OpenSceneGraph/doc/doc++/osg/Viewport.html

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<TITLE>class SG_EXPORT osg::Viewport</TITLE>
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<H2>class SG_EXPORT <A HREF="#DOC.DOCU">osg::Viewport</A></H2></H2><BLOCKQUOTE>Encapsulte OpenGL glViewport</BLOCKQUOTE>
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<H2>Inheritance:</H2>
<APPLET CODE="ClassGraph.class" WIDTH=600 HEIGHT=125>
<param name=classes value="CReferenced,MReferenced.html,CObject,MObject.html,CStateAttribute,MStateAttribute.html,CViewport,MViewport.html">
<param name=before value="M,M,M,M">
<param name=after value="Md_SPSP,Md_SP,Md_,M">
<param name=indent value="0,1,2,3">
<param name=arrowdir value="down">
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<DT><H3>Public Methods</H3><DD><DT>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.109.1">Viewport</A></B>()
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.109.2">META_StateAttribute</A></B>(<!1><A HREF="Viewport.html">Viewport</A>, <!1><A HREF="StateAttribute.html#DOC.2.80.6.39">VIEWPORT</A>)
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual int <B><A HREF="#DOC.2.109.3">compare</A></B>(const <!1><A HREF="StateAttribute.html">StateAttribute</A>&amp; sa) const
<DD><I>return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs</I>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline void <B><A HREF="#DOC.2.109.4">setViewport</A></B>(const int <!1><A HREF="Viewport.html#DOC.2.109.6">x</A>, const int <!1><A HREF="Viewport.html#DOC.2.109.7">y</A>, const int <!1><A HREF="Viewport.html#DOC.2.109.8">width</A>, const int <!1><A HREF="Viewport.html#DOC.2.109.9">height</A>)
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.109.5">getViewport</A></B>(int&amp; <!1><A HREF="Viewport.html#DOC.2.109.6">x</A>, int&amp; <!1><A HREF="Viewport.html#DOC.2.109.7">y</A>, int&amp; <!1><A HREF="Viewport.html#DOC.2.109.8">width</A>, int&amp; <!1><A HREF="Viewport.html#DOC.2.109.9">height</A>)
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline const int <B><A HREF="#DOC.2.109.6">x</A></B>() const
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline const int <B><A HREF="#DOC.2.109.7">y</A></B>() const
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline const int <B><A HREF="#DOC.2.109.8">width</A></B>() const
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline const int <B><A HREF="#DOC.2.109.9">height</A></B>() const
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline const float <B><A HREF="#DOC.2.109.10">aspectRatio</A></B>() const
<DD><I>return the aspcetRatio of the viewport, which is equal to width/height</I>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual void <B><A HREF="#DOC.2.109.11">apply</A></B>(<!1><A HREF="State.html">State</A>&amp; state) const
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<DT><H3>Protected Fields</H3><DD><DT>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>int <B><A HREF="#DOC.2.109.13">_x</A></B>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>int <B><A HREF="#DOC.2.109.14">_y</A></B>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>int <B><A HREF="#DOC.2.109.15">_width</A></B>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>int <B><A HREF="#DOC.2.109.16">_height</A></B>
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<DT><H3>Protected Methods</H3><DD><DT>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual <B><A HREF="#DOC.2.109.12">~Viewport</A></B>()
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<HR><H3>Inherited from <A HREF="StateAttribute.html">StateAttribute</A>:</H3>
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<DT><H3>Public Methods</H3><DD><DT>
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<IMG ALT="o" SRC=icon2.gif>virtual <!1><A HREF="Object.html">Object</A>* <B>clone</B>() const
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<IMG ALT="o" SRC=icon2.gif>virtual bool <B>isSameKindAs</B>(const <!1><A HREF="Object.html">Object</A>* obj) const
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<IMG ALT="o" SRC=icon2.gif>virtual const char* <B>className</B>() const
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<IMG ALT="o" SRC=icon2.gif>virtual const <!1><A HREF="StateAttribute.html#DOC.2.80.5">Type</A> <B>getType</B>() const
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<IMG ALT="o" SRC=icon2.gif>bool <B>operator < </B>(const <!1><A HREF="StateAttribute.html">StateAttribute</A>&amp; rhs) const
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<IMG ALT="o" SRC=icon2.gif>bool <B>operator == </B>(const <!1><A HREF="StateAttribute.html">StateAttribute</A>&amp; rhs) const
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<IMG ALT="o" SRC=icon2.gif>bool <B>operator != </B>(const <!1><A HREF="StateAttribute.html">StateAttribute</A>&amp; rhs) const
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<IMG ALT="o" SRC=icon2.gif>virtual void <B>setStateSetModes</B>(<!1><A HREF="StateSet.html">StateSet</A>&amp;, const <!1><A HREF="StateAttribute.html#DOC.2.80.2">GLModeValue</A>) const
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<IMG ALT="o" SRC=icon2.gif>virtual void <B>compile</B>(<!1><A HREF="State.html">State</A>&amp;) const
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<DT><H3>Public Members</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>typedef GLenum <B>GLMode</B>
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<IMG ALT="o" SRC=icon2.gif>typedef unsigned int <B>GLModeValue</B>
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<IMG ALT="o" SRC=icon2.gif>typedef unsigned int <B>OverrideValue</B>
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<IMG ALT="o" SRC=icon2.gif>enum <B>Values</B>
