Re: NSAmimatablePropertyContainer property animation troubles...
Re: NSAmimatablePropertyContainer property animation troubles...
- Subject: Re: NSAmimatablePropertyContainer property animation troubles...
- From: Troy Stephens <email@hidden>
- Date: Thu, 1 Nov 2007 14:04:58 -0700
Hi Bill,
Animation of NSColor properties isn't supported yet; that's why your
code isn't being asked to provide an animation to use.
As an alternative, you could drive a float or double typed property
using an animation, and vary the color you use in response to changes
in that property.
Troy
On Nov 1, 2007, at 1:41 PM, Bill Dudney wrote:
The release notes on NSAmimatablePropertyContainer protocol give an
example like this;
@implementation MyView
+ (id)defaultAnimationForKey:(NSString *)key {
if ([key isEqualToString:@"borderColor"]) {
// By default, animate border color changes with simple
linear interpolation to the new color value.
return [CABasicAnimation animation];
} else {
// Defer to super's implementation for any keys we don't
specifically handle.
return [super defaultAnimationForKeyKey:key];
}
}
@end
But I don't see the search for animations being performed on
properties that are not part of the primitives (double, float,
NSPoint, NSSize or NSRect). I have two properties on my NSView one
is float and does get animated, the other is an NSColor and the
defaultAnimationForKey: never gets called for this property.
Anyone else had a chance to mess with this api yet and seen the same
thing?
Thanks,
-bd-
http://bill.dudney.net/roller/objc
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