cgaffinetransform

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Problem scaling UIImageView with Pinch Gesture

I have a program that creates a small UIImageView that responds to touch so you can drag it around the superview.[详细]

2023-03-25 16:58 分类：问答
How can I prevent skew when scaling a UIView in one direction after rotation?

I\'m rotating a UIView in the following manner: CGAffineTransform currentTransform = [gestureRecognizer view].transform;[详细]

2023-03-23 12:13 分类：问答
Rotating image using CGAffineTransformMakeRotation

Ive been working on a spinning wheel similar to the wheel of fortune. Ive almost cracked it but then hit a brick wall. Same problem as mentioned in this this post. The wheel animation is required to g[详细]

2023-03-20 01:02 分类：问答
EAGLView with CGAffineTransform problem on iOS 4.3

I have a weird problem with OpenGL on iOS 4.3. I have a ViewController with some views and images in the foreground. In the background I have an EAGLView drawn from a CGImage.[详细]

2023-03-17 13:41 分类：问答
CGAffineTransforms on NSViews

I am trying to port some iOS code to Mac OS X. I am having trouble 开发者_开发问答porting this though,[详细]

2023-03-17 06:09 分类：问答
Logic of using UISlider Xcode

I\'m stuck at the moment controlling UISlider in XCode. I\'ve made a horizontal slider in Interface Builder and manage to code the controls in xcode. Right now I\'m just not sure how to code the logic[详细]

2023-03-16 12:51 分类：问答
CGAffineTransformMakeScale and inserting subviews

After i applyCGAffineTransformMakeScale(scale,scale) (for example scale = 3.0) to the view - it\'s scaling ok. But when I\'m trying to programmatically insert some subview after scaling - subview also[详细]

2023-03-16 06:20 分类：问答
Applying transform to UITextView - prevent content resizing

When I apply a rotation transform to a UITextView and then click inside to begin editing, it appears that the content size is automatically being made wider. The new width of the content view is the w[详细]

2023-03-15 15:20 分类：问答
UIImageView animated rotation

I would like to rotate an UIImageView clockwise around his center after pressing a button (360 degrees)... It should be an animation... So its getting a steering wheel, and it should rotate by itself[详细]

2023-03-15 03:45 分类：问答
iOS 2D Transforms: Library to use

I have to perform some 2D transforms under iOS. I know that you can use the transform property of UIView to apply transforms so I am assuming that somewhere t开发者_开发百科here is some optimized code[详细]

2023-03-14 19:08 分类：问答