mrkad
/
php-qrcode
spegling av https://github.com/chillerlan/php-qrcode.git


			
							12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004
							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
            <title>Documentation</title>
    
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <base href="../">
    <link rel="icon" href="images/favicon.ico"/>
    <link rel="stylesheet" href="css/normalize.css">
    <link rel="stylesheet" href="css/base.css">
            <link rel="preconnect" href="https://fonts.gstatic.com">
        <link href="https://fonts.googleapis.com/css2?family=Open+Sans:wght@100;200;300;400;600;700&display=swap" rel="stylesheet">
        <link href="https://fonts.googleapis.com/css2?family=Source+Code+Pro:wght@400;600;700&display=swap" rel="stylesheet">
        <link rel="stylesheet" href="css/template.css">
        <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.12.0/css/all.min.css" integrity="sha256-ybRkN9dBjhcS2qrW1z+hfCxq+1aBdwyQM5wlQoQVt/0=" crossorigin="anonymous" />
        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/themes/prism-okaidia.css">
        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/line-numbers/prism-line-numbers.css">
        <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/line-highlight/prism-line-highlight.css">
                <script src="https://cdn.jsdelivr.net/npm/fuse.js@3.4.6"></script>
        <script src="https://cdn.jsdelivr.net/npm/css-vars-ponyfill@2"></script>
        <script src="js/template.js"></script>
        <script src="js/search.js"></script>
        <script defer src="js/searchIndex.js"></script>
    </head>
<body id="top">
    <header class="phpdocumentor-header phpdocumentor-section">
    <h1 class="phpdocumentor-title"><a href="" class="phpdocumentor-title__link">Documentation</a></h1>
    <input class="phpdocumentor-header__menu-button" type="checkbox" id="menu-button" name="menu-button" />
    <label class="phpdocumentor-header__menu-icon" for="menu-button">
        <i class="fas fa-bars"></i>
    </label>
    <section data-search-form class="phpdocumentor-search">
    <label>
        <span class="visually-hidden">Search for</span>
        <svg class="phpdocumentor-search__icon" width="21" height="20" viewBox="0 0 21 20" fill="none" xmlns="http://www.w3.org/2000/svg">
            <circle cx="7.5" cy="7.5" r="6.5" stroke="currentColor" stroke-width="2"/>
            <line x1="12.4892" y1="12.2727" x2="19.1559" y2="18.9393" stroke="currentColor" stroke-width="3"/>
        </svg>
        <input type="search" class="phpdocumentor-field phpdocumentor-search__field" placeholder="Loading .." disabled />
    </label>
</section>

    <nav class="phpdocumentor-topnav">
    <ul class="phpdocumentor-topnav__menu">
                        <li class="phpdocumentor-topnav__menu-item -menu">
                <a href="https://php-qrcode.readthedocs.io">
                    <span>
                                                                        User Manual
                    </span>
                </a>
            </li>
                                <li class="phpdocumentor-topnav__menu-item -social">
                <a href="https://github.com/chillerlan/php-qrcode">
                    <span>
                                                                        <i class="fab fa-github"></i>
                                                
                    </span>
                </a>
            </li>
                </ul>
</nav>
</header>

    <main class="phpdocumentor">
        <div class="phpdocumentor-section">
            <input class="phpdocumentor-sidebar__menu-button" type="checkbox" id="sidebar-button" name="sidebar-button" />
<label class="phpdocumentor-sidebar__menu-icon" for="sidebar-button">
    Menu
</label>
<aside class="phpdocumentor-column -three phpdocumentor-sidebar">
                    <section class="phpdocumentor-sidebar__category">
            <h2 class="phpdocumentor-sidebar__category-header">Namespaces</h2>
                                    <h4 class="phpdocumentor-sidebar__root-namespace">
    <a href="namespaces/chillerlan.html" class="">chillerlan</a>
</h4>
    <ul class="phpdocumentor-list">
                    <li>
                <a href="namespaces/chillerlan-qrcode.html" class="">QRCode</a>
                
            </li>
                    <li>
                <a href="namespaces/chillerlan-qrcodetest.html" class="">QRCodeTest</a>
                
            </li>
            </ul>

                                    <h4 class="phpdocumentor-sidebar__root-namespace">
    <a href="namespaces/output.html" class="">Output</a>
</h4>

