Ubuntu Feisty 7.04 manual page repository

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Provided by: libggi2_2.2.1-5ubuntu1_i386

 

NAME

        display-file : Render display into image file
 

SYNOPSIS

        display-file: [-flushcmd=<command>] [-flushframe=<n>]
                      [-flushtime=<t>] <filename>
 

DESCRIPTION

        Renders  an  image  into  a file.  The file can be a framebuffer device
        (e.g. /dev/fb0), in which case a reasonable representation of the image
        will  be drawn on the console so long as the program’s mode matches the
        framebuffer’s mode.
display-multi(7) tar‐
               get  can  be used in order to see (and control) what the program
               does (using a normal target) and then generate a  snapshot  when
               the program exits.
 

OPTIONS

        filename is the file to render the images to.  If the filename is a PPM
        file (has the extension .ppm), then the image will be generated at ggi     
Close(3)  time.   Otherwise  the file is a custom GGIFILE format and is
        generated continuously.
 
        The display-file target can be used to  generate  movies  from  running
        LibGGI  applications.  To  do this, set -flushcmd to a shell command to
        execute at the times given by one of the  two  other  parameters.  This
        looks typically like:
 
        ppmtogif foo.ppm > foo.%04d.gif
 
printf(3) which has the current count
        of saved frames as an argument (or rather as 10 arguments  to  allow  a
        few more complex commands).
 
        This  shell command is either executed at every n-th invocation of ggi‐
        Flush or every t seconds, where t can have fractional components (spec‐
        ified as decimal).
 
        Note,  that the invocation of the shell command will slow down the pro‐
        gram, so make sure you use a reasonable value, if you use  the  -flush‐
        time argument.
 
        The  primary  file is updated before every invocation of the shell com‐
        mand.
 

FEATURES

        ·   DirectBuffer always available.
 
        ·   Unaccelerated.
 

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