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#! /bin/bash
# This script tests: pbmtoepsi pbmtopsg3 pbmtolps psidtopgm pstopnm
# Also requires: gs pnmtopnm pnmcrop
alias pbmtoepsi="${PBM_TESTPREFIX}pbmtoepsi"
alias pbmtolps="${PBM_TESTPREFIX}pbmtolps"
alias pbmtopsg3="${PBM_TESTPREFIX}pbmtopsg3"
alias psidtopgm="${PBM_TESTPREFIX}psidtopgm"
alias pstopnm="${PBM_TESTPREFIX}pstopnm"
alias pnmcrop="${PBM_BINPREFIX}pnmcrop"
shopt -s expand_aliases
# This script is for testing alternative (or minor) utilities that
# read/write Postscript and encapsulated Postscript:
# pbmtoepsi, pbmtopsg3, pbmtolps and psidtopgm.
#
# 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.
#
# If ps-roundtrip.test succeeds and this test fails, it is most likely
# a problem with one of the minor utilities, and vice versa.
# pstopnm does not use libnetpbm functions for output.
# Output is filtered through pnmtopnm.
# Test 1. Should print: 2425386270 41
pbmtopsg3 -dpi=72 testgrid.pbm \
> ${tmpdir}/testgrid1.ps && \
pstopnm -xborder=0 -yborder=0 -llx=0 -lly=-16 -urx=14 \
-dpi=72 -stdout -quiet -pbm ${tmpdir}/testgrid1.ps | \
pnmcrop | cksum
# Test 2. Should print: 2425386270 41
pbmtolps -dpi 72 testgrid.pbm \
> ${tmpdir}/testgrid2.ps && \
pstopnm -xborder=0 -yborder=0 -dpi=72 -stdout \
-quiet ${tmpdir}/testgrid2.ps -pbm | \
pnmcrop | cksum
# Test 3. Should print: 2916080186 235
# Output is pgm maxval=1 with black and white inverted.
#
pbmtoepsi testgrid.pbm > ${tmpdir}/testgrid.epsi && \
xysizebps=`awk '/BeginPreview/ {print $2,$3,$4}' \
${tmpdir}/testgrid.epsi` && \
awk '/^%%BeginPreview:/ { p=1; next } /^%%EndImage/ { p=0; next } \
p==1 && /%[ \t0-9a-fA-F]+/ { print substr($0,2); next } \
p==1 {print "!"$0}' \
${tmpdir}/testgrid.epsi | psidtopgm $xysizebps | cksum
rm ${tmpdir}/testgrid[12].ps ${tmpdir}/testgrid.epsi
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