                        </section>
                <section class="phpdocumentor-sidebar__category">
            <h2 class="phpdocumentor-sidebar__category-header">Packages</h2>
                                    <h4 class="phpdocumentor-sidebar__root-namespace">
    <a href="packages/Application.html" class="">Application</a>
</h4>

                        </section>
            
    <section class="phpdocumentor-sidebar__category">
        <h2 class="phpdocumentor-sidebar__category-header">Reports</h2>
                <h3 class="phpdocumentor-sidebar__root-package"><a href="reports/deprecated.html">Deprecated</a></h3>
        <h3 class="phpdocumentor-sidebar__root-package"><a href="reports/errors.html">Errors</a></h3>
        <h3 class="phpdocumentor-sidebar__root-package"><a href="reports/markers.html">Markers</a></h3>
    </section>

    <section class="phpdocumentor-sidebar__category">
        <h2 class="phpdocumentor-sidebar__category-header">Indices</h2>
        <h3 class="phpdocumentor-sidebar__root-package"><a href="indices/files.html">Files</a></h3>
    </section>
</aside>

            <div class="phpdocumentor-column -nine phpdocumentor-content">
                                <section>
                                        <ul class="phpdocumentor-breadcrumbs">
            <li class="phpdocumentor-breadcrumb"><a href="namespaces/chillerlan.html">chillerlan</a></li>
            <li class="phpdocumentor-breadcrumb"><a href="namespaces/chillerlan-qrcode.html">QRCode</a></li>
            <li class="phpdocumentor-breadcrumb"><a href="namespaces/chillerlan-qrcode-common.html">Common</a></li>
    </ul>

    <article class="phpdocumentor-element -class">
        <h2 class="phpdocumentor-content__title">
    LuminanceSourceAbstract

    
            <div class="phpdocumentor-element__package">
            in package
            <ul class="phpdocumentor-breadcrumbs">
                                    <li class="phpdocumentor-breadcrumb"><a href="packages/Application.html">Application</a></li>
                            </ul>
        </div>
    
            <span class="phpdocumentor-element__implements">
            implements
                            <a href="classes/chillerlan-QRCode-Common-LuminanceSourceInterface.html"><abbr title="\chillerlan\QRCode\Common\LuminanceSourceInterface">LuminanceSourceInterface</abbr></a>                    </span>
    
    </h2>

<div class="phpdocumentor-label-line">


    <div class="phpdocumentor-label phpdocumentor-label--success"><span>Abstract</span><span>Yes</span></div>

</div>

        <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/LuminanceSourceAbstract.php"><a href="files/src-common-luminancesourceabstract.html"><abbr title="src/Common/LuminanceSourceAbstract.php">LuminanceSourceAbstract.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">26</span>

    </aside>

            <p class="phpdocumentor-summary">The purpose of this class hierarchy is to abstract different bitmap implementations across
platforms into a standard interface for requesting greyscale luminance values.</p>


    <h5 class="phpdocumentor-tag-list__heading" id="tags">
        Tags
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#tags" class="headerlink"><i class="fas fa-link"></i></a>

    </h5>
    <dl class="phpdocumentor-tag-list">
                                    <dt class="phpdocumentor-tag-list__entry">
                    <span class="phpdocumentor-tag__name">author</span>
                </dt>
                <dd class="phpdocumentor-tag-list__definition">
                                                                                
                                                 <section class="phpdocumentor-description"><p>dswitkin@google.com (Daniel Switkin)</p>
</section>

                                    </dd>
                                            </dl>


<h3 id="toc">
    Table of Contents
    <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#toc" class="headerlink"><i class="fas fa-link"></i></a>

</h3>


    <h4 id="toc-interfaces">
        Interfaces
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#toc-interfaces" class="headerlink"><i class="fas fa-link"></i></a>

    </h4>
    <dl class="phpdocumentor-table-of-contents">
                    <dt class="phpdocumentor-table-of-contents__entry -interface"><a href="classes/chillerlan-QRCode-Common-LuminanceSourceInterface.html"><abbr title="\chillerlan\QRCode\Common\LuminanceSourceInterface">LuminanceSourceInterface</abbr></a></dt>    </dl>


