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| author | Karl Berry <karl@freefriends.org> | 2013-04-07 18:26:53 +0000 |
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| committer | Karl Berry <karl@freefriends.org> | 2013-04-07 18:26:53 +0000 |
| commit | b04c2e1a42573e9735547702356c7b9a769a6855 (patch) | |
| tree | c0753443f39500a062d7698fe6b94359c813f871 /Master/texmf-dist/doc/dvipng | |
| parent | fb0bf13304a356f197bfc1add17f98c07e96f17b (diff) | |
texmf -> texmf-dist: doc
git-svn-id: svn://tug.org/texlive/trunk@29714 c570f23f-e606-0410-a88d-b1316a301751
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diff --git a/Master/texmf-dist/doc/dvipng/dvipng.html b/Master/texmf-dist/doc/dvipng/dvipng.html new file mode 100644 index 00000000000..bcbc45d8bc7 --- /dev/null +++ b/Master/texmf-dist/doc/dvipng/dvipng.html @@ -0,0 +1,1284 @@ +<html lang="en"> +<head> +<title>A DVI-to-PNG translator</title> +<meta http-equiv="Content-Type" content="text/html"> +<meta name="description" content="A DVI-to-PNG translator"> +<meta name="generator" content="makeinfo 4.13"> +<link title="Top" rel="top" href="#Top"> +<link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> +<meta http-equiv="Content-Style-Type" content="text/css"> +<style type="text/css"><!-- + pre.display { font-family:inherit } + pre.format { font-family:inherit } + pre.smalldisplay { font-family:inherit; font-size:smaller } + pre.smallformat { font-family:inherit; font-size:smaller } + pre.smallexample { font-size:smaller } + pre.smalllisp { font-size:smaller } + span.sc { font-variant:small-caps } + span.roman { font-family:serif; font-weight:normal; } + span.sansserif { font-family:sans-serif; font-weight:normal; } +--></style> +</head> +<body> +<h1 class="settitle">A DVI-to-PNG translator</h1> +<div class="contents"> +<h2>Table of Contents</h2> +<ul> +<li><a name="toc_Top" href="#Top">dvipng</a> +<li><a name="toc_Introduction" href="#Introduction">1 Introduction</a> +<li><a name="toc_Installation" href="#Installation">2 Installation</a> +<ul> +<li><a href="#Prerequisites">2.1 Prerequisites</a> +<li><a href="#Configure">2.2 Configure</a> +<li><a href="#Build_002finstall">2.3 Build/install</a> +<li><a href="#Installation-outside-the-texmf-tree">2.4 Installation outside the texmf tree</a> +<li><a href="#Advice-for-non_002dprivileged-users">2.5 Installation for non-privileged users</a> +</li></ul> +<li><a name="toc_Basic-usage" href="#Basic-usage">3 Basic usage of dvipng</a> +<li><a name="toc_Command_002dline-options" href="#Command_002dline-options">4 Command-line options</a> +<ul> +<li><a href="#Option-summary">4.1 Option summary</a> +<li><a href="#Option-details">4.2 Option details</a> +</li></ul> +<li><a name="toc_Graphics" href="#Graphics">5 Graphics</a> +<ul> +<li><a href="#Encapsulated-PostScript">5.1 Encapsulated PostScript</a> +<li><a href="#Bitmapped-graphics">5.2 Bitmapped graphics</a> +<li><a href="#Raw-PostScript">5.3 Raw PostScript</a> +</li></ul> +<li><a name="toc_Color" href="#Color">6 Color</a> +<ul> +<li><a href="#Color-specifications">6.1 Color specifications</a> +<li><a href="#Color-specials">6.2 Color specials</a> +</li></ul> +<li><a name="toc_Diagnosing-problems" href="#Diagnosing-problems">7 Diagnosing problems</a> +<ul> +<li><a href="#Contact-information">7.1 Contact information</a> +<li><a href="#Debug-options">7.2 Debug options</a> +</li></ul> +<li><a name="toc_Credits" href="#Credits">8 Credits</a> +<li><a name="toc_Copying" href="#Copying">9 Copying</a> +<li><a name="toc_Index" href="#Index">Index</a> +</li></ul> +</div> + + + +<div class="node"> +<a name="Top"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Introduction">Introduction</a>, +Up: <a rel="up" accesskey="u" href="#dir">(dir)</a> + +</div> + +<h2 class="unnumbered">dvipng</h2> + +<p>This manual documents dvipng, a program to translate a DVI (DeVice +Independent) file into PNG (Portable Network Graphics). + + <p>This file documents dvipng version 1.14 + + <p>Corrections or perhaps rewrites of sections are <em>very welcome</em>. + + <p>Jan-Åke Larsson + +<ul class="menu"> +<li><a accesskey="1" href="#Introduction">Introduction</a>: Introduction +<li><a accesskey="2" href="#Installation">Installation</a>: How to compile and install dvipng +<li><a accesskey="3" href="#Basic-usage">Basic usage</a>: First things first +<li><a accesskey="4" href="#Command_002dline-options">Command-line options</a>: Advanced usage +<li><a accesskey="5" href="#Graphics">Graphics</a>: Including PostScript and/or bitmaps +<li><a accesskey="6" href="#Color">Color</a>: Using color with dvipng +<li><a accesskey="7" href="#Diagnosing-problems">Diagnosing problems</a>: Problems? +<li><a accesskey="8" href="#Credits">Credits</a>: People who have contributed +<li><a accesskey="9" href="#Copying">Copying</a>: GNU Lesser General Public License +<li><a href="#Index">Index</a>: General index +</ul> + +<div class="node"> +<a name="Introduction"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Installation">Installation</a>, +Previous: <a rel="previous" accesskey="p" href="#Top">Top</a>, +Up: <a rel="up" accesskey="u" href="#Top">Top</a> + +</div> + +<h2 class="chapter">1 Introduction</h2> + +<!-- man begin DESCRIPTION --> +<!-- readme.texi --> +<!-- Part of the dvipng distribution --> +<!-- --> +<p>This program makes PNG and/or GIF graphics from DVI files as obtained +from TeX and its relatives. + + <p>If GIF support is enabled, GIF output is chosen by using the +‘<samp><span class="samp">dvigif</span></samp>’ binary or with the ‘<samp><span class="samp">--gif</span></samp>’ option. + + <p>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 <a href="http://www.gnu.org/software/auctex/preview-latex.html">http://www.gnu.org/software/auctex/preview-latex.html</a>. + + <p>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 +<a href="http://webwork.math.rochester.edu">http://webwork.math.rochester.edu</a>. + + <p>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 <a href="http://www.mediawiki.org">http://www.mediawiki.org</a>. + + <p>Other applications may also benefit, like web applications as latex2html +and WYSIWYG editors like LyX. + + <p>The benefits of ‘<samp><span class="samp">dvipng</span></samp>’/‘<samp><span class="samp">dvigif</span></samp>’ include + + <ul> +<li>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. + + <li>It does not read the postamble, so it can be started before TeX +finishes. There is a ‘<samp><span class="samp">--follow</span></samp>’ 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. + + <li>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. + + <li>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. + + <li>and more... + + </ul> + +<!-- man end --> +<div class="node"> +<a name="Installation"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Basic-usage">Basic usage</a>, +Previous: <a rel="previous" accesskey="p" href="#Introduction">Introduction</a>, +Up: <a rel="up" accesskey="u" href="#Top">Top</a> + +</div> + +<h2 class="chapter">2 Installation</h2> + +<p><a name="index-configuration_002c-of-dvipng-1"></a><a name="index-compilation-2"></a><a name="index-installation_002c-of-dvipng-3"></a> + +<!-- install.texi --> +<!-- Part of the dvipng distribution --> +<!-- --> + <p>Installing dvipng should be simple: merely <code>./configure</code>, +<code>make</code>, and <code>make install</code>. + +<ul class="menu"> +<li><a accesskey="1" href="#Prerequisites">Prerequisites</a> +<li><a accesskey="2" href="#Configure">Configure</a> +<li><a accesskey="3" href="#Build_002finstall">Build/install</a> +<li><a accesskey="4" href="#Installation-outside-the-texmf-tree">Installation outside the texmf tree</a> +<li><a accesskey="5" href="#Advice-for-non_002dprivileged-users">Advice for non-privileged users</a> +</ul> + +<div class="node"> +<a name="Prerequisites"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Configure">Configure</a>, +Up: <a rel="up" accesskey="u" href="#Installation">Installation</a> + +</div> + +<h3 class="section">2.1 Prerequisites</h3> + + <ul> +<li>The GD Graphics Draw library, libgd + + <p>The drawing library ‘<samp><span class="samp">libgd</span></samp>’ is necessary, and is downloadable at +<a href="http://www.boutell.com/gd">http://www.boutell.com/gd</a>, and there are binary packages for +most operating systems from their respective distributors. In any +case, the latest version of the library installs using ‘<samp><span class="samp">autoconf</span></samp>’ +so it should not be difficult for you to install it from source, and +then proceed with installing dvipng. + + <li>The path-searching library kpathsea + + <p>Kpathsea is most likely included in your LaTeX installation, but it +may happen that ./configure does not find it; see below. If you do not +have it, download it from <a href="http://www.ctan.org">http://www.ctan.org</a> and compile it. +I have no experience with this, so I cannot help much here. + + <li>The font-rendering library FreeType 2 + + <p>While not strictly necessary, a recent FreeType 2 is recommended since +dvipng currently will produce better-quality images when this library is +available. To take advantage of this, you should have at least FreeType +2.1.9. + + <p>FreeType 2 will enable direct support for PostScript and TrueType fonts, +so that dvipng will