CODEWITHSUNDEEP
iosobjective-cxcodecgaffinetransform
user2563039
user2563039

Reputation: 1428

Implicit declaration of CGAffineTransformMakeScale is invalid

My code used to translate and scale a button used to work. Somehow Xcode now throws a warning: Implicit declaration of function 'CGAffineTransformMakeScale' is invalid in C99.as well as a semantic issue: Initializing 'CGAffineTransform' (aka 'struct CGAffineTransform') with an expression of incompatible type 'int'

What could be wrong with the following code?

    [UIView beginAnimations:nil context:nil];
    [UIView setAnimationDelegate:self];
    [UIView setAnimationDuration:1.5];
    [UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
    CGAffineTransform scaleTrans  = CGAffineTransformMakeScale(1.0f, 1.0f);//This is where both, the warning and error occur.
    CGAffineTransform xTrans  = CGAffineTransformMakeTranslation(650.0f,0.0f);
    Button.transform = CGAffineTransformConcat(scaleTrans, xTrans);//combine translation & scale

Upvotes: 0

Views: 413

Answers (2)

user2563039
user2563039

Reputation: 1428

Xcode 6 beta 3 fixes this issue.

Upvotes: 0

James Snook
James Snook

Reputation: 4093

The problem is that the compiler can't find where CGAffineTransformMake is declared so it thinks that you are creating a new function in the middle of a method (which isn't allowed). Further because it can't find the definition of CGAffineTransformMakeScale it assumes that it returns an int, not a CGAffineTransform. The problem may be that you either don't have the QuartzCore framework linked to your project, or you're not importing <QuartzCore/QuartzCore.h> in the file that is using CAAffineTransformMake.

Upvotes: 1

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