<h4 id="toc-properties">
    Properties
    <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#toc-properties" class="headerlink"><i class="fas fa-link"></i></a>

</h4>
<dl class="phpdocumentor-table-of-contents">
            <dt class="phpdocumentor-table-of-contents__entry -property -protected">
    <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#property_height">$height</a>
    <span>
                        &nbsp;: int            </span>
</dt>

            <dt class="phpdocumentor-table-of-contents__entry -property -protected">
    <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#property_luminances">$luminances</a>
    <span>
                        &nbsp;: array&lt;string|int, mixed&gt;            </span>
</dt>

            <dt class="phpdocumentor-table-of-contents__entry -property -protected">
    <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#property_options">$options</a>
    <span>
                        &nbsp;: <abbr title="\chillerlan\Settings\SettingsContainerInterface">SettingsContainerInterface</abbr>|<a href="classes/chillerlan-QRCode-QROptions.html"><abbr title="\chillerlan\QRCode\QROptions">QROptions</abbr></a>            </span>
</dt>

            <dt class="phpdocumentor-table-of-contents__entry -property -protected">
    <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#property_width">$width</a>
    <span>
                        &nbsp;: int            </span>
</dt>

    </dl>

<h4 id="toc-methods">
    Methods
    <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#toc-methods" class="headerlink"><i class="fas fa-link"></i></a>

</h4>
<dl class="phpdocumentor-table-of-contents">
            <dt class="phpdocumentor-table-of-contents__entry -method -public">
    <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method___construct">__construct()</a>
    <span>
                                &nbsp;: mixed    </span>
</dt>

            <dt class="phpdocumentor-table-of-contents__entry -method -public">
    <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getHeight">getHeight()</a>
    <span>
                                &nbsp;: int    </span>
</dt>

            <dt class="phpdocumentor-table-of-contents__entry -method -public">
    <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getLuminances">getLuminances()</a>
    <span>
                                &nbsp;: array&lt;string|int, mixed&gt;    </span>
</dt>
<dd>Fetches luminance data for the underlying bitmap. Values should be fetched using:
`int luminance = array[y * width + x] &amp; 0xff`</dd>

            <dt class="phpdocumentor-table-of-contents__entry -method -public">
    <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getRow">getRow()</a>
    <span>
                                &nbsp;: array&lt;string|int, mixed&gt;    </span>
</dt>
<dd>Fetches one row of luminance data from the underlying platform&#039;s bitmap. Values range from
0 (black) to 255 (white). Because Java does not have an unsigned byte type, callers will have
to bitwise and with 0xff for each value. It is preferable for implementations of this method
to only fetch this row rather than the whole image, since no 2D Readers may be installed and
getLuminances() may never be called.</dd>

            <dt class="phpdocumentor-table-of-contents__entry -method -public">
    <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getWidth">getWidth()</a>
    <span>
                                &nbsp;: int    </span>
</dt>

            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
    <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_checkFile">checkFile()</a>
    <span>
                                &nbsp;: string    </span>
</dt>

            <dt class="phpdocumentor-table-of-contents__entry -method -protected">
    <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_setLuminancePixel">setLuminancePixel()</a>
    <span>
                                &nbsp;: void    </span>
</dt>

    </dl>


    <section class="phpdocumentor-properties">
        <h3 class="phpdocumentor-elements__header" id="properties">
            Properties
            <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#properties" class="headerlink"><i class="fas fa-link"></i></a>

        </h3>
                    <article
        class="
            phpdocumentor-element
            -property
            -protected
                                                        "
>
    <h4 class="phpdocumentor-element__name" id="property_height">
        $height
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#property_height" class="headerlink"><i class="fas fa-link"></i></a>

        <span class="phpdocumentor-element__modifiers">
                                </span>
    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/LuminanceSourceAbstract.php"><a href="files/src-common-luminancesourceabstract.html"><abbr title="src/Common/LuminanceSourceAbstract.php">LuminanceSourceAbstract.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">31</span>

    </aside>

    
    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">protected</span>
        <span class="phpdocumentor-signature__type">int</span>
    <span class="phpdocumentor-signature__name">$height</span>
    </code>

