diff options
Diffstat (limited to 'test/pamchannel.test')
-rwxr-xr-x | test/pamchannel.test | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/pamchannel.test b/test/pamchannel.test new file mode 100755 index 00000000..3529f4fe --- /dev/null +++ b/test/pamchannel.test @@ -0,0 +1,32 @@ +#! /bin/bash +# This script tests: pamchannel +# Also requires: pamtopnm + + +# Extract planes one by one. +# Convert output to pgm to make it identical to ppmtorgb3 output. + +# $ ppmtorgb3 testimg.ppm ; cksum testimg.{red,grn,blu} +# +# 1571496937 33838 testimg.red +# 394856971 33838 testimg.grn +# 3164158573 33838 testimg.blu + + +# Test 1. red channel +# Should produce 1571496937 33838 + +pamchannel -infile testimg.ppm 0 | \ + pamtopnm --assume | cksum + +# Test 2. green channel +# Should produce 394856971 33838 + +pamchannel -infile testimg.ppm -tupletype="GRAYSCALE" 1 | \ + pamtopnm | cksum + +# Test 3. blue channel +# Should produce 3164158573 33838 + +pamchannel -infile testimg.ppm 2 | \ + pamtopnm --assume | cksum |