not need to generate bitmapped variants on disk of +the TeX fonts since modern TeX distributions include PostScript +versions of them. Then, you can render images at different (and unusual) +resolutions without cluttering the disk with lots of bitmapped fonts. + + <p>Finally, it will enable subfont support in dvipng. That is, if you want +to render CJK-LaTeX characters, you must have FreeType 2 installed. + + <li>The font-rendering library T1lib + + <p>An alternative to FreeType 2 is T1lib, but this will enable only +PostScript fonts in dvipng and will not include subfont support. Also +here, you can render images at different (and unusual) resolutions +without cluttering the disk with lots of bitmapped fonts. If both +FreeType 2 and T1lib are present, FreeType will be internally +preferred by dvipng but T1lib can be chosen at runtime. + + <li>libpng and libz + + <p>To be able to compress and write PNG files to disk, dvipng (or really +libgd) uses libpng which in turn uses libz. These should be available on +any modern system, if not, download them and install them. + + <li>The <code>texinfo</code> package + + <p>This is needed for building the documentation. +</ul> + +<div class="node"> +<a name="Configure"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Build_002finstall">Build/install</a>, +Previous: <a rel="previous" accesskey="p" href="#Prerequisites">Prerequisites</a>, +Up: <a rel="up" accesskey="u" href="#Installation">Installation</a> + +</div> + +<h3 class="section">2.2 Configure</h3> + +<p>The first step is to configure the source code, telling it where +various files will be. To do so, run + +<pre class="example"> ./configure <var>options</var> +</pre> + <p>(Note: if you have fetched dvipng from CVS rather than a regular +release, you will have to first generate <samp><span class="file">./configure</span></samp> by running +<code>autoconf</code> 2.53 or later.) + + <p>On many machines, you will not need to specify any options, but if +<code>configure</code> cannot determine something on its own, you'll need to +help it out. For a list of the options type + +<pre class="example"> ./configure --help +</pre> + <p>On some machines, the libraries will be installed in directories that +are not in the linker's search path. This will generate an error when +running <samp><span class="file">./configure</span></samp>, indicating that it cannot find libgd or +libkpathsea (most likely). You then need to specify the path to the +respective library's object files. They are typically called e.g., +<samp><span class="file">libgd.a</span></samp> or <samp><span class="file">libgd.so</span></samp>. If they are located in e.g., +<samp><span class="file">/sw/local/lib</span></samp>, do + +<pre class="example"> ./configure LDFLAGS=-L/sw/local/lib +</pre> + <p>If the library is available as a shared object file (<samp><span class="file">.so</span></samp>), the +runtime linker may also need to be told where to find the library, +then use + +<pre class="example"> ./configure LDFLAGS='-L/sw/local/lib -R/sw/local/lib' +</pre> + <p>When either of these is necessary, it is likely that the C header +files are also installed in directories that are not in the C +preprocessor's search path. This will also generate an error when +running <samp><span class="file">./configure</span></samp>, indicating that it cannot find e.g., +<samp><span class="file">gd.h</span></samp> or <samp><span class="file">kpathsea.h</span></samp> (most likely). You then need to +specify the path to the respective library's C header files. If they +are located in e.g., <samp><span class="file">/sw/local/include</span></samp>, do + +<pre class="example"> ./configure CPPFLAGS=-I/sw/local/include +</pre> + <p>On my SUN Solaris workstation, I had to combine this into + +<pre class="example"> ./configure CPPFLAGS='-I/sw/local/include -I/sw/tex/teTeX/1.0/include'\ + LDFLAGS='-L/sw/local/lib -R/sw/local/lib -L/sw/tex/teTeX/1.0/lib/' +</pre> + <p class="noindent">where the backslash denotes a continuation of the line. + +<div class="node"> +<a name="Build%2finstall"></a> +<a name="Build_002finstall"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Installation-outside-the-texmf-tree">Installation outside the texmf tree</a>, +Previous: <a rel="previous" accesskey="p" href="#Configure">Configure</a>, +Up: <a rel="up" accesskey="u" href="#Installation">Installation</a> + +</div> + +<h3 class="section">2.3 Build/install</h3> + +<p>Once <samp><span class="file">configure</span></samp> has been run, simply enter + +<pre class="example"> make +</pre> + <p class="noindent">at the prompt to compile the C code, and build the documentation files. +To install the files into the locations chosen earlier, type + +<pre class="example"> make install +</pre> + <p class="noindent">You may need special privileges to install, e.g., if you are installing +into system directories. + +<div class="node"> +<a name="Installation-outside-the-texmf-tree"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Advice-for-non_002dprivileged-users">Advice for non-privileged users</a>, +Previous: <a rel="previous" accesskey="p" href="#Build_002finstall">Build/install</a>, +Up: <a rel="up" accesskey="u" href="#Installation">Installation</a> + +</div> + +<h3 class="section">2.4 Installation outside the texmf tree</h3> + +<p>In some cases, a dvipng binary installed outside the texmf tree will +not be able to find virtual fonts, or the PostScript font maps +(normally used by dvips). This may be because <em>only</em> +$SELFAUTOLOC, $SELFAUTODIR, and $SELFAUTOPARENT are used in the texmf +tree configuration file ‘<samp><span class="samp">texmf.cnf</span></samp>’. If so, give the switch +‘<samp><span class="samp">--enable-selfauto-set</span></samp>’ to ‘<samp><span class="samp">./configure</span></samp>’. This will make +dvipng adjust these three internally so that kpathsea thinks that +dvipng <em>is</em> installed in the texmf tree. + +<div class="node"> +<a name="Advice-for-non-privileged-users"></a> +<a name="Advice-for-non_002dprivileged-users"></a> +<p><hr> +Previous: <a rel="previous" accesskey="p" href="#Installation-outside-the-texmf-tree">Installation outside the texmf tree</a>, +Up: <a rel="up" accesskey="u" href="#Installation">Installation</a> + +</div> + +<h3 class="section">2.5 Installation for non-privileged users</h3> + +<p>Often people without system administration privileges want to install +software for their private use. In that case you need to specify more +options to the <samp><span class="file">configure</span></samp> script, usually this is done by using +the ‘<samp><span class="samp">--prefix</span></samp>’ option to the <samp><span class="file">configure</span></samp> script, and let it +point to the personal home directory. In that way, resulting binaries +will be installed under the <samp><span class="file">bin</span></samp> subdirectory of your home +directory, manual pages under <samp><span class="file">man</span></samp> and so on. That way, it is +reasonably easy to maintain a bunch of additional packages, since the +prefix argument is supported by most <samp><span class="file">configure</span></samp> scripts. + + <p>You'll have to add something like <samp><span class="file">/home/myself/bin</span></samp> to your +<code>PATH</code> shell variable, if it isn't there already, and similarly +set the <code>INFOPATH</code> and <code>MANPATH</code> variables to be able to +access the documentation. + +<div class="node"> +<a name="Basic-usage"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Command_002dline-options">Command-line options</a>, +Previous: <a rel="previous" accesskey="p" href="#Installation">Installation</a>, +Up: <a rel="up" accesskey="u" href="#Top">Top</a> + +</div> + +<h2 class="chapter">3 Basic usage of dvipng</h2> + +<p><a name="index-invoking-dvipng-4"></a> +To use dvipng at its simplest, simply type + +<pre class="example"> dvipng foo +</pre> + <p class="noindent">where <samp><span class="file">foo.dvi</span></samp> is the output of TeX that you want to convert to +PNG format. If there are four pages in <samp><span class="file">foo.dvi</span></samp>, those pages will +be output as <samp><span class="file">foo1.png</span></samp>, <samp><span class="file">foo2.png</span></samp>, <samp><span class="file">foo3.png</span></samp>, and +<samp><span class="file">foo4.png</span></samp>, respectively. + + <p>If you have enabled the PostScript font support (via FreeType or T1lib), +fonts will be rendered as they are needed. Otherwise, dvipng will use +bitmapped (PK) fonts, and if you use PK fonts that have not been used on +your system before, they may be automatically generated; this process +can take a few minutes, so progress reports appear by default. The next +time the same font is used, it will have been saved on disk, so +rendering will go much faster. (If dvipng tries to endlessly generate +the same fonts over and over again, something is wrong. See <a href="kpathsea.html#Unable-to-generate-fonts">Unable to generate fonts</a>.) + + <p>Many options are available (see the next section). For a brief summary +of available options, just type + +<pre class="example"> dvipng --help +</pre> + <div class="node"> +<a name="Command-line-options"></a> +<a name="Command_002dline-options"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Graphics">Graphics</a>, +Previous: <a rel="previous" accesskey="p" href="#Basic-usage">Basic usage</a>, +Up: <a rel="up" accesskey="u" href="#Top">Top</a> + +</div> + +<h2 class="chapter">4 Command-line options</h2> + +<p><a name="index-command_002dline-options-5"></a><a name="index-options_002c-dvipng-6"></a> +dvipng has a plethora of command line options. Reading through this +section will give a good idea of the capabilities of the driver. + +<ul class="menu"> +<li><a accesskey="1" href="#Option-summary">Option summary</a>: Quick listing, from dvipng --help. +<li><a accesskey="2" href="#Option-details">Option details</a>: More information about each option. +</ul> + +<div class="node"> +<a name="Option-summary"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Option-details">Option details</a>, +Up: <a rel="up" accesskey="u" href="#Command_002dline-options">Command-line options</a> + +</div> + +<h3 class="section">4.1 Option summary</h3> + +<p><a name="index-options_002c-summary-7"></a>Here is a handy summary of the options; it is printed out when you run +dvipng with no arguments or with the standard ‘<samp><span class="samp">--help</span></samp>’ option. + +<pre class="example"> This is ./dvipng 1.14 Copyright 2002-2010 Jan-Ake Larsson + + Usage: ./dvipng [OPTION]... FILENAME[.dvi] + Options are chosen to be similar to dvips' options where possible: + -d # Debug (# is the debug bitmap, 1 if not given) + -D # Output resolution + -l # Last page to be output + -o f Output file, '%d' is pagenumber + -O c Image offset + -p # First page to be output + -pp #,#.. Page list to be output + -q* Quiet operation + -T c Image size (also accepts '-T bbox' and '-T tight') + -v* Verbose operation + - Interactive query of options + + These do not correspond to dvips options: + -bd # Transparent border width in dots + -bd s Transparent border fallback color (TeX-style color) + -bg s Background color (TeX-style color or 'Transparent') + --depth* Output the image depth on stdout + --dvinum* Use TeX page numbers in output filenames + -fg s Foreground color (TeX-style color) + --follow* Wait for data at end-of-file + --freetype* FreeType font rendering (preferred, default on) + --gamma # Control color interpolation + --gif Output GIF images (dvigif default) + --height* Output the image height on stdout + --nogs* Don't use ghostscript for PostScript specials + --nogssafer* Don't use -dSAFER in ghostscript calls + --norawps* Don't convert raw PostScript specials + --palette* Force palette output + --picky When a warning occurs, don't output image + --png Output PNG images (dvipng default) + --strict When a warning occurs, exit + --t1lib* T1lib font rendering (default on) + --truecolor* Truecolor output + -Q # Quality (T1lib and PK subsampling) + --width* Output the image width on stdout + -z # PNG compression level + + # = number f = file s = string * = suffix, '0' to turn off + c = comma-separated dimension pair (e.g., 3.2in,-32.1cm) + +</pre> + <div class="node"> +<a name="Option-details"></a> +<p><hr> +Previous: <a rel="previous" accesskey="p" href="#Option-summary">Option summary</a>, +Up: <a rel="up" accesskey="u" href="#Command_002dline-options">Command-line options</a> + +</div> + +<h3 class="section">4.2 Option details</h3> + +<p><a name="index-option_002c-details-of-8"></a><!-- man begin OPTIONS --> + + <p>Many of the parameterless options listed here can be turned off by +suffixing the option with a zero (‘<samp><span class="samp">0</span></samp>’); for instance, to turn off +page reversal, use ‘<samp><span class="samp">-r0</span></samp>’. Such options are marked with a trailing +‘<samp><span class="samp">*</span></samp>’. + + <dl> +<dt>‘<samp><span class="samp">-</span></samp>’<dd><a name="index-options_002c-reading-from-standard-input-9"></a><a name="index-standard-input_002c-reading-options-from-10"></a>Read additional options from standard input after processing the command +line. + + <br><dt>‘<samp><span class="samp">--help</span></samp>’<dd>Print a usage message and exit. + + <br><dt>‘<samp><span class="samp">--version</span></samp>’<dd>Print the version number and exit. + + <br><dt>‘<samp><span class="samp">-bd </span><var>num</var></samp>’<br><dt>‘<samp><span class="samp">-bd </span><var>color_spec</var></samp>’<br><dt>‘<samp><span class="samp">-bd '</span><var>num</var> <var>color_spec</var><span class="samp">'</span></samp>’<dd><a name="index-transparent-border-width-11"></a><a name="index-transparent-border-fallback-color-12"></a>Set the pixel width of the transparent border (default 0). Using this +option will make the image edges transparent, but it only affects pixels +with the background color. Giving a <var>color_spec</var> will set the +fallback color, to be used in viewers that cannot handle transparency +(the default is the background color). The color spec should be in +TeX color \special syntax, e.g., 'rgb 1.0 0.0 0.0'. Setting the +fallback color makes the default border width 1 px. See <a href="#Color">Color</a>. + + <br><dt>‘<samp><span class="samp">--bdpi </span><var>num</var></samp>’<dd><a name="index-base-resolution_002c-setting-13"></a>This option only has an effect when using bitmapped (PK) fonts. The +option sets the base (Metafont) resolution, both horizontal and +vertical, to <var>num</var> dpi (dots per inch). This option is necessary +when manually selecting Metafont mode with the –mode option (see +below). + + <br><dt>‘<samp><span class="samp">-bg </span><var>color_spec</var></samp>’<dd><a name="index-background-color-_0028option_0029-14"></a>Choose background color for the images. This option will be ignored if +there is a background color \special in the DVI. The color spec should +be in TeX color \special syntax, e.g., 'rgb 1.0 0.0 0.0'. You can +also specify 'Transparent' or 'transparent' which will give you a +transparent background with the normal background as a fallback color. A +capitalized 'Transparent' will give a full-alpha transparency, while an +all-lowercase 'transparent' will give a simple fully transparent +background with non-transparent antialiased pixels. The latter would be +suitable for viewers who cannot cope with a true alpha channel. GIF +images do not support full alpha transparency, so in case of GIF output, +both variants will use the latter behaviour. See <a href="#Color">Color</a>. + + <br><dt>‘<samp><span class="samp">-d </span><var>num</var></samp>’<dd><a name="index-debugging-15"></a>Set the debug flags, showing what dvipng (thinks it) is doing. This will +work unless dvipng has been compiled without the <code>DEBUG</code> option +(not recommended). Set the flags as you need them, use ‘<samp><span class="samp">-d -1</span></samp>’ as +the first option for maximum output. See <a href="#Debug-options">Debug options</a>. + + <br><dt>‘<samp><span class="samp">-D </span><var>num</var></samp>’<dd><a name="index-output-resolution_002c-setting-16"></a>Set the output resolution, both horizontal and vertical, to <var>num</var> +dpi (dots per inch). + + <p>One may want to adjust this to fit a certain text font size (e.g., on +a web page), and for a text font height of <var>font_px</var> pixels (in +Mozilla) the correct formula is + <pre class="example"> <var>dpi</var> = <var>font_px</var> * 72.27 / 10 [px * TeXpt/in / TeXpt] +</pre> + <p>The last division by ten is due to the standard font height 10pt in +your document, if you use 12pt, divide by 12. Unfortunately, some +proprietary browsers have font height in pt (points), not pixels. You +have to rescale that to pixels, using the screen resolution (default +is usually 96 dpi) which means the formula is + <pre class="example"> <var>font_px</var> = <var>font_pt</var> * 96 / 72 [pt * px/in / (pt/in)] +</pre> + <p>On some high-res screens, the value is instead 120 dpi. Good luck! + + <br><dt>‘<samp><span class="samp">--depth*</span></samp>’<dd><a name="index-baseline-reporting-17"></a><a name="index-depth-reporting-18"></a>Report the depth of the image. This only works reliably when the +LaTeX style <samp><span class="file">preview.sty</span></samp> from preview-latex is used with +the ‘<samp><span class="samp">active</span></samp>’ option. It reports the number of pixels from the +bottom of the image to the baseline of the image. This can be used for +vertical positioning of the image in, e.g., web documents, where one +would use (Cascading StyleSheets 1) + <pre class="example"> <IMG SRC="<var>filename.png</var>" STYLE="vertical-align: -<var>depth</var>px"> +</pre> + <p>The depth is a negative offset in this case, so the minus sign is +necessary, and the unit is pixels (px). + + <br><dt>‘<samp><span class="samp">--dvinum*</span></samp>’<dd>Set this option to make the output page number be the TeX page +numbers rather than the physical page number. See the ‘<samp><span class="samp">-o</span></samp>’ switch. + + <br><dt>‘<samp><span class="samp">-fg </span><var>color_spec</var></samp>’<dd><a name="index-foreground-color-_0028option_0029-19"></a>Choose foreground color for the images. This option will be ignored if +there is a foreground color \special in the DVI. The color spec should +be in TeX color \special syntax, e.g., 'rgb 1.0 0.0 0.0'. +See <a href="#Color">Color</a>. + + <br><dt>‘<samp><span class="samp">--follow*</span></samp>’<dd><a name="index-follow-mode-20"></a>Wait