diff options
| -rw-r--r-- | share/mk/doc.images.mk | 53 |
1 files changed, 50 insertions, 3 deletions
diff --git a/share/mk/doc.images.mk b/share/mk/doc.images.mk index d5623cced5..ad353e6052 100644 --- a/share/mk/doc.images.mk +++ b/share/mk/doc.images.mk @@ -1,5 +1,5 @@ # -# $FreeBSD: doc/share/mk/doc.images.mk,v 1.2 2000/07/18 16:30:45 nik Exp $ +# $FreeBSD: doc/share/mk/doc.images.mk,v 1.3 2000/09/28 23:29:47 nbm Exp $ # # This include file <doc.images.mk> handles image processing. # @@ -17,14 +17,61 @@ # that the images are converted from their repository format to the # correct output format. # -# Note that this latter functionality is not yet implemented. + +# +# Using document specific images +# ------------------------------ +# +# The images that each document provides *from the repository* are listed in +# the IMAGES variable. +# +# We then need to build a list of images that must be generated from these. +# This is to handle the case where a document might include some images as +# bitmaps and some as vector images in the repository, but where, depending +# on the output format, you want all the images in one format or another. # +# This list of generated images can then be cleaned in the clean target +# later +# +# This is the same for each format. To use IMAGES_GEN_PNG as an example, +# the substitution means "First match, using M, all the components of +# ${IMAGES} that match the '*.eps' regexp. Then, search/replace the .eps +# in the matching filenames with .png. Finally, stick the results in the +# ${IMAGES_GEN_PNG} variable." ${IMAGES_GEN_PNG} then contains the names +# of all the .eps images listed, but with a .png extension. This is the +# list of files we need to generate if we need PNG format images. +# + +IMAGES_GEN_PNG=${IMAGES:M*.eps:S/.eps$/.png/} +IMAGES_GEN_EPS=${IMAGES:M*.png:S/.png$/.eps/} + +CLEANFILES+= ${IMAGES_GEN_PNG} ${IMAGES_GEN_EPS} + +IMAGES_PNG=${IMAGES:M*.png} ${IMAGES_GEN_PNG} +IMAGES_EPS=${IMAGES:M*.eps} ${IMAGES_GEN_EPS} + +# 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 +# the targets on the fly. + +.for _curimage in ${IMAGES_GEN_PNG} +${_curimage}: ${_curimage:S/.png$/.eps/} + convert -antialias ${_curimage:S/.png$/.eps/} ${_curimage} +.endfor + +.for _curimage in ${IMAGES_GEN_EPS} +${_curimage}: ${_curimage:S/.eps$/.png/} + convert -antialias ${_curimage:S/.eps$/.png/} ${_curimage} +.endfor + +.SUFFIXES: .pdf .eps .png # # Using library images # -------------------- # -# Each document that wants to use one or more library images has to +# Each document that wants to use one or more library images has to # list them in the LIB_IMAGES variable. For example, a document that wants # to use callouts 1 thru 4 has to list # |