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dataWithPDFInsideRect: subview positions when using layer backed views
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dataWithPDFInsideRect: subview positions when using layer backed views


  • Subject: dataWithPDFInsideRect: subview positions when using layer backed views
  • From: Gideon King <email@hidden>
  • Date: Sat, 16 Nov 2013 19:51:33 +1000

Here’s the scenario: All views are flipped. OSX 10.9.

I have a view with frame and bounds 0,0,2000,2000.
The first subview has a frame 0,0,2000,2000 and bounds -1000,-1000,2000,2000. I set it to draw a solid color. On screen it covers the first view.
It has a number of small 100,50 subviews at different locations.

All this draws fine on screen, whether I am using layer backing or not. If I do not use layer backing, it also renders properly using dataWithPDFInsideRect:.

As soon as I start using layer backing, dataWithPDFInsideRect: gives the following result:
- the first level subview draws as if its origin was the same as its superview - i.e. it only covers the top left quadrant of the superview,
- all the second level subviews draw on top of each other at origin 0,0.

Is this a known issue? Is there a workaround (apart from not using layers)?


Thanks

Gideon



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