diff options
Diffstat (limited to 'test/ppmmix.test')
| -rwxr-xr-x | test/ppmmix.test | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/test/ppmmix.test b/test/ppmmix.test index d24e589d..25e35f0e 100755 --- a/test/ppmmix.test +++ b/test/ppmmix.test @@ -13,14 +13,19 @@ alias ppmtopgm="${PBM_BINPREFIX}ppmtopgm" shopt -s expand_aliases -# Print a pretty checkerboard pattern +tmpdir=${tmpdir:-/tmp} + +# Test 1. Print a pretty checkerboard pattern +a1_pgm=${tmpdir}/a1.pgm +a2_pgm=${tmpdir}/a2.pgm + pbmmake -g 8 8 | \ - pgmtopgm > ${tmpdir}/a1.pgm && + pgmtopgm > ${a1_pgm} && pbmmake -g 2 2 | pamenlarge 4 | \ - pgmtopgm > ${tmpdir}/a2.pgm && -ppmmix 0.75 ${tmpdir}/a1.pgm ${tmpdir}/a2.pgm -plain | \ + pgmtopgm > ${a2_pgm} && +ppmmix 0.75 ${a1_pgm} ${a2_pgm} -plain | \ ppmtopgm | pamdepth 3 -plain && -rm ${tmpdir}/a1.pgm ${tmpdir}/a2.pgm +rm ${a1_pgm} ${a2_pgm} # Mix image with itself. # Output should match input regardless of ratio. @@ -31,8 +36,10 @@ done # Mix image with its own inverse. # Output should be a monotone gray sheet. +a3_ppm=${tmpdir}/a3.ppm + pnminvert testimg.ppm | ppmmix .5 \ - testimg.ppm - | tee ${tmpdir}/a3.ppm | \ + testimg.ppm - | tee ${a3_ppm} | \ pamsumm -brief -max && - pamsumm -brief -min ${tmpdir}/a3.ppm && -rm ${tmpdir}/a3.ppm + pamsumm -brief -min ${a3_ppm} && +rm ${a3_ppm} |