mrkad
/
php-qrcode
зеркало из https://github.com/chillerlan/php-qrcode.git


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721
							<!DOCTYPE html>
<html class="writer-html5" lang="en" >
<head>
  <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" />

  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Configuration settings &mdash; PHP-QRCode main
 Manual</title>
      <link rel="stylesheet" href="../_static/pygments.css" type="text/css" />
      <link rel="stylesheet" href="../_static/css/theme.css" type="text/css" />
  <!--[if lt IE 9]>
    <script src="../_static/js/html5shiv.min.js"></script>
  <![endif]-->
  
        <script src="../_static/jquery.js?v=5d32c60e"></script>
        <script src="../_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
        <script src="../_static/documentation_options.js?v=a8da1a53"></script>
        <script src="../_static/doctools.js?v=888ff710"></script>
        <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="../_static/js/theme.js"></script>
    <link rel="index" title="Index" href="../genindex.html" />
    <link rel="search" title="Search" href="../search.html" />
    <link rel="next" title="Module values" href="../Customizing/Module-Values.html" />
    <link rel="prev" title="Advanced usage" href="Advanced-usage.html" /> 
</head>

<body class="wy-body-for-nav"> 
  <div class="wy-grid-for-nav">
    <nav data-toggle="wy-nav-shift" class="wy-nav-side">
      <div class="wy-side-scroll">
        <div class="wy-side-nav-search" >

          
          <a href="../index.html" class="icon icon-home">
            PHP-QRCode
          </a>
<div role="search">
  <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
    <input type="hidden" name="check_keywords" value="yes" />
    <input type="hidden" name="area" value="default" />
  </form>
</div>
        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
              <p class="caption" role="heading"><span class="caption-text">Usage</span></p>
<ul class="current">
<li class="toctree-l1"><a class="reference internal" href="Overview.html">Overview</a><ul>
<li class="toctree-l2"><a class="reference internal" href="Overview.html#features">Features</a></li>
<li class="toctree-l2"><a class="reference internal" href="Overview.html#requirements">Requirements</a></li>
<li class="toctree-l2"><a class="reference internal" href="Overview.html#framework-integration">Framework Integration</a></li>
<li class="toctree-l2"><a class="reference internal" href="Overview.html#shameless-advertising">Shameless advertising</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="Installation.html">Installation</a><ul>
<li class="toctree-l2"><a class="reference internal" href="Installation.html#installation-with-composer">Installation with Composer</a><ul>
<li class="toctree-l3"><a class="reference internal" href="Installation.html#composer-json">composer.json</a><ul>
<li class="toctree-l4"><a class="reference internal" href="Installation.html#version-switch">Version switch</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="Installation.html#terminal">Terminal</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="Installation.html#manual-installation">Manual installation</a><ul>
<li class="toctree-l3"><a class="reference internal" href="Installation.html#can-i-use-this-library-without-using-composer">Can i use this library without using composer?</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="Installation.html#supported-php-versions-extension-requirements">Supported PHP versions &amp; extension requirements</a></li>
<li class="toctree-l2"><a class="reference internal" href="Installation.html#imagemagick">ImageMagick</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="Quickstart.html">Quickstart</a><ul>
<li class="toctree-l2"><a class="reference internal" href="Quickstart.html#import-the-library">Import the library</a></li>
<li class="toctree-l2"><a class="reference internal" href="Quickstart.html#create-your-first-qr-code">Create your first QR Code</a><ul>
<li class="toctree-l3"><a class="reference internal" href="Quickstart.html#configuration">Configuration</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="Quickstart.html#reading-qr-codes">Reading QR Codes</a></li>
<li class="toctree-l2"><a class="reference internal" href="Quickstart.html#notes">Notes</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="Advanced-usage.html">Advanced usage</a><ul>
<li class="toctree-l2"><a class="reference internal" href="Advanced-usage.html#configuration-via-qroptions">Configuration via <code class="docutils literal notranslate"><span class="pre">QROptions</span></code></a><ul>
<li class="toctree-l3"><a class="reference internal" href="Advanced-usage.html#supply-an-iterable-of-options">Supply an <code class="docutils literal notranslate"><span class="pre">iterable</span></code> of options</a></li>
<li class="toctree-l3"><a class="reference internal" href="Advanced-usage.html#load-and-save-json">Load and save JSON</a></li>
<li class="toctree-l3"><a class="reference internal" href="Advanced-usage.html#extending-the-qroptions-class">Extending the <code class="docutils literal notranslate"><span class="pre">QROptions</span></code> class</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="Advanced-usage.html#qrcode-methods"><code class="docutils literal notranslate"><span class="pre">QRCode</span></code> methods</a><ul>
<li class="toctree-l3"><a class="reference internal" href="Advanced-usage.html#save-to-file">Save to file</a></li>
<li class="toctree-l3"><a class="reference internal" href="Advanced-usage.html#render-a-qrmatrix-instance">Render a <code class="docutils literal notranslate"><span class="pre">QRMatrix</span></code> instance</a></li>
<li class="toctree-l3"><a class="reference internal" href="Advanced-usage.html#mixed-mode">Mixed mode</a></li>
<li class="toctree-l3"><a class="reference internal" href="Advanced-usage.html#qr-code-reader">QR Code reader</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1 current"><a class="current reference internal" href="#">Configuration settings</a><ul>
<li class="toctree-l2"><a class="reference internal" href="#version">version</a></li>
<li class="toctree-l2"><a class="reference internal" href="#versionmin">versionMin</a></li>
