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Add a 'GREYSCALE_IMAGES' option to the print infrastructure to convert

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screenshots to greyscale before embedding them in the PostScript
output.

Sponsored by:	FreeBSD Mall, Inc.
This commit is contained in:
Murray Stokely 2003-12-08 02:37:02 +00:00
parent 4be4240714
commit 1d5eac4d80
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=19102
2 changed files with 15 additions and 0 deletions

4
share/mk/doc.docbook.mk
View file

@ -93,6 +93,10 @@
# RLE Use Run-Length Encoding for EPS files, this will # RLE Use Run-Length Encoding for EPS files, this will
# result in signficiantly smaller PostScript files, # result in signficiantly smaller PostScript files,
# but may take longer for a printer to process. # but may take longer for a printer to process.
#
# GREYSCALE_IMAGES Convert the screenshots to greyscale before
# embedding them into the PostScript output.
#
# #
# Documents should use the += format to access these. # Documents should use the += format to access these.

11
share/mk/doc.images.mk
View file

@ -138,6 +138,8 @@ EPS2PNG?= ${PREFIX}/bin/peps
EPS2PNGOPTS?= -p -r ${EPS2PNG_RES} ${EPS2PNGFLAGS} EPS2PNGOPTS?= -p -r ${EPS2PNG_RES} ${EPS2PNGFLAGS}
PNGTOPNM?= ${PREFIX}/bin/pngtopnm PNGTOPNM?= ${PREFIX}/bin/pngtopnm
PNGTOPNMOPTS?= ${PNGTOPNMFLAGS} PNGTOPNMOPTS?= ${PNGTOPNMFLAGS}
PPMTOPGM?= ${PREFIX}/bin/ppmtopgm
PPMTOPGMOPTS?= ${PPMTOPGMFLAGS}
PNMTOPS?= ${PREFIX}/bin/pnmtops PNMTOPS?= ${PREFIX}/bin/pnmtops
PNMTOPSOPTS?= -noturn ${PNMTOPSFLAGS} PNMTOPSOPTS?= -noturn ${PNMTOPSFLAGS}
EPSTOPDF?= ${PREFIX}/bin/epstopdf EPSTOPDF?= ${PREFIX}/bin/epstopdf
@ -155,10 +157,19 @@ REALPATH?= /bin/realpath
.scr.png: .scr.png:
${SCR2PNG} ${SCR2PNGOPTS} < ${.IMPSRC} > ${.TARGET} ${SCR2PNG} ${SCR2PNGOPTS} < ${.IMPSRC} > ${.TARGET}
## If we want grayscale, convert with ppmtopgm before running through pnmtops
.if defined(GREYSCALE_IMAGES)
.scr.eps:
${SCR2PNG} ${SCR2PNGOPTS} < ${.ALLSRC} | \
${PNGTOPNM} ${PNGTOPNMOPTS} | \
${PPMTOPGM} ${PPMTOPGMOPTS} | \
${PNMTOPS} ${PNMTOPSOPTS} > ${.TARGET}
.else
.scr.eps: .scr.eps:
${SCR2PNG} ${SCR2PNGOPTS} < ${.ALLSRC} | \ ${SCR2PNG} ${SCR2PNGOPTS} < ${.ALLSRC} | \
${PNGTOPNM} ${PNGTOPNMOPTS} | \ ${PNGTOPNM} ${PNGTOPNMOPTS} | \
${PNMTOPS} ${PNMTOPSOPTS} > ${.TARGET} ${PNMTOPS} ${PNMTOPSOPTS} > ${.TARGET}
.endif
# The .txt files need to have any trailing spaces trimmed from # The .txt files need to have any trailing spaces trimmed from
# each line, which is why the output from ${SCR2TXT} is run # each line, which is why the output from ${SCR2TXT} is run