    
</article>
                    <article
        class="
            phpdocumentor-element
            -property
            -protected
                                                        "
>
    <h4 class="phpdocumentor-element__name" id="property_luminances">
        $luminances
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#property_luminances" class="headerlink"><i class="fas fa-link"></i></a>

        <span class="phpdocumentor-element__modifiers">
                                </span>
    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/LuminanceSourceAbstract.php"><a href="files/src-common-luminancesourceabstract.html"><abbr title="src/Common/LuminanceSourceAbstract.php">LuminanceSourceAbstract.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">29</span>

    </aside>

    
    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">protected</span>
        <span class="phpdocumentor-signature__type">array&lt;string|int, mixed&gt;</span>
    <span class="phpdocumentor-signature__name">$luminances</span>
    </code>

    
</article>
                    <article
        class="
            phpdocumentor-element
            -property
            -protected
                                                        "
>
    <h4 class="phpdocumentor-element__name" id="property_options">
        $options
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#property_options" class="headerlink"><i class="fas fa-link"></i></a>

        <span class="phpdocumentor-element__modifiers">
                                </span>
    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/LuminanceSourceAbstract.php"><a href="files/src-common-luminancesourceabstract.html"><abbr title="src/Common/LuminanceSourceAbstract.php">LuminanceSourceAbstract.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">28</span>

    </aside>

    
    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">protected</span>
        <span class="phpdocumentor-signature__type"><abbr title="\chillerlan\Settings\SettingsContainerInterface">SettingsContainerInterface</abbr>|<a href="classes/chillerlan-QRCode-QROptions.html"><abbr title="\chillerlan\QRCode\QROptions">QROptions</abbr></a></span>
    <span class="phpdocumentor-signature__name">$options</span>
    </code>

    
</article>
                    <article
        class="
            phpdocumentor-element
            -property
            -protected
                                                        "
>
    <h4 class="phpdocumentor-element__name" id="property_width">
        $width
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#property_width" class="headerlink"><i class="fas fa-link"></i></a>

        <span class="phpdocumentor-element__modifiers">
                                </span>
    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/LuminanceSourceAbstract.php"><a href="files/src-common-luminancesourceabstract.html"><abbr title="src/Common/LuminanceSourceAbstract.php">LuminanceSourceAbstract.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">30</span>

    </aside>

    
    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">protected</span>
        <span class="phpdocumentor-signature__type">int</span>
    <span class="phpdocumentor-signature__name">$width</span>
    </code>

    
</article>
            </section>

            <section class="phpdocumentor-methods">
        <h3 class="phpdocumentor-elements__header" id="methods">
            Methods
            <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#methods" class="headerlink"><i class="fas fa-link"></i></a>

        </h3>
                    <article
        class="phpdocumentor-element
            -method
            -public
                                                        "
>
    <h4 class="phpdocumentor-element__name" id="method___construct">
        __construct()
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method___construct" class="headerlink"><i class="fas fa-link"></i></a>

    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/LuminanceSourceAbstract.php"><a href="files/src-common-luminancesourceabstract.html"><abbr title="src/Common/LuminanceSourceAbstract.php">LuminanceSourceAbstract.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">36</span>

    </aside>

    
    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">public</span>
                    <span class="phpdocumentor-signature__name">__construct</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$width</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$height</span></span><span class="phpdocumentor-signature__argument"><span>[</span><span>, </span><span class="phpdocumentor-signature__argument__return-type"><abbr title="\chillerlan\Settings\SettingsContainerInterface">SettingsContainerInterface</abbr>|<a href="classes/chillerlan-QRCode-QROptions.html"><abbr title="\chillerlan\QRCode\QROptions">QROptions</abbr></a>&nbsp;</span><span class="phpdocumentor-signature__argument__name">$options</span><span> = </span><span class="phpdocumentor-signature__argument__default-value">new QROptions()</span><span> ]</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">mixed</span></code>

    <div class="phpdocumentor-label-line">
        </div>
    
        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    <dl class="phpdocumentor-argument-list">
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$width</span>
                : <span class="phpdocumentor-signature__argument__return-type">int</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                
            </dd>
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$height</span>
                : <span class="phpdocumentor-signature__argument__return-type">int</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                
            </dd>
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$options</span>
                : <span class="phpdocumentor-signature__argument__return-type"><abbr title="\chillerlan\Settings\SettingsContainerInterface">SettingsContainerInterface</abbr>|<a href="classes/chillerlan-QRCode-QROptions.html"><abbr title="\chillerlan\QRCode\QROptions">QROptions</abbr></a></span>
                 = <span class="phpdocumentor-signature__argument__default-value">new QROptions()</span>            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                
            </dd>
            </dl>

