PNG is lossless, so we should be good there.

Avi

On Fri, Jul 10, 2009 at 4:30 PM, Aaron Boodman <a...@chromium.org> wrote:

> On this same subject -- do we do any lossy compression in our png
> encoding? I think we should *not*. Developers will be peeved if their
> carefully compressed images come out looking different because of our
> internal implementation details.
>
> - a
>
> On Fri, Jul 10, 2009 at 1:17 PM, Avi Drissman<a...@google.com> wrote:
> > Nailed: http://codereview.chromium.org/149473
> >
> > Avi
> >
> > On Fri, Jul 10, 2009 at 4:15 PM, Amanda Walker <ama...@chromium.org>
> wrote:
> >>
> >> On Fri, Jul 10, 2009 at 3:54 PM, Avi Drissman<a...@google.com> wrote:
> >> > Two things. First, this doesn't happen on Windows. Second, how do you
> >> > get an
> >> > image shifted one pixel to the right? On the Mac, ImageDecoder::Decode
> >> > uses
> >> > the webkit decoders which on the Mac return a CGImage, and then
> >> > gfx::CGImageToSkBitmap is called.
> >>
> >> Well, all platforms use the webkit decoders (as of Darin's refactoring
> >> in January), they just return different the image differently.
> >> gfx::CGImageToSkBitmap does sound like a likely culprit, though :-).
> >>
> >> --Amanda
> >
> >
> > > >
> >
>

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