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Add a new variable, EPS2PNG_RES, to set the resolution eps2png uses to

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convert graphics.  Change the default from 82 to 100, for clearer images.

PR:		docs/28237
Submitted by:	G. Adam Stanislav <adam@whizkidtech.net>

While I'm here, include some suffix rules to convert .scr files to .png
files.  Nothing uses these, yet, but should do shortly.
This commit is contained in:
Nik Clayton 2001-06-22 10:12:23 +00:00
parent 33c100c32d
commit 6887d21569
Notes: svn2git 2020-12-08 03:00:23 +00:00 
svn path=/head/; revision=9668
1 changed files with 15 additions and 3 deletions
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18
share/mk/doc.images.mk
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@ -1,5 +1,5 @@
#
# $FreeBSD: doc/share/mk/doc.images.mk,v 1.7 2001/02/20 19:08:58 nik Exp $
# $FreeBSD: doc/share/mk/doc.images.mk,v 1.8 2001/05/09 19:31:47 nik Exp $
#
# This include file <doc.images.mk> handles image processing.
#
@ -53,14 +53,26 @@ IMAGES_GEN_PDF=${IMAGES:M*.eps:S/.eps$/.pdf/}
CLEANFILES+= ${IMAGES_GEN_PNG} ${IMAGES_GEN_EPS} ${IMAGES_GEN_PDF}
IMAGES_PNG=${IMAGES:M*.png} ${IMAGES_GEN_PNG}
IMAGES_PNG=${IMAGES:M*.png} ${IMAGES_GEN_PNG} ${IMAGES:M*.scr:S/.scr$/.png/}
IMAGES_EPS=${IMAGES:M*.eps} ${IMAGES_GEN_EPS}
# The default resolution eps2png (82) assumes a 640x480 monitor, and is too
# low for the typical monitor in use today. The resolution of 100 looks
# much better on these monitors without making the image too large for
# a 640x480 monitor.
EPS2PNG_RES?= 100
# We only need to list ${IMAGES_GEN_PDF} here. If all the source files are
# EPS then they'll be in this variable; if any of the source files are PNG
# then we can use them directly, and don't need to list them.
IMAGES_PDF=${IMAGES_GEN_PDF}
# Use suffix rules to convert .scr files to .png files
.SUFFIXES: .scr .png
.scr.png:
scr2png < ${.IMPSRC} > ${.TARGET}
# We can't use suffix rules to generate the rules to convert EPS to PNG and
# PNG to EPS. This is because a .png file can depend on a .eps file, and
# vice versa, leading to a loop in the dependency graph. Instead, build
@ -68,7 +80,7 @@ IMAGES_PDF=${IMAGES_GEN_PDF}
.for _curimage in ${IMAGES_GEN_PNG}
${_curimage}: ${_curimage:S/.png$/.eps/}
eps2png -output ${.TARGET} ${.ALLSRC}
eps2png -res ${EPS2PNG_RES} -output ${.TARGET} ${.ALLSRC}
.endfor
.for _curimage in ${IMAGES_GEN_EPS}