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OpenSceneGraph/doc/doc++/osg/BlendFunc.html
Robert Osfield ed10594139 Updated docs
2004-08-06 06:53:36 +00:00

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<TITLE>class SG_EXPORT osg::BlendFunc</TITLE>
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<H2>class SG_EXPORT <A HREF="#DOC.DOCU">osg::BlendFunc</A></H2></H2><BLOCKQUOTE>BlendFunc - encapsulates the OpenGL blend/transparency state</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,CBlendFunc,MBlendFunc.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 Classes</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>enum <B><A HREF="#DOC.2.45.7">BlendFuncMode</A></B>
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<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.45.1">BlendFunc</A></B>()
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.45.2">BlendFunc</A></B>(GLenum source, GLenum destination)
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.45.3">BlendFunc</A></B>(const <!1><A HREF="BlendFunc.html#DOC.2.45.3">BlendFunc</A>&amp; trans, 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.2.45.4">META_StateAttribute</A></B>(<!1><A HREF="osg.html">osg</A>, <!1><A HREF="BlendFunc.html">BlendFunc</A>, <!1><A HREF="StateAttribute.html#DOC.2.229.6.29">BLENDFUNC</A>)
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual int <B><A HREF="#DOC.2.45.5">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 bool <B><A HREF="#DOC.2.45.6">getModeUsage</A></B>(<!1><A HREF="StateAttribute.html#DOC.2.229.20">ModeUsage</A>&amp; usage) const
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline void <B><A HREF="#DOC.2.45.8">setFunction</A></B>( GLenum source, GLenum destination )
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.45.9">setSource</A></B>(GLenum source)
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline GLenum <B><A HREF="#DOC.2.45.10">getSource</A></B>() const
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.45.11">setDestination</A></B>(GLenum destination)
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline GLenum <B><A HREF="#DOC.2.45.12">getDestination</A></B>() const
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual void <B><A HREF="#DOC.2.45.13">apply</A></B>(<!1><A HREF="State.html">State</A>&amp; state) const
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<DT><H3>Protected Fields</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>GLenum <B><A HREF="#DOC.2.45.15">_source_factor</A></B>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>GLenum <B><A HREF="#DOC.2.45.16">_destination_factor</A></B>
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<P><DL>
<DT><H3>Protected Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual <B><A HREF="#DOC.2.45.14">~BlendFunc</A></B>()
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</DL>
<HR><H3>Inherited from <A HREF="StateAttribute.html">StateAttribute</A>:</H3>
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<DT><H3>Public Classes</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>enum <B>Values</B>
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<IMG ALT="o" SRC=icon2.gif>enum <B>Types</B>
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<IMG ALT="o" SRC=icon2.gif>struct <B>ModeUsage</B>
</DL></P>
<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.2.229.5">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>compileGLObjects</B>(<!1><A HREF="State.html">State</A>&amp;) const
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<IMG ALT="o" SRC=icon2.gif>virtual void <B>releaseGLObjects</B>(<!1><A HREF="State.html">State</A>* =0) const
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<P><DL>
<DT><H3>Public</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>typedef unsigned int <B>Type</B>
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<HR><H3>Inherited from <A HREF="Object.html">Object</A>:</H3>
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<DT><H3>Public Classes</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>enum <B>DataVariance</B>
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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.2.167.8">DataVariance</A> dv)
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<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="Object.html#DOC.2.167.8">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>Protected Fields</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="Object.html#DOC.2.167.8">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>
<DL>
<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>(const <!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>()
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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_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 OpenThreads::Mutex <B>_refMutex</B>
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<IMG ALT="o" SRC=icon2.gif>mutable int <B>_refCount</B>
</DL></P>
</DL>
<A NAME="DOC.DOCU"></A>
<HR>
<H2>Documentation</H2>
<BLOCKQUOTE>BlendFunc - encapsulates the OpenGL blend/transparency state</BLOCKQUOTE>
<DL>
<A NAME="BlendFunc"></A>
<A NAME="DOC.2.45.1"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> BlendFunc()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="BlendFunc"></A>
<A NAME="DOC.2.45.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> BlendFunc(GLenum source, GLenum destination)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="BlendFunc"></A>
<A NAME="DOC.2.45.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> BlendFunc(const <!1><A HREF="BlendFunc.html#DOC.2.45.3">BlendFunc</A>&amp; trans, 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.2.45.4"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> META_StateAttribute(<!1><A HREF="osg.html">osg</A>, <!1><A HREF="BlendFunc.html">BlendFunc</A>, <!1><A HREF="StateAttribute.html#DOC.2.229.6.29">BLENDFUNC</A>)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="compare"></A>
<A NAME="DOC.2.45.5"></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="getModeUsage"></A>
<A NAME="DOC.2.45.6"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual bool getModeUsage(<!1><A HREF="StateAttribute.html#DOC.2.229.20">ModeUsage</A>&amp; usage) const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="BlendFuncMode"></A>
<A NAME="DOC.2.45.7"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>enum BlendFuncMode</B></TT>
<DL><DT><DD></DL><P><DL>
<A NAME="DST_ALPHA"></A>
<A NAME="DOC.2.45.7.1"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> DST_ALPHA</B></TT>
<DL><DT><DD></DL><P>
<A NAME="DST_COLOR"></A>
<A NAME="DOC.2.45.7.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> DST_COLOR</B></TT>
<DL><DT><DD></DL><P>
<A NAME="ONE"></A>
<A NAME="DOC.2.45.7.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> ONE</B></TT>
<DL><DT><DD></DL><P>
<A NAME="ONE_MINUS_DST_ALPHA"></A>
<A NAME="DOC.2.45.7.4"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> ONE_MINUS_DST_ALPHA</B></TT>
<DL><DT><DD></DL><P>
<A NAME="ONE_MINUS_DST_COLOR"></A>
<A NAME="DOC.2.45.7.5"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> ONE_MINUS_DST_COLOR</B></TT>
<DL><DT><DD></DL><P>
<A NAME="ONE_MINUS_SRC_ALPHA"></A>
<A NAME="DOC.2.45.7.6"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> ONE_MINUS_SRC_ALPHA</B></TT>
<DL><DT><DD></DL><P>
<A NAME="ONE_MINUS_SRC_COLOR"></A>
<A NAME="DOC.2.45.7.7"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> ONE_MINUS_SRC_COLOR</B></TT>
<DL><DT><DD></DL><P>
<A NAME="SRC_ALPHA"></A>
<A NAME="DOC.2.45.7.8"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> SRC_ALPHA</B></TT>
<DL><DT><DD></DL><P>
<A NAME="SRC_ALPHA_SATURATE"></A>
<A NAME="DOC.2.45.7.9"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> SRC_ALPHA_SATURATE</B></TT>
<DL><DT><DD></DL><P>
<A NAME="SRC_COLOR"></A>
<A NAME="DOC.2.45.7.10"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> SRC_COLOR</B></TT>
<DL><DT><DD></DL><P>
<A NAME="CONSTANT_ALPHA"></A>
<A NAME="DOC.2.45.7.11"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> CONSTANT_ALPHA</B></TT>
<DL><DT><DD></DL><P>
<A NAME="ONE_MINUS_CONSTANT_ALPHA"></A>
<A NAME="DOC.2.45.7.12"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> ONE_MINUS_CONSTANT_ALPHA</B></TT>
<DL><DT><DD></DL><P>
<A NAME="ZERO"></A>
<A NAME="DOC.2.45.7.13"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> ZERO</B></TT>
<DL><DT><DD></DL><P></DL>
<A NAME="setFunction"></A>
<A NAME="DOC.2.45.8"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline void setFunction( GLenum source, GLenum destination )</B></TT>
<DL><DT><DD></DL><P>
<A NAME="setSource"></A>
<A NAME="DOC.2.45.9"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void setSource(GLenum source)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="getSource"></A>
<A NAME="DOC.2.45.10"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline GLenum getSource() const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="setDestination"></A>
<A NAME="DOC.2.45.11"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void setDestination(GLenum destination)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="getDestination"></A>
<A NAME="DOC.2.45.12"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline GLenum getDestination() const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="apply"></A>
<A NAME="DOC.2.45.13"></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="~BlendFunc"></A>
<A NAME="DOC.2.45.14"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual ~BlendFunc()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_source_factor"></A>
<A NAME="DOC.2.45.15"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>GLenum _source_factor</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_destination_factor"></A>
<A NAME="DOC.2.45.16"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>GLenum _destination_factor</B></TT>
<DL><DT><DD></DL><P></DL>
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