genpng − Generate an overview image from a source file


     genpng creates an overview image for a given source
     code file of either plain text or .gcov file format.

     Note that the Perl module has to be installed for
     this script to work (it may be obtained from

     Note also that genpng is called from within genhtml so
     that there is usually no need to call it directly.

          Print a short help text, then exit.

          Print version number, then exit.

     −t tab−size
     −−tab−size tab−size
          Use tab−size spaces in place of tab.

          All occurrences of tabulator signs in the source
          code file will be replaced by the number of spaces
          defined by tab−size (default is 4).

     −w width
     −−width width
          Set width of output image to width pixel.

          The resulting image will be exactly width pixel
          wide (default is 80).

          Note that source code lines which are longer than
          width will be truncated.

     −o filename
     −−output−filename filename
          Write image to

          Specify a name for the resulting image file
          (default is

     Peter Oberparleiter <>