I added the following code:
CALayer *viewLayer = [ view layer ];
// create a keyframe animation..
CAKeyframeAnimation *keyAnimation = [ CAKeyframeAnimation animation ];
// set the keypath
[ keyAnimation setKeyPath:@"frame" ];
// create an array of values..
NSArray *animationArray = [ NSArray arrayWithObjects:
[ NSValue valueWithRect:[ view frame ] ],
[ NSValue valueWithRect:frame ],nil ];
[ keyAnimation setValues:animationArray ];
[ viewLayer addAnimation:keyAnimation forKey:@"frame" ];
[ [ view animator ] setFrame:frame ];
I'm still not convinced that this is right, but the animation is a
bit smoother..
On Nov 2, 2007, at 5:05 AM, Scott Anguish wrote:
OK, one comment off the top.
I see no Core Animation in this example. This is strictly
NSViewAnimation or Animatable proxies.
Which part doesn't work?
is it when you have layer backing turned on? or off?
what does your drawing method look like?
On Nov 1, 2007, at 7:14 PM, Hasani Hunter wrote:
Fellow list members..
I have been round and round with my choppy resize animation.
Basically I have a custom view in IB that contains 3 subviews. I
am trying the iTunes "show/hide" artwork effect. Basically I have
a NSTableView that is wrapped in a custom nsview that displays
financial transactions and the view underneath displays a detailed
view of the selected transaction. To trigger the resize, the user
just double-clicks the transaction and I resize both custom
nsviews. shrinking the deatil view down and expanding the
transaction view so that the transaction nstableview takes up any
remaining space. I am guessing that I am redrawing excessively
which might be causing the "choppiness". I am open to any and all
suggestions. I have pasted the relevant code below.
Thanks,
Hasani
Utilities.m
-----------------------------------------------------------
/**
* Sets the frame for a view with animation.
*/
+(void)setFrameForViewWithAnimation:(NSView *)view frame:
(NSRect)frame
{
if ( [ view wantsLayer ] )
{
[ [ view animator ] setFrame:frame ];
}
else
{
NSRect startFrame = [ view frame ];
// create the dictionary..
NSMutableDictionary *animationDictionary =
[ [ NSMutableDictionary alloc ] init ];
// set the target
[ animationDictionary setObject:view
forKey:NSViewAnimationTargetKey ];
// set the starting size..
[ animationDictionary setObject:[ NSValue
valueWithRect:startFrame ] forKey:NSViewAnimationStartFrameKey ];
// set the end frame
[ animationDictionary setObject:[ NSValue valueWithRect:frame ]
forKey:NSViewAnimationEndFrameKey ];
// construct the animation..
NSViewAnimation *animation = [ [ NSViewAnimation alloc ]
initWithViewAnimations:[ NSArray
arrayWithObject:animationDictionary ] ];
// set the duration of the animation..
[ animation setDuration:0.25 ];
[ animation startAnimation ];
[ animation release ];
}
}
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