diff options
Diffstat (limited to 'test/lps-roundtrip.test')
| -rwxr-xr-x | test/lps-roundtrip.test | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/test/lps-roundtrip.test b/test/lps-roundtrip.test index f30062a8..71cd354d 100755 --- a/test/lps-roundtrip.test +++ b/test/lps-roundtrip.test @@ -1,22 +1,25 @@ #! /bin/bash # This script tests: pbmtolps pstopnm -# Also requires: gs pamdepth pamscale pnmcrop pnmpsnr +# Also requires: gs pamdepth pamscale pnmcrop pnmpsnr pamfile # The ordinary round-trip does not work because of the way ghostscript # renders: a line is considered wider than a single pixel and all pixels # it touches are set to black if the output is PBM. To work around this, # we tell pstopnm to output PGM at a high resolution (=large dpi value). +tmpdir=${tmpdir:-/tmp} +test_pgm=${tmpdir}/test.pgm -test_pgm=${tmpdir}/testgrid.pgm +echo "Test. Should print match" +xysize=$(pamfile -size testgrid.pbm | awk '{print "-xsize="$1,"-ysize="$2}') pamdepth 255 testgrid.pbm > ${test_pgm} - + pbmtolps -dpi 72 testgrid.pbm | \ pstopnm -dpi $((72*12)) -stdout -pgm | \ - pnmcrop -white | pamscale -xsize=14 -ysize=16 | \ + pnmcrop -white | pamscale ${xysize} | \ pnmpsnr -target=30 - ${test_pgm} - -# ghostscript version 8.71: pnmpsnr lumina 33.14dB - + + # ghostscript version 8.71: pnmpsnr lumina 33.14dB + rm ${test_pgm} |