[osg-users] Failed loading osgdb_freetype.dll
Andreas Haßler
we have the following problems:
We use osg-2.6.0
(http://www.openscenegraph.org/downloads/stable_releases/OpenSceneGraph-2.6/OpenSceneGraph-2.6.0.zip)
and the 3rdPartyLibraries
(https://osgtoy.svn.sourceforge.net/svnroot/osgtoy/3rdParty/branches/3rdParty_win32binaries_vs80sp1,
Revision 531).
We have developed an application with visual studio and the instructions here:
http://www.openscenegraph.org/projects/osg/wiki/Support/PlatformSpecifics/VisualStudio
The 3rdPartyLibraries are installed and can be found. When running our
application, we only see some small fonts, there must be something wrong with
the freetype-library.
Then, I set OSG_NOTIFY_LEVEL=debug an run the application again.
Here's the interesting output:
FindFileInPath() : USING C:\<some_path>\osgPlugins-2.6.0\osgdb_freetype.dll
DynamicLibrary::failed loading "osgPlugins-2.6.0/osgdb_freetype.dll"
No valid object found for C:\<some_path>\fonts\arial.ttf
The osgdb_freetype.dll is in the right path and is found by OSG. But it cannot
be loaded.
I checked the dependencies of osgdb_freetype.dll with the dependency walker of
Visual Studio, and I noticed that DWMAPI.DLL is not found on the system.
We have tested the applications on several windows-systems:
-- 2x Windows XP
-- 2x Windows XP Media Center Edition
First we think, the problems are only with the Media Center Edition, but this
isn't true. We have actually
-- one Windows XP and one Windows XP Media Center Edition the osgdb_freetype.dll
is loaded and works without problems
-- one Windows XP and one Windows XP Media Center Edition the osgdb_freetype.dll
is not loaded and it appears the described OSG-debug-message
On some systems is DWMAPI.DLL installed and can be found. On other systems is
DWMAPI.DLL never used for osgdb_freetype.dll (as seen in the dependency walker)???
Can someone help me, I have no idea what to do.
Thanks
Andreas
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christophe loustaunau
Hi Andreas,
What version of visual Studio do you use ?
and the 3rdPartyLibraries
(https://osgtoy.svn.sourceforge.net/svnroot/osgtoy/3rdParty/branches/3rdParty_win32binaries_vs80sp1,
Revision 531).
These third party was compiled with the service pack 1 of visual studio, do you have it ?
--
Christophe Loustaunau.
Jean-Sébastien Guay
> The 3rdPartyLibraries are installed and can be found. When running our
> application, we only see some small fonts, there must be something wrong with
> the freetype-library.
>
> Then, I set OSG_NOTIFY_LEVEL=debug an run the application again.
> Here's the interesting output:
>
> FindFileInPath() : USING C:\<some_path>\osgPlugins-2.6.0\osgdb_freetype.dll
> DynamicLibrary::failed loading "osgPlugins-2.6.0/osgdb_freetype.dll"
> No valid object found for C:\<some_path>\fonts\arial.ttf
There has been some discussion about this before (pretty often
actually), so please check the archives. It's probably related to the
version of Visual Studio with which you compiled OSG versus the version
which was used to compile the dependencies. Which version of Visual
Studio are you using?
The DWMAPI.DLL is a false-positive that Dependency Walker often gives,
you start to recognize these after a while. It doesn't have anything to
do with the problem.
Hope this helps,
J-S
--
______________________________________________________
Jean-Sebastien Guay jean-seba...@cm-labs.com
http://www.cm-labs.com/
http://whitestar02.webhop.org/
Tomlinson, Gordon
And are all the machines at the same windows patch level ?
Gordon
__________________________________________________________
Gordon Tomlinson
Product Manager 3D
Email : gtomlinson @ overwatch.textron.com
__________________________________________________________
(C): (+1) 571-265-2612
(W): (+1) 703-437-7651
"Self defence is not a function of learning tricks
but is a function of how quickly and intensely one
can arouse one's instinct for survival"
- Master Tambo Tetsura
Ümit Uzun
I hd same problem in VisualStudio and found a solution by debugging new version of freetype library in my system and then all works well. You really should debug it on your own system in last version.
HTH. Best Regards.
--
Ümit Uzun
Andreas Haßler
installing the Microsoft Visual C++ 2005 SP1 Redistributable Package (x86) from
solves the problems.
