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php-qrcode/Built-In-Output-QRGdImage.html
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<title>QRGdImage &mdash; PHP-QRCode main
Manual</title>
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<link rel="next" title="QRImagick" href="Built-In-Output-QRImagick.html" />
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PHP-QRCode
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<p class="caption" role="heading"><span class="caption-text">Usage</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="Usage-Overview.html">Overview</a><ul>
<li class="toctree-l2"><a class="reference internal" href="Usage-Overview.html#features">Features</a></li>
<li class="toctree-l2"><a class="reference internal" href="Usage-Overview.html#requirements">Requirements</a></li>
<li class="toctree-l2"><a class="reference internal" href="Usage-Overview.html#framework-integration">Framework Integration</a></li>
<li class="toctree-l2"><a class="reference internal" href="Usage-Overview.html#shameless-advertising">Shameless advertising</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="Usage-Installation.html">Installation</a><ul>
<li class="toctree-l2"><a class="reference internal" href="Usage-Installation.html#installation-with-composer">Installation with Composer</a><ul>
<li class="toctree-l3"><a class="reference internal" href="Usage-Installation.html#composer-json">composer.json</a><ul>
<li class="toctree-l4"><a class="reference internal" href="Usage-Installation.html#version-switch">Version switch</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="Usage-Installation.html#terminal">Terminal</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="Usage-Installation.html#manual-installation">Manual installation</a><ul>
<li class="toctree-l3"><a class="reference internal" href="Usage-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="Usage-Installation.html#supported-php-versions-extension-requirements">Supported PHP versions &amp; extension requirements</a></li>
<li class="toctree-l2"><a class="reference internal" href="Usage-Installation.html#imagemagick">ImageMagick</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="Usage-Quickstart.html">Quickstart</a><ul>
<li class="toctree-l2"><a class="reference internal" href="Usage-Quickstart.html#import-the-library">Import the library</a></li>
<li class="toctree-l2"><a class="reference internal" href="Usage-Quickstart.html#create-your-first-qr-code">Create your first QR Code</a><ul>
<li class="toctree-l3"><a class="reference internal" href="Usage-Quickstart.html#configuration">Configuration</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="Usage-Quickstart.html#reading-qr-codes">Reading QR Codes</a></li>
<li class="toctree-l2"><a class="reference internal" href="Usage-Quickstart.html#notes">Notes</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="Usage-Advanced-usage.html">Advanced usage</a><ul>
<li class="toctree-l2"><a class="reference internal" href="Usage-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="Usage-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="Usage-Advanced-usage.html#load-and-save-json">Load and save JSON</a></li>
<li class="toctree-l3"><a class="reference internal" href="Usage-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="Usage-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="Usage-Advanced-usage.html#save-to-file">Save to file</a></li>
<li class="toctree-l3"><a class="reference internal" href="Usage-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="Usage-Advanced-usage.html#mixed-mode">Mixed mode</a></li>
<li class="toctree-l3"><a class="reference internal" href="Usage-Advanced-usage.html#qr-code-reader">QR Code reader</a></li>
</ul>
</li>
</ul>
</li>
</ul>
<p class="caption" role="heading"><span class="caption-text">Built-In Output Modules</span></p>
<ul class="current">
<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#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#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 current"><a class="current reference internal" href="#">QRGdImage</a><ul>
<li class="toctree-l2"><a class="reference internal" href="#options-that-affect-this-module">Options that affect this module</a><ul>
<li class="toctree-l3"><a class="reference internal" href="#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#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#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#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#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">Public API</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="API-QRCode.html">QRCode</a><ul>
<li class="toctree-l2"><a class="reference internal" href="API-QRCode.html#methods">Methods</a><ul>
<li class="toctree-l3"><a class="reference internal" href="API-QRCode.html#deprecated-methods">Deprecated methods</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="API-QRCode.html#constants">Constants</a><ul>
<li class="toctree-l3"><a class="reference internal" href="API-QRCode.html#deprecated-constants">Deprecated constants</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="API-QROptions.html">QROptions</a><ul>
<li class="toctree-l2"><a class="reference internal" href="API-QROptions.html#methods">Methods</a></li>
<li class="toctree-l2"><a class="reference internal" href="API-QROptions.html#properties">Properties</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="API-QROutputInterface.html">QROutputInterface</a><ul>
<li class="toctree-l2"><a class="reference internal" href="API-QROutputInterface.html#methods">Methods</a></li>
<li class="toctree-l2"><a class="reference internal" href="API-QROutputInterface.html#constants">Constants</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="API-QRMatrix.html">QRMatrix</a><ul>
<li class="toctree-l2"><a class="reference internal" href="API-QRMatrix.html#methods">Methods</a><ul>
<li class="toctree-l3"><a class="reference internal" href="API-QRMatrix.html#deprecated-methods">Deprecated methods</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="API-QRMatrix.html#constants">Constants</a></li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="API-DecoderResult.html">DecoderResult</a><ul>
<li class="toctree-l2"><a class="reference internal" href="API-DecoderResult.html#methods">Methods</a></li>
<li class="toctree-l2"><a class="reference internal" href="API-DecoderResult.html#magic-properties-read-only">Magic Properties (read-only)</a></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-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-License.html">License</a></li>
</ul>
</div>
</div>
</nav>
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<a href="index.html">PHP-QRCode</a>
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<ul class="wy-breadcrumbs">
<li><a href="index.html" class="icon icon-home" aria-label="Home"></a></li>
<li class="breadcrumb-item active">QRGdImage</li>
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<section id="qrgdimage">
<h1>QRGdImage<a class="headerlink" href="#qrgdimage" title="Permalink to this heading"></a></h1>
<p><a class="reference external" href="https://github.com/chillerlan/php-qrcode/blob/main/src/Output/QRGdImage.php">Class <code class="docutils literal notranslate"><span class="pre">QRGdImage</span></code></a>: <a class="reference external" href="https://www.php.net/manual/book.image">GdImage</a> raster graphic output (GIF, JPG, PNG)</p>
<section id="options-that-affect-this-module">
<h2>Options that affect this module<a class="headerlink" href="#options-that-affect-this-module" title="Permalink to this heading"></a></h2>
<table class="docutils align-default">
<thead>
<tr class="row-odd"><th class="head"><p>property</p></th>
<th class="head"><p>type</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">$returnResource</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">bool</span></code></p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">$imageBase64</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">bool</span></code></p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">$bgColor</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">mixed</span></code></p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">$drawLightModules</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">bool</span></code></p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">$drawCircularModules</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">bool</span></code></p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">$circleRadius</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">float</span></code></p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">$keepAsSquare</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">array</span></code></p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">$scale</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">int</span></code></p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">$imageTransparent</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">bool</span></code></p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">$transparencyColor</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">mixed</span></code></p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">$pngCompression</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">int</span></code></p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">$jpegQuality</span></code></p></td>
<td><p><code class="docutils literal notranslate"><span class="pre">int</span></code></p></td>
</tr>
</tbody>
</table>
<section id="options-that-have-no-effect">
<h3>Options that have no effect<a class="headerlink" href="#options-that-have-no-effect" title="Permalink to this heading"></a></h3>
<table class="docutils align-default">
<thead>
<tr class="row-odd"><th class="head"><p>property</p></th>
<th class="head"><p>reason</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">$connectPaths</span></code></p></td>
<td><p>N/A</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">$excludeFromConnect</span></code></p></td>
<td><p>N/A</p></td>
</tr>
</tbody>
</table>
</section>
</section>
</section>
</div>
</div>
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