Hi,
I am trying to apply the Pinch Gesture Recognizer to UIImage while the same
time means the zoom in or zoom out the image that time I want to rotate it
with 90 deg with that zooming level but my problem is that ,
while applying rotate operation with zoom only rotate the image with its
original scale.
I want perform both Zoom and Rotate operations simultaneously.
for rotate image i use the buttons to rotate image for zoom i use
PinchGestureRecognizor
code for PinchGestureRecognizor
void ScaleImage (UIPinchGestureRecognizer gestureRecognizer)
{
AdjustAnchorPointForGestureRecognizer
(gestureRecognizer);
if (gestureRecognizer.State ==
UIGestureRecognizerState.Began || gestureRecognizer.State ==
UIGestureRecognizerState.Changed) {
gestureRecognizer.View.Transform *=
CGAffineTransform.MakeScale (gestureRecognizer.Scale,
gestureRecognizer.Scale);
// Reset the gesture recognizer's scale -
the next callback will get a delta from the current scale.
gestureRecognizer.Scale = 1f;
imageForReset = gestureRecognizer.View;
}
}
For Button Rotate
public float OnRotateClick (UIImageView imgview, float deg, string
btnNames, out float _wdth, out float _hgt)
{
_wdth = imgview.Frame.Width;
_hgt = imgview.Frame.Height;
SizeF _imgFrameSize = new SizeF (Width, Height);
imgview.Frame.Size = _imgFrameSize;
if (btnNames == "Rotate R")
{
Angle = deg + 90;
imgview.Transform =
CGAffineTransform.MakeRotation (Angle * (float)Math.PI / 180);
return Angle;
} else
{
Angle = deg - 90;
imgview.Transform =
CGAffineTransform.MakeRotation (Angle * (float)Math.PI / 180);
return Angle;
}
}
--
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