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POCore Graphics Pattern crashes (only on the device)
 

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  1. POCore Graphics Pattern crashes (only on the device)
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    <p>I have a Core graphics Pattern that works perfectly on the simulator, but it crashes on the device:</p> <pre><code>void MyDrawColoredPattern4 (void *info, CGContextRef context) { UIColor* colorClar = [UIColor colorWithRed: 0.57 green: 0.57 blue: 0.57 alpha: 1]; UIColor* colorFosc = [UIColor colorWithRed: 0.15 green: 0.15 blue: 0.15 alpha: 1]; CGColorRef dotColor = colorFosc.CGColor; CGColorRef shadowColor = colorClar.CGColor; CGContextMoveToPoint(context, 5, -0.5); CGContextAddLineToPoint(context, 1.1, 1.75); CGContextAddLineToPoint(context,1.1, 6.25); CGContextAddLineToPoint(context,5, 8.5); CGContextAddLineToPoint(context,8.9, 6.25); CGContextAddLineToPoint(context,8.9, 1.75); CGContextClosePath(context); CGContextMoveToPoint(context,16, 10.5); CGContextAddLineToPoint(context, 12.1, 12.75); CGContextAddLineToPoint(context,12.1, 17.25); CGContextAddLineToPoint(context,16, 19.5); CGContextAddLineToPoint(context,19.9, 17.25); CGContextAddLineToPoint(context,19.9, 12.75); CGContextClosePath(context); CGContextSetFillColorWithColor(context, dotColor); CGContextSetShadowWithColor(context, CGSizeMake(1, 1), 2, shadowColor); CGContextFillPath (context); } </code></pre> <p>The pattern size is 25*25 and it's filling the whole rect with <code>drawRect</code>. I know that sometimes with high requirement graphics apps tend to crash on the device and no the simulator, but I'm not sure if that's the case.</p> <p>I've created some simpler patterns and they do work ok in both the simulator and the device.</p> <p>Anyone?</p> <p><strong>EDIT</strong>: by the way, there is nothing on the console but the following in the editor area:</p> <pre><code>libobjc.A.dylib`objc_msgSend: 0x37be7f68: teq.w r0, #0 0x37be7f6c: beq 0x37be7faa ; objc_msgSend + 66 0x37be7f6e: push.w {r3, r4} 0x37be7f72: ldr r4, [r0] 0x37be7f74: lsr.w r9, r1, #2 0x37be7f78: ldr r3, [r4, #8] ------------------&gt; this line is highligthed in green. 0x37be7f7a: add.w r3, r3, #8 0x37be7f7e: ldr r12, [r3, #-8] 0x37be7f82: and.w r9, r9, r12 0x37be7f86: ldr.w r4, [r3, r9, lsl #2] 0x37be7f8a: teq.w r4, #0 0x37be7f8e: add.w r9, r9, #1 0x37be7f92: beq 0x37be7fa6 ; objc_msgSend + 62 0x37be7f94: ldr.w r12, [r4] 0x37be7f98: teq.w r1, r12 0x37be7f9c: bne 0x37be817e ; objc_msgSendSuper_stret + 34 0x37be7f9e: ldr.w r12, [r4, #8] 0x37be7fa2: pop {r3, r4} 0x37be7fa4: bx r12 0x37be7fa6: pop {r3, r4} 0x37be7fa8: b 0x37be7fb0 ; objc_msgSend_uncached 0x37be7faa: mov.w r1, #0 0x37be7fae: bx lr </code></pre>
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    1. COAre you using ARC? It could be the [well-known issue with UIColor and CGColorRef](http://stackoverflow.com/questions/9762969/cgcolorref-causing-crash).
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      1. USKurt Revis
    2. COYep, that was it. I crashed again but it was because I was forgetting one color. Thanks a lot!
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    3. COWrite an answer so that I can mark it as the one.
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