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authorPeter Breitenlohner <peb@mppmu.mpg.de>2009-11-10 10:29:43 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2009-11-10 10:29:43 +0000
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-dvipng
-******
-
-This program makes PNG and/or GIF graphics from DVI files as obtained
-from TeX and its relatives.
-
- If GIF support is enabled, GIF output is chosen by using the
-`dvigif' binary or with the `--gif' option.
-
- It is intended to produce anti-aliased screen-resolution images as
-fast as is possible. The target audience is people who need to generate
-and regenerate many images again and again. The primary target is the
-preview-latex (X)Emacs package, a package to preview formulas from
-within (X)Emacs. Yes, you get to see your formulas in the (X)Emacs
-buffer, see `http://www.gnu.org/software/auctex/preview-latex.html'.
-
- Another example is WeBWorK, an internet-based method for delivering
-homework problems to students over the internet, giving students
-instant feedback as to whether or not their answers are correct, see
-`http://webwork.math.rochester.edu'.
-
- A more recent addition to the dvipng-using applications out there is
-MediaWiki, the software behind Wikipedia and many other wikis out
-there. Dvipng is used to render mathematical formulae from version
-1.8.0 of MediaWiki, see `http://www.mediawiki.org'.
-
- Other applications may also benefit, like web applications as
-latex2html and WYSIWYG editors like LyX.
-
-Benefits of dvipng
-==================
-
- The benefits of `dvipng'/`dvigif' include
-
- * Speed. It is a very fast bitmap-rendering code for DVI files, which
- makes it suitable for generating large amounts of images
- on-the-fly, as needed in preview-latex, WeBWorK and others.
-
- * It does not read the postamble, so it can be started before TeX
- finishes. There is a `--follow' switch that makes dvipng wait at
- end-of-file for further output, unless it finds the POST marker
- that indicates the end of the DVI.
-
- * Interactive query of options. dvipng can read options interactively
- through stdin, and all options are usable. It is even possible to
- change the input file through this interface.
-
- * Supports PK, VF, PostScript Type1, and TrueType fonts, subfonts
- (i.e., as used in CJK-LaTeX), color specials, and inclusion of
- PostScript, PNG, JPEG or GIF images.
-
- * and more...
-
-
-Installation
-============
-
-Read `INSTALL', included in the distribution.
-
-Usage
-=====
-
-To use dvipng at its simplest, simply type
-
- dvipng foo
-
-where `foo.dvi' is the output of TeX that you want to convert to PNG
-format. If there are four pages in `foo.dvi', those pages will be
-output as `foo1.png', `foo2.png', `foo3.png', and `foo4.png',
-respectively.
-
- Many options are available (see the info manual). For a brief
-summary of available options, just type
-
- dvipng --help
-
-Availability
-============
-
-The dvipng package is available at Savannah, the GNU project site. Since
-dvipng is not part of the GNU project, although released under the GNU
-GPL, the web address is `http://savannah.nongnu.org/projects/dvipng'.
-Instructions for anonymous CVS access can be found at
-`http://savannah.nongnu.org/cvs/?group=dvipng'.
-
-Contacts
-========
-
-Bug reports should be sent to <dvipng@nongnu.org>.
-
- Questions, suggestions for new features, pleas for help, and/or
-praise should go to <dvipng@nongnu.org>. For more information on this
-mailing list, send a message with just the word `help' as subject or
-body to <dvipng-request@nongnu.org> or look at
-`http://lists.nongnu.org/mailman/listinfo/dvipng'.
-
- Offers to support further development will be appreciated. For
-developer access, ask on <dvipng@nongnu.org>.
-
-Copying
-=======
-
-This program is released under the GNU Lesser General Public License
-version 3, see the COPYING file in the dvipng distribution or
-`http://www.gnu.org/licenses/'.
-
- Copyright (C) 2002-2009 Jan-AAke Larsson
-
-Todo
-====
-
- * Use gs interpreter library for speed and possibly for
- functionality.
-
- * Add more color models for xcolor compatibility
-
- * Fix T1lib and PK rendering so it is on par with Freetype.
-
- * Enable a named pipe as DVI
-
- * Further speed improvements.
-
- * Other output specials and source specials.
-
- * Clean internal structures. Overhaul file handling.
-
- * Fix the SELFAUTO stuff at runtime rather than at build time
-