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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Load PNG image and return HaruImage instance</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.harudoc-loadjpeg.html">HaruDoc::loadJPEG</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.harudoc-loadraw.html">HaruDoc::loadRaw</a></div> <div class="up"><a href="class.harudoc.html">HaruDoc</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.harudoc-loadpng" class="refentry"> <div class="refnamediv"> <h1 class="refname">HaruDoc::loadPNG</h1> <p class="verinfo">(PECL haru:0.0.1)</p><p class="refpurpose"><span class="refname">HaruDoc::loadPNG</span> — <span class="dc-title">Load PNG image and return <a href="class.haruimage.html" class="classname">HaruImage</a> instance</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">object</span> <span class="methodname"><b><b>HaruDoc::loadPNG</b></b></span> ( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$filename</tt></span> [, <span class="methodparam"><span class="type">bool</span> <tt class="parameter">$deferred</tt></span> ] )</div> <p class="para rdfs-comment"> Loads a PNG image. </p> <p class="para"> Libharu might be built without libpng support, in this case each call to this function would result in exception. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">filename</tt></i></span> <dd> <p class="para"> The name of a PNG image file. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">deferred</tt></i></span> <dd> <p class="para"> Do not load data immediately. Defaults to <b><tt>FALSE</tt></b>. You can set <i><tt class="parameter">deferred</tt></i> parameter to <b><tt>TRUE</tt></b> for deferred data loading, in this case only size and color are loaded immediately. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns a <a href="class.haruimage.html" class="classname">HaruImage</a> instance. </p> </div> <div class="refsect1 errors"> <h3 class="title">Errors/Exceptions</h3> <p class="para"> Throws <a href="class.haruexception.html" class="classname">HaruException</a> on error. </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.harudoc-loadjpeg.html" class="link"><a href="class.harudoc.html" class="classname">HaruDoc</a>::<b>loadJPEG()</b></a></li> <li class="member"><a href="function.harudoc-loadraw.html" class="link"><a href="class.harudoc.html" class="classname">HaruDoc</a>::<b>loadRAW()</b></a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.harudoc-loadjpeg.html">HaruDoc::loadJPEG</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.harudoc-loadraw.html">HaruDoc::loadRaw</a></div> <div class="up"><a href="class.harudoc.html">HaruDoc</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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