    
</article>
                    <article
        class="phpdocumentor-element
            -method
            -public
                                                        "
>
    <h4 class="phpdocumentor-element__name" id="method_getHeight">
        getHeight()
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getHeight" class="headerlink"><i class="fas fa-link"></i></a>

    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/LuminanceSourceAbstract.php"><a href="files/src-common-luminancesourceabstract.html"><abbr title="src/Common/LuminanceSourceAbstract.php">LuminanceSourceAbstract.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">55</span>

    </aside>

    
    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">public</span>
                    <span class="phpdocumentor-signature__name">getHeight</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">int</span></code>

    <div class="phpdocumentor-label-line">
        </div>
    
    
    <h5 class="phpdocumentor-tag-list__heading" id="tags">
        Tags
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getHeight#tags" class="headerlink"><i class="fas fa-link"></i></a>

    </h5>
    <dl class="phpdocumentor-tag-list">
                                    <dt class="phpdocumentor-tag-list__entry">
                    <span class="phpdocumentor-tag__name">inheritDoc</span>
                </dt>
                <dd class="phpdocumentor-tag-list__definition">
                                                                                
                                             
                                    </dd>
                                            </dl>

            <section>
        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
        <span class="phpdocumentor-signature__response_type">int</span>
                    &mdash;
                <section class="phpdocumentor-description"><p>The height of the bitmap.</p>
</section>

            </section>

</article>
                    <article
        class="phpdocumentor-element
            -method
            -public
                                                        "
>
    <h4 class="phpdocumentor-element__name" id="method_getLuminances">
        getLuminances()
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getLuminances" class="headerlink"><i class="fas fa-link"></i></a>

    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/LuminanceSourceAbstract.php"><a href="files/src-common-luminancesourceabstract.html"><abbr title="src/Common/LuminanceSourceAbstract.php">LuminanceSourceAbstract.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">45</span>

    </aside>

        <p class="phpdocumentor-summary">Fetches luminance data for the underlying bitmap. Values should be fetched using:
`int luminance = array[y * width + x] &amp; 0xff`</p>

    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">public</span>
                    <span class="phpdocumentor-signature__name">getLuminances</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">array&lt;string|int, mixed&gt;</span></code>

    <div class="phpdocumentor-label-line">
        </div>
    
    
    <h5 class="phpdocumentor-tag-list__heading" id="tags">
        Tags
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getLuminances#tags" class="headerlink"><i class="fas fa-link"></i></a>

    </h5>
    <dl class="phpdocumentor-tag-list">
                                    <dt class="phpdocumentor-tag-list__entry">
                    <span class="phpdocumentor-tag__name">inheritDoc</span>
                </dt>
                <dd class="phpdocumentor-tag-list__definition">
                                                                                
                                             
                                    </dd>
                                            </dl>

            <section>
        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
        <span class="phpdocumentor-signature__response_type">array&lt;string|int, mixed&gt;</span>
                    &mdash;
                <section class="phpdocumentor-description"><p>A row-major 2D array of luminance values. Do not use result $length as it may be
larger than $width * $height bytes on some platforms. Do not modify the contents
of the result.</p>
</section>

            </section>

</article>
                    <article
        class="phpdocumentor-element
            -method
            -public
                                                        "
>
    <h4 class="phpdocumentor-element__name" id="method_getRow">
        getRow()
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getRow" class="headerlink"><i class="fas fa-link"></i></a>

    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/LuminanceSourceAbstract.php"><a href="files/src-common-luminancesourceabstract.html"><abbr title="src/Common/LuminanceSourceAbstract.php">LuminanceSourceAbstract.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">60</span>

    </aside>

        <p class="phpdocumentor-summary">Fetches one row of luminance data from the underlying platform&#039;s bitmap. Values range from
0 (black) to 255 (white). Because Java does not have an unsigned byte type, callers will have
to bitwise and with 0xff for each value. It is preferable for implementations of this method
to only fetch this row rather than the whole image, since no 2D Readers may be installed and
getLuminances() may never be called.</p>

