This is because Cocoa cache the first representation it draws and then
redraw the cached version.
Disabling the cache for your image should do the trick:
[_img setCacheMode:NSImageCacheNever];
Le 5 avr. 08 à 20:26, Mike R. Manzano a écrit :
I did try that at first, but the image becomes pixelated when you
make the window larger. What I'm trying now is to do an initial
scale of the image to some large dimensions, and then doing what you
suggested. Maybe it will look fine if the only scaling it has to do
is in the downwards direction.
Mike
On Apr 5, 2008, at 11:17 AM, Jean-Daniel Dupas wrote:
Le 5 avr. 08 à 19:53, Mike R. Manzano a écrit :
Hi everyone,
I have a window with a custom content view. The content view loads
in a PDF image to be used as the window's background. I'd like the
image to scale smoothly when the window is resized, so I set the
source image to scale when resized (scalesWhenResized returns
YES), and in my -drawRect: method, I'm setting the size of the
image to the bounds of the view. This works exactly as I intended,
except that it's really slow.
Is there a better way to do this that's much, much faster?
Thanks,
Mike
Do not manually resize your image and use -[NSImage
drawInRect:fromRect:operation:fraction:] passing [self bounds] as
first argument, and let the system resize the image as needed
You can also replace your custom view by a NSImageView.
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