[OpenBabel-Updates] SF.net SVN: openbabel:[4510] openbabel/trunk

[<chr...@us...>]

Revision: 4510
          http://openbabel.svn.sourceforge.net/openbabel/?rev=4510&view=rev
Author:   chrismorl
Date:     2011-06-05 20:38:52 +0000 (Sun, 05 Jun 2011)

Log Message:
-----------
Integrated PNGFormat with PNG2Format. PNGFormat writes PNG files (by calling PNG2Format) and can embed and extract chemical structure data in them or external PNG files. Added option for changing (square) image size to cairopainter. Tidied up PNG2Format.cpp  

Modified Paths:
--------------
    openbabel/trunk/include/openbabel/depict/cairopainter.h
    openbabel/trunk/src/depict/cairopainter.cpp
    openbabel/trunk/src/formats/png2format.cpp
    openbabel/trunk/src/formats/pngformat.cpp


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