Re: Strange issue with PNG files
Michael B Johnson <[email protected]>
| Newsgroups | gmane.comp.macosx.devel |
|---|---|
| Message-ID | <[email protected]> |
Yea, because many of the images that flow through are pipeline are much higher DPI (storyboards tend to be 200DPI, for example), we have always had to deal with this. comparing size and pixels is a good thing to do... On Mar 5, 2010, at 12:53 PM, Markus Hitter wrote: > > Am 04.03.2010 um 20:23 schrieb Eric Gorr: > >>> If you want to draw it pixel for pixel despite the high ppi, use - >>> pixelsHigh/-pixelsWide, create an NSSize of that size, and draw it >>> "scaled". >> >> So, the only/recommended way to determine when an image is in this >> state is to compare what [image size] returns vs. pixelsHeight & >> pixelsWide? > > IIRC, the recommended way is to not care about the number of pixels > of an image, but to draw it by size. Resolution independent display > technologies aren't that far away. With these, image pixels won't > match display pixels even when drawn at 72 dpi (1 pixel = 1 image > size unit). > > > Markus > > - - - - - - - - - - - - - - - - - - - > Dipl. Ing. Markus Hitter > http://www.jump-ing.de/ > > > > > _______________________________________________ > MacOSX-dev mailing list > [email protected] > http://www.omnigroup.com/mailman/listinfo/macosx-dev