Fwd: Re: [horde] new icons

[Jan Schneider]

Zitat von Jan Schneider <jan at horde.org>:

>
>
> ----- Weitergeleitete Nachricht von wayne at ptaff.ca -----
>     Datum: Wed, 29 Sep 2004 11:02:18 -0400
>     Von: Patrice Levesque <wayne at ptaff.ca>
> Antwort an: wayne at ptaff.ca
>  Betreff: Re: [horde] new icons
>       An: Jan Schneider <jan at horde.org>
>
>
>
>> >How about we just switch to pngs wholesale, now that we can make
>> >transparent
>> >ones work in IE?
>>
>> Beside that this being a *lot* of work, I'm not sure about the performance
>> hit if we apply onload events and alpha filters on *every* image in IE.
>
> I'd suggest to use a lookup table in the Theme file (/horde/config/themes)
> to
> override the default image names.  So instead of calling
>
> img("myimg.gif", _("My Image));
>
> this could be used:
>
> img($theme['myimg.gif'], _("My Image));
>
> or even
>
> img($theme['myimg'], _("My Image));
>
> (using a default lookup table called before the theme file is read, of
> course, so the theme only has to override the necessary filenames).

That reminds me, we already do the some theme check in Horde::img() anyway,
an additional array lookup shouldn't hurt much. But these arrays might get
really big and consume lots of memory if a theme replaces many/all icons.

> as 8-bit indexed PNG can be a drop-in replacement for GIFs _without_ any
> AlphaGizmoMicrosoftCall/Script (there's only a on/off transparency, but
> that's what we have with GIF anyway), a naming convention could be used
> for truecolor alpha PNG images; prefixing images with "a_", like in
> "a_img.png" might be used to wakeup the IE-scripting calls in img();

That's an interesting idea.

Jan.

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