<li class="toctree-l2"><a class="reference internal" href="#versionmax">versionMax</a></li>
<li class="toctree-l2"><a class="reference internal" href="#ecclevel">eccLevel</a></li>
<li class="toctree-l2"><a class="reference internal" href="#maskpattern">maskPattern</a></li>
<li class="toctree-l2"><a class="reference internal" href="#addquietzone">addQuietzone</a></li>
<li class="toctree-l2"><a class="reference internal" href="#quietzonesize">quietzoneSize</a></li>
<li class="toctree-l2"><a class="reference internal" href="#outputtype">outputType</a></li>
<li class="toctree-l2"><a class="reference internal" href="#outputinterface">outputInterface</a></li>
<li class="toctree-l2"><a class="reference internal" href="#returnresource">returnResource</a></li>
<li class="toctree-l2"><a class="reference internal" href="#cachefile">cachefile</a></li>
<li class="toctree-l2"><a class="reference internal" href="#outputbase64">outputBase64</a></li>
<li class="toctree-l2"><a class="reference internal" href="#eol">eol</a></li>
<li class="toctree-l2"><a class="reference internal" href="#bgcolor">bgColor</a></li>
<li class="toctree-l2"><a class="reference internal" href="#invertmatrix">invertMatrix</a></li>
<li class="toctree-l2"><a class="reference internal" href="#drawlightmodules">drawLightModules</a></li>
<li class="toctree-l2"><a class="reference internal" href="#drawcircularmodules">drawCircularModules</a></li>
<li class="toctree-l2"><a class="reference internal" href="#circleradius">circleRadius</a></li>
<li class="toctree-l2"><a class="reference internal" href="#keepassquare">keepAsSquare</a></li>
<li class="toctree-l2"><a class="reference internal" href="#connectpaths">connectPaths</a></li>
<li class="toctree-l2"><a class="reference internal" href="#excludefromconnect">excludeFromConnect</a></li>
<li class="toctree-l2"><a class="reference internal" href="#modulevalues">moduleValues</a></li>
<li class="toctree-l2"><a class="reference internal" href="#addlogospace">addLogoSpace</a></li>
<li class="toctree-l2"><a class="reference internal" href="#logospacewidth">logoSpaceWidth</a></li>
<li class="toctree-l2"><a class="reference internal" href="#logospaceheight">logoSpaceHeight</a></li>
<li class="toctree-l2"><a class="reference internal" href="#logospacestartx">logoSpaceStartX</a></li>
<li class="toctree-l2"><a class="reference internal" href="#logospacestarty">logoSpaceStartY</a></li>
<li class="toctree-l2"><a class="reference internal" href="#scale">scale</a></li>
<li class="toctree-l2"><a class="reference internal" href="#imagetransparent">imageTransparent</a></li>
<li class="toctree-l2"><a class="reference internal" href="#transparencycolor">transparencyColor</a></li>
<li class="toctree-l2"><a class="reference internal" href="#quality">quality</a></li>
<li class="toctree-l2"><a class="reference internal" href="#imagickformat">imagickFormat</a></li>
<li class="toctree-l2"><a class="reference internal" href="#cssclass">cssClass</a></li>
<li class="toctree-l2"><a class="reference internal" href="#markupdark">markupDark</a></li>
<li class="toctree-l2"><a class="reference internal" href="#markuplight">markupLight</a></li>
<li class="toctree-l2"><a class="reference internal" href="#svgaddxmlheader">svgAddXmlHeader</a></li>
<li class="toctree-l2"><a class="reference internal" href="#svgopacity">svgOpacity</a></li>
<li class="toctree-l2"><a class="reference internal" href="#svgdefs">svgDefs</a></li>
<li class="toctree-l2"><a class="reference internal" href="#svgpreserveaspectratio">svgPreserveAspectRatio</a></li>
<li class="toctree-l2"><a class="reference internal" href="#textdark">textDark</a></li>
<li class="toctree-l2"><a class="reference internal" href="#textlight">textLight</a></li>
<li class="toctree-l2"><a class="reference internal" href="#textlinestart">textLineStart</a></li>
<li class="toctree-l2"><a class="reference internal" href="#jsonasbooleans">jsonAsBooleans</a></li>
<li class="toctree-l2"><a class="reference internal" href="#fpdfmeasureunit">fpdfMeasureUnit</a></li>
<li class="toctree-l2"><a class="reference internal" href="#readeruseimagickifavailable">readerUseImagickIfAvailable</a></li>
<li class="toctree-l2"><a class="reference internal" href="#readergrayscale">readerGrayscale</a></li>
<li class="toctree-l2"><a class="reference internal" href="#readerincreasecontrast">readerIncreaseContrast</a></li>
</ul>
</li>
</ul>
<p class="caption" role="heading"><span class="caption-text">Customizing output</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../Customizing/Module-Values.html">Module values</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Customizing/Module-Values.html#basics">Basics</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Customizing/Module-Values.html#assigning-values">Assigning values</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Customizing/Module-Values.html#handling-in-your-own-qroutputinterface">Handling in your own <code class="docutils literal notranslate"><span class="pre">QROutputInterface</span></code></a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Customizing/Module-Values.html#setting-module-values">Setting module values</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Customizing/Module-Values.html#using-the-module-values">Using the module values</a></li>
</ul>
</li>
</ul>
</li>
</ul>
