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I apologize for a large set of questions here. I'm starting to play with Quartz Graphics more and more, and found that it has interesting effects, yet I do not have many samples to see them in action. view.layer.shadowPath = [UIBezierPath bezierPathWithRect:view.bounds].CGPath; There's a shadow property: view.layer.shadowColor = [UIColor grayColor].CGColor; view.layer.shadowOffset = CGSizeMake(5, 5); view.layer.shadowPath = [UIBezierPath bezierPathWithRect:view.bounds].CGPath; view.layer.shadowRadius = 9; I was unable to make the shadow show though. Borders: view.layer.borderWidth = 1; view.layer.borderColor=[[UIColor whiteColor] CGColor]; What other effects can I get from built-in iOS on iPhone? * Is there a comprehensive demo project that can showcase what kind of graphic manipulation functionality is built into iOS? * How do I do transparency masking? Is there a way to add inner shadow or inner glow? Is there a way to make an iOS button appear more "concave" than it really is? Is there a way to do radial gradients? Is there a way to create multi-ray lens flare effects like Adobe Illustrator? Is there a way to blend layers using "lighten, dissolve", or other photoshop effects? Is there a way to dynamically adjust the brightness of the image? I know how to do hue shift. I would appreciate any other hints on what kind of layer effects I can apply to the CALayers

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