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Re: NSImage Size Discrepancies

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Re: NSImage Size Discrepancies

Subject: Re: NSImage Size Discrepancies
From: patrick machielse <email@hidden>
Date: Sun, 13 Mar 2005 14:29:40 +0100

Op 13-mrt-05 om 14:10 heeft Dan Saul het volgende geschreven:

Hello there, I have an NSImage I create at run time of an image
(http://catsdorule.torpedobird.com/img/blogpix/husky.jpg) all my code
works except for one small problem. The Size of the NSImage is
different then the actual image, running NSLog(@"%f",[backgroundImage
size].width); shows that the width is 245.759995 when infact it is
1024.

Is there any way to fix this or to get the actual size so I can set it manually?

Your image is 300 dpi. NSImage reports the size in a 72 dpi coordinate system: 1024 * 72 / 300 = 245.76 units. The best solution is to make your code cope with this elegantly (see other post), but you could also convert your picture to 72 dpi using a graphics program.

patrick

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