Thanks a lot for your help
Andreas Haßler
you might find this information useful. Feel free to include it into
your documentation.
Best regards,
Andreas
1) Download the OSG source-files from
http://www.openscenegraph.org/downloads/stable_releases/OpenSceneGraph-2.6/OpenSceneGraph-2.6.0.zip
and extract all files to e.g. C:\home\bob\openscenegraph
2) Checkout the prebuilt OSG 3rdParty libraries (revision 531) for windows from
https://osgtoy.svn.sourceforge.net/svnroot/osgtoy/3rdParty/branches/3rdParty_win32binaries_vs80sp1
to e.g. C:\home\bob\3rd_party
3) CMake
- Download CMake from
http://www.cmake.org/files/v2.4/cmake-2.4.8-win32-x86.zip
- Extract to [somewhere].
4) Execute [somewhere]\cmake-2.4.8-win32-x86\bin\CMakeSetup.exe
- Where is the source code: C:\home\bob\openscenegraph
- Where to build the binaries: C:\home\bob\openscenegraph-bin (for example)
- "Configure"
- Select Generator, Build For: Visual Studio 8 2005
- "OK"
5) Configure (I only list changed ones; also, not everything is necessary, so
adapt to your needs):
- ACTUAL_3RD_PARTY_DIR=C:/home/bob/3rd_party
BUILD_OSG_EXAMPLES=ON
CMAKE_INSTALL_PREFIX=C:/home/bob/openscenegraph-installed (for example)
- "Configure"
- BUILD_MFC_EXAMPLE=ON
- "Configure"
- Mark "Show advanced values"
- Set FREETYPE_INCLUDE_DIR_freetype2 to value of FREETYPE_INCLUDE_DIR/freetype
- Set FREETYPE_INCLUDE_DIR_ft2build to value of FREETYPE_INCLUDE_DIR
- "OK"
6) Build
- Open C:\home\bob\openscenegraph-bin\OpenSceneGraph.sln
- Choose solution configuration "Release" (or any other, if you like)
- Build ("F7", or right-click on solution, choose "Build Solution")
7) Install in C:/home/bob/openscenegraph-installed
- Right-click on VS-Project 'INSTALL' within the solution, choose "Build"
- Furtheron, you can use the installed
C:/home/bob/openscenegraph-installed/[include|lib|...]
as a source for your projects.
8) Install redistributable packages for Visual Studio 2005 (in this order)
You need the redistributables if your version of Visual Studio with which
you compiled OSG was different from the version which was used to compile the
3rdParty libraries.
So if you don't use Visual Studio 2005 with Service Pack 1, you have to
install the redistributable packages:
- Microsoft Visual C++ 2005 Redistributable Package (x86)
http://www.microsoft.com/Downloads/details.aspx?FamilyID=32bc1bee-a3f9-4c13-9c99-220b62a191ee
File: vcredist_x86.exe
- Microsoft Visual C++ 2005 SP1 Redistributable Package (x86)
http://www.microsoft.com/downloads/details.aspx?familyid=200b2fd9-ae1a-4a14-984d-389c36f85647
File: vcredist_x86.exe
9) Using the OSG libs as dependencies in a Visual Studio solution
- In your project's properties, use the environment variable OSG_ROOT to get
Visual Studio to find the OSG libraries:
- Properties - C/C++ - General - Additional Include Directories =
$(OSG_ROOT)\include
- Properties - Linker - General - Additional Library Directories =
$(OSG_ROOT)\lib
- Properties - Linker - Input - Additional Dependencies = (any OSG library
your project needs - for example: osg.lib osgGA.lib osgDB.lib osgViewer.lib
osgText.lib osgUtil.lib OpenThreads.lib)
Jean-Sébastien Guay
> you might find this information useful. Feel free to include it into
> your documentation.
All this info is already on the Visual Studio-specific page on the Wiki:
http://www.openscenegraph.org/projects/osg/wiki/Support/PlatformSpecifics/VisualStudio
*Except* the part about the Visual Studio redistributables. Please add
any information you find useful. To edit the wiki you need to login with
the info located here:
http://www.openscenegraph.org/projects/osg/wiki/Community/WikiLogIn
Thanks,
J-S
--
______________________________________________________
Jean-Sebastien Guay jean-seba...@cm-labs.com
http://www.cm-labs.com/
http://whitestar02.webhop.org/
