diagrams is a full-featured framework and domain-specific language (embedded in Haskell) for creating declarative vector graphics and animations.
This package is just a convenient wrapper around the
diagrams-core, diagrams-lib, diagrams-svg, and
diagrams-contrib packages, so they can be installed with a single
cabal install --lib diagrams command.
The package also comes with flags to enable six different backends.
The native SVG backend is
enabled by the -fsvg flag and is enabled by default. If you don't
want it, you must explicitly disable it with -f-svg.
The
native postscript backend
is disabled by default but can be enabled by the -fps flag.
The cairo backend is
disabled by default but can be selected with the -fcairo flag. In
addition, the GTK backend
is based on the cairo backend (but split into a separate package to
make installing the cairo backend easier). It can be selected with
the fgtk flag.
The native rasterific backend which is
disabled by default but can be selected with the -frasterific flag.
The native canvas backend which is
disabled by default but can be selected with the -fcanvas flag.
cabal update && cabal install --lib diagrams
or, to get the postscript backend in addition to the SVG backend:
cabal update && cabal install --lib -fps diagrams
or, to get the cairo backend in addition to the SVG backend:
cabal update && cabal install gtk2hs-buildtools && cabal install --lib -fcairo diagrams
Issue trackers for all diagrams-related repositories are hosted under the diagrams organization on github. If you know the specific package containing the bug, report it in the issue tracker specific to that package (for example, diagrams-lib). Otherwise, just report the issue in the issue tracker for the general diagrams repository.
For more information, including a gallery of examples, tutorial, and
user manual, see the
diagrams website. For help,
join the #diagrams IRC channel on Freenode or the
mailing list.
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