#! /bin/bash
# This script tests: ppmhist
# Also requires: pgmramp pamtopnm pbmmake pamseq ppmpat

pgmramp -maxval=8 -lr 8 2 | ppmhist -sort=rgb -noheader
ppmhist -map -sort=rgb -noheader testimg.ppm | pamtopnm | cksum

# Test summary header

pbmmake -b 2 1 | ppmhist   | head -n1
pbmmake -w 2 1 | ppmhist   | head -n1
pbmmake -g 2 1 | ppmhist   | head -n1
pgmramp -lr 16 1 | ppmhist | head -n1
pgmramp -lr -maxval=7 16 1 | ppmhist | head -n1
pamseq  3 1 | ppmhist | head -n1
pamseq  3 2 | ppmhist | head -n1
ppmpat -madras --color=rgb:32/0d/b7,rgb:31/58/a3,rgb:e9/5e/d4 25 25 | \
  ppmhist | head -n1
ppmpat -madras --color=rgb:00/00/00,rgb:31/58/a3,rgb:e9/5e/d4 25 25 | \
  ppmhist | head -n1
ppmpat -madras --color=rgb:00/00/00,rgb:31/58/a3,rgb:ff/ff/ff 25 25 | \
  ppmhist | head -n1