[Mapserver-dev] Transparency, truetype label and jpeg RGB format:strangebehaviour

Yewondwossen Assefa assefa at dmsolutions.ca
Tue Apr 29 11:05:54 EDT 2003


I am used a patched version of the gd library the has a GIF support  downloaded from
:
           http://www.rime.com.au/gd/.
Later,

David Graham wrote:

> Assefa:
>
> If you are using GD 2.0.11 how are you supporting OUTPUT=GIF? I used
> your compilation here at i-cubed before building my own and it sure
> looked like it was supporting only 8bit raster images even when RGB was
> requested.
>
> Just curious.
>
> Dave
>
> Yewondwossen Assefa wrote:
>
> >The GD version ised is 2.0.11. I will do an upgrade to 2.0.12 and do a new build
> >in the comming days.
> >
> >Later,
> >
> >Frank Warmerdam wrote:
> >
> >
> >
> >>Claude Philipona wrote:
> >>
> >>
> >>>Hello,
> >>>I have tested Mapserver 3.7 / PHP Mapscript (a win32 version of
> >>>PHP-Mapscript compiled by dm solution, version April 23 2003):
> >>>
> >>>MapServer Version MapServer version 3.7 (development) OUTPUT=GIF OUTPUT=PNG
> >>>OUTPUT=JPEG OUTPUT=WBMP OUTPUT=PDF OUTPUT=SWF SUPPORTS=PROJ SUPPORTS=TTF
> >>>SUPPORTS=WMS_SERVER SUPPORTS=WMS_CLIENT SUPPORTS=WFS_SERVER
> >>>SUPPORTS=WFS_CLIENT SUPPORTS=GD2_RGB INPUT=EPPL7 INPUT=OGR INPUT=GDAL
> >>>INPUT=SHAPEFILE <br> PHP MapScript Version ($Revision: 1.159 $ $Date:
> >>>2003/04/23 14:36:46 $)
> >>>
> >>>Everything works fine, except a strange behaviour when using output jpeg
> >>>RGB, Label and transparent layer. It is impossible to get black label when
> >>>there is any transparent layer under the "labeled layer". You just get
> >>>"square" instaed of letter.
> >>>
> >>>I think this behaviour would be quite limitating when using transparency
> >>>with RGB jpeg output.
> >>>
> >>>I don't know if it could be related to bug 271 (but it is marked resolved),
> >>>or it it is a limitation or if I miused version 3.7
> >>>
> >>>I prepared a little page showing the problem with mapfile, output,...
> >>>(so I don't pollute the mailing list with image attachment):
> >>>
> >>>http://c2cpc1.camptocamp.com/~claude/mapserver/mapserver_transparency.html
> >>>
> >>>If think this is a bug I will fill bugzilla.
> >>>
> >>>I will try the same on a Linux box the next few days.
> >>>
> >>>
> >>Claude,
> >>
> >>I wonder if you are using GD 2.0.12 or later.  This sounds like the bug
> >>that was fixed in 2.0.12.  I am cc:ing Assefa at DMSG who may know what
> >>version of GD 2 is being used.
> >>
> >>Best regards,
> >>--
> >>---------------------------------------+--------------------------------------
> >>I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
> >>light and sound - activate the windows | http://pobox.com/~warmerdam
> >>and watch the world go round - Rush    | Geospatial Programmer for Rent
> >>
> >>
> >
> >--
> >----------------------------------------------------------------
> >Assefa Yewondwossen
> >Software Analyst
> >
> >Email: assefa at dmsolutions.ca
> >http://www.dmsolutions.ca/
> >
> >Phone: (613) 565-5056 (ext 14)
> >Fax:   (613) 565-0925
> >----------------------------------------------------------------
> >
> >
> >
> >_______________________________________________
> >Mapserver-dev mailing list
> >Mapserver-dev at lists.gis.umn.edu
> >http://lists.gis.umn.edu/mailman/listinfo/mapserver-dev
> >
> >
> >
> >
>
> --
> David W. Graham
> Director of Geospatial Applications Development
> information integration and imaging, LLC
> 201 Linden St, Third Floor
> Fort Collins, CO 80524
> (970) 482-4400
> dgraham at i3.com
> http://www.i3.com

--
----------------------------------------------------------------
Assefa Yewondwossen
Software Analyst

Email: assefa at dmsolutions.ca
http://www.dmsolutions.ca/

Phone: (613) 565-5056 (ext 14)
Fax:   (613) 565-0925
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