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Re: passing argument 1 of 'setContents:' from incompatible pointer type
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Re: passing argument 1 of 'setContents:' from incompatible pointer type


  • Subject: Re: passing argument 1 of 'setContents:' from incompatible pointer type
  • From: David Blanton <email@hidden>
  • Date: Sun, 8 Feb 2009 14:42:09 -0700

Yep.  I realized after posting that .contents takes id.

_level1.contents = (id)CGImageCreateWithPNGDataProvider(provider, NULL, true, kCGRenderingIntentDefault);

clears the warning

... maybe I should not code and drink beer on Sunday unless it is Windows code.

On Feb 8, 2009, at 2:30 PM, Keary Suska wrote:


On Feb 8, 2009, at 1:54 PM, David Blanton wrote:


NSString* imageFileName = [[[NSBundle mainBundle] resourcePath] stringByAppendingPathComponent:@"Level 1 top.png"];
CGDataProviderRef provider = CGDataProviderCreateWithFilename([imageFileName UTF8String]);
_level1 = [[CALayer layer] retain];
_level1.contents = CGImageCreateWithPNGDataProvider(provider, NULL, true, kCGRenderingIntentDefault);




CGImageCreateWithPNGDataProvider returns a CGImageRef yet the above _level1.contents = gives the warning specified in the subject line ....

can someone tell me why?


Well, CGImageRef is a pointer to struct, and contents takes an id. Have you tried an explicit cast?

HTH,

Keary Suska
Esoteritech, Inc.
"Demystifying technology for your home or business"




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References: 
 >passing argument 1 of 'setContents:' from incompatible pointer type (From: David Blanton <email@hidden>)
 >Re: passing argument 1 of 'setContents:' from incompatible pointer type (From: Keary Suska <email@hidden>)

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