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<IMG ALT="o" SRC=icon2.gif>typedef unsigned int <B>Type</B>
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<IMG ALT="o" SRC=icon2.gif>enum <B>Types</B>
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<HR><H3>Inherited from <A HREF="Object.html">Object</A>:</H3>
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<HR><H3>Inherited from <A HREF="Referenced.html">Referenced</A>:</H3>
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<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="Referenced.html">Referenced</A>&amp; <B>operator = </B>(<!1><A HREF="Referenced.html">Referenced</A>&amp;)
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<IMG ALT="o" SRC=icon2.gif>inline void <B>ref</B>() const
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<IMG ALT="o" SRC=icon2.gif>inline void <B>unref</B>() const
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<IMG ALT="o" SRC=icon2.gif>inline const int <B>referenceCount</B>() const
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<DT><H3>Protected Fields</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>mutable int <B>_refCount</B>
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<A NAME="DOC.DOCU"></A>
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<H2>Documentation</H2>
<BLOCKQUOTE>Encapsulte OpenGL glViewport</BLOCKQUOTE>
<DL>
<A NAME="Viewport"></A>
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<A NAME="DOC.2.109.1"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> Viewport()</B></TT>
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<A NAME="META_StateAttribute"></A>
<A NAME="DOC.2.109.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> META_StateAttribute(<!1><A HREF="Viewport.html">Viewport</A>, <!1><A HREF="StateAttribute.html#DOC.2.80.6.39">VIEWPORT</A>)</B></TT>
<DL><DT><DD></DL><P>
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<A NAME="compare"></A>
<A NAME="DOC.2.109.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual int compare(const <!1><A HREF="StateAttribute.html">StateAttribute</A>&amp; sa) const </B></TT>
<DD>return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs
<DL><DT><DD></DL><P>
<A NAME="setViewport"></A>
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<A NAME="DOC.2.109.4"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline void setViewport(const int <!1><A HREF="Viewport.html#DOC.2.109.6">x</A>, const int <!1><A HREF="Viewport.html#DOC.2.109.7">y</A>, const int <!1><A HREF="Viewport.html#DOC.2.109.8">width</A>, const int <!1><A HREF="Viewport.html#DOC.2.109.9">height</A>)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="getViewport"></A>
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<A NAME="DOC.2.109.5"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void getViewport(int&amp; <!1><A HREF="Viewport.html#DOC.2.109.6">x</A>, int&amp; <!1><A HREF="Viewport.html#DOC.2.109.7">y</A>, int&amp; <!1><A HREF="Viewport.html#DOC.2.109.8">width</A>, int&amp; <!1><A HREF="Viewport.html#DOC.2.109.9">height</A>)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="x"></A>
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<A NAME="DOC.2.109.6"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline const int x() const </B></TT>
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<A NAME="y"></A>
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<A NAME="DOC.2.109.7"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline const int y() const </B></TT>
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<A NAME="width"></A>
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<A NAME="DOC.2.109.8"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline const int width() const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="height"></A>
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<A NAME="DOC.2.109.9"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline const int height() const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="aspectRatio"></A>
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<A NAME="DOC.2.109.10"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline const float aspectRatio() const </B></TT>
<DD>return the aspcetRatio of the viewport, which is equal to width/height
<DL><DT><DD></DL><P>
<A NAME="apply"></A>
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<A NAME="DOC.2.109.11"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual void apply(<!1><A HREF="State.html">State</A>&amp; state) const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="~Viewport"></A>
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<A NAME="DOC.2.109.12"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual ~Viewport()</B></TT>
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<A NAME="_x"></A>
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<A NAME="DOC.2.109.13"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>int _x</B></TT>
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<A NAME="_y"></A>
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<A NAME="DOC.2.109.14"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>int _y</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_width"></A>
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<A NAME="DOC.2.109.15"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>int _width</B></TT>
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<A NAME="_height"></A>
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<A NAME="DOC.2.109.16"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>int _height</B></TT>
<DL><DT><DD></DL><P></DL>
<HR><DL><DT><B>This class has no child classes.</B></DL>
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