📄 function.imagewbmp.html
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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>Output image to browser or file</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.imagetypes.html">imagetypes</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.imagexbm.html">imagexbm</a></div> <div class="up"><a href="ref.image.html">GD Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.imagewbmp" class="refentry"> <div class="refnamediv"> <h1 class="refname">imagewbmp</h1> <p class="verinfo">(PHP 4 >= 4.0.1, PHP 5)</p><p class="refpurpose"><span class="refname">imagewbmp</span> — <span class="dc-title">Output image to browser or file</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><b><b>imagewbmp</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$image</tt></span> [, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$filename</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$foreground</tt></span> ]] )</div> <p class="para rdfs-comment"> <b>imagewbmp()</b> outputs or save a <acronym title="Wireless Bitmap">WBMP</acronym> version of the given <i><tt class="parameter">image</tt></i>. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt><span class="term"><i><tt class="parameter">image</tt></i></span><dd><p class="para">An image resource, returned by one of the image creation functions, such as <a href="function.imagecreatetruecolor.html" class="function">imagecreatetruecolor()</a>.</p></dd></dt> <dt> <span class="term"><i><tt class="parameter">filename</tt></i></span> <dd> <p class="para"> The path to save the file to. If not set or <b><tt>NULL</tt></b>, the raw image stream will be outputted directly. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">foreground</tt></i></span> <dd> <p class="para"> You can set the foreground color with this parameter by setting an identifier obtained from <a href="function.imagecolorallocate.html" class="function">imagecolorallocate()</a>. The default foreground color is black. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns <b><tt>TRUE</tt></b> on success or <b><tt>FALSE</tt></b> on failure. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Outputting a WBMP image</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Create a blank image and add some text<br /></span><span style="color: #0000BB">$im </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecreatetruecolor</span><span style="color: #007700">(</span><span style="color: #0000BB">120</span><span style="color: #007700">, </span><span style="color: #0000BB">20</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$text_color </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">233</span><span style="color: #007700">, </span><span style="color: #0000BB">14</span><span style="color: #007700">, </span><span style="color: #0000BB">91</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagestring</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">, </span><span style="color: #DD0000">'A Simple Text String'</span><span style="color: #007700">, </span><span style="color: #0000BB">$text_color</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Set the content type header - in this case image/vnd.wap.wbmp<br />// Hint: see image_type_to_mime_type() for content-types<br /></span><span style="color: #0000BB">header</span><span style="color: #007700">(</span><span style="color: #DD0000">'Content-type: image/vnd.wap.wbmp'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Output the image<br /></span><span style="color: #0000BB">imagewbmp</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Free up memory<br /></span><span style="color: #0000BB">imagedestroy</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> <p class="para"> <div class="example"> <p><b>Example #2 Saving the WBMP image</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br /></span><span style="color: #FF8000">// Create a blank image and add some text<br /></span><span style="color: #0000BB">$im </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecreatetruecolor</span><span style="color: #007700">(</span><span style="color: #0000BB">120</span><span style="color: #007700">, </span><span style="color: #0000BB">20</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$text_color </span><span style="color: #007700">= </span><span style="color: #0000BB">imagecolorallocate</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">233</span><span style="color: #007700">, </span><span style="color: #0000BB">14</span><span style="color: #007700">, </span><span style="color: #0000BB">91</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">imagestring</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">, </span><span style="color: #DD0000">'A Simple Text String'</span><span style="color: #007700">, </span><span style="color: #0000BB">$text_color</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Save the image<br /></span><span style="color: #0000BB">imagewbmp</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">, </span><span style="color: #DD0000">'simpletext.wbmp'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Free up memory<br /></span><span style="color: #0000BB">imagedestroy</span><span style="color: #007700">(</span><span style="color: #0000BB">$im</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> <p class="para"> <div class="example"> <p><b>Example #3 Outputting the image with a different foreground</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000">// Create a blank image and add some text<br />$im = imagecreatetruecolor(120, 20);<br />$text_color = imagecolorallocate($im, 233, 14, 91);<br />imagestring($im, 1, 5, 5, 'A Simple Text String', $text_color);<br /><br />// Set the content type header - in this case image/vnd.wap.wbmp<br />// Hint: see image_type_to_mime_type() for content-types<br />header('Content-type: image/vnd.wap.wbmp');<br /><br />// Set a replacement foreground color<br />$foreground_color = imagecolorallocate($im, 255, 0, 0);<br /><br />imagewbmp($im, NULL, $foreground_color);<br /><br />// Free up memory<br />imagedestroy($im);</span></code></div> </div> </div> </p> </div> <div class="refsect1 notes"> <h3 class="title">Notes</h3> <blockquote><p><b class="note">Note</b>: WBMP support is only available if PHP was compiled against GD-1.8 or later. <br /> </p></blockquote> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.image2wbmp.html" class="function" rel="rdfs-seeAlso">image2wbmp()</a></li> <li class="member"><a href="function.imagepng.html" class="function" rel="rdfs-seeAlso">imagepng()</a></li> <li class="member"><a href="function.imagegif.html" class="function" rel="rdfs-seeAlso">imagegif()</a></li> <li class="member"><a href="function.imagejpeg.html" class="function" rel="rdfs-seeAlso">imagejpeg()</a></li> <li class="member"><a href="function.imagetypes.html" class="function" rel="rdfs-seeAlso">imagetypes()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.imagetypes.html">imagetypes</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.imagexbm.html">imagexbm</a></div> <div class="up"><a href="ref.image.html">GD Functions</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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