Ticket #79: convert.patch

configure.ac

@@ -27 +27 @@
 AC_PROG_LIBTOOL
 
 AC_CHECK_PROG([doxygen_found],[doxygen],[yes],[no])
+AC_CHECK_PROG([gs_found],[gs],[yes],[no])
 
 if test x"$lx_cmdline_cxxflags_set" != x"set" -a "$GXX" = yes; then
   CXXFLAGS="$CXXFLAGS -Wall -W -Wall -W -Wunused -Wformat=2 -Wctor-dtor-privacy -Wnon-virtual-dtor -Wno-char-subscripts -Wwrite-strings -Wno-char-subscripts -Wreturn-type -Wcast-qual -Wcast-align -Wsign-promo -Woverloaded-virtual -Woverloaded-virtual -ansi -fno-strict-aliasing -Wold-style-cast -Wno-unknown-pragmas"

doc/Makefile.am

@@ -6 +6 @@
         doc/license.dox \
         doc/mainpage.dox \
         doc/namespaces.dox \
+        doc/images \
         doc/html
 
 doc/html:
         $(MAKE) $(AM_MAKEFLAGS) html
 
-html-local:
+GS_COMMAND=gs -sDEVICE=png16m -dNOPAUSE -dBATCH -q -dEPSCrop -dTextAlphaBits=4 -dGraphicsAlphaBits=4
+
+NODESHAPE_IMAGES = \
+        doc/images/nodeshape_0.png \
+        doc/images/nodeshape_1.png \
+        doc/images/nodeshape_2.png \
+        doc/images/nodeshape_3.png \
+        doc/images/nodeshape_4.png
+
+$(NODESHAPE_IMAGES): %.png: %.eps
+        -mkdir doc/images
+        if test ${gs_found} = yes; then \
+          $(GS_COMMAND) -r18 -sOutputFile=$@ $<; \
+        else \
+          echo; \
+          echo "Ghostscript not found."; \
+          echo; \
+          exit 1; \
+        fi
+
+html-local: $(NODESHAPE_IMAGES)
         if test ${doxygen_found} = yes; then \
           cd doc; \
           doxygen Doxyfile; \
@@ -26 +47 @@
 clean-local:
         -rm -rf doc/html
         -rm -f doc/doxygen.log
+        -rm -f doc/images/*.png
+        -rmdir doc/images
 
 update-external-tags:
         wget -O doc/libstdc++.tag.tmp http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/libstdc++.tag && \