<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>imagefree</title> <link rel="stylesheet" type="text/css" href="csound.css" /> <meta name="generator" content="DocBook XSL Stylesheets V1.76.1" /> <link rel="home" href="index.html" title="The Canonical Csound Reference Manual" /> <link rel="up" href="OpcodesTop.html" title="Orchestra Opcodes and Operators" /> <link rel="prev" href="imagecreate.html" title="imagecreate" /> <link rel="next" href="imagegetpixel.html" title="imagegetpixel" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">imagefree</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="imagecreate.html">Prev</a> </td> <th width="60%" align="center">Orchestra Opcodes and Operators</th> <td width="20%" align="right"> <a accesskey="n" href="imagegetpixel.html">Next</a></td> </tr> </table> <hr /> </div> <div class="refentry" title="imagefree"> <a id="imagefree"></a> <div class="titlepage"></div> <a id="IndexImagefree" class="indexterm"></a> <div class="refnamediv"> <h2> <span class="refentrytitle">imagefree</span> </h2> <p>imagecreate — Frees memory allocated for a previously loaded or created image. </p> </div> <div class="refsect1" title="Description"> <a id="idp26636336"></a> <h2>Description</h2> <p> Frees memory allocated for a previously loaded or created image. </p> </div> <div class="refsect1" title="Syntax"> <a id="idp26637104"></a> <h2>Syntax</h2> <pre class="synopsis"><span class="command"><strong>imagefree</strong></span> iimagenum</pre> </div> <div class="refsect1" title="Initialization"> <a id="idp26665976"></a> <h2>Initialization</h2> <p> <span class="emphasis"><em>iimagenum</em></span> -- reference of the image to free. </p> </div> <div class="refsect1" title="Examples"> <a id="idp26666888"></a> <h2>Examples</h2> <p> Here is an example of the imagefree opcode. It uses the file <a class="ulink" href="examples/imageopcodes.csd" target="_top"><em class="citetitle">imageopcodes.csd</em></a>. </p> <div class="example"> <a id="idp26667880"></a> <p class="title"> <strong>Example 356. Example of the imagefree opcode.</strong> </p> <div class="example-contents"> <pre class="programlisting"> <span class="csdtag"><CsoundSynthesizer></span> <span class="csdtag"><CsOptions></span> <span class="comment">; Select audio/midi flags here according to platform</span> -n <span class="comment">;no sound output</span> <span class="csdtag"></CsOptions></span> <span class="csdtag"><CsInstruments></span> <span class="ohdr">sr</span><span class="op">=</span>48000 <span class="ohdr">ksmps</span><span class="op">=</span>1 <span class="ohdr">nchnls</span><span class="op">=</span>2 <span class="comment">; this test .csd copies image.png into a new file 'imageout.png'</span> giimage1 <span class="opc">imageload</span> "image.png" giimagew, giimageh <span class="opc">imagesize</span> giimage1 giimage2 <span class="opc">imagecreate</span> giimagew,giimageh <span class="oblock">instr</span> 1 kndx <span class="op">=</span> 0 kx_ <span class="opc">linseg</span> 0, p3, 1 <span class="comment">;print imagewidth and imageheigth of image.png</span> <span class="opc">prints</span> "imagewidth <span class="op">=</span> <span class="op">%</span>f pixels, imageheigth <span class="op">=</span> <span class="op">%</span>f pixels\\n", giimagew, giimageh <span class="olabel">myloop</span><span class="op">:</span> ky_ <span class="op">=</span> kndx<span class="op">/</span>(giimageh) kr_, kg_, kb_ <span class="opc">imagegetpixel</span> giimage1, kx_, ky_ <span class="opc">imagesetpixel</span> giimage2, kx_, ky_, kr_, kg_, kb_ <span class="octrl">loop_lt</span> kndx, 0.5, giimageh, <span class="olabel">myloop</span> <span class="oblock">endin</span> <span class="oblock">instr</span> 2 <span class="opc">imagesave</span> giimage2, "imageout.png" <span class="oblock">endin</span> <span class="oblock">instr</span> 3 <span class="opc">imagefree</span> giimage1 <span class="opc">imagefree</span> giimage2 <span class="oblock">endin</span> <span class="csdtag"></CsInstruments></span> <span class="csdtag"><CsScore></span> <span class="stamnt">i</span>1 1 1 <span class="stamnt">i</span>2 2 1 <span class="stamnt">i</span>3 3 1 <span class="stamnt">e</span> <span class="csdtag"></CsScore></span> <span class="csdtag"></CsoundSynthesizer></span> </pre> </div> </div> <p><br class="example-break" /> </p> </div> <div class="refsect1" title="See Also"> <a id="idp26668920"></a> <h2>See Also</h2> <p> <a class="link" href="imageload.html" title="imageload"><em class="citetitle">imageload</em></a>, <a class="link" href="imagecreate.html" title="imagecreate"><em class="citetitle">imagecreate</em></a>, <a class="link" href="imagesize.html" title="imagesize"><em class="citetitle">imagesize</em></a>, <a class="link" href="imagesave.html" title="imagesave"><em class="citetitle">imagesave</em></a>, <a class="link" href="imagegetpixel.html" title="imagegetpixel"><em class="citetitle">imagegetpixel</em></a>, <a class="link" href="imagesetpixel.html" title="imagesetpixel"><em class="citetitle">imagesetpixel</em></a> </p> </div> <div class="refsect1" title="Credits"> <a id="idp26672456"></a> <h2>Credits</h2> <p> </p> <table border="0" summary="Simple list" class="simplelist"> <tr> <td>Author: Cesare Marilungo</td> </tr> </table> <p> </p> <p>New in version 5.08</p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="imagecreate.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="OpcodesTop.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="imagegetpixel.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">imagecreate </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> imagegetpixel</td> </tr> </table> </div> </body> </html>