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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>lqr_carver_init</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2"><link rel="home" href="index.html" title="The Liquid Rescale library Manual"><link rel="up" href="ref-carve.html" title="Carver objects"><link rel="prev" href="ref-lqr-carver-destroy.html" title="lqr_carver_destroy"><link rel="next" href="ref-lqr-carver-set-image-type.html" title="lqr_carver_set_image_type"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><code class="function">lqr_carver_init</code></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ref-lqr-carver-destroy.html">Prev</a> </td><th width="60%" align="center">Carver objects</th><td width="20%" align="right"> <a accesskey="n" href="ref-lqr-carver-set-image-type.html">Next</a></td></tr></table><hr></div><div class="refentry" title="lqr_carver_init"><a name="ref-lqr-carver-init"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>lqr_carver_init — activates an <code class="classname">LqrCarver</code> object</p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><div class="funcsynopsis"><pre class="funcsynopsisinfo">#include <lqr.h></pre><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0" class="funcprototype-table"><tr><td><code class="funcdef">LqrRetVal <b class="fsfunc">lqr_carver_init</b>(</code></td><td>LqrCarver* <var class="pdparam">carver</var>, </td></tr><tr><td> </td><td>gint <var class="pdparam">delta_x</var>, </td></tr><tr><td> </td><td>gfloat <var class="pdparam">rigidity</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1" title="Description"><a name="idp32668640"></a><h2>Description</h2><p>
The function <code class="function">lqr_carver_init</code> initialises the <code class="classname">LqrCarver</code> pointed to by
<em class="parameter"><code>carver</code></em>, so that it can compute the visibility maps as needed upon calls
of <code class="function">lqr_carver_resize</code>.
</p><p>
The parameter <em class="parameter"><code>delta_x</code></em> controls the maximum transversal step a seam can
make. A value of 0 means straight seams. Normally, it is set to 1.
</p><p>
The parameter <em class="parameter"><code>rigidity</code></em> can be used to add a negative bias to non-straight
seams, and it is normally set to 0.
</p><p>
Visibility maps must not be loaded with the function <code class="function">lqr_vmap_load</code> when
using this function, neither before nor after invoking it.
</p></div><div class="refsect1" title="Return value"><a name="idp32675728"></a><h2>Return value</h2><p>
The return value follows the Liquid Rescale library signalling system.
</p></div><div class="refsect1" title="See also"><a name="idp32677008"></a><h2>See also</h2><p>
<span class="simplelist"><a class="xref" href="ref-lqr-ret-val.html" title="LqrRetVal"><span class="refentrytitle"><span class="type">LqrRetVal</span></span>(3)</a>, <a class="xref" href="ref-lqr-carver-new.html" title="lqr_carver_new"><span class="refentrytitle"><code class="function">lqr_carver_new</code></span>(3)</a>, <a class="xref" href="ref-lqr-vmap-load.html" title="lqr_vmap_load"><span class="refentrytitle"><code class="function">lqr_vmap_load</code></span>(3)</a>, <a class="xref" href="ref-lqr-carver-set-preserve-input-image.html" title="lqr_carver_set_preserve_input_image"><span class="refentrytitle"><code class="function">lqr_carver_set_preserve_input_image</code></span>(3)</a></span>
</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ref-lqr-carver-destroy.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ref-carve.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="ref-lqr-carver-set-image-type.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><code class="function">lqr_carver_destroy</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <code class="function">lqr_carver_set_image_type</code></td></tr></table></div></body></html>
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