for data at end-of-file. One of the benefits of dvipng is that it +does not read the postamble, so it can be started before TeX +finishes. This switch makes dvipng wait at end-of-file for further +output, unless it finds the POST marker that indicates the end of the +DVI. This is similar to ‘<samp><span class="samp">tail -f</span></samp>’ but for DVI-to-PNG conversion. + + <br><dt>‘<samp><span class="samp">--freetype*</span></samp>’<dd><a name="index-FreeType-font-rendering-21"></a>Enable/disable FreeType font rendering (default on). This option is +available if the FreeType2 font library was present at compilation time. +If this is the case, dvipng will have direct support for PostScript +Type1 and TrueType fonts internally, rather than using ‘<samp><span class="samp">gsftopk</span></samp>’ +for rendering the fonts. If you have PostScript versions of Computer +Modern installed, there will be no need to generate bitmapped (PK) +variants on disk of these. Then, you can render images at different (and +unusual) resolutions without cluttering the disk with lots of bitmapped +fonts. Note that if you have both FreeType and T1lib on your system, +FreeType will be preferred by dvipng. If you for some reason would want +to use T1lib rendering, use this option. + + <br><dt>‘<samp><span class="samp">--gamma </span><var>num</var></samp>’<dd><a name="index-gamma-22"></a><a name="index-dark-fonts-23"></a><a name="index-light-fonts-24"></a><a name="index-fuzzy-images-25"></a>Control the interpolation of colors in the greyscale anti-aliasing +color palette. Default value is 1.0. For 0 < <var>num</var> < 1, the +fonts will be lighter (more like the background), and for <var>num</var> > +1, the fonts will be darker (more like the foreground). + + <br><dt>‘<samp><span class="samp">--gif*</span></samp>’<dd><a name="index-GIF-image-format-26"></a>The images are output in the GIF format, if GIF support is enabled. +This is the default for the ‘<samp><span class="samp">dvigif</span></samp>’ binary, which only will be +available when GIF support is enabled. GIF images are palette images +(see the ‘<samp><span class="samp">--palette</span></samp>’ option) and does not support true alpha +channels (see the ‘<samp><span class="samp">--bg</span></samp>’ option). See also the ‘<samp><span class="samp">--png</span></samp>’ +option. + + <br><dt>‘<samp><span class="samp">--height*</span></samp>’<dd><a name="index-baseline-reporting-27"></a><a name="index-height-reporting-28"></a>Report the height of the image. This only works reliably when the +LaTeX style <samp><span class="file">preview.sty</span></samp> from preview-latex is used with +the ‘<samp><span class="samp">active</span></samp>’ option. It reports the number of pixels from the top +of the image to the baseline of the image. The total height of the +image is obtained as the sum of the values reported from +‘<samp><span class="samp">--height</span></samp>’ and ‘<samp><span class="samp">--depth</span></samp>’. + + <br><dt>‘<samp><span class="samp">-l [=]</span><var>num</var></samp>’<dd><a name="index-last-page-printed-29"></a><a name="index-page_002c-last-printed-30"></a><a name="index-physical-page-number_002c-and-_0040samp_007b_002dl_007d-31"></a><a name="index-absolute-page-number_002c-and-_0040samp_007b_002dl_007d-32"></a>The last page printed will be the first one numbered <var>num</var>. Default +is the last page in the document. If <var>num</var> is prefixed by an equals +sign, then it (and the argument to the ‘<samp><span class="samp">-p</span></samp>’ option, if specified) +is treated as a physical (absolute) page number, rather than a value to +compare with the TeX ‘<samp><span class="samp">\count0</span></samp>’ values stored in the DVI file. +Thus, using ‘<samp><span class="samp">-l =9</span></samp>’ will end with the ninth page of the document, +no matter what the pages are actually numbered. + + <br><dt>‘<samp><span class="samp">--mode </span><var>mode</var></samp>’<dd><a name="index-mode-name_002c-specifying-33"></a><a name="index-Metafont-mode_002c-specifying-34"></a>This option only has an effect when using bitmapped (PK) fonts. Use +<var>mode</var> as the Metafont device name for the PK fonts (both for path +searching and font generation). This needs to be augmented with the base +device resolution, given with the ‘<samp><span class="samp">--bdpi</span></samp>’ option. See the file +<a href="ftp://ftp.tug.org/tex/modes.mf">ftp://ftp.tug.org/tex/modes.mf</a> for a list of resolutions and mode +names for most devices. See <a href="kpathsea.html#Unable-to-generate-fonts">Unable to generate fonts</a>. + + <br><dt>‘<samp><span class="samp">-M*</span></samp>’<dd><a name="index-font-generation_002c-avoiding-35"></a><a name="index-mktexpk_0040r_007b_002c-avoiding_007d-36"></a><!-- this description repeated in kpathsea.texi --> +This option only has an effect when using bitmapped (PK) fonts. It turns +off automatic PK font generation (<samp><span class="file">mktexpk</span></samp>). + + <br><dt>‘<samp><span class="samp">--nogs*</span></samp>’<dd><a name="index-GhostScript_002c-turning-off-37"></a>This switch prohibits the internal call to GhostScript for displaying +PostScript specials. ‘<samp><span class="samp">--nogs0</span></samp>’ turns the call back on. + + <br><dt>‘<samp><span class="samp">--nogssafer*</span></samp>’<dd><a name="index-GhostScript-and-_002ddSAFER-38"></a><a name="index-g_t_002ddSAFER-39"></a>Normally, if GhostScript is used to render PostScript specials, the +GhostScript interpreter is run with the option ‘<samp><span class="samp">-dSAFER</span></samp>’. The +‘<samp><span class="samp">--nogssafer</span></samp>’ option runs GhostScript without ‘<samp><span class="samp">-dSAFER</span></samp>’. The +‘<samp><span class="samp">-dSAFER</span></samp>’ option in Ghostscript disables PostScript operators such +as deletefile, to prevent possibly malicious PostScript programs from +having any effect. + + <br><dt>‘<samp><span class="samp">--norawps*</span></samp>’<dd><a name="index-PostScript_002c-turning-off-raw-PostScript-specials-40"></a>Some packages generate raw PostScript specials, even non-rendering such +specials. This switch turns off the internal call to GhostScript +intended to display these raw PostScript specials. ‘<samp><span class="samp">--norawps0</span></samp>’ +turns the call back on. + + <br><dt>‘<samp><span class="samp">-o </span><var>name</var></samp>’<dd><a name="index-output_002c-redirecting-41"></a><a name="index-standard-output_002c-output-to-42"></a>Send output to the file <var>name</var>. A single occurrence of ‘<samp><span class="samp">%d</span></samp>’ or +‘<samp><span class="samp">%01d</span></samp>’, <small class="dots">...</small>, ‘<samp><span class="samp">%09d</span></samp>’ will be exchanged for the physical +page number (this can be changed, see the ‘<samp><span class="samp">--dvinum</span></samp>’ switch). The +default output filename is ‘<samp><var>file</var><span class="samp">%d.png</span></samp>’ where the input DVI +file was ‘<samp><var>file</var><span class="samp">.dvi</span></samp>’. + + <br><dt>‘<samp><span class="samp">-O </span><var>x-offset</var><span class="samp">,</span><var>y-offset</var></samp>’<dd><a name="index-offset-pages-43"></a>Move the origin by <var>x-offset</var>,<var>y-offset</var>, a comma-separated +pair of dimensions such as ‘<samp><span class="samp">.1in,-.3cm</span></samp>’. +<!-- (@pxref{papersize special}). --> +The origin of the page is shifted from the default position +(of one inch down, one inch to the right from the upper left corner of +the paper) by this amount. + + <br><dt>‘<samp><span class="samp">-p [=]</span><var>num</var></samp>’<dd><a name="index-first-page-printed-44"></a><a name="index-page_002c-first-printed-45"></a><a name="index-physical-page-number_002c-and-_0040samp_007b_002dp_007d-46"></a><a name="index-absolute-page-number_002c-and-_0040samp_007b_002dp_007d-47"></a>The first page printed will be the first one numbered <var>num</var>. Default +is the first page in the document. If <var>num</var> is prefixed by an +equals sign, then it (and the argument to the ‘<samp><span class="samp">-l</span></samp>’ option, if +specified) is treated as a physical (absolute) page number, rather than +a value to compare with the TeX ‘<samp><span class="samp">\count0</span></samp>’ values stored in the +DVI file. Thus, using ‘<samp><span class="samp">-p =3</span></samp>’ will start with the third page of +the document, no matter what the pages are actually numbered. + + <br><dt>‘<samp><span class="samp">--palette*</span></samp>’<dd><a name="index-forcing-palette-output-48"></a>When an external image is included, ‘<samp><span class="samp">dvipng</span></samp>’ will automatically +switch to truecolor mode, to avoid unnecessary delay and quality +reduction, and enable the EPS translator to draw on a transparent +background and outside of the boundingbox. This switch will force +palette (256-color) output and make ‘<samp><span class="samp">dvipng</span></samp>’ revert to opaque +clipped image inclusion. This will also override the ‘<samp><span class="samp">--truecolor</span></samp>’ +switch if present. + + <br><dt>‘<samp><span class="samp">--picky*</span></samp>’<dd><a name="index-no-erroneous-images-49"></a>No images are output when a warning