On Jun 5, 2008, at 9:04 , Davide Scheriani wrote:
I was playing with my NSView and CATextLayer. I placed this code:-(void)mouseDown:(NSEvent *)theEvent { // [...snip...] [rootLayer addSublayer:textLayer]; } what ive noticed is when I click,the text appear with a fadein. Any reason of this behaviour?
Modifying most layer properties as well as adding/removing sublayers generates implicit animations. You can temporarily disable animations by wrapping the relevant code in a CATransaction:
- (void)mouseDown:(NSEvent *)theEvent
{
[CATransaction begin];
[CATransaction setValue:(id)kCFBooleanTrue
forKey:kCATransactionDisableActions];
// [...snip...]
[rootLayer addSublayer:textLayer];
[CATransaction commit];
}
/brian
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