[Laszlo-dev] What to do with LZX apps that try importing fonts in DHTML

Max Carlson max at openlaszlo.org
Mon Aug 21 12:59:16 EDT 2006


I thought Amy started a wiki page for this already.  In any case, here 
are a few more runtime-specific limitations I know of:

AFAIK, the visual transformations we can't (yet) do in dhtml are:
+ Rotation - may be possible in Firefox with SVG
+ Stretching nested subviews - likely possible in Firefox

Visual transformations requiring extra runtime resources (IE only):
+ Opacity that affects subviews
+ Displaying PNG (and possibly GIF) images with alpha

DHTML-specific limitations requiring source-level lzx changes:
+ Can't set the opacity of a view that contains text - but can set a 
subview's opacity (IE only)
+ Stretches only works on leaf views with resources

-Max

Henry Minsky wrote:
> That's a great idea, please start the page. Everyone always asks "so 
> what does/doesn't work in DHTML"
> 
> 
> 
> On 8/21/06, *John Sundman* < jsundman at laszlosystems.com 
> <mailto:jsundman at laszlosystems.com>> wrote:
> 
>     Another runtime difference.  Is there a wiki spot to capture these? I
>     just looked over the project wiki and didn't see one, but I may have
>     missed it.
> 
>     I'll be happy to start & maintain a page, but I don't want to be
>     redundant.
> 
>     To be clear, I mean a page that collects all user-visible differences
>     in how tags and classes work in the various runtimes, such as the
>     <font> tag.
> 
>     Thanks,
> 
>     jrs
> 
>     On Aug 21, 2006, at 12:07 PM, Max Carlson wrote:
> 
>      > I vote for a runtime warning so it doesn't interfere with
>     development.
>      >
>      > -Max
>      >
>      > Henry Minsky wrote:
>      >>
>      >> If an LZX app uses the <font> tag to import a font, and compile it
>      >> for
>      >> DHTML or other target which doesn't support
>      >> font inclusion, should the compiler give a warning, or silently
>      >> ignore
>      >> the font tag?
>      >>
>      >>
>      >>
>      >> --
>      >> Henry Minsky
>      >> Software Architect
>      >> hminsky at laszlosystems.com <mailto:hminsky at laszlosystems.com>
>     <mailto:hminsky at laszlosystems.com <mailto:hminsky at laszlosystems.com>>
>      >>
>      >>
>      >>
>     ---------------------------------------------------------------------
>      >> ---
>      >>
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> 
> 
> 
> -- 
> Henry Minsky
> Software Architect
> hminsky at laszlosystems.com <mailto:hminsky at laszlosystems.com>
> 


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