gm cannot read a standard WMF test file "WmfTest.wmf "
The file seems to be OK, problem is in gm.
C:\temp\40>"D:\Program Files\GraphicsMagick-1.3.40-Q8\gm.exe" convert WmfTest.wmf WmfTest.bmp
ERROR: o:\src\graphicsmagick\wmf\src\player/record.h (28): Bad record - unexpectedly short!
ERROR: o:\src\graphicsmagick\wmf\src\player/record.h (28): Bad record - unexpectedly short!
ERROR: o:\src\graphicsmagick\wmf\src\player/record.h (101): Bad record - unexpectedly short!
D:\Program Files\GraphicsMagick-1.3.40-Q8\gm.exe convert: Failed to scan file (WmfTest.wmf).