    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">public</span>
                    <span class="phpdocumentor-signature__name">getRow</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$y</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">array&lt;string|int, mixed&gt;</span></code>

    <div class="phpdocumentor-label-line">
        </div>
    
        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    <dl class="phpdocumentor-argument-list">
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$y</span>
                : <span class="phpdocumentor-signature__argument__return-type">int</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                    <section class="phpdocumentor-description"><p>The row to fetch, which must be in [0,getHeight())</p>
</section>

            </dd>
            </dl>

    
    <h5 class="phpdocumentor-tag-list__heading" id="tags">
        Tags
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getRow#tags" class="headerlink"><i class="fas fa-link"></i></a>

    </h5>
    <dl class="phpdocumentor-tag-list">
                                    <dt class="phpdocumentor-tag-list__entry">
                    <span class="phpdocumentor-tag__name">inheritDoc</span>
                </dt>
                <dd class="phpdocumentor-tag-list__definition">
                                                                                
                                             
                                    </dd>
                                            </dl>

            <section>
        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
        <span class="phpdocumentor-signature__response_type">array&lt;string|int, mixed&gt;</span>
                    &mdash;
                <section class="phpdocumentor-description"><p>An array containing the luminance data.</p>
</section>

            </section>

</article>
                    <article
        class="phpdocumentor-element
            -method
            -public
                                                        "
>
    <h4 class="phpdocumentor-element__name" id="method_getWidth">
        getWidth()
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getWidth" class="headerlink"><i class="fas fa-link"></i></a>

    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/LuminanceSourceAbstract.php"><a href="files/src-common-luminancesourceabstract.html"><abbr title="src/Common/LuminanceSourceAbstract.php">LuminanceSourceAbstract.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">50</span>

    </aside>

    
    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">public</span>
                    <span class="phpdocumentor-signature__name">getWidth</span><span>(</span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">int</span></code>

    <div class="phpdocumentor-label-line">
        </div>
    
    
    <h5 class="phpdocumentor-tag-list__heading" id="tags">
        Tags
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getWidth#tags" class="headerlink"><i class="fas fa-link"></i></a>

    </h5>
    <dl class="phpdocumentor-tag-list">
                                    <dt class="phpdocumentor-tag-list__entry">
                    <span class="phpdocumentor-tag__name">inheritDoc</span>
                </dt>
                <dd class="phpdocumentor-tag-list__definition">
                                                                                
                                             
                                    </dd>
                                            </dl>

            <section>
        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
        <span class="phpdocumentor-signature__response_type">int</span>
                    &mdash;
                <section class="phpdocumentor-description"><p>The width of the bitmap.</p>
</section>

            </section>

</article>
                    <article
        class="phpdocumentor-element
            -method
            -protected
                                    -static                    "
>
    <h4 class="phpdocumentor-element__name" id="method_checkFile">
        checkFile()
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_checkFile" class="headerlink"><i class="fas fa-link"></i></a>

    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/LuminanceSourceAbstract.php"><a href="files/src-common-luminancesourceabstract.html"><abbr title="src/Common/LuminanceSourceAbstract.php">LuminanceSourceAbstract.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">87</span>

    </aside>

    
    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">protected</span>
            <span class="phpdocumentor-signature__static">static</span>        <span class="phpdocumentor-signature__name">checkFile</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">string&nbsp;</span><span class="phpdocumentor-signature__argument__name">$path</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">string</span></code>

    <div class="phpdocumentor-label-line">
        </div>
    
        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    <dl class="phpdocumentor-argument-list">
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$path</span>
                : <span class="phpdocumentor-signature__argument__return-type">string</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                
            </dd>
            </dl>

    
    <h5 class="phpdocumentor-tag-list__heading" id="tags">
        Tags
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_checkFile#tags" class="headerlink"><i class="fas fa-link"></i></a>

