On Wed, 2009-02-04 at 19:27 +0100, Bálint Kardos wrote: > Hi Sebastien, > > > thanks for your reply! > I only want to deploy it on the Linux server, so I'm working on this > part first. > > > I found the solution, it had no rights to write to a given folder.
Yep, a bit lame but this is how GDI+/SD reports such permission issues. > It now executes, but the output file is just 192 bytes long, and only > has the header of the PNG stream. My previous suggestion still applies. Once you have a small EXE it will be much easier to debug (and/or trace) to see what's going on. > The whole process is the following: > > > 1) open a 24bit PNG file > 2) add the text > 3) save the file to a given directory > 4) send it to the out stream > > > Image.FromFile would throw an exception if it would not find the > original file, > the TextWriter would throw an exception if it would not find the font, TextWriter / font ? not likely ;-) > so I can't find any reason why it's not working. Try to remove step 2 (adding the text) and see if a copy of the original file is saved (or just an header). > > I don't know, possibly I'm missing some required .so files? > I installed everything from the mono packages, and have libpng > installed as well. Possible but unlikely, since you would have hit an exception (or a crash). > > > > > üdvözlettel > with regards > > Kardos Bálint > _______________________________________ > http://skaelede.hu 10 (0xA) év a magyar weben > > > On Wed, Feb 4, 2009 at 19:12, Sebastien Pouliot > <[email protected]> wrote: > On Wed, 2009-02-04 at 18:55 +0100, Bálint Kardos wrote: > > Hi, > > > > > > I have written a small HttpHandler which automatically > generates text > > on the fly with a custom font, added to the > > System.Drawing.Font.PrivateFontCollection. > > > > > > with Ms.net 3.5sp1, it works fine. > > > > > > with Mono 2.0.1, > > on Vista, it dies with: > > > > > > Stacktrace: > > > > > > at (wrapper managed-to-native) > > System.Drawing.GDIPlus.GdipDeletePrivateFontCollection > (intptr&) > > <0x00004> > > at (wrapper managed-to-native) > > System.Drawing.GDIPlus.GdipDeletePrivateFontCollection > (intptr&) > > <0xffffffff> > > at System.Drawing.Text.PrivateFontCollection.Dispose > (bool) > > [0x00015] in C:\cygwin\tmp\monobuild\build\BUILD\mono-2.0.1 > \mcs\class > > \System.Drawing\System.Drawing.Text > \PrivateFontCollection.cs:80 > > > > > > > > > > on Linux, it dies with: > > > > > > System.Exception: Generic Error [GDI+ status: GenericError] > > at System.Drawing.GDIPlus.CheckStatus (Status status) > [0x00000] > > at System.Drawing.Image.Save (System.String filename, > System.Drawing.Imaging.ImageCodecInfo encoder, > System.Drawing.Imaging.EncoderParameters encoderParams) > [0x00000] > > at System.Drawing.Image.Save (System.String filename, > System.Drawing.Imaging.ImageFormat format) [0x00000] > > > > none of the which are further traceable. > > > This is likely two different issues. I recall (it was a > _long_ time > ago) some win32 specific behavior wrt PrivateFontCollection - > explaining the first case. > > I suspect the later error (on Linux) is due to something else. > > > Any clues on how to further debug? > > thank you, > > > Try to create a test case outside your HTTP handler (i.e. a > small EXE). > Then use "mono --debug app.exe" to get a bit more information > and fill a > bug report on http://bugzilla.novell.com > > Thanks, > Sebastien > > > > _______________________________________________ Mono-list maillist - [email protected] http://lists.ximian.com/mailman/listinfo/mono-list