occurs. Normally, dvipng will +output an image in spite of a warning, but there may be something +missing in this image. One reason to use this option would be if you +have a more complete but slower fallback converter. Mainly, this is +useful for failed figure inclusion and unknown \special occurrences, +but warnings will also occur for missing or unknown color specs and +missing PK fonts. + + <br><dt>‘<samp><span class="samp">--png*</span></samp>’<dd><a name="index-PNG-image-format-50"></a>The images are output in the PNG format. This is the default for the +‘<samp><span class="samp">dvipng</span></samp>’ binary. See also the ‘<samp><span class="samp">--gif</span></samp>’ option. + + <br><dt>‘<samp><span class="samp">-pp </span><var>firstpage</var><span class="samp">-</span><var>lastpage</var></samp>’<dd><a name="index-page-range-51"></a>Print pages <var>firstpage</var> through <var>lastpage</var>; but not quite +equivalent to ‘<samp><span class="samp">-p </span><var>firstpage</var><span class="samp"> -l </span><var>lastpage</var></samp>’. For example, +when rendering a book, there may be several instances of a page in the +DVI file (one in <code>\frontmatter</code>, one in <code>\mainmatter</code>, and one +in <code>\backmatter</code>). In case of several pages matching, ‘<samp><span class="samp">-pp +</span><var>firstpage</var><span class="samp">-</span><var>lastpage</var></samp>’ will render <em>all</em> pages that +matches the specified range, while ‘<samp><span class="samp">-p </span><var>firstpage</var><span class="samp"> -l +</span><var>lastpage</var></samp>’ will render the pages from the <em>first</em> occurrence +of <var>firstpage</var> to the <em>first</em> occurrence of <var>lastpage</var>. +This is the (undocumented) behaviour of dvips. In dvipng you can give +both kinds of options, in which case you get all pages that matches the +range in ‘<samp><span class="samp">-pp</span></samp>’ between the pages from ‘<samp><span class="samp">-p</span></samp>’ to ‘<samp><span class="samp">-l</span></samp>’. Also +multiple ‘<samp><span class="samp">-pp</span></samp>’ options accumulate, unlike ‘<samp><span class="samp">-p</span></samp>’ and ‘<samp><span class="samp">-l</span></samp>’. +The ‘<samp><span class="samp">-</span></samp>’ separator can also be ‘<samp><span class="samp">:</span></samp>’. Note that ‘<samp><span class="samp">-pp -1</span></samp>’ +will be interpreted as "all pages up to and including 1", if you want a +page numbered -1 (only the table of contents, say) put ‘<samp><span class="samp">-pp -1--1</span></samp>’, +or more readable, ‘<samp><span class="samp">-pp -1:-1</span></samp>’. + + <br><dt>‘<samp><span class="samp">-q*</span></samp>’<dd><a name="index-quiet-operation-52"></a><a name="index-silent-operation-53"></a><a name="index-warnings_002c-suppressing-54"></a>Run quietly. Don't chatter about pages converted, etc. to standard +output; report no warnings (only errors) to standard error. + + <br><dt>‘<samp><span class="samp">-Q </span><var>num</var></samp>’<dd><a name="index-antialiasing-levels_0040r_007b_002c-number-of_007d-55"></a><a name="index-quality-56"></a>Set the quality to <var>num</var>. That is, choose the number of antialiasing +levels for bitmapped fonts (PK) and fonts rendered using T1lib, to be +<var>num</var>*<var>num</var>+1. The default value is 4 which gives 17 levels of +antialiasing for antialiased fonts from these two. If FreeType is +available, its rendering is unaffected by this option. + + <br><dt>‘<samp><span class="samp">-r*</span></samp>’<dd><a name="index-reverse-pagination-57"></a>Toggle output of pages in reverse/forward order. By default, the first +page in the DVI is output first. + + <br><dt>‘<samp><span class="samp">--strict*</span></samp>’<dd><a name="index-exit-on-erroneous-images-58"></a>The program exits when a warning occurs. Normally, dvipng will output +an image in spite of a warning, but there may be something missing in +this image. One reason to use this option would be if you have a more +complete but slower fallback converter. See the ‘<samp><span class="samp">--picky</span></samp>’ option +above for a list of when warnings occur. + + <br><dt>‘<samp><span class="samp">-T </span><var>image_size</var></samp>’<dd>Set the image size to <var>image_size</var> which can be either of +‘<samp><span class="samp">bbox</span></samp>’, ‘<samp><span class="samp">tight</span></samp>’, or a comma-separated pair of dimensions +<var>hsize</var>,<var>vsize</var> such as ‘<samp><span class="samp">.1in,.3cm</span></samp>’. The default is +‘<samp><span class="samp">bbox</span></samp>’ which produces a PNG that includes all ink put on the page +and in addition the DVI origin, located 1in from the top and 1in from +the left edge of the paper. This usually gives whitespace above and to +the left in the produced image. The value ‘<samp><span class="samp">tight</span></samp>’ will make dvipng +only include all ink put on the page, producing neat images. +<!-- (@pxref{papersize special}). --> +<!-- This option overrides any papersize special in the DVI file. --> + + <br><dt>‘<samp><span class="samp">--t1lib*</span></samp>’<dd><a name="index-T1lib-font-rendering-59"></a>Enable T1lib font rendering (default on). This option is available if +the T1lib font library was present at compilation time. If this is the +case, dvipng will have direct support for PostScript Type1 fonts +internally, rather than using ‘<samp><span class="samp">gsftopk</span></samp>’ for rendering the fonts. If +you have PostScript versions of Computer Modern installed, there will be +no need to generate bitmapped variants on disk of these. Then, you can +render images at different (and unusual) resolutions without cluttering +the disk with lots of bitmapped fonts. Note that if you have both +FreeType and T1lib on your system, FreeType will be preferred by dvipng, +and if you for some reason rather want to use T1lib, give the option +‘<samp><span class="samp">--freetype0</span></samp>’ (see above). + + <br><dt>‘<samp><span class="samp">--truecolor*</span></samp>’<dd><a name="index-truecolor-output-60"></a>This will make ‘<samp><span class="samp">dvipng</span></samp>’ generate truecolor output. Note that +truecolor output is automatic if you include an external image in your +DVI, e.g., via a PostScript special (i.e., the ‘<samp><span class="samp">graphics</span></samp>’ or +‘<samp><span class="samp">graphicx</span></samp>’ package). This switch is overridden by the +‘<samp><span class="samp">--palette</span></samp>’ switch. + + <br><dt>‘<samp><span class="samp">-v*</span></samp>’<dd>Enable verbose operation. This will currently indicate what fonts is +used, in addition to the usual output. + + <br><dt>‘<samp><span class="samp">--width*</span></samp>’<dd><a name="index-width-reporting-61"></a>Report the width of the image. See also ‘<samp><span class="samp">--height</span></samp>’ and +‘<samp><span class="samp">--depth</span></samp>’. + + <br><dt>‘<samp><span class="samp">-x </span><var>num</var></samp>’<dd><a name="index-magnification_002c-overriding-DVI-62"></a>This option is deprecated; it should not be used. It is much better to +select the output resolution directly with the ‘<samp><span class="samp">-D</span></samp>’ option. This +option sets the magnification ratio to <var>num</var>/1000 and +overrides the magnification specified in the DVI file. Must be between +10 and 100000. It is recommended that you use standard magstep values +(1095, 1200, 1440, 1728, 2074, 2488, 2986, and so on) to help reduce the +total number of PK files generated. <var>num</var> may be a real number, not +an integer, for increased precision. + + <br><dt>‘<samp><span class="samp">-z </span><var>num</var></samp>’<dd><a name="index-compression-63"></a>Set the PNG compression level to <var>num</var>. This option is enabled if +your ‘<samp><span class="samp">libgd</span></samp>’ is new enough. The default compression level is 1, +which selects maximum speed at the price of slightly larger PNGs. For an +older ‘<samp><span class="samp">libgd</span></samp>’, the hard-soldered value 5 is used. The include file +‘<samp><span class="samp">png.h</span></samp>’ says +<blockquote> +Currently, valid values range from 0 - 9, corresponding directly to the +zlib compression levels 0 - 9 (0 - no compression, 9 - "maximal" +compression). Note that tests have shown that zlib compression levels +3-6 usually perform as well as level 9 for PNG images, and do +considerably fewer calculations. In the future, these values may not +correspond directly to the zlib compression levels. +</blockquote> + </dl> + <!-- man end --> + +<div class="node"> +<a name="Graphics"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Color">Color</a>, +Previous: <a rel="previous" accesskey="p" href="#Command_002dline-options">Command-line options</a>, +Up: <a rel="up" accesskey="u" href="#Top">Top</a> + +</div> + +<h2 class="chapter">5 Graphics</h2> + +<p>‘<samp><span class="samp">dvipng</span></samp>’ attempts to handle graphics as included by the +‘<samp><span class="samp">graphicx</span></samp>’ and ‘<samp><span class="samp">graphics</span></samp>’ packages, without the need of +specifying a driver to these packages. This means that it recognizes +the encapsulated postscript inclusion meant for ‘<samp><span class="samp">dvips</span></samp>’, but is +also able (from version 1.8) to include bitmapped graphics. It also +tries to handle some of the raw PostScript that is output from various +packages. Some of the possibilities and problems are mentioned below. + +<ul class="menu"> +<li><a accesskey="1" href="#Encapsulated-PostScript">Encapsulated PostScript</a>: An internal call to GhostScript +<li><a accesskey="2" href="#Bitmapped-graphics">Bitmapped graphics</a>: PNG, JPEG and GIF +<li><a accesskey="3" href="#Raw-PostScript">Raw PostScript</a>: Ignore or give to GhostScript +</ul> + +<div class="node"> +<a name="Encapsulated-PostScript"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Bitmapped-graphics">Bitmapped graphics</a>, +Up: <a rel="up" accesskey="u" href="#Graphics">Graphics</a> + +</div> + +<h3 class="section">5.1 Encapsulated PostScript</h3> + +<p>When an EPS file is included, a call to GhostScript is performed to +produce a bitmapped image that can be included. The default is to +produce an image with transparent background, at the same size as the +DVI page currently being converted to PNG, and include that as +foreground on the PNG. Of course, if the image is to be cropped, that +is done. The included image will be a truecolor image, so for maximum +performance the output PNG will be in truecolor mode as well. + + <p>This conversion needs the ‘<samp><span class="samp">pngalpha</span></samp>’ output device to be present +in your copy of GhostScript. If that device is not present, or you use +the ‘<samp><span class="samp">--palette</span></samp>’ switch or request GIF output, the fallback is to +use the ‘<samp><span class="samp">png16m</span></samp>’ device to produce a cropped opaque image for +inclusion. Other relevant switches are ‘<samp><span class="samp">--noghostscript</span></samp>’ and +‘<samp><span class="samp">--nogssafer</span></samp>’. See <a href="#Option-details">Option details</a>. + + <p><a name="index-PostScript-inclusion-problems-64"></a>The most common problem with including graphics is an incorrect +bounding box. Complain to whoever wrote the software that generated +the file if the bounding box is indeed incorrect. An adjusted +boundingbox can be specified in the ‘<samp><span class="samp">\includegraphics</span></samp>’ call, as +in this example (using ‘<samp><span class="samp">graphicx</span></samp>’): + +<pre class="example"> \includegraphics[bb=10 20 100 200]{imagename.eps} +</pre> + <div class="node"> +<a name="Bitmapped-graphics"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Raw-PostScript">Raw PostScript</a>, +Previous: <a rel="previous" accesskey="p" href="#Encapsulated-PostScript">Encapsulated PostScript</a>, +Up: <a rel="up" accesskey="u" href="#Graphics">Graphics</a> + +</div> + +<h3 class="section">5.2 Bitmapped graphics</h3> + +<p>dvipng can include PNG, JPEG and GIF graphics. When including such +images via ‘<samp><span class="samp">\includegraphics</span></samp>’ you need to specify the bounding +box since TeX itself cannot read them from the files in question. +The bounding box size should be given as ‘<samp><span class="samp">0 0 w h</span></samp>’ in pixels, +e.g., if the file ‘<samp><span class="samp">imagename.png</span></samp>’ is 300x400 pixels, the +inclusion would read + +<pre class="example"> \includegraphics[bb=0 0 300 400]{imagename.png} +</pre> + <p>The default size is the image size in bp (“big points” in TeX +nomenclature or PostScript points as other people have it, 72 per inch). +That is, default resolution will be 72 dpi for included bitmaps, which +is the default size in the few other bitmap-capable drivers that are +known to me (dvipdfm and PDFLaTeX). + + <p>If you want 100 dpi you need to specify the width accordingly. You +just divide your image width by 100: a 135 pixel wide image at 100 dpi +will take up 1.35 inches. If you want 200 dpi you divide by 200, and +so on. Simple, eh? The example above at 200 dpi would be 1.5 inches +wide: + +<pre class="example"> \includegraphics[bb=0 0 300 400,witdh=1.5in]{imagename.png} +</pre> + <div class="node"> +<a name="Raw-PostScript"></a> +<p><hr> +Previous: <a rel="previous" accesskey="p" href="#Bitmapped-graphics">Bitmapped graphics</a>, +Up: <a rel="up" accesskey="u" href="#Graphics">Graphics</a> + +</div> + +<h3 class="section">5.3 Raw PostScript</h3> + +<p>dvipng attempts to handle raw PostScript. Rendering raw PostScript +specials is done on top of the page by including a transparent image +generated by the ‘<samp><span class="samp">pngalpha</span></samp>’ device in GhostScript (automatically +selecting ‘<samp><span class="samp">truecolor</span></samp>’ mode in dvipng). + + <p>Included PostScript headers are respected, and if the header +‘<samp><span class="samp">tex.pro</span></samp>’ is included, dvipng also throws in ‘<samp><span class="samp">color.pro</span></samp>’ and +‘<samp><span class="samp">special.pro</span></samp>’. The package ‘<samp><span class="samp">xcolor</span></samp>’ includes its own headers +with color names, and this is not only kept as a PostScript header, but +is also read and interpreted by dvipng itself. An attempt is also made +to respect the PGF header. The non-rendering specials from +‘<samp><span class="samp">hyperref</span></samp>’ are handled via some heuristics and do not give an +error. + + <p>Really rendering and moving things with raw PostScript specials is more +troublesome. The \rotatebox macro serves as a good example. The dvips +driver of the graphicx package surrounds DVI glyphs with PostScript code +so that after conversion by dvips, the glyphs (now themselves in +PostScript) will be rotated in the desired way. dvipng does not handle +this, at present. An attempt has been made to handle the rendering +specials output by PGF (tikz), and also PSTricks. Some things work, but +others do not. This is especially clear when mixing PostScript and DVI +rendering commands such as glyphs. dvipng cannot at present detect if +PostScript code moves ‘<samp><span class="samp">currentpoint</span></samp>’ or rotates the frame since +GhostScript does not return such information. A recommendation would be +to produce images from these packages as EPS files and include them into +your document in the standard manner. + + <p>Another way to handle this would be to use a slower fallback (with dvips +and gs, for example). If you want to disable raw PostScript handling in +dvipng, use the switch ‘<samp><span class="samp">--norawps</span></samp>’. This switch turns off the +internal call to GhostScript intended to display these raw PostScript +specials. Further, when dvipng encounters raw PostScript and the gs call +is turned off, it gives a warning. It is now possible to use the switch +‘<samp><span class="samp">--picky</span></samp>’ to disable page rendering of pages with warnings, and use +the slower fallback for these pages. + +<div class="node"> +<a name="Color"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Diagnosing-problems">Diagnosing problems</a>, +Previous: <a rel="previous" accesskey="p" href="#Graphics">Graphics</a>, +Up: <a rel="up" accesskey="u" href="#Top">Top</a> + +</div> + +<h2 class="chapter">6 Color</h2> + +<p>To support color, dvipng recognizes a certain set of specials as +generated by the ‘<samp><span class="samp">color</span></samp>’ and ‘<samp><span class="samp">xcolor</span></samp>’ style files. These +specials start with the keyword ‘<samp><span class="samp">color</span></samp>’ or the keyword +‘<samp><span class="samp">background</span></samp>’, followed by a color specification. + +<ul class="menu"> +<li><a accesskey="1" href="#Color-specifications">Color specifications</a> +<li><a accesskey="2" href="#Color-specials">Color specials</a> +</ul> + +<div class="node"> +<a name="Color-specifications"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Color-specials">Color specials</a>, +Up: <a rel="up" accesskey="u" href="#Color">Color</a> + +</div> + +<h3 class="section">6.1 Color specifications</h3> + +<p><a name="index-color-specifications-65"></a> +The color specification supported by dvipng is by-value or by-name. The +by-value spec starts with the name of a color model (one of ‘<samp><span class="samp">rgb</span></samp>’, +‘<samp><span class="samp">hsb</span></samp>’, ‘<samp><span class="samp">cmy</span></samp>’, ‘<samp><span class="samp">cmyk</span></samp>’, or ‘<samp><span class="samp">gray</span></samp>’) followed by the +appropriate number of parameters. Thus, the color specification +‘<samp><span class="samp">rgb 0.3 0.4 0.5</span></samp>’ would correspond to the color that is ‘<samp><span class="samp">0.3 +0.4 0.5</span></samp>’ in its red, blue and green values. The color model used +internally in dvipng is ‘<samp><span class="samp">RGB</span></samp>’ (discretized to 256 levels), for +details on the formulas used in conversion, see the ‘<samp><span class="samp">xcolor</span></samp>’ +documentation. + + <p>By-name color specifications are single (case-dependent) words and are +compared with color names defined in ‘<samp><span class="samp">dvipsnam.def</span></samp>’ (from the +‘<samp><span class="samp">graphics</span></samp>’ bundle), ‘<samp><span class="samp">svgnam.def</span></samp>’ and ‘<samp><span class="samp">xcolor.sty</span></samp>’ (from +the ‘<samp><span class="samp">xcolor</span></samp>’ bundle). See the ‘<samp><span class="samp">xcolor</span></samp>’ documentation for a +list of names and the corresponding colors. + + <p>On the command-line, the name ‘<samp><span class="samp">Transparent</span></samp>’ can also be used as +an argument to ‘<samp><span class="samp">--bg</span></samp>’ to choose transparent background. +See <a href="#Option-details">Option details</a>. + +<div class="node"> +<a name="Color-specials"></a> +<p><hr> +Previous: <a rel="previous" accesskey="p" href="#Color-specifications">Color specifications</a>, +Up: <a rel="up" accesskey="u" href="#Color">Color</a> + +</div> + +<h3 class="section">6.2 Color specials</h3> + +<p>We will describe ‘<samp><span class="samp">background</span></samp>’ first, since it is the simplest. The +‘<samp><span class="samp">background</span></samp>’ keyword must be followed by a color specification. +That color specification is used as a fill color for the background. The +last ‘<samp><span class="samp">background</span></samp>’ special on a page is the one that gets used, and +is used for the whole of the page image. (This is possible because the +prescan phase of dvipng notices all of the color specials so that the +appropriate information can be written out during the second phase.) + + <p>The ‘<samp><span class="samp">color</span></samp>’ special itself has three forms. The first is just +‘<samp><span class="samp">color</span></samp>’ followed by a color specification. In this case, the +current global color is set to that color; the color stack must be empty +when such a command is executed. + + <p>The second form is ‘<samp><span class="samp">color push</span></samp>’ followed by a color specification. +This saves the current color on the color stack and sets the color to be +that given by the color specification. This is the most common way to +set a color. + + <p>The final form of the ‘<samp><span class="samp">color</span></samp>’ special is just ‘<samp><span class="samp">color pop</span></samp>’, +with no color specification; this says to pop the color last pushed on +the color stack from the color stack and set the current color to be +that color. + + <p>dvipng correctly handles these color specials across pages, even when +the pages are rendered repeatedly or in reverse order. + +<div class="node"> +<a name="Diagnosing-problems"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Credits">Credits</a>, +Previous: <a rel="previous" accesskey="p" href="#Color">Color</a>, +Up: <a rel="up" accesskey="u" href="#Top">Top</a> + +</div> + +<h2 class="chapter">7 Diagnosing problems</h2> + +<p><a name="index-problems-66"></a><a name="index-trouble-67"></a><a name="index-debugging-68"></a> +You've gone through all the trouble of installing dvipng, carefully read +all the instructions in this manual, and still can't get something to +work. The following sections provide some helpful hints if you find +yourself in such a situation. + +<ul class="menu"> +<li><a accesskey="1" href="#Contact-information">Contact information</a>: Who to ask. +<li><a accesskey="2" href="#Debug-options">Debug options</a>: Getting diagnostics. +</ul> + +<div class="node"> +<a name="Contact-information"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Debug-options">Debug options</a>, +Up: <a rel="up" accesskey="u" href="#Diagnosing-problems">Diagnosing problems</a> + +</div> + +<h3 class="section">7.1 Contact information</h3> + +<p>Bug reports should be sent to +<a href="mailto:dvipng@nongnu.org">dvipng@nongnu.org</a>. + + <p>Questions, suggestions for new features, pleas for help, and/or praise +should go to <a href="mailto:dvipng@nongnu.org">dvipng@nongnu.org</a>. For more information on this +mailing list, send a message with just the word `help' as subject or +body to <a href="mailto:dvipng-request@nongnu.org">dvipng-request@nongnu.org</a> or look at +<a href="http://lists.nongnu.org/mailman/listinfo/dvipng">http://lists.nongnu.org/mailman/listinfo/dvipng</a>. + + <p>Offers to support further development will be appreciated. For developer +access, ask on <a href="mailto:dvipng@nongnu.org">dvipng@nongnu.org</a>. + + <p>For details on the TeX path-searching library, and <code>mktexpk</code> +problems, see <a href="kpathsea.html#Common-problems">Common problems</a>. + +<div class="node"> +<a name="Debug-options"></a> +<p><hr> +Previous: <a rel="previous" accesskey="p" href="#Contact-information">Contact information</a>, +Up: <a rel="up" accesskey="u" href="#Diagnosing-problems">Diagnosing problems</a> + +</div> + +<h3 class="section">7.2 Debug options</h3> + +<p>The ‘<samp><span class="samp">-d</span></samp>’ flag to dvipng helps in tracking down certain errors. The +parameter to this flag is an integer that tells what errors are +currently being tracked. To track a certain class of debug messages, +simply provide the appropriate number given below; if you wish to track +multiple classes, sum the numbers of the classes you wish to track. To +track all classes, you can use <code>-1</code>. + + <p>Some of these debugging options are actually provided by Kpathsea +(see <a href="kpathsea.html#Debugging">Debugging</a>). + + <p>The classes are: + <dl> +<dt>1<dd>Normal dvi op-codes +<br><dt>2<dd>Virtual fonts +<br><dt>4<dd>PK fonts +<br><dt>8<dd>TFM files +<br><dt>16<dd>Glyph rendering +<br><dt>32<dd>FreeType calls +<br><dt>64<dd>Encoding loads +<br><dt>128<dd>Color specials +<br><dt>256<dd>GhostScript specials +<br><dt>512<dd>T1lib calls +<br><dt>1024<dd>Kpathsea <code>stat</code> calls +<br><dt>2048<dd>Kpathsea hash table lookups +<br><dt>4096<dd>Kpathsea path element expansion +<br><dt>8192<dd>Kpathsea path searches + + </dl> + +<div class="node"> +<a name="Credits"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Copying">Copying</a>, +Previous: <a rel="previous" accesskey="p" href="#Diagnosing-problems">Diagnosing problems</a>, +Up: <a rel="up" accesskey="u" href="#Top">Top</a> + +</div> + +<h2 class="chapter">8 Credits</h2> + +<p>A number of persons have contributed, if I forget to mention someone, +I apologize. First and foremost we have David Kastrup whose +preview-latex project provided the incentive to write this program. +There is also a number of people who have contributed by reporting +bugs and suggesting improvements as the thing has evolved. These +include but is perhaps not limited to (in semi-random order): Thomas +Esser (teTeX), Christian Schenk (MIKTeX), Brian R Furry (debian +package), Angus Leeming (LyX), Thomas Boutell (libgd), John Jones +(first user report), Uwe Kern (xcolor), Karl Berry and Peter +Breitenlohner (TeX Live), David Harvey (hinting in Freetype), Neal +Harmon, Alan Shutko, Reiner Stieb, Nick Alcock, Adam Buchbinder, Svend +Tollak Munkejord, James Longstreet, Bernhard Simon, Bob McElrath, +Georg Schwarz, Jason Farmer, Brian V. Smith, Samuel Hathaway, Thomas +R. Shemanske, Stephen Gibson, Christian Ridderström, Ezra Peisach, +William H Wheeler, Thomas Klausner, Harald Koenig, Adrian Bunk, Kevin +Smith, Jason Riedy, Wolfram Krause, Reinhard Kotucha, Takeshi Abe, and +Waldeck Schutzer. + + <p>Use of the <code>gd</code> library requires inclusion of the following +copyright notice, which applies to the <code>gd</code> library: + + <blockquote> +Portions copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 by Cold Spring Harbor Laboratory. Funded under Grant P41-RR02188 by the National Institutes of Health. + + <p>Portions copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 by Boutell.Com, Inc. + + <p>Portions relating to GD2 format copyright 1999, 2000, 2001, 2002, 2003, 2004 Philip Warner. + + <p>Portions relating to PNG copyright 1999, 2000, 2001, 2002, 2003, 2004 Greg Roelofs. + + <p>Portions relating to gdttf.c copyright 1999, 2000, 2001, 2002, 2003, 2004 John Ellson (ellson@graphviz.org). + + <p>Portions relating to gdft.c copyright 2001, 2002, 2003, 2004 John Ellson (ellson@graphviz.org). + + <p>Portions relating to JPEG and to color quantization copyright 2000, 2001, 2002, 2003, 2004, Doug Becker and copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Thomas G. Lane. This software is based in part on the work of the Independent JPEG Group. See the file README-JPEG.TXT for more information. + + <p>Portions relating to GIF compression copyright 1989 by Jef Poskanzer and David Rowley, with modifications for thread safety by Thomas Boutell. + + <p>Portions relating to GIF decompression copyright 1990, 1991, 1993 by David Koblas, with modifications for thread safety by Thomas Boutell. + + <p>Portions relating to WBMP copyright 2000, 2001, 2002, 2003, 2004 Maurice Szmurlo and Johan Van den Brande. + + <p>Portions relating to GIF animations copyright 2004 Jaakko Hyvädtti (jaakko.hyvatti@iki.fi) + + <p>Permission has been granted to copy, distribute and modify gd in any context without fee, including a commercial application, provided that this notice is present in user-accessible supporting documentation. + + <p>This does not affect your ownership of the derived work itself, and the intent is to assure proper credit for the authors of gd, not to interfere with your productive use of gd. If you have questions, ask. "Derived works" includes all programs that utilize the library. Credit must be given in user-accessible documentation. + + <p>This software is provided "AS IS." The copyright holders disclaim all warranties, either express or implied, including but not limited to implied warranties of merchantability and fitness for a particular purpose, with respect to this code and accompanying documentation. + + <p>Although their code does not appear in the current release, the authors also wish to thank Hutchison Avenue Software Corporation for their prior contributions. +</blockquote> + +<div class="node"> +<a name="Copying"></a> +<p><hr> +Next: <a rel="next" accesskey="n" href="#Index">Index</a>, +Previous: <a rel="previous" accesskey="p" href="#Credits">Credits</a>, +Up: <a rel="up" accesskey="u" href="#Top">Top</a> + +</div> + +<h2 class="chapter">9 Copying</h2> + +<p>This program is free software: you can redistribute it and/or modify +it under the terms of the GNU Lesser General Public License as +published by the Free Software Foundation, either version 3 of the +License, or (at your option) any later version. + + <p>This program is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Lesser General Public License for more details. + + <p>You should have received a copy of the GNU Lesser General Public +License along with this program. If not, see +<http://www.gnu.org/licenses/>. + + <pre class="sp"> + + +</pre> +Copyright © 2002-2010 Jan-Åke Larsson + +<div class="node"> +<a name="Index"></a> +<p><hr> +Previous: <a rel="previous" accesskey="p" href="#Copying">Copying</a>, +Up: <a rel="up" accesskey="u" href="#Top">Top</a> + +</div> + +<h2 class="unnumbered">Index</h2> + +<ul class="index-cp" compact> +<li><a href="#index-g_t_002ddSAFER-39">-dSAFER</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-absolute-page-number_002c-and-_0040samp_007b_002dl_007d-32">absolute page number, and ‘<samp><span class="samp">-l</span></samp>’</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-absolute-page-number_002c-and-_0040samp_007b_002dp_007d-47">absolute page number, and ‘<samp><span class="samp">-p</span></samp>’</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-antialiasing-levels_0040r_007b_002c-number-of_007d-55">antialiasing levels<span class="roman">, number of</span></a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-background-color-_0028option_0029-14">background color (option)</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-base-resolution_002c-setting-13">base resolution, setting</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-baseline-reporting-17">baseline reporting</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-color-specifications-65">color specifications</a>: <a href="#Color-specifications">Color specifications</a></li> +<li><a href="#index-command_002dline-options-5">command-line options</a>: <a href="#Command_002dline-options">Command-line options</a></li> +<li><a href="#index-compilation-2">compilation</a>: <a href="#Installation">Installation</a></li> +<li><a href="#index-compression-63">compression</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-configuration_002c-of-dvipng-1">configuration, of dvipng</a>: <a href="#Installation">Installation</a></li> +<li><a href="#index-dark-fonts-23">dark fonts</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-debugging-68">debugging</a>: <a href="#Diagnosing-problems">Diagnosing problems</a></li> +<li><a href="#index-debugging-15">debugging</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-depth-reporting-18">depth reporting</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-exit-on-erroneous-images-58">exit on erroneous images</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-first-page-printed-44">first page printed</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-follow-mode-20">follow mode</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-font-generation_002c-avoiding-35">font generation, avoiding</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-forcing-palette-output-48">forcing palette output</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-foreground-color-_0028option_0029-19">foreground color (option)</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-FreeType-font-rendering-21">FreeType font rendering</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-fuzzy-images-25">fuzzy images</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-gamma-22">gamma</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-GhostScript-and-_002ddSAFER-38">GhostScript and -dSAFER</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-GhostScript_002c-turning-off-37">GhostScript, turning off</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-GIF-image-format-26">GIF image format</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-height-reporting-28">height reporting</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-installation_002c-of-dvipng-3">installation, of dvipng</a>: <a href="#Installation">Installation</a></li> +<li><a href="#index-invoking-dvipng-4">invoking dvipng</a>: <a href="#Basic-usage">Basic usage</a></li> +<li><a href="#index-last-page-printed-29">last page printed</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-light-fonts-24">light fonts</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-magnification_002c-overriding-DVI-62">magnification, overriding DVI</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-Metafont-mode_002c-specifying-34">Metafont mode, specifying</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-mktexpk_0040r_007b_002c-avoiding_007d-36"><code>mktexpk</code><span class="roman">, avoiding</span></a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-mode-name_002c-specifying-33">mode name, specifying</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-no-erroneous-images-49">no erroneous images</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-offset-pages-43">offset pages</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-option_002c-details-of-8">option, details of</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-options_002c-dvipng-6">options, dvipng</a>: <a href="#Command_002dline-options">Command-line options</a></li> +<li><a href="#index-options_002c-reading-from-standard-input-9">options, reading from standard input</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-options_002c-summary-7">options, summary</a>: <a href="#Option-summary">Option summary</a></li> +<li><a href="#index-output-resolution_002c-setting-16">output resolution, setting</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-output_002c-redirecting-41">output, redirecting</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-page-range-51">page range</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-page_002c-first-printed-45">page, first printed</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-page_002c-last-printed-30">page, last printed</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-physical-page-number_002c-and-_0040samp_007b_002dl_007d-31">physical page number, and ‘<samp><span class="samp">-l</span></samp>’</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-physical-page-number_002c-and-_0040samp_007b_002dp_007d-46">physical page number, and ‘<samp><span class="samp">-p</span></samp>’</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-PNG-image-format-50">PNG image format</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-PostScript-inclusion-problems-64">PostScript inclusion problems</a>: <a href="#Encapsulated-PostScript">Encapsulated PostScript</a></li> +<li><a href="#index-PostScript_002c-turning-off-raw-PostScript-specials-40">PostScript, turning off raw PostScript specials</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-problems-66">problems</a>: <a href="#Diagnosing-problems">Diagnosing problems</a></li> +<li><a href="#index-quality-56">quality</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-quiet-operation-52">quiet operation</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-reverse-pagination-57">reverse pagination</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-silent-operation-53">silent operation</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-standard-input_002c-reading-options-from-10">standard input, reading options from</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-standard-output_002c-output-to-42">standard output, output to</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-T1lib-font-rendering-59">T1lib font rendering</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-transparent-border-fallback-color-12">transparent border fallback color</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-transparent-border-width-11">transparent border width</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-trouble-67">trouble</a>: <a href="#Diagnosing-problems">Diagnosing problems</a></li> +<li><a href="#index-truecolor-output-60">truecolor output</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-warnings_002c-suppressing-54">warnings, suppressing</a>: <a href="#Option-details">Option details</a></li> +<li><a href="#index-width-reporting-61">width reporting</a>: <a href="#Option-details">Option details</a></li> + </ul></body></html> + diff --git a/Master/texmf-dist/doc/dvipng/dvipng.pdf b/Master/texmf-dist/doc/dvipng/dvipng.pdf Binary files differnew file mode 100644 index 00000000000..ed294dd31cc --- /dev/null +++ b/Master/texmf-dist/doc/dvipng/dvipng.pdf |