    </h5>
    <dl class="phpdocumentor-tag-list">
                                    <dt class="phpdocumentor-tag-list__entry">
                    <span class="phpdocumentor-tag__name">throws</span>
                </dt>
                <dd class="phpdocumentor-tag-list__definition">
                                                                <span class="phpdocumentor-tag-link"><a href="classes/chillerlan-QRCode-Decoder-QRCodeDecoderException.html"><abbr title="\chillerlan\QRCode\Decoder\QRCodeDecoderException">QRCodeDecoderException</abbr></a></span>
                                                            
                                             
                                    </dd>
                                            </dl>

            <section>
        <h5 class="phpdocumentor-return-value__heading">Return values</h5>
        <span class="phpdocumentor-signature__response_type">string</span>
            </section>

</article>
                    <article
        class="phpdocumentor-element
            -method
            -protected
                                                        "
>
    <h4 class="phpdocumentor-element__name" id="method_setLuminancePixel">
        setLuminancePixel()
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_setLuminancePixel" class="headerlink"><i class="fas fa-link"></i></a>

    </h4>
    <aside class="phpdocumentor-element-found-in">
    <abbr class="phpdocumentor-element-found-in__file" title="src/Common/LuminanceSourceAbstract.php"><a href="files/src-common-luminancesourceabstract.html"><abbr title="src/Common/LuminanceSourceAbstract.php">LuminanceSourceAbstract.php</abbr></a></abbr>
    :
    <span class="phpdocumentor-element-found-in__line">76</span>

    </aside>

    
    <code class="phpdocumentor-code phpdocumentor-signature ">
    <span class="phpdocumentor-signature__visibility">protected</span>
                    <span class="phpdocumentor-signature__name">setLuminancePixel</span><span>(</span><span class="phpdocumentor-signature__argument"><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$r</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$g</span></span><span class="phpdocumentor-signature__argument"><span>, </span><span class="phpdocumentor-signature__argument__return-type">int&nbsp;</span><span class="phpdocumentor-signature__argument__name">$b</span></span><span>)</span><span> : </span><span class="phpdocumentor-signature__response_type">void</span></code>

    <div class="phpdocumentor-label-line">
        </div>
    
        <h5 class="phpdocumentor-argument-list__heading">Parameters</h5>
    <dl class="phpdocumentor-argument-list">
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$r</span>
                : <span class="phpdocumentor-signature__argument__return-type">int</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                
            </dd>
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$g</span>
                : <span class="phpdocumentor-signature__argument__return-type">int</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                
            </dd>
                    <dt class="phpdocumentor-argument-list__entry">
                <span class="phpdocumentor-signature__argument__name">$b</span>
                : <span class="phpdocumentor-signature__argument__return-type">int</span>
                            </dt>
            <dd class="phpdocumentor-argument-list__definition">
                
            </dd>
            </dl>

    
</article>
            </section>

        <div class="phpdocumentor-modal" id="source-view">
    <div class="phpdocumentor-modal-bg" data-exit-button></div>
    <div class="phpdocumentor-modal-container">
        <div class="phpdocumentor-modal-content">
            <pre style="max-height: 500px; overflow-y: scroll" data-src="files/src/Common/LuminanceSourceAbstract.php.txt" class="language-php line-numbers linkable-line-numbers"></pre>
        </div>
        <button data-exit-button class="phpdocumentor-modal__close">&times;</button>
    </div>
</div>

    <script type="text/javascript">
        (function () {
            function loadExternalCodeSnippet(el, url, line) {
                Array.prototype.slice.call(el.querySelectorAll('pre[data-src]')).forEach((pre) => {
                    const src = url || pre.getAttribute('data-src').replace(/\\/g, '/');
                    const language = 'php';

                    const code = document.createElement('code');
                    code.className = 'language-' + language;
                    pre.textContent = '';
                    pre.setAttribute('data-line', line)
                    code.textContent = 'Loading…';
                    pre.appendChild(code);

                    var xhr = new XMLHttpRequest();

                    xhr.open('GET', src, true);

                    xhr.onreadystatechange = function () {
                        if (xhr.readyState !== 4) {
                            return;
                        }

                        if (xhr.status < 400 && xhr.responseText) {
                            code.textContent = xhr.responseText;
                            Prism.highlightElement(code);
                            return;
                        }

                        if (xhr.status === 404) {
                            code.textContent = '✖ Error: File could not be found';
                            return;
                        }

