[MS4W-Users] Cairo

[Stephen Woodbridge]

Emmanuel,

I did a lot of work with Thomas Bonfort regarding svg symbol support. I 
collected a lot of svg files from the net and created some of my own. 
Here is a test page:

http://imaptools.com:8080/svg-test/

The first column is the raw svg rendered directly via the browser, the 
2nd column is the same svg rendered as an image via mapserver. I'm using 
some 6.1-dev version of mapserver but the results should be similar with 
6.2.

For most of the files that failed to render, I found that is I got them 
into an svg editor like inkscape and flatten the svg image, that in most 
cases it would work with mapserver. There is a huge variety in the way 
SVG symbols can be constructed. Simple paths and fills work best for 
mapserver.

-Steve

On 5/7/2013 11:19 AM, Emmanuel Belo wrote:
> Hi Jeff,
>
> Camptocamp is very interested in having svg support in Mapserver, also
> for linux versions. As I understand, this implies moving to librsvg or
> developing a compatibility layer. See
> http://lists.osgeo.org/pipermail/mapserver-dev/2012-January/011901.html
>
> How could we setup a xfounding effort on this?
>
> Best regards,
>
> Emmanuel Belo
>
>
>
>
>
>
> On 16 February 2013 19:54, Jeff McKenna <jmckenna at gatewaygeomatics.com
> <mailto:jmckenna at gatewaygeomatics.com>> wrote:
>
>     Hi Donald,
>
>     Your timing is good because I have been working on Cairo in MS4W.
>
>     I have been working hard on upgrading MS4W Cairo (you can actually see
>     your version of Cairo installed on your local machine by going to
>     127.0.0.1/README_INSTALL.html#mapserver-build-environment
>     <http://127.0.0.1/README_INSTALL.html#mapserver-build-environment>).
>
>     You can see that the version on your machine is probably a year old or
>     so (git-03102011 is the date).
>
>     Cairo depends on many libraries (Pixman, PNG, ZLIB, Freetype, and their
>     dependencies), and although super-simple to compile on Linux - I just
>     did from source on Ubuntu - it is one of the hardest things I have ever
>     done on Windows.  I do have the latest Cairo now working (1.12.14) in
>     MS4W, but I must do much more testing.
>
>     Once I have something usable I will test the build in the ticket you
>     mentioned.
>
>     Related: Another unbelievable pain is compiling libsvg-cairo (and
>     libsvg) for SVG symbol support on Windows.  I am in the exact same
>     position as others in the MapServer community
>     (http://osgeo-org.1560.n6.nabble.com/SVG-symbol-support-in-MapServer-libsvg-and-librsvg-td4333022.html),
>     and I am considering using the librsvg library instead (as it is
>     actually maintained), but that is a considerable investment of effort (I
>     imagine the MapServer code would have to be adapted for this new
>     library).  If you are reading this and have comments/ideas/help, please
>     do comment directly in the related ticket:
>     http://bugzilla.maptools.org/show_bug.cgi?id=2415
>
>     I am away from now till a week from now giving training but I will
>     continue on this when I get back.
>
>     -jeff
>
>
>
>     --
>     Jeff McKenna
>     MapServer Consulting and Training Services
>     http://www.gatewaygeomatics.com/
>
>     On 13-02-16 1:32 PM, Donald Kerr wrote:
>      > Jeff,
>      >
>      > I think I am getting an issue with CAIRO/PNG OUTPUTFORMAT with
>     labels.
>      > Please see here for further info:
>      > https://github.com/mapserver/mapserver/issues/4581
>      >
>      > I would like to check whether or not the issue I am getting is in
>     fact
>      > related to Cairo and to that end the question I have is, does
>     MS4W use the
>      > latest version of Cairo? If not, where can I source the latest
>     dlls and what
>      > dlls do I need?
>      >
>      > Many thanks.
>      >
>      > Regards,
>      >
>      > Donald
>      >
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>
>
> --
> Camptocamp SA
> Emmanuel BELO
>
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