catiledlayer

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How does CATiledLayer know when to provide a new tile?

Because of various reasons, I am considering to make my own implementation of CATiledLayer. I have done some investigation, but I don\'t seem to be able to figure out how CATiledLayer knows which tile[详细]

2023-04-04 05:41 分类：问答
Zooming and Scrolling large images in UIScrollView

I\'ve been stuck at this for quite some time. I\'ve looked at many other answers and also at Apple\'s examples.[详细]

2023-04-03 14:43 分类：问答
Render very big UIscrollview UIImage + Video

I\'m creating a particular features on my app, and I don\'t know how\'s the best way to do that. I have a UIScrollview big as the screen (1024*748). Inside this UIScrollView I insert a UIView. This v[详细]

2023-03-18 02:19 分类：问答
ZoomingPDFViewer apple example

I\'m trying to understand Apple\'s example code for the ZoomingPDFViewer.Here are some questions that I have in my understanding of how it works in my mind.I\'m not really sure if I understand it corr[详细]

2023-03-13 23:17 分类：问答
iOS CATiledLayer crash

I have a pdf reader app for the iPad where I am using a scrollview to display each page. I keep the page in view and one page either side of the page in view. I have seperate views for portrait and la[详细]

2023-03-06 15:22 分类：问答
CATiledLayer with animating content

I\'ve got this UIView which is backed by a CATiledLayer. My setup works pretty smooth at the moment but the horror starts when I want to animate certain view objects on this CATiledLayer.[详细]

2023-03-02 03:48 分类：问答
CATiledLayer to draw giant UIView with buttons?

I\'ve got this giant UIView with ar开发者_如何转开发ound 600 UIButtons as subviews. The UIView is about 2000 by 2000 pixels and it\'s a subview on itself for a UIScrollView. I\'m trying to implement C[详细]

2023-03-01 13:33 分类：问答
iphone CATiledLayer not recognized as class?

Im following the apple ZoomingPDFViewer example, I have the frameworks just as in the example, but when I write in xcode the class CATiledLayer doesnt get recognized in the edit area (no coming purple[详细]

2023-02-23 04:09 分类：问答
Render large CATiledLayer into smaller area

I have a CATiledLaye开发者_如何学Gor of size 4096 x 4096 which I want to render into a PNG of size 1024 x 1024[详细]

2023-02-21 21:21 分类：问答
Two visible CATiledLayers causing problems!

This issue has been encountered by someone else, but I\'ve not seen any solutions - see ( http://openradar.appspot.com/6941930 ).[详细]

2023-02-21 08:59 分类：问答