<p class="caption" role="heading"><span class="caption-text">Built-In Output Modules</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QREps.html">QREps</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QREps.html#example">Example</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QREps.html#additional-methods">Additional methods</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QREps.html#options-that-affect-this-module">Options that affect this module</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Built-In-Output/QREps.html#options-that-have-no-effect">Options that have no effect</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRFpdf.html">QRFpdf</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRFpdf.html#example">Example</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRFpdf.html#additional-methods">Additional methods</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRFpdf.html#options-that-affect-this-module">Options that affect this module</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Built-In-Output/QRFpdf.html#options-that-have-no-effect">Options that have no effect</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRGdImage.html">QRGdImage</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRGdImage.html#example">Example</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRGdImage.html#additional-methods">Additional methods</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRGdImage.html#options-that-affect-this-module">Options that affect this module</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Built-In-Output/QRGdImage.html#options-that-have-no-effect">Options that have no effect</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRImagick.html">QRImagick</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRImagick.html#example">Example</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRImagick.html#additional-methods">Additional methods</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRImagick.html#options-that-affect-this-module">Options that affect this module</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Built-In-Output/QRImagick.html#options-that-have-no-effect">Options that have no effect</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRMarkupHTML.html">QRMarkupHTML</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRMarkupHTML.html#example">Example</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRMarkupHTML.html#additional-methods">Additional methods</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRMarkupHTML.html#options-that-affect-this-module">Options that affect this module</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Built-In-Output/QRMarkupHTML.html#options-that-have-no-effect">Options that have no effect</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRMarkupSVG.html">QRMarkupSVG</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRMarkupSVG.html#example">Example</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRMarkupSVG.html#additional-methods">Additional methods</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRMarkupSVG.html#options-that-affect-this-module">Options that affect this module</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Built-In-Output/QRMarkupSVG.html#options-that-have-no-effect">Options that have no effect</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../Built-In-Output/QRString.html">QRString</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRString.html#plain-text">Plain text</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRString.html#json">JSON</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRString.html#additional-methods">Additional methods</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Built-In-Output/QRString.html#options-that-affect-this-module">Options that affect this module</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Built-In-Output/QRString.html#options-that-have-no-effect">Options that have no effect</a></li>
</ul>
</li>
</ul>
</li>
</ul>
<p class="caption" role="heading"><span class="caption-text">Appendix</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../Appendix/Contribute.html">How to contribute</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Contribute.html#questions-and-issues">Questions and issues</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Contribute.html#bug-reports">Bug reports</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Contribute.html#pull-requests-and-bug-fixes">Pull requests and bug fixes</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Contribute.html#documentation">Documentation</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../Appendix/Terminology.html">Terminology</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#qr-code">QR Code</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#matrix">Matrix</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#module">Module</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#version">Version</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#function-patterns">Function Patterns</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#finder-pattern">Finder Pattern</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#alignment-pattern">Alignment Pattern</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#timing-pattern">Timing Pattern</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#separators">Separators</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#quiet-zone">Quiet Zone</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#encoding-region">Encoding Region</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#data">Data</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#version-information">Version Information</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#format-information">Format Information</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#darkmodule">Darkmodule</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#mode">Mode</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#segment">Segment</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#extended-channel-interpretation-eci">Extended Channel Interpretation (ECI)</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#mixed-mode">Mixed Mode</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#ecc-error-correction-coding">ECC (Error Correction Coding)</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#ecc-level">ECC Level</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#maximum-data-capacity">Maximum data capacity</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#data-masking">Data masking</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#evaluation">Evaluation</a></li>
