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Re: stringWithFormat / Rendering Text (iOS)
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Re: stringWithFormat / Rendering Text (iOS)


  • Subject: Re: stringWithFormat / Rendering Text (iOS)
  • From: Manfred Schwind <email@hidden>
  • Date: Thu, 24 May 2012 16:36:28 +0200

> CGContextShowTextAtPoint(contextRef, 0, 40,
> 	[textToDraw UTF8String], [textToDraw length]);

One bug I see here: you're passing a wrong length parameter.
CGContextShowTextAtPoint expects the length of the char array (number of bytes of the UTF-8 encoded string), but you'e passing the number of Unicode characters in the string. That's not the same; one character may be represented by multiple chars in UTF-8 encoding.

E.g. use it this way:

const char *myUTF8String = [textToDraw UTF8String];
CGContextShowTextAtPoint(contextRef, 0, 40,
	myUTF8String, strlen(myUTF8String));

Regards,
Mani


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References: 
 >applicationDidHide - Not Getting Triggered? (From: Jason Teagle <email@hidden>)
 >Re: applicationDidHide - Not Getting Triggered? (From: Ken Thomases <email@hidden>)
 >Re: applicationDidHide - Not Getting Triggered? (From: Jason Teagle <email@hidden>)
 >Re: applicationDidHide - Not Getting Triggered? (From: Ken Thomases <email@hidden>)
 >stringWithFormat / Rendering Text (iOS) (From: Jason Teagle <email@hidden>)

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