iOS: How do I support Retina Display with CGLayer?...

How to remove UIView subviews w/out forcing a redraw?...

Taking snapshot of contents in CGL?...

Draw CGImageRef & CGBitmapContextRef on CGL context?...

Unable to release a CGContextRef (context is from a CGLayer)...

Struggling to clear ALL DATA from a CGLayer -- can it even be done?...

Mixing CGLayers and CALayers...

Adding Rounded Corners to UIImageView vs Pre-Rendering the UIImage?...

Optimize Core Graphics animated drawing (iPhone)...

Caching to CGLayer slower than redrawing on iPhone...

How do I create a CGlayer that has an image drawn to it?...

Set "opacity" of a CGLayer before draw?...

Computing a UIImage to be saved to the photo album...