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<td ><a href="index.html">Qt 5.9</a></td><td >Resource Compiler (rcc)</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right">Qt 5.9.5 Reference Documentation</td>
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<h1 class="title">Resource Compiler (rcc)</h1>
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<p>The <code>rcc</code> tool is used to embed resources into a Qt application during the build process. It works by generating a C++ source file containing data specified in a Qt resource (.qrc) file.</p>
<p>Usage:</p>
<pre class="cpp">
rcc <span class="operator">[</span>options<span class="operator">]</span> <span class="operator"><</span>inputs<span class="operator">></span>
</pre>
<p>RCC accepts the following command line options:</p>
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<thead><tr class="qt-style"><th >Option</th><th >Argument</th><th >Description</th></tr></thead>
<tr valign="top" class="odd"><td ><code>-o</code></td><td ><code>file</code></td><td >Write output to <code>file</code> rather than to stdout.</td></tr>
<tr valign="top" class="even"><td ><code>-name</code></td><td ><code>name</code></td><td >Create an external initialization function with <code>name</code>.</td></tr>
<tr valign="top" class="odd"><td ><code>-threshold</code></td><td ><code>level</code></td><td >Specifies a threshold <code>level</code> (as a percentage) to use when deciding whether to compress a file. If the reduction in the file size is greater than the threshold <code>level</code>, it is compressed; otherwise, the uncompressed data is stored instead. The default threshold level is 70%, meaning that compressed files which are 30% or less of their original size are stored as compressed data.</td></tr>
<tr valign="top" class="even"><td ><code>-compress</code></td><td ><code>level</code></td><td >Compress input files to the given compression <code>level</code>, which is an integer in the range 1 to 9. Level 1 does the least compression but is fastest. Level 9 does the most compression but is slowest. To turn off compression, use <code>-no-compress</code>. The default value for <code>level</code> is -1, which means use zlib's default compression level.</td></tr>
<tr valign="top" class="odd"><td ><code>-root</code></td><td ><code>path</code></td><td >Prefix the resource access path with <code>path</code>. The default is no prefix.</td></tr>
<tr valign="top" class="even"><td ><code>-no-compress</code></td><td ></td><td >Disable compression.</td></tr>
<tr valign="top" class="odd"><td ><code>-binary</code></td><td ></td><td >Output a binary file for use as a dynamic resource.</td></tr>
<tr valign="top" class="even"><td ><code>-version</code></td><td ></td><td >Display version information.</td></tr>
<tr valign="top" class="odd"><td ><code>-help</code></td><td ></td><td >Display usage information.</td></tr>
<tr valign="top" class="even"><td ><code>-t, --temp <file></code></td><td ></td><td >Use temporary <file> for big resources.</td></tr>
<tr valign="top" class="odd"><td ><code>--namespace</code></td><td ></td><td >Turn off namespace macros.</td></tr>
<tr valign="top" class="even"><td ><code>--verbose</code></td><td ></td><td >Enable verbose mode.</td></tr>
<tr valign="top" class="odd"><td ><code>--list</code></td><td ></td><td >Only list .qrc file entries, do not generate code.</td></tr>
<tr valign="top" class="even"><td ><code>-project</code></td><td ></td><td >Output a resource file containing all files from the current directory.</td></tr>
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<p>See also <a href="../qtcore/resources.html">The Qt Resource System</a> for more information about embedding resources in Qt applications.</p>
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