On Jun 11, 2008, at 12:37 , David Duncan wrote:
Effectively a CALayer represents a texture with the layer's contents on the video card. As the docs say, transforms only affect geometry. The texture does not include geometry, thus the current content is scaled rather than being re-rendered. At even moderate zoom factors scaling the content could cause issues with maximum texture sizes on the video card your running on.
I see. Thanks for the explanation. My solution will then be to simply maintain my own scaleFactor and apply that to my drawing calculations in place of a transformation (or in the case of a text layer, simply fontSize * scaleFactor).
/brian
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