<li class="toctree-l3"><a class="reference internal" href="../Appendix/Terminology.html#mask-pattern">Mask pattern</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/Terminology.html#reflectance">Reflectance</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../Appendix/URI-Content.html">Popular content and URI schemes</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#url-https">URL <code class="docutils literal notranslate"><span class="pre">https</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#e-mail-mailto">E-Mail <code class="docutils literal notranslate"><span class="pre">mailto</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#phone-numbers-tel">Phone numbers <code class="docutils literal notranslate"><span class="pre">tel</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#geo-coordinates-geo">Geo Coordinates <code class="docutils literal notranslate"><span class="pre">geo</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#mobile-authenticators-otpauth">Mobile Authenticators <code class="docutils literal notranslate"><span class="pre">otpauth</span></code></a></li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#wireless-network-configuration">Wireless Network configuration</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#contact-information-vcard">Contact information: vCard</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#calendar-events-vcalendar-and-icalendar">Calendar Events: vCalendar and iCalendar</a></li>
<li class="toctree-l2"><a class="reference internal" href="../Appendix/URI-Content.html#see-also">See also</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="../Appendix/License.html">License</a></li>
</ul>

        </div>
      </div>
    </nav>

    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
          <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
          <a href="../index.html">PHP-QRCode</a>
      </nav>

      <div class="wy-nav-content">
        <div class="rst-content">
          <div role="navigation" aria-label="Page navigation">
  <ul class="wy-breadcrumbs">
      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
      <li class="breadcrumb-item active">Configuration settings</li>
      <li class="wy-breadcrumbs-aside">
              <a href="https://github.com/chillerlan/php-qrcode/blob/main/docs/Usage/Configuration-settings.md" class="fa fa-github"> Edit on GitHub</a>
      </li>
  </ul>
  <hr/>
</div>
          <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
           <div itemprop="articleBody">
             
  <section id="configuration-settings">
<h1>Configuration settings<a class="headerlink" href="#configuration-settings" title="Link to this heading"></a></h1>
<!-- This file is auto generated from the source of QROptionsTrait.php -->
<section id="version">
<h2>version<a class="headerlink" href="#version" title="Link to this heading"></a></h2>
<p>QR Code version number</p>
<p><code class="docutils literal notranslate"><span class="pre">1</span> <span class="pre">...</span> <span class="pre">40</span></code> or <code class="docutils literal notranslate"><span class="pre">Version::AUTO</span></code> (default)</p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\Common\Version</span></code></p></li>
</ul>
</section>
<section id="versionmin">
<h2>versionMin<a class="headerlink" href="#versionmin" title="Link to this heading"></a></h2>
<p>Minimum QR version</p>
<p>if <code class="docutils literal notranslate"><span class="pre">QROptions::$version</span></code> is set to <code class="docutils literal notranslate"><span class="pre">Version::AUTO</span></code> (default: 1)</p>
</section>
<section id="versionmax">
<h2>versionMax<a class="headerlink" href="#versionmax" title="Link to this heading"></a></h2>
<p>Maximum QR version</p>
<p>if <code class="docutils literal notranslate"><span class="pre">QROptions::$version</span></code> is set to <code class="docutils literal notranslate"><span class="pre">Version::AUTO</span></code> (default: 40)</p>
</section>
<section id="ecclevel">
<h2>eccLevel<a class="headerlink" href="#ecclevel" title="Link to this heading"></a></h2>
<p>Error correct level</p>
<p><code class="docutils literal notranslate"><span class="pre">EccLevel::X</span></code> where <code class="docutils literal notranslate"><span class="pre">X</span></code> is:</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">L</span></code> =&gt;  7% (default)</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">M</span></code> =&gt; 15%</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">Q</span></code> =&gt; 25%</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">H</span></code> =&gt; 30%</p></li>
</ul>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\Common\EccLevel</span></code></p></li>
<li><p><a class="reference external" href="https://github.com/chillerlan/php-qrcode/discussions/160">github.com/chillerlan/php-qrcode/discussions/160</a></p></li>
</ul>
</section>
<section id="maskpattern">
<h2>maskPattern<a class="headerlink" href="#maskpattern" title="Link to this heading"></a></h2>
<p>Mask Pattern to use (no value in using, mostly for unit testing purposes)</p>
<p><code class="docutils literal notranslate"><span class="pre">0</span> <span class="pre">...</span> <span class="pre">7</span></code> or <code class="docutils literal notranslate"><span class="pre">MaskPattern::PATTERN_AUTO</span></code> (default)</p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\Common\MaskPattern</span></code></p></li>
</ul>
</section>
<section id="addquietzone">
<h2>addQuietzone<a class="headerlink" href="#addquietzone" title="Link to this heading"></a></h2>
<p>Add a “quiet zone” (margin) according to the QR code spec</p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><a class="reference external" href="https://www.qrcode.com/en/howto/code.html">www.qrcode.com/en/howto/code.html</a></p></li>
</ul>
</section>
<section id="quietzonesize">
<h2>quietzoneSize<a class="headerlink" href="#quietzonesize" title="Link to this heading"></a></h2>
<p>Size of the quiet zone</p>
<p>internally clamped to <code class="docutils literal notranslate"><span class="pre">0</span> <span class="pre">...</span> <span class="pre">$moduleCount</span> <span class="pre">/</span> <span class="pre">2</span></code> (default: 4)</p>
</section>
<section id="outputtype">
<h2>outputType<a class="headerlink" href="#outputtype" title="Link to this heading"></a></h2>
