ppm2pcard

ppm2pcard
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Turn ppm files into pixel art postcards.

Usage

# generate 4 postcards from a single source
$ ./ppm2pcard ppm/mario.ppm | ps2pdf - mario.pdf

# generate 4 different postcards from 4 sources
$ ./ppm2pcard ppm/mario.ppm ppm/toad.ppm ppm/luigi.ppm ppm/peach.ppm | ps2pdf - mario-and-friends.pdf

Example

See samples in the postcards directory: