OpenSceneGraph/doc/doc++/osg/Fog.html
2003-10-02 14:28:30 +00:00

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<TITLE>class SG_EXPORT osg::Fog</TITLE>
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<H2>class SG_EXPORT <A HREF="#DOC.DOCU">osg::Fog</A></H2></H2><BLOCKQUOTE>Fog - encapsulates OpenGL fog state.</BLOCKQUOTE>
<HR>
<H2>Inheritance:</H2>
<APPLET CODE="ClassGraph.class" WIDTH=600 HEIGHT=125>
<param name=classes value="CReferenced,MReferenced.html,CObject,MObject.html,CStateAttribute,MStateAttribute.html,CFog,MFog.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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<DL>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.73.1">Fog</A></B>()
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.73.2">Fog</A></B>(const <!1><A HREF="Fog.html#DOC.2.73.2">Fog</A>&amp; fog, const <!1><A HREF="CopyOp.html">CopyOp</A>&amp; copyop=CopyOp::SHALLOW_COPY)
<DD><I>Copy constructor using CopyOp to manage deep vs shallow copy</I>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.73.3">META_StateAttribute</A></B>(<!1><A HREF="osg.html">osg</A>, <!1><A HREF="Fog.html">Fog</A>, <!1><A HREF="StateAttribute.html#DOC.2.195.6.9">FOG</A>)
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual int <B><A HREF="#DOC.2.73.4">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>virtual void <B><A HREF="#DOC.2.73.5">getAssociatedModes</A></B>(std::vector&lt;<!1><A HREF="StateAttribute.html#DOC.2.195.1">GLMode</A>&gt;&amp; modes) const
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline void <B><A HREF="#DOC.2.73.7">setMode</A></B>( <!1><A HREF="Fog.html#DOC.2.73.6">Mode</A> mode )
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline <!1><A HREF="Fog.html#DOC.2.73.6">Mode</A> <B><A HREF="#DOC.2.73.8">getMode</A></B>() const
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline void <B><A HREF="#DOC.2.73.9">setDensity</A></B>( float density )
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline float <B><A HREF="#DOC.2.73.10">getDensity</A></B>() const
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline void <B><A HREF="#DOC.2.73.11">setStart</A></B>( float <!1><A HREF="LineSegment.html#DOC.2.98.6">start</A> )
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline float <B><A HREF="#DOC.2.73.12">getStart</A></B>() const
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline void <B><A HREF="#DOC.2.73.13">setEnd</A></B>( float <!1><A HREF="TriangleFunctor.html#DOC.2.221.18">end</A> )
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline float <B><A HREF="#DOC.2.73.14">getEnd</A></B>() const
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline void <B><A HREF="#DOC.2.73.15">setColor</A></B>( const <!1><A HREF="Vec4.html">Vec4</A> &amp;color )
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline const <!1><A HREF="Vec4.html">Vec4</A>&amp; <B><A HREF="#DOC.2.73.16">getColor</A></B>() const
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline void <B><A HREF="#DOC.2.73.18">setFogCoordinateSource</A></B>(GLint source)
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline GLint <B><A HREF="#DOC.2.73.19">getFogCoordinateSource</A></B>() const
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual void <B><A HREF="#DOC.2.73.20">apply</A></B>(<!1><A HREF="State.html">State</A>&amp; state) const
</DL></P>
<P><DL>
<DT><H3>Public Members</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>enum <B><A HREF="#DOC.2.73.6">Mode</A></B>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>enum <B><A HREF="#DOC.2.73.17">FogCoordinateSource</A></B>
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<P><DL>
<DT><H3>Protected Fields</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="Fog.html#DOC.2.73.6">Mode</A> <B><A HREF="#DOC.2.73.22">_mode</A></B>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>float <B><A HREF="#DOC.2.73.23">_density</A></B>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>float <B><A HREF="#DOC.2.73.24">_start</A></B>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>float <B><A HREF="#DOC.2.73.25">_end</A></B>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="Vec4.html">Vec4</A> <B><A HREF="#DOC.2.73.26">_color</A></B>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>GLint <B><A HREF="#DOC.2.73.27">_fogCoordinateSource</A></B>
</DL></P>
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<DT><H3>Protected Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual <B><A HREF="#DOC.2.73.21">~Fog</A></B>()
</DL></P>
</DL>
<HR><H3>Inherited from <A HREF="StateAttribute.html">StateAttribute</A>:</H3>
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<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>virtual <!1><A HREF="Object.html">Object</A>* <B>cloneType</B>() const
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<IMG ALT="o" SRC=icon2.gif>virtual <!1><A HREF="Object.html">Object</A>* <B>clone</B>(const <!1><A HREF="CopyOp.html">CopyOp</A>&amp;) 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>libraryName</B>() 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 <!1><A HREF="StateAttribute.html#DOC.2.195.5">Type</A> <B>getType</B>() const
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<IMG ALT="o" SRC=icon2.gif>virtual bool <B>isTextureAttribute</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>compile</B>(<!1><A HREF="State.html">State</A>&amp;) const
</DL></P>
<P><DL>
<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>
</DL></P>
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<HR><H3>Inherited from <A HREF="Object.html">Object</A>:</H3>
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<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>setDataVariance</B>(<!1><A HREF="Object.html#DOC.2.136.8">DataVariance</A> dv)
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<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="Object.html#DOC.2.136.8">DataVariance</A> <B>getDataVariance</B>() const
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<IMG ALT="o" SRC=icon2.gif>inline void <B>setUserData</B>(<!1><A HREF="Referenced.html">Referenced</A>* obj)
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<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="Referenced.html">Referenced</A>* <B>getUserData</B>()
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<IMG ALT="o" SRC=icon2.gif>inline const <!1><A HREF="Referenced.html">Referenced</A>* <B>getUserData</B>() const
</DL></P>
<P><DL>
<DT><H3>Public Members</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>enum <B>DataVariance</B>
</DL></P>
<P><DL>
<DT><H3>Protected Fields</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="Object.html#DOC.2.136.8">DataVariance</A> <B>_dataVariance</B>
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<IMG ALT="o" SRC=icon2.gif><!1><A HREF="ref_ptr.html">ref_ptr</A>&lt;<!1><A HREF="Referenced.html">Referenced</A>&gt; <B>_userData</B>
</DL></P>
</DL>
<HR><H3>Inherited from <A HREF="Referenced.html">Referenced</A>:</H3>
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<P><DL>
<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>static void <B>setDeleteHandler</B>(<!1><A HREF="DeleteHandler.html">DeleteHandler</A>* handler)
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<IMG ALT="o" SRC=icon2.gif>static <!1><A HREF="DeleteHandler.html">DeleteHandler</A>* <B>getDeleteHandler</B>()
<DT>
<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_nodelete</B>() const
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<IMG ALT="o" SRC=icon2.gif>inline int <B>referenceCount</B>() const
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<IMG ALT="o" SRC=icon2.gif>inline void <B>unref</B>() const
</DL></P>
<P><DL>
<DT><H3>Protected Fields</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>mutable int <B>_refCount</B>
</DL></P>
</DL>
<A NAME="DOC.DOCU"></A>
<HR>
<H2>Documentation</H2>
<BLOCKQUOTE>Fog - encapsulates OpenGL fog state. </BLOCKQUOTE>
<DL>
<A NAME="Fog"></A>
<A NAME="DOC.2.73.1"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> Fog()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="Fog"></A>
<A NAME="DOC.2.73.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> Fog(const <!1><A HREF="Fog.html#DOC.2.73.2">Fog</A>&amp; fog, const <!1><A HREF="CopyOp.html">CopyOp</A>&amp; copyop=CopyOp::SHALLOW_COPY)</B></TT>
<DD>Copy constructor using CopyOp to manage deep vs shallow copy
<DL><DT><DD></DL><P>
<A NAME="META_StateAttribute"></A>
<A NAME="DOC.2.73.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> META_StateAttribute(<!1><A HREF="osg.html">osg</A>, <!1><A HREF="Fog.html">Fog</A>, <!1><A HREF="StateAttribute.html#DOC.2.195.6.9">FOG</A>)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="compare"></A>
<A NAME="DOC.2.73.4"></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="getAssociatedModes"></A>
<A NAME="DOC.2.73.5"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual void getAssociatedModes(std::vector&lt;<!1><A HREF="StateAttribute.html#DOC.2.195.1">GLMode</A>&gt;&amp; modes) const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="Mode"></A>
<A NAME="DOC.2.73.6"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>enum Mode</B></TT>
<DL><DT><DD></DL><P><DL>
<A NAME="LINEAR"></A>
<A NAME="DOC.2.73.6.1"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> LINEAR</B></TT>
<DL><DT><DD></DL><P>
<A NAME="EXP"></A>
<A NAME="DOC.2.73.6.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> EXP</B></TT>
<DL><DT><DD></DL><P>
<A NAME="EXP2"></A>
<A NAME="DOC.2.73.6.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> EXP2</B></TT>
<DL><DT><DD></DL><P></DL>
<A NAME="setMode"></A>
<A NAME="DOC.2.73.7"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline void setMode( <!1><A HREF="Fog.html#DOC.2.73.6">Mode</A> mode )</B></TT>
<DL><DT><DD></DL><P>
<A NAME="getMode"></A>
<A NAME="DOC.2.73.8"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline <!1><A HREF="Fog.html#DOC.2.73.6">Mode</A> getMode() const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="setDensity"></A>
<A NAME="DOC.2.73.9"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline void setDensity( float density )</B></TT>
<DL><DT><DD></DL><P>
<A NAME="getDensity"></A>
<A NAME="DOC.2.73.10"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline float getDensity() const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="setStart"></A>
<A NAME="DOC.2.73.11"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline void setStart( float <!1><A HREF="LineSegment.html#DOC.2.98.6">start</A> )</B></TT>
<DL><DT><DD></DL><P>
<A NAME="getStart"></A>
<A NAME="DOC.2.73.12"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline float getStart() const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="setEnd"></A>
<A NAME="DOC.2.73.13"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline void setEnd( float <!1><A HREF="TriangleFunctor.html#DOC.2.221.18">end</A> )</B></TT>
<DL><DT><DD></DL><P>
<A NAME="getEnd"></A>
<A NAME="DOC.2.73.14"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline float getEnd() const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="setColor"></A>
<A NAME="DOC.2.73.15"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline void setColor( const <!1><A HREF="Vec4.html">Vec4</A> &amp;color )</B></TT>
<DL><DT><DD></DL><P>
<A NAME="getColor"></A>
<A NAME="DOC.2.73.16"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline const <!1><A HREF="Vec4.html">Vec4</A>&amp; getColor() const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="FogCoordinateSource"></A>
<A NAME="DOC.2.73.17"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>enum FogCoordinateSource</B></TT>
<DL><DT><DD></DL><P><DL>
<A NAME="FOG_COORDINATE"></A>
<A NAME="DOC.2.73.17.1"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> FOG_COORDINATE</B></TT>
<DL><DT><DD></DL><P>
<A NAME="FRAGMENT_DEPTH"></A>
<A NAME="DOC.2.73.17.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> FRAGMENT_DEPTH</B></TT>
<DL><DT><DD></DL><P></DL>
<A NAME="setFogCoordinateSource"></A>
<A NAME="DOC.2.73.18"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline void setFogCoordinateSource(GLint source)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="getFogCoordinateSource"></A>
<A NAME="DOC.2.73.19"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline GLint getFogCoordinateSource() const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="apply"></A>
<A NAME="DOC.2.73.20"></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="~Fog"></A>
<A NAME="DOC.2.73.21"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual ~Fog()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_mode"></A>
<A NAME="DOC.2.73.22"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Fog.html#DOC.2.73.6">Mode</A> _mode</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_density"></A>
<A NAME="DOC.2.73.23"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>float _density</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_start"></A>
<A NAME="DOC.2.73.24"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>float _start</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_end"></A>
<A NAME="DOC.2.73.25"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>float _end</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_color"></A>
<A NAME="DOC.2.73.26"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Vec4.html">Vec4</A> _color</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_fogCoordinateSource"></A>
<A NAME="DOC.2.73.27"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>GLint _fogCoordinateSource</B></TT>
<DL><DT><DD></DL><P></DL>
<HR><DL><DT><B>This class has no child classes.</B></DL>
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