<p>The built-in output type</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::MARKUP_SVG</span></code> (default)</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::MARKUP_HTML</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::GDIMAGE_BMP</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::GDIMAGE_GIF</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::GDIMAGE_JPG</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::GDIMAGE_PNG</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::GDIMAGE_WEBP</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::STRING_TEXT</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::STRING_JSON</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::IMAGICK</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::EPS</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::FPDF</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::CUSTOM</span></code></p></li>
</ul>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\Output\QREps</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\Output\QRFpdf</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\Output\QRGdImage</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\Output\QRImagick</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\Output\QRMarkupHTML</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\Output\QRMarkupSVG</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\Output\QRString</span></code></p></li>
</ul>
</section>
<section id="outputinterface">
<h2>outputInterface<a class="headerlink" href="#outputinterface" title="Link to this heading"></a></h2>
<p>The FQCN of the custom <code class="docutils literal notranslate"><span class="pre">QROutputInterface</span></code></p>
<p>if <code class="docutils literal notranslate"><span class="pre">QROptions::$outputType</span></code> is set to <code class="docutils literal notranslate"><span class="pre">QROutputInterface::CUSTOM</span></code> (default: <code class="docutils literal notranslate"><span class="pre">null</span></code>)</p>
</section>
<section id="returnresource">
<h2>returnResource<a class="headerlink" href="#returnresource" title="Link to this heading"></a></h2>
<p>Return the image resource instead of a render if applicable.</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">QRGdImage</span></code>: <code class="docutils literal notranslate"><span class="pre">resource</span></code> (PHP &lt; 8), <code class="docutils literal notranslate"><span class="pre">GdImage</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QRImagick</span></code>: <code class="docutils literal notranslate"><span class="pre">Imagick</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QRFpdf</span></code>:    <code class="docutils literal notranslate"><span class="pre">FPDF</span></code></p></li>
</ul>
<p>This option overrides/ignores other output settings, such as <code class="docutils literal notranslate"><span class="pre">QROptions::$cachefile</span></code>
and <code class="docutils literal notranslate"><span class="pre">QROptions::$outputBase64</span></code>. (default: <code class="docutils literal notranslate"><span class="pre">false</span></code>)</p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\Output\QROutputInterface::dump()</span></code></p></li>
</ul>
</section>
<section id="cachefile">
<h2>cachefile<a class="headerlink" href="#cachefile" title="Link to this heading"></a></h2>
<p>Optional cache file path <code class="docutils literal notranslate"><span class="pre">/path/to/cache.file</span></code></p>
<p>Please note that the <code class="docutils literal notranslate"><span class="pre">$file</span></code> parameter in <code class="docutils literal notranslate"><span class="pre">QRCode::render()</span></code> and <code class="docutils literal notranslate"><span class="pre">QRCode::renderMatrix()</span></code>
takes precedence over the <code class="docutils literal notranslate"><span class="pre">QROptions::$cachefile</span></code> value. (default: <code class="docutils literal notranslate"><span class="pre">null</span></code>)</p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\QRCode::render()</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\QRCode::renderMatrix()</span></code></p></li>
</ul>
</section>
<section id="outputbase64">
<h2>outputBase64<a class="headerlink" href="#outputbase64" title="Link to this heading"></a></h2>
<p>Toggle base64 data URI or raw data output (if applicable)</p>
<p>(default: <code class="docutils literal notranslate"><span class="pre">true</span></code>)</p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\Output\QROutputAbstract::toBase64DataURI()</span></code></p></li>
</ul>
</section>
<section id="eol">
<h2>eol<a class="headerlink" href="#eol" title="Link to this heading"></a></h2>
<p>Newline string</p>
<p>(default: <code class="docutils literal notranslate"><span class="pre">PHP_EOL</span></code>)</p>
</section>
<section id="bgcolor">
<h2>bgColor<a class="headerlink" href="#bgcolor" title="Link to this heading"></a></h2>
<p>Sets the image background color (if applicable)</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">QRImagick</span></code>: defaults to <code class="docutils literal notranslate"><span class="pre">&quot;white&quot;</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QRGdImage</span></code>: defaults to <code class="docutils literal notranslate"><span class="pre">[255,</span> <span class="pre">255,</span> <span class="pre">255]</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QRFpdf</span></code>: defaults to blank internally (white page)</p></li>
</ul>
</section>
<section id="invertmatrix">
<h2>invertMatrix<a class="headerlink" href="#invertmatrix" title="Link to this heading"></a></h2>
<p>Whether to invert the matrix (reflectance reversal)</p>
<p>(default: <code class="docutils literal notranslate"><span class="pre">false</span></code>)</p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\Data\QRMatrix::invert()</span></code></p></li>
</ul>
</section>
<section id="drawlightmodules">
<h2>drawLightModules<a class="headerlink" href="#drawlightmodules" title="Link to this heading"></a></h2>
<p>Whether to draw the light (false) modules</p>
<p>(default: <code class="docutils literal notranslate"><span class="pre">true</span></code>)</p>
</section>
<section id="drawcircularmodules">
<h2>drawCircularModules<a class="headerlink" href="#drawcircularmodules" title="Link to this heading"></a></h2>
<p>Specify whether to draw the modules as filled circles</p>
