Is there a library I can use that will allow me t开发者_运维技巧o quantize images on an iPhone?
I am developing a sort of file browser on the Mac, and I\'m not sure how I can dynamically generate thumbnail previews of files. I would like to do this not just for images开发者_如何学JAVA, but for c
Is there any way to only use certain aspects of the transform identity when I\'m resetting something to its CGAffineTransformIdentity?
I am trying to draw a line with a shadow but I do not want to keep the line but only the shadow. I have attempted to set the stroke color of the line to clear but when I do that the shadow also disa
My app uses core graphics for custom finger paint drawing. I allow the user to change the alpha of the line and a new line is continuously drawn on touches moved. When I make the alpha lower than 1.0
Background I am using Erica Saduns Cookbook example from Chapter 8, Example 14 — Resize and Rotate to obviously resize and rotate a UIImageView.
I have been trying to underline a multiline label but I am not able to do that. I have referred to this link but this doesn开发者_开发问答\'t seem to help me.
This question already has answers here: Closed 11 years ago. Possible Duplicate: CGContextDrawAngleGradient?
I need to clear the current line graph and replace it with a new line graph, as and when I change the month (The createLineGraph method is called each time I change the month). What happens is that, p
I have a custom view with that code : - (void)drawRect:(CGRect)rect { UIImage* theImage = [UIImage imageNamed:@\"blue_arrow\"];
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