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#!/bin/sh
temp_name="demo.tmp.pgm"
clean() {
rm -v "$temp_name"
}
create_demo() {
echo "::: Invoking fractal-gen through pnminvert for negative PGM image"
./fractal-gen -p any -s "$1" -i "$2"| pnminvert > "$temp_name"
echo "::: Invoking ImageMagick to convert to PNG"
convert "$temp_name" "$3"
echo "::: Success. Final image is $3"
}
hash pnminvert || exit
hash convert || exit
trap clean EXIT
create_demo 768 75 demo-low-iterat.png
create_demo 768 10000000 demo-high-iterat.png
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