<p>a note for <code class="docutils literal notranslate"><span class="pre">GdImage</span></code> output:</p>
<p>if <code class="docutils literal notranslate"><span class="pre">QROptions::$scale</span></code> is less than 20, the image will be upscaled internally, then the modules will be drawn
using <code class="docutils literal notranslate"><span class="pre">imagefilledellipse()</span></code> and then scaled back to the expected size</p>
<p>No effect in: <code class="docutils literal notranslate"><span class="pre">QREps</span></code>, <code class="docutils literal notranslate"><span class="pre">QRFpdf</span></code>, <code class="docutils literal notranslate"><span class="pre">QRMarkupHTML</span></code></p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><a class="reference external" href="https://www.php.net/manual/function.imagefilledellipse">php.net: <code class="docutils literal notranslate"><span class="pre">\imagefilledellipse()</span></code></a></p></li>
<li><p><a class="reference external" href="https://github.com/chillerlan/php-qrcode/issues/23">github.com/chillerlan/php-qrcode/issues/23</a></p></li>
<li><p><a class="reference external" href="https://github.com/chillerlan/php-qrcode/discussions/122">github.com/chillerlan/php-qrcode/discussions/122</a></p></li>
</ul>
</section>
<section id="circleradius">
<h2>circleRadius<a class="headerlink" href="#circleradius" title="Link to this heading"></a></h2>
<p>Specifies the radius of the modules when <code class="docutils literal notranslate"><span class="pre">QROptions::$drawCircularModules</span></code> is set to <code class="docutils literal notranslate"><span class="pre">true</span></code></p>
<p>(default: 0.45)</p>
</section>
<section id="keepassquare">
<h2>keepAsSquare<a class="headerlink" href="#keepassquare" title="Link to this heading"></a></h2>
<p>Specifies which module types to exclude when <code class="docutils literal notranslate"><span class="pre">QROptions::$drawCircularModules</span></code> is set to <code class="docutils literal notranslate"><span class="pre">true</span></code></p>
<p>(default: <code class="docutils literal notranslate"><span class="pre">[]</span></code>)</p>
</section>
<section id="connectpaths">
<h2>connectPaths<a class="headerlink" href="#connectpaths" title="Link to this heading"></a></h2>
<p>Whether to connect the paths for the several module types to avoid weird glitches when using gradients etc.</p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><a class="reference external" href="https://github.com/chillerlan/php-qrcode/issues/57">github.com/chillerlan/php-qrcode/issues/57</a></p></li>
</ul>
</section>
<section id="excludefromconnect">
<h2>excludeFromConnect<a class="headerlink" href="#excludefromconnect" title="Link to this heading"></a></h2>
<p>Specify which paths/patterns to exclude from connecting if <code class="docutils literal notranslate"><span class="pre">QROptions::$connectPaths</span></code> is set to <code class="docutils literal notranslate"><span class="pre">true</span></code></p>
</section>
<section id="modulevalues">
<h2>moduleValues<a class="headerlink" href="#modulevalues" title="Link to this heading"></a></h2>
<p>Module values map</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">QRImagick</span></code>, <code class="docutils literal notranslate"><span class="pre">QRMarkupHTML</span></code>, <code class="docutils literal notranslate"><span class="pre">QRMarkupSVG</span></code>: #ABCDEF, cssname, rgb(), rgba()…</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QREps</span></code>, <code class="docutils literal notranslate"><span class="pre">QRFpdf</span></code>, <code class="docutils literal notranslate"><span class="pre">QRGdImage</span></code>: <code class="docutils literal notranslate"><span class="pre">[R,</span> <span class="pre">G,</span> <span class="pre">B]</span></code> // 0-255</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QREps</span></code>: <code class="docutils literal notranslate"><span class="pre">[C,</span> <span class="pre">M,</span> <span class="pre">Y,</span> <span class="pre">K]</span></code> // 0-255</p></li>
</ul>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\Output\QROutputAbstract::setModuleValues()</span></code></p></li>
</ul>
</section>
<section id="addlogospace">
<h2>addLogoSpace<a class="headerlink" href="#addlogospace" title="Link to this heading"></a></h2>
<p>Toggles logo space creation</p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\QRCode::addMatrixModifications()</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">\chillerlan\QRCode\Data\QRMatrix::setLogoSpace()</span></code></p></li>
</ul>
</section>
<section id="logospacewidth">
<h2>logoSpaceWidth<a class="headerlink" href="#logospacewidth" title="Link to this heading"></a></h2>
<p>Width of the logo space</p>
<p>if only <code class="docutils literal notranslate"><span class="pre">QROptions::$logoSpaceWidth</span></code> is given, the logo space is assumed a square of that size</p>
</section>
<section id="logospaceheight">
<h2>logoSpaceHeight<a class="headerlink" href="#logospaceheight" title="Link to this heading"></a></h2>
<p>Height of the logo space</p>
<p>if only <code class="docutils literal notranslate"><span class="pre">QROptions::$logoSpaceHeight</span></code> is given, the logo space is assumed a square of that size</p>
</section>
<section id="logospacestartx">
<h2>logoSpaceStartX<a class="headerlink" href="#logospacestartx" title="Link to this heading"></a></h2>
<p>Optional horizontal start position of the logo space (top left corner)</p>
</section>
<section id="logospacestarty">
<h2>logoSpaceStartY<a class="headerlink" href="#logospacestarty" title="Link to this heading"></a></h2>
<p>Optional vertical start position of the logo space (top left corner)</p>
</section>
<section id="scale">
<h2>scale<a class="headerlink" href="#scale" title="Link to this heading"></a></h2>
<p>Pixel size of a QR code module</p>
</section>
<section id="imagetransparent">
<h2>imageTransparent<a class="headerlink" href="#imagetransparent" title="Link to this heading"></a></h2>
