Problem with NSImage and .PNG file
Problem with NSImage and .PNG file
- Subject: Problem with NSImage and .PNG file
- From: Matt <email@hidden>
- Date: Fri, 15 Aug 2008 13:54:32 -0700
I have an image that is 7200x32 pixels, which is used to store a series of
32x32 tiles. When drawing from this NSImage, the further towards the end of
the image (right edge) the subrect goes, the blurrier it gets drawn.
Changing the original image file to a TIFF resulted in the subrects being
drawn properly (clean, non-blurry). But drawing from an NSImage made from a
.PNG, the subrects came out blurry again.
I found that the .PNG NSImage was returning a width of 7199.099 pixels,
instead of 7200. Manually setting the NSImage's width to 7200 before drawing
fixed this issue and resulted in the correct, non-blurry subrectangles being
drawn.
Has anyone encountered this issue before? Is this a bug within NSImage's
handling of PNG's or could this be a problem with my image file itself, a
DPI issue perhaps?
Any feedback or info is appreciated. Thank you,
-Matt
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