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78 lines
3.9 KiB
XML
78 lines
3.9 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook MathML Module V1.1b1//EN"
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"http://www.oasis-open.org/docbook/xml/mathml/1.1CR1/dbmathml.dtd">
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<refentry id="gluTessBeginContour">
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<refmeta>
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<refmetainfo>
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<copyright>
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<year>1991-2006</year>
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<holder>Silicon Graphics, Inc.</holder>
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</copyright>
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</refmetainfo>
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<refentrytitle>gluTessBeginContour</refentrytitle>
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<manvolnum>3G</manvolnum>
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</refmeta>
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<refnamediv>
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<refname>gluTessBeginContour</refname>
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<refpurpose>delimit a contour description</refpurpose>
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</refnamediv>
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<refsynopsisdiv><title>C Specification</title>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>gluTessBeginContour</function></funcdef>
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<paramdef>GLUtesselator* <parameter>tess</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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</refsynopsisdiv>
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<refsynopsisdiv><title>C Specification</title>
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<funcsynopsis>
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<funcprototype>
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<funcdef>void <function>gluTessEndContour</function></funcdef>
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<paramdef>GLUtesselator* <parameter>tess</parameter></paramdef>
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</funcprototype>
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</funcsynopsis>
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</refsynopsisdiv>
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<!-- eqn: ignoring delim $$ -->
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<refsect1 id="parameters"><title>Parameters</title>
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<variablelist>
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<varlistentry>
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<term><parameter>tess</parameter></term>
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<listitem>
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<para>
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Specifies the tessellation object (created with <citerefentry><refentrytitle>gluNewTess</refentrytitle></citerefentry>).
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 id="description"><title>Description</title>
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<para>
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<function>gluTessBeginContour</function> and <citerefentry><refentrytitle>gluTessEndContour</refentrytitle></citerefentry> delimit the definition of a
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polygon contour. Within each <function>gluTessBeginContour</function>/<citerefentry><refentrytitle>gluTessEndContour</refentrytitle></citerefentry>
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pair, there can be zero or more calls to <citerefentry><refentrytitle>gluTessVertex</refentrytitle></citerefentry>. The vertices
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specify a closed contour (the last vertex of each contour is automatically linked
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to the first). See the <citerefentry><refentrytitle>gluTessVertex</refentrytitle></citerefentry> reference page for more details.
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<function>gluTessBeginContour</function> can only be called between <citerefentry><refentrytitle>gluTessBeginPolygon</refentrytitle></citerefentry> and <citerefentry><refentrytitle>gluTessEndPolygon</refentrytitle></citerefentry>.
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</para>
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</refsect1>
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<refsect1 id="seealso"><title>See Also</title>
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<para>
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<citerefentry><refentrytitle>gluNewTess</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>gluTessBeginPolygon</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>gluTessCallback</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>gluTessEndPolygon</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>gluTessNormal</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>gluTessProperty</refentrytitle></citerefentry>,
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<citerefentry><refentrytitle>gluTessVertex</refentrytitle></citerefentry>
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</para>
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</refsect1>
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<refsect1 id="Copyright"><title>Copyright</title>
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<para>
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Copyright <trademark class="copyright"></trademark> 1991-2006
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Silicon Graphics, Inc. This document is licensed under the SGI
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Free Software B License. For details, see
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<ulink url="http://oss.sgi.com/projects/FreeB/">http://oss.sgi.com/projects/FreeB/</ulink>.
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</para>
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</refsect1>
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</refentry>
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