<p>Toggle transparency</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">QRGdImage</span></code> and <code class="docutils literal notranslate"><span class="pre">QRImagick</span></code>: the given <code class="docutils literal notranslate"><span class="pre">QROptions::$transparencyColor</span></code> is set as transparent</p></li>
</ul>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><a class="reference external" href="https://github.com/chillerlan/php-qrcode/discussions/121">github.com/chillerlan/php-qrcode/discussions/121</a></p></li>
</ul>
</section>
<section id="transparencycolor">
<h2>transparencyColor<a class="headerlink" href="#transparencycolor" title="Link to this heading"></a></h2>
<p>Sets a transparency color for when <code class="docutils literal notranslate"><span class="pre">QROptions::$imageTransparent</span></code> is set to <code class="docutils literal notranslate"><span class="pre">true</span></code>.</p>
<p>Defaults to <code class="docutils literal notranslate"><span class="pre">QROptions::$bgColor</span></code>.</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">QRGdImage</span></code>: <code class="docutils literal notranslate"><span class="pre">[R,</span> <span class="pre">G,</span> <span class="pre">B]</span></code>, this color is set as transparent in <code class="docutils literal notranslate"><span class="pre">imagecolortransparent()</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QRImagick</span></code>: <code class="docutils literal notranslate"><span class="pre">&quot;color_str&quot;</span></code>, this color is set in <code class="docutils literal notranslate"><span class="pre">Imagick::transparentPaintImage()</span></code></p></li>
</ul>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><a class="reference external" href="https://www.php.net/manual/function.imagecolortransparent">php.net: <code class="docutils literal notranslate"><span class="pre">\imagecolortransparent()</span></code></a></p></li>
<li><p><a class="reference external" href="https://www.php.net/manual/imagick.transparentpaintimage">php.net: <code class="docutils literal notranslate"><span class="pre">\Imagick::transparentPaintImage()</span></code></a></p></li>
</ul>
</section>
<section id="quality">
<h2>quality<a class="headerlink" href="#quality" title="Link to this heading"></a></h2>
<p>Compression quality</p>
<p>The given value depends on the used output type:</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::GDIMAGE_BMP</span></code>:  <code class="docutils literal notranslate"><span class="pre">[0...1]</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::GDIMAGE_JPG</span></code>:  <code class="docutils literal notranslate"><span class="pre">[0...100]</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::GDIMAGE_WEBP</span></code>: <code class="docutils literal notranslate"><span class="pre">[0...9]</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::GDIMAGE_PNG</span></code>:  <code class="docutils literal notranslate"><span class="pre">[0...100]</span></code></p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">QROutputInterface::IMAGICK</span></code>:      <code class="docutils literal notranslate"><span class="pre">[0...100]</span></code></p></li>
</ul>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><a class="reference external" href="https://www.php.net/manual/function.imagebmp">php.net: <code class="docutils literal notranslate"><span class="pre">\imagebmp()</span></code></a></p></li>
<li><p><a class="reference external" href="https://www.php.net/manual/function.imagejpeg">php.net: <code class="docutils literal notranslate"><span class="pre">\imagejpeg()</span></code></a></p></li>
<li><p><a class="reference external" href="https://www.php.net/manual/function.imagepng">php.net: <code class="docutils literal notranslate"><span class="pre">\imagepng()</span></code></a></p></li>
<li><p><a class="reference external" href="https://www.php.net/manual/function.imagewebp">php.net: <code class="docutils literal notranslate"><span class="pre">\imagewebp()</span></code></a></p></li>
<li><p><a class="reference external" href="https://www.php.net/manual/imagick.setimagecompressionquality">php.net: <code class="docutils literal notranslate"><span class="pre">\Imagick::setImageCompressionQuality()</span></code></a></p></li>
</ul>
</section>
<section id="imagickformat">
<h2>imagickFormat<a class="headerlink" href="#imagickformat" title="Link to this heading"></a></h2>
<p>Imagick output format</p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><a class="reference external" href="https://www.php.net/manual/imagick.setimageformat">php.net: <code class="docutils literal notranslate"><span class="pre">\Imagick::setImageFormat()</span></code></a></p></li>
<li><p><a class="reference external" href="https://www.imagemagick.org/script/formats.php">www.imagemagick.org/script/formats.php</a></p></li>
</ul>
</section>
<section id="cssclass">
<h2>cssClass<a class="headerlink" href="#cssclass" title="Link to this heading"></a></h2>
<p>A common css class</p>
</section>
<section id="markupdark">
<h2>markupDark<a class="headerlink" href="#markupdark" title="Link to this heading"></a></h2>
<p>Markup substitute for dark (CSS value)</p>
</section>
<section id="markuplight">
<h2>markupLight<a class="headerlink" href="#markuplight" title="Link to this heading"></a></h2>
<p>Markup substitute for light (CSS value)</p>
</section>
<section id="svgaddxmlheader">
<h2>svgAddXmlHeader<a class="headerlink" href="#svgaddxmlheader" title="Link to this heading"></a></h2>
<p>Whether to add an XML header line or not, e.g. to embed the SVG directly in HTML</p>
<p><code class="docutils literal notranslate"><span class="pre">&lt;?xml</span> <span class="pre">version=&quot;1.0&quot;</span> <span class="pre">encoding=&quot;UTF-8&quot;?&gt;</span></code></p>
</section>
<section id="svgopacity">
<h2>svgOpacity<a class="headerlink" href="#svgopacity" title="Link to this heading"></a></h2>
<p>SVG path opacity</p>
<p>Sets the value for the SVG “fill-opacity” on a <code class="docutils literal notranslate"><span class="pre">&lt;path&gt;</span></code> element. Only in effect when non-empty values
for <code class="docutils literal notranslate"><span class="pre">QROptions::$markupDark</span></code> and <code class="docutils literal notranslate"><span class="pre">QROptions::$markupLight</span></code> are given.
