Re: NSImageView setImageScaling:NSScaleToFit blurs image
Re: NSImageView setImageScaling:NSScaleToFit blurs image
- Subject: Re: NSImageView setImageScaling:NSScaleToFit blurs image
- From: Jens Alfke <email@hidden>
- Date: Tue, 4 Mar 2008 12:59:07 -0800
On 4 Mar '08, at 12:02 PM, R.L. Grigg wrote:
Mike, yes that is something we tried but it seems to have no effect
on the blurring.
You have to set the interpolation at the moment the image is being
drawn, i.e. just before the NSImage draw/composite call. You can't do
this using a regular NSImageView; it draws the image for you and has
no ability to configure the interpolation.
You can either make a custom NSView and do the drawing in its -
drawRect: method; or you can create a scaled-up NSImage, draw the
small NSImage into it using the appropriate interpolation, and then
put the scaled-up NSImage into the NSImageView.
—Jens
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