I'm trying to do this:
CGSize imgSize = CGSizeMake(25.0f, 25.0f);
UIGraphicsBeginImageContext(imgSize);
NSString* s = [NSString stringWithFormat: @"%u", ga.stations.count];
CGRect r = CGRectMake(0.0f, 0.0f, imgSize.width, imgSize.height);
CGContextRef ctx = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(ctx, [UIColor redColor].CGColor);
CGContextFillRect(ctx, r);
[[UIColor whiteColor] set];
UIFont* f = [UIFont fontWithName: @"Helvetica-Neue" size: 15.0f];
CGSize ss = [s sizeWithFont: f];
[s drawInRect: r withFont: f lineBreakMode: UILineBreakModeClip alignment:
UITextAlignmentCenter];
UIImage* img = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
The reported size in "ss" is 0,0, and nothing draws. The red rectangle does
draw, though.
I'm guessing UIKit routines can't be used in an image context, but I didn't see
that spelled out in the method docs.
--
Rick
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