                        if (xhr.status >= 400) {
                            code.textContent = '✖ Error ' + xhr.status + ' while fetching file: ' + xhr.statusText;
                            return;
                        }

                        code.textContent = '✖ Error: An unknown error occurred';
                    };

                    xhr.send(null);
                });
            }

            const modalButtons = document.querySelectorAll("[data-modal]");
            const openedAsLocalFile = window.location.protocol === 'file:';
            if (modalButtons.length > 0 && openedAsLocalFile) {
                console.warn(
                    'Viewing the source code is unavailable because you are opening this page from the file:// scheme; ' +
                    'browsers block XHR requests when a page is opened this way'
                );
            }

            modalButtons.forEach(function (trigger) {
                if (openedAsLocalFile) {
                    trigger.setAttribute("hidden", "hidden");
                }

                trigger.addEventListener("click", function (event) {
                    event.preventDefault();
                    const modal = document.getElementById(trigger.dataset.modal);
                    if (!modal) {
                        console.error(`Modal with id "${trigger.dataset.modal}" could not be found`);
                        return;
                    }
                    modal.classList.add("phpdocumentor-modal__open");

                    loadExternalCodeSnippet(modal, trigger.dataset.src || null, trigger.dataset.line)
                    const exits = modal.querySelectorAll("[data-exit-button]");
                    exits.forEach(function (exit) {
                        exit.addEventListener("click", function (event) {
                            event.preventDefault();
                            modal.classList.remove("phpdocumentor-modal__open");
                        });
                    });
                });
            });
        })();
    </script>

    </article>
                                </section>
                <section class="phpdocumentor-on-this-page__sidebar">
                                
    <section class="phpdocumentor-on-this-page__content">
        <strong class="phpdocumentor-on-this-page__title">On this page</strong>

        <ul class="phpdocumentor-list -clean">
            <li class="phpdocumentor-on-this-page-section__title">Table Of Contents</li>
            <li>
                <ul class="phpdocumentor-list -clean">
                                                            <li><a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#toc-properties">Properties</a></li>
                                                            <li><a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#toc-methods">Methods</a></li>
                                    </ul>
            </li>
            
                            <li class="phpdocumentor-on-this-page-section__title">Properties</li>
                <li>
                    <ul class="phpdocumentor-list -clean">
                                                    <li><a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#property_height">$height<a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html"></li>
                                                    <li><a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#property_luminances">$luminances<a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html"></li>
                                                    <li><a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#property_options">$options<a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html"></li>
                                                    <li><a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#property_width">$width<a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html"></li>
                                            </ul>
                </li>
            
                        <li class="phpdocumentor-on-this-page-section__title">Methods</li>
            <li>
                <ul class="phpdocumentor-list -clean">
                                            <li><a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method___construct">__construct()</a></li>
                                            <li><a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getHeight">getHeight()</a></li>
                                            <li><a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getLuminances">getLuminances()</a></li>
                                            <li><a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getRow">getRow()</a></li>
                                            <li><a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_getWidth">getWidth()</a></li>
                                            <li><a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_checkFile">checkFile()</a></li>
                                            <li><a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#method_setLuminancePixel">setLuminancePixel()</a></li>
                                    </ul>
            </li>
                    </ul>
    </section>

                </section>
                            </div>
            <section data-search-results class="phpdocumentor-search-results phpdocumentor-search-results--hidden">
    <section class="phpdocumentor-search-results__dialog">
        <header class="phpdocumentor-search-results__header">
            <h2 class="phpdocumentor-search-results__title">Search results</h2>
            <button class="phpdocumentor-search-results__close"><i class="fas fa-times"></i></button>
        </header>
        <section class="phpdocumentor-search-results__body">
            <ul class="phpdocumentor-search-results__entries"></ul>
        </section>
    </section>
</section>
        </div>
        <a href="classes/chillerlan-QRCode-Common-LuminanceSourceAbstract.html#top" class="phpdocumentor-back-to-top"><i class="fas fa-chevron-circle-up"></i></a>

    </main>

    <script>
        cssVars({});
    </script>
    <script src="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/prism.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/autoloader/prism-autoloader.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/line-numbers/prism-line-numbers.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/prismjs@1.23.0/plugins/line-highlight/prism-line-highlight.min.js"></script>
</body>
</html>