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Man Pages


Manual Reference Pages  -  SCR2PNG (1)

NAME

scr2png - convert a video memory dump to a PNG image

CONTENTS

Synopsis
Description
Return Values
Examples
See Also
Authors

SYNOPSIS

scr2png [-f font-file] [-v]

DESCRIPTION

The scr2png utility reads a video memory dump, such as that created by the vidcontrol(1) utility, and converts it to a PNG image, using the font file specified by the user, or a default font if none is specified. scr2png reads from the standard input, and writes to the standard output.

The following options are available:
-f font-file
  Use the font read from font-file when rendering characters on to the image. scr2png reads the same font files used by the vidcontrol(1) utility. The default font file is /usr/share/syscons/fonts/cp850-8x16.fnt.
-v Use a VGA adapter palette. The default colours used by scr2png match those used by many X11 terminal implementations. However, they do not closely match those used by a typical VGA adapter. Use -v and the colours are more likely to match those originally displayed.

See scrshot(1) for information about the input file format expected by scr2png.

RETURN VALUES

The scr2png utility exits 0 on success or >0 if an error occurred.

EXAMPLES

The command sequence:

 vidcontrol -p < /dev/ttyv0 > shot.scr

 scr2png < shot.scr > shot.png

will capture the contents of the first virtual terminal, and redirect the output to the shot.scr file. scr2png then processes this file, and writes the output to shot.png. Of course this could be rewritten as


 vidcontrol -p < /dev/ttyv0 | scr2png > shot.png

This example captures a screen shot, and then produces two different PNG images using different fonts.


 vidcontrol -p < /dev/ttyv0 > shot.scr

 scr2png < shot.scr > shot-1.png

 scr2png -f /usr/share/syscons/fonts/cp850-8x14.fnt < shot.scr > shot-2.png

SEE ALSO

scr2txt(1), vidcontrol(1), syscons(4)

AUTHORS


.An Nik Clayton Aq nik@FreeBSD.org
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