[Qgis-user] QGIS Windows build fails to load WMS with format image/jpeg

[Marco Pasetti]

Hi Tim,

> Hope you had a nice holiday :-)

yes, thanks :-)

> You wouldnt see any problems with dep
> walker sinve qt image support for jpeg is via plugins. Also on your
> dev system you probably wont see an issue since Qt will find the
> plugins in the Qt dir.

oh, yes, what a stupid I am! I forgot to test it renaming the DevTools 
folder, as I'm used to!
In fact, I did it, and the WMS loader (after connecting to the server) shows 
only the PNG option

> If you check main.cpp under src/app you will
> see the seaerch path used for qt image plugins.
> Copy the image plugins
> from qtdir/plugins/imageformats/* into the qgis dir using the expected
> subdir

Using Process Monitor I noticed the following failings:

C:\DEVTOOLS\QT-OPENSOURCE\PLUGINS\IMAGEFORMATS\QGIF4.DLL
C:\DEVTOOLS\QT-OPENSOURCE\PLUGINS\IMAGEFORMATS\QICO4.DLL
C:\DEVTOOLS\QT-OPENSOURCE\PLUGINS\IMAGEFORMATS\QJPEG4.DLL
C:\DEVTOOLS\QT-OPENSOURCE\PLUGINS\IMAGEFORMATS\QMNG4.DLL
C:\DEVTOOLS\QT-OPENSOURCE\PLUGINS\IMAGEFORMATS\QSVG4.DLL
C:\DEVTOOLS\QT-OPENSOURCE\PLUGINS\IMAGEFORMATS\QTIFF4.DLL

I think I should put them in the qgis/plugins, right?
I opened the cpp file and rapidly read it (I'm very short in times, sorry): 
at lines 535-536 I read:

    myPath += "/Contents/plugins";
    QCoreApplication::addLibraryPath( myPath );

Should I create a qgis/Contents/plugins dir, or the qgis/plugins is enough?

Then, I also found the following "failings" (detected by Process Manager but 
not from DepWalker):

C:\DevTools\Qt-OpenSource\bin\wintab32.dll
C:\DevTools\Qt-OpenSource\bin\ssleay32.dll

I do know nothing about wintab32.dll, while ssleay32.dll is the OpenSSL 
driver... but either PgSQL nor SQLite have been compiled with the OpenSSL 
support
Should I add them though? in the qgis root? at lines 537-539 of the main.cpp 
I read as follows:

    //next two lines should not be needed, testing only
    //QCoreApplication::addLibraryPath( myPath + "/imageformats" );
    //QCoreApplication::addLibraryPath( myPath + "/sqldrivers" );

interesting... but not actually compiled! (commented text). suggestions?

Finally: do you prefer a patch or a new binary release to fix that?

Regards,

Marco