Em Mon, 17 Jul 2017 06:33:03 -0300 Mauro Carvalho Chehab <mche...@s-opensource.com> escreveu:
> Em Mon, 17 Jul 2017 10:15:26 +0200 > Markus Heiser <markus.hei...@darmarit.de> escreveu: > > > > Am 17.07.2017 um 00:08 schrieb Mauro Carvalho Chehab > > > <mche...@s-opensource.com>: > > > > > > [1] There's an unrelated bug with the Kernel's sphinx extension > > > kimage: when parsing GraphViz graphs, it uses "-Tpdf" argument, > > > in order to generate a PDF image. That doesn't work on some > > > distros, as GraphViz doesn't support PDF images. > > > > > > > Hmm .. http://www.graphviz.org/content/output-formats#dpdf > > > > Is it a problem of the GraphViz version? > > > > See http://www.graphviz.org/News.php .. > > > > """New Release 2.32 (1 August 2013) > > > > ... In addition, if the poppler library is available, Graphviz > > can now use PDF files as images.""" > > > > I suppose that 2.32 is in your distro .. it's from 2013 > > Fedora 26 is shipped with version 2.40: > > $ rpm -q graphviz > graphviz-2.40.1-4.fc26.x86_64 > > Yet: > > $ dot -Thelp|grep pdf > Format: "help" not recognized. Use one of: canon cmap cmapx cmapx_np dot > dot_json eps fig gv imap imap_np ismap json json0 mp pic plain plain-ext pov > ps ps2 svg svgz tk vdx vml vmlz xdot xdot1.2 xdot1.4 xdot_json > > I actually noticed this issue first on OpenSuse, where GraphViz is > packaged on several packages, but I was unable to find one package > there with pdf suport. I'm pretty sure pdf used to work on F25. > > > > > It seems, that the graphiz homepage is not up to date. I found > > the repo at github. There is a issue about PDF > > > > https://github.com/ellson/graphviz/issues/1180 > > > > So I guess graphviz is compiled without HAVE_PANGOCAIRO in your > > distros? > > > From Fedora source package, it is requiring both cairo and pango: > > BuildRequires: cairo-devel >= 1.1.10, pango-devel, gmp-devel, > lua-devel, gtk2-devel, libgnomeui-devel > > Building it gets: > > checking for PANGOCAIRO... yes > > Still, no PDF support. I'll try to investigate it further, as I > found myself useful to produce PDF directly from GraphViz. > > Anyway, I guess we should modify kfigure.py to check if PDF is > available, falling back to SVG, using ImageMagick to convert > from SVG to PDF. Ok, I discovered that, on Fedora, support for pdf, png and some other formats are packaged on a separate package: graphviz-gd.x86_64 With it installed, it now shows "pdf": $ dot -Thelp Format: "help" not recognized. Use one of: bmp canon cmap cmapx cmapx_np dot dot_json eps fig gd gd2 gif gtk gv ico imap imap_np ismap jpe jpeg jpg json json0 mp pdf pic plain plain-ext png pov ps ps2 svg svgz tif tiff tk vdx vml vmlz vrml wbmp x11 xdot xdot1.2 xdot1.4 xdot_json xlib Thanks, Mauro
