Re: [Gimp-user] Web development question?

[Burnie West <west ieee org>]

On 02/16/2012 03:20 PM, Steve Kinney wrote:
> On 02/16/2012 05:25 PM, Burnie West wrote:
> > On 02/16/2012 01:54 PM, Frank Gore wrote:
> > > On Thu, Feb 16, 2012 at 4:48 PM, Xiella
> > > Harksell<xiesse gmail com>   wrote:
> > > > As a point of difference :)
> > > >
> > > > I find myself tending to save the majority of my images (in
> > > > terms of
> > > > developing the site - stripes, decorations, non-content stuff) as
> > > > PNGs.
> > > You're not the only one, the vast majority of professional web
> > > designers use PNGs as a flexible way of displaying images in
> > > browsers.
> > > The last browser I know of that didn't support PNG files properly
> > > was
> > > IE6... and can we count how many years old that is?
> Usage is down to something around 5% on most sites I have seen
> recent statistics for.  Considering the security aspect, it's really
> not doing anyone a favor to support IE6 any more...  But the moment
> I stop writing alternate style sheets for it, I just "know" my next
> client will be running it in Win2k and asking me why the pages are
> all broken and stuff.  :o)
>
> > There is  a minor but sound reason for using png rather than jpg
> > in many of
> > these cases - the fact that png is lossless. It does result in
> > somewhat larger
> > files, but if the specific image wants to be compressed to an
> > indexed-mode jpg
> > for file size reasons, a png background is I believe somewhat less
> > likely to
> > create artifacts - or so it seems to me.
> I did not know that jpg had an indexed mode.  I knew I would be
> getting some interesting feedback when I posted that answer.
I didn't mean to imply that jpg has an indexed mode. It just seems to me if
one exports a GIMP image in indexed mode to jpg the file comes out smaller.
Haven't run extensive tests on that, though.

GIMP actually transforms back to RGB before going to jpg (asking if that's
what you want first). So YMMV.
> I have been doing this junk for so long that I developed an
> automatic habit of anti-aliasing transparent gif images "by hand" as
> per my earlier comments.  And yes, it is time to abandon that and
> just use png images.  Yay!
>
> :o)
>
> Steve
>
>
>
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