mrkad
/
php-qrcode
mirror de https://github.com/chillerlan/php-qrcode.git


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355
							<!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>
                    <li class="phpdocumentor-topnav__menu-item -social">
                <a href="https://github.com/chillerlan/php-qrcode/discussions">
                    <span>
                                                                        <i class="fas fa-envelope-open-text"></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 -namespaces">
            <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>

                        </section>
                <section class="phpdocumentor-sidebar__category -packages">
            <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 -reports">
        <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 -indices">
        <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">
    </ul>

    <article class="phpdocumentor-element -file">
        <h2 class="phpdocumentor-content__title">PerspectiveTransform.php</h2>

            <p class="phpdocumentor-summary">Class PerspectiveTransform</p>

        
    <h5 class="phpdocumentor-tag-list__heading" id="tags">
        Tags
        <a href="files/src-detector-perspectivetransform.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">created</span>
                </dt>
                <dd class="phpdocumentor-tag-list__definition">
                                                                                
                                                 <section class="phpdocumentor-description"><p>17.01.2021</p>
</section>

                                    </dd>
                                                <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>ZXing Authors</p>
</section>

                                    </dd>
                            <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>Smiley <a href="mailto:smiley@chillerlan.net">smiley@chillerlan.net</a></p>
</section>

                                    </dd>
                                                <dt class="phpdocumentor-tag-list__entry">
                    <span class="phpdocumentor-tag__name">copyright</span>
                </dt>
                <dd class="phpdocumentor-tag-list__definition">
                                                                                
                                                 <section class="phpdocumentor-description"><p>2021 Smiley</p>
</section>

                                    </dd>
                                                <dt class="phpdocumentor-tag-list__entry">
                    <span class="phpdocumentor-tag__name">license</span>
                </dt>
                <dd class="phpdocumentor-tag-list__definition">
                                                                                
                                                 <section class="phpdocumentor-description"><p>Apache-2.0</p>
</section>

                                    </dd>
                        </dl>


<h3 id="toc">
    Table of Contents
    <a href="files/src-detector-perspectivetransform.html#toc" class="headerlink"><i class="fas fa-link"></i></a>

</h3>


    <h4 id="toc-classes">
        Classes
        <a href="files/src-detector-perspectivetransform.html#toc-classes" class="headerlink"><i class="fas fa-link"></i></a>

    </h4>
    <dl class="phpdocumentor-table-of-contents">
                    <dt class="phpdocumentor-table-of-contents__entry -class"><a href="classes/chillerlan-QRCode-Detector-PerspectiveTransform.html"><abbr title="\chillerlan\QRCode\Detector\PerspectiveTransform">PerspectiveTransform</abbr></a></dt><dd>This class implements a perspective transform in two dimensions. Given four source and four
destination points, it will compute the transformation implied between them. The code is based
directly upon section 3.4.2 of George Wolberg&#039;s &quot;Digital Image Warping&quot;; see pages 54-56.</dd>    </dl>


        <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/Detector/PerspectiveTransform.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);
                            d=document.getElementsByClassName("line-numbers");
                            d[0].scrollTop = d[0].children[1].offsetTop;
                            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="files/src-detector-perspectivetransform.html#toc-classes">Classes</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="files/src-detector-perspectivetransform.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>