This is the command unihex2png that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
unihex2png - GNU Unifont .hex file to Portable Network Graphics converter
SYNOPSIS
unihex2png [-i input_file.hex ] -o output_file.png [-p pagenum ] [-r rows ]
DESCRIPTION
unihex2png reads a page of 256 Unicode code points from a GNU Unifont .hex file and
converts the page into a Portable Network Graphics (PNG) file. The graphics file displays
the glyphs of a Unicode block of 256 code points in a 32 by 32 pixel grid, or in a 40 by
40 pixel grid if "-r 32" is specified. The glyphs themselves can be either 16, 24, or 32
pixels tall depending on the "-r" parameter. They can be 8, 16, 24, or 32 pixels wide
(widths of 32 are only supported if "-r 32" is specified). The default page is 0; that
is, the range U+0000 through U+00FF, inclusive.
The PNG file can be printed. It can also be edited with a graphics editor. An edited PNG
file can then be re-converted into a GNU Unifont .hex file with the unipng2hex command.
OPTIONS
-i Specify the input file. If not omitted, a Unifont .hex file is read from
STDIN.
-o Specify the output file.
-p pagenum Extract page pagenum from the .hex file. The default is Page 0 (Unicode range
U+0000 through U+00FF). Note that "page" is not a standard Unicode term. It
refers to an output bitmap graphics page of 16 by 16 code points.
-r rows Specify the rows of pixels in the output glyphs. Valid values are 16, 24, and
32. The default is 16 pixel rows tall.
-h Print a help message of options and exit.
EXAMPLE
Sample usage:
unihex2png -i my_input_file.hex -o my_output_file.png
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