledBy(x: scale, y: scale))
lastScale = gesture.scale

// Translate
let point = gesture.location(in: self)
layer.setAffineTransform(layer.affineTransform().translatedBy(x: point.x - lastPoint.x,
y: point.y - lastPoint.y))
lastPoint = gesture.location(in: self)

}









share|improve this question

























  • are you using auto layout or manually setting frames?

    – Woodstock
    Nov 28 '18 at 14:29











  • How are your constraints setup?

    – Guilherme Matuella
    Nov 28 '18 at 14:30











  • I have settings frames programmatically and the subview has auto resizing mask setup self.autoresizingMask = UIView.AutoresizingMask.allMargins translatesAutoresizingMaskIntoConstraints = false

    – Ankur Prakash
    Nov 28 '18 at 14:36













  • Sorry for bad formatting. I find this editing tool not easy

    – Ankur Prakash
    Nov 28 '18 at 14:39











  • Can you post the code where you create the transformation?

    – TheoK
    Nov 28 '18 at 14:55














0












0








0








I have added an UIImageView as a subview to a containerView of type UIView.
UIImageView have some transformations (scale and rotation). When I change device orientation then image's transformation also changes.



Before Rotation





After Rotation





How to fix this?



UPDATE: here is the transformation code



code
func scale(gesture: UIPinchGestureRecognizer) {



    if gesture.numberOfTouches < 2 {
return
}
if gesture.state == .began {
lastScale = 1.0
lastPoint = gesture.location(in: self)
} else if gesture.state == .ended {
adjustMinimumRect()
return
}

// Scale
let scale = 1.0 - (lastScale - gesture.scale)
layer.setAffineTransform(layer.affineTransform().scaledBy(x: scale, y: scale))
lastScale = gesture.scale

// Translate
let point = gesture.location(in: self)
layer.setAffineTransform(layer.affineTransform().translatedBy(x: point.x - lastPoint.x,
y: point.y - lastPoint.y))
lastPoint = gesture.location(in: self)

}









share|improve this question
















I have added an UIImageView as a subview to a containerView of type UIView.
UIImageView have some transformations (scale and rotation). When I change device orientation then image's transformation also changes.



Before Rotation





After Rotation





How to fix this?



UPDATE: here is the transformation code



code
func scale(gesture: UIPinchGestureRecognizer) {



    if gesture.numberOfTouches < 2 {
return
}
if gesture.state == .began {
lastScale = 1.0
lastPoint = gesture.location(in: self)
} else if gesture.state == .ended {
adjustMinimumRect()
return
}

// Scale
let scale = 1.0 - (lastScale - gesture.scale)
layer.setAffineTransform(layer.affineTransform().scaledBy(x: scale, y: scale))
lastScale = gesture.scale

// Translate
let point = gesture.location(in: self)
layer.setAffineTransform(layer.affineTransform().translatedBy(x: point.x - lastPoint.x,
y: point.y - lastPoint.y))
lastPoint = gesture.location(in: self)

}






ios swift cgaffinetransform image-rotation






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Nov 28 '18 at 15:00







Ankur Prakash

















asked Nov 28 '18 at 14:25









Ankur PrakashAnkur Prakash

10610




10610













  • are you using auto layout or manually setting frames?

    – Woodstock
    Nov 28 '18 at 14:29











  • How are your constraints setup?

    – Guilherme Matuella
    Nov 28 '18 at 14:30











  • I have settings frames programmatically and the subview has auto resizing mask setup self.autoresizingMask = UIView.AutoresizingMask.allMargins translatesAutoresizingMaskIntoConstraints = false

    – Ankur Prakash
    Nov 28 '18 at 14:36













  • Sorry for bad formatting. I find this editing tool not easy

    – Ankur Prakash
    Nov 28 '18 at 14:39











  • Can you post the code where you create the transformation?

    – TheoK
    Nov 28 '18 at 14:55



















  • are you using auto layout or manually setting frames?

    – Woodstock
    Nov 28 '18 at 14:29











  • How are your constraints setup?

    – Guilherme Matuella
    Nov 28 '18 at 14:30











  • I have settings frames programmatically and the subview has auto resizing mask setup self.autoresizingMask = UIView.AutoresizingMask.allMargins translatesAutoresizingMaskIntoConstraints = false

    – Ankur Prakash
    Nov 28 '18 at 14:36













  • Sorry for bad formatting. I find this editing tool not easy

    – Ankur Prakash
    Nov 28 '18 at 14:39











  • Can you post the code where you create the transformation?

    – TheoK
    Nov 28 '18 at 14:55

















are you using auto layout or manually setting frames?

– Woodstock
Nov 28 '18 at 14:29





are you using auto layout or manually setting frames?

– Woodstock
Nov 28 '18 at 14:29













How are your constraints setup?

– Guilherme Matuella
Nov 28 '18 at 14:30





How are your constraints setup?

– Guilherme Matuella
Nov 28 '18 at 14:30













I have settings frames programmatically and the subview has auto resizing mask setup self.autoresizingMask = UIView.AutoresizingMask.allMargins translatesAutoresizingMaskIntoConstraints = false

– Ankur Prakash
Nov 28 '18 at 14:36







I have settings frames programmatically and the subview has auto resizing mask setup self.autoresizingMask = UIView.AutoresizingMask.allMargins translatesAutoresizingMaskIntoConstraints = false

– Ankur Prakash
Nov 28 '18 at 14:36















Sorry for bad formatting. I find this editing tool not easy

– Ankur Prakash
Nov 28 '18 at 14:39





Sorry for bad formatting. I find this editing tool not easy

– Ankur Prakash
Nov 28 '18 at 14:39













Can you post the code where you create the transformation?

– TheoK
Nov 28 '18 at 14:55





Can you post the code where you create the transformation?

– TheoK
Nov 28 '18 at 14:55












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