The opacity value is the same for all paths - please use CSS for more sophisticated implementations.</p>
</section>
<section id="svgdefs">
<h2>svgDefs<a class="headerlink" href="#svgdefs" title="Link to this heading"></a></h2>
<p>Anything in the SVG <code class="docutils literal notranslate"><span class="pre">&lt;defs&gt;</span></code> tag</p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><a class="reference external" href="https://developer.mozilla.org/en-US/docs/Web/SVG/Element/defs">developer.mozilla.org/en-US/docs/Web/SVG/Element/defs</a></p></li>
</ul>
</section>
<section id="svgpreserveaspectratio">
<h2>svgPreserveAspectRatio<a class="headerlink" href="#svgpreserveaspectratio" title="Link to this heading"></a></h2>
<p>Sets the value for the “preserveAspectRatio” on the <code class="docutils literal notranslate"><span class="pre">&lt;svg&gt;</span></code> element</p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><a class="reference external" href="https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/preserveAspectRatio">developer.mozilla.org/en-US/docs/Web/SVG/Attribute/preserveAspectRatio</a></p></li>
</ul>
</section>
<section id="textdark">
<h2>textDark<a class="headerlink" href="#textdark" title="Link to this heading"></a></h2>
<p>String substitute for dark</p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><a class="reference external" href="https://en.wikipedia.org/wiki/Block_Elements">en.wikipedia.org/wiki/Block_Elements</a></p></li>
<li><p><a class="reference external" href="https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit">en.wikipedia.org/wiki/ANSI_escape_code#8-bit</a></p></li>
</ul>
</section>
<section id="textlight">
<h2>textLight<a class="headerlink" href="#textlight" title="Link to this heading"></a></h2>
<p>String substitute for light</p>
</section>
<section id="textlinestart">
<h2>textLineStart<a class="headerlink" href="#textlinestart" title="Link to this heading"></a></h2>
<p>An optional line prefix, e.g. empty space to align the QR Code in a console</p>
</section>
<section id="jsonasbooleans">
<h2>jsonAsBooleans<a class="headerlink" href="#jsonasbooleans" title="Link to this heading"></a></h2>
<p>Whether to return matrix values in JSON as booleans or <code class="docutils literal notranslate"><span class="pre">$M_TYPE</span></code> integers</p>
</section>
<section id="fpdfmeasureunit">
<h2>fpdfMeasureUnit<a class="headerlink" href="#fpdfmeasureunit" title="Link to this heading"></a></h2>
<p>Measurement unit for <code class="docutils literal notranslate"><span class="pre">FPDF</span></code> output: <code class="docutils literal notranslate"><span class="pre">pt</span></code>, <code class="docutils literal notranslate"><span class="pre">mm</span></code>, <code class="docutils literal notranslate"><span class="pre">cm</span></code>, <code class="docutils literal notranslate"><span class="pre">in</span></code> (default: <code class="docutils literal notranslate"><span class="pre">pt</span></code>)</p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">FPDF::__construct()</span></code></p></li>
</ul>
</section>
<section id="readeruseimagickifavailable">
<h2>readerUseImagickIfAvailable<a class="headerlink" href="#readeruseimagickifavailable" title="Link to this heading"></a></h2>
<p>Use Imagick (if available) when reading QR Codes</p>
</section>
<section id="readergrayscale">
<h2>readerGrayscale<a class="headerlink" href="#readergrayscale" title="Link to this heading"></a></h2>
<p>Grayscale the image before reading</p>
</section>
<section id="readerincreasecontrast">
<h2>readerIncreaseContrast<a class="headerlink" href="#readerincreasecontrast" title="Link to this heading"></a></h2>
<p>Increase the contrast before reading</p>
<p>note that applying contrast works different in GD and Imagick, so mileage may vary</p>
</section>
</section>


           </div>
          </div>
          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
        <a href="Advanced-usage.html" class="btn btn-neutral float-left" title="Advanced usage" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
        <a href="../Customizing/Module-Values.html" class="btn btn-neutral float-right" title="Module values" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
    </div>

  <hr/>

  <div role="contentinfo">
    <p>&#169; Copyright 2023, smiley.</p>
  </div>

   
</footer>
        </div>
      </div>
    </section>
  </div>
  <script>
      jQuery(function () {
          SphinxRtdTheme.Navigation.enable(true);
      });
  </script> 

</body>
</html>