diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/Test-Order | 1 | ||||
| -rw-r--r-- | test/lps-roundtrip.ok | 1 | ||||
| -rwxr-xr-x | test/lps-roundtrip.test | 22 | ||||
| -rw-r--r-- | test/ps-alt-roundtrip.ok | 1 | ||||
| -rwxr-xr-x | test/ps-alt-roundtrip.test | 21 |
5 files changed, 31 insertions, 15 deletions
diff --git a/test/Test-Order b/test/Test-Order index e9ea1b55..ab193a54 100644 --- a/test/Test-Order +++ b/test/Test-Order @@ -191,5 +191,6 @@ xwd-roundtrip.test fiasco-roundtrip.test jpeg-roundtrip.test +lps-roundtrip.test tiffcmyk-roundtrip.test yuv-roundtrip.test diff --git a/test/lps-roundtrip.ok b/test/lps-roundtrip.ok new file mode 100644 index 00000000..02b1d1a9 --- /dev/null +++ b/test/lps-roundtrip.ok @@ -0,0 +1 @@ +match diff --git a/test/lps-roundtrip.test b/test/lps-roundtrip.test new file mode 100755 index 00000000..f30062a8 --- /dev/null +++ b/test/lps-roundtrip.test @@ -0,0 +1,22 @@ +#! /bin/bash +# This script tests: pbmtolps pstopnm +# Also requires: gs pamdepth pamscale pnmcrop pnmpsnr + +# 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). + + +test_pgm=${tmpdir}/testgrid.pgm + +pamdepth 255 testgrid.pbm > ${test_pgm} + +pbmtolps -dpi 72 testgrid.pbm | \ + pstopnm -dpi $((72*12)) -stdout -pgm | \ + pnmcrop -white | pamscale -xsize=14 -ysize=16 | \ + pnmpsnr -target=30 - ${test_pgm} + +# ghostscript version 8.71: pnmpsnr lumina 33.14dB + +rm ${test_pgm} diff --git a/test/ps-alt-roundtrip.ok b/test/ps-alt-roundtrip.ok index 1cd73f75..2deba38d 100644 --- a/test/ps-alt-roundtrip.ok +++ b/test/ps-alt-roundtrip.ok @@ -1,3 +1,2 @@ 2425386270 41 -2425386270 41 2916080186 235 diff --git a/test/ps-alt-roundtrip.test b/test/ps-alt-roundtrip.test index d90c4ddb..af7f7222 100755 --- a/test/ps-alt-roundtrip.test +++ b/test/ps-alt-roundtrip.test @@ -1,5 +1,5 @@ #! /bin/bash -# This script tests: pbmtoepsi pbmtopsg3 pbmtolps psidtopgm pstopnm +# This script tests: pbmtoepsi pbmtopsg3 psidtopgm pstopnm # Also requires: gs pnmcrop @@ -10,12 +10,15 @@ # We keep these tests separate from those for pnmtops and pstopnm # which are far more popular. # -# pbmtopsg3 and pbmtolps produce output that require pstopnm for decoding. +# pbmtopsg3 produces output that requires pstopnm for decoding. +# +# We used to test pbmtolps here, but moved it out when gs changed its +# rendering formula. # # Failure message ## If ps-roundtrip.test succeeds and this test fails, it is most likely ## a problem with one of the alternate Postscipt utilities: -## pbmtoepsi, pbmtopsg3, pbmtolps or psidtopgm. +## pbmtoepsi, pbmtopsg3, or psidtopgm. ## If both tests fail it indicates a problem with pstopnm or gs. # pstopnm does not use libnetpbm functions for output. @@ -33,18 +36,8 @@ pstopnm -xborder=0 -yborder=0 -llx=0 -lly=-16 -urx=14 \ rm ${testgrid1_ps} -# Test 2. Should print: 2425386270 41 -testgrid2_ps=${tmpdir}/testgrid2.ps - -pbmtolps -dpi 72 testgrid.pbm \ - > ${testgrid2_ps} && \ -pstopnm -xborder=0 -yborder=0 -dpi=72 -stdout \ - -quiet ${testgrid2_ps} -pbm | \ - pnmcrop | cksum - -rm ${testgrid2_ps} -# Test 3. Should print: 2916080186 235 +# Test 2. Should print: 2916080186 235 # Output is pgm maxval=1 with black and white inverted. # testgrid_epsi=${tmpdir}/testgrid.epsi |