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OpenSceneGraph/doc/doc++/osg/Texture2D.html
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2002-08-29 14:39:41 +00:00

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE>class SG_EXPORT osg::Texture2D</TITLE>
<META NAME="GENERATOR" CONTENT="DOC++ 3.4.8">
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<BODY BGCOLOR="#ffffff">
<H2>class SG_EXPORT <A HREF="#DOC.DOCU">osg::Texture2D</A></H2></H2><BLOCKQUOTE>Texture state class which encapsulates OpenGl texture functionality</BLOCKQUOTE>
<HR>
<H2>Inheritance:</H2>
<APPLET CODE="ClassGraph.class" WIDTH=600 HEIGHT=155>
<param name=classes value="CReferenced,MReferenced.html,CObject,MObject.html,CStateAttribute,MStateAttribute.html,CTexture,MTexture.html,CTexture2D,MTexture2D.html">
<param name=before value="M,M,M,M,M">
<param name=after value="Md_SPSPSP,Md_SPSP,Md_SP,Md_,M">
<param name=indent value="0,1,2,3,4">
<param name=arrowdir value="down">
</APPLET>
<HR>
<DL>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.138.1">Texture2D</A></B>()
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.138.2">Texture2D</A></B>(const <!1><A HREF="Texture2D.html#DOC.2.138.2">Texture2D</A>&amp; text, 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>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif> <B><A HREF="#DOC.2.138.3">META_StateAttribute</A></B>(<!1><A HREF="osg.html">osg</A>, <!1><A HREF="Texture2D.html">Texture2D</A>, <!1><A HREF="StateAttribute.html#DOC.2.125.6.1">TEXTURE</A>)
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual int <B><A HREF="#DOC.2.138.4">compare</A></B>(const <!1><A HREF="StateAttribute.html">StateAttribute</A>&amp; rhs) const
<DD><I>return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual void <B><A HREF="#DOC.2.138.5">getAssociatedModes</A></B>(std::vector&lt;<!1><A HREF="StateAttribute.html#DOC.2.125.1">GLMode</A>&gt;&amp; modes) const
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.138.6">setImage</A></B>(<!1><A HREF="Image.html">Image</A>* image)
<DD><I>Set the texture image.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="Image.html">Image</A>* <B><A HREF="#DOC.2.138.7">getImage</A></B>()
<DD><I>Get the texture image.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline const <!1><A HREF="Image.html">Image</A>* <B><A HREF="#DOC.2.138.8">getImage</A></B>() const
<DD><I>Get the const texture image.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline void <B><A HREF="#DOC.2.138.9">setTextureSize</A></B>(const int <!1><A HREF="Viewport.html#DOC.2.153.9">width</A>, const int <!1><A HREF="Viewport.html#DOC.2.153.10">height</A>) const
<DD><I>Set the texture width and height.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>inline void <B><A HREF="#DOC.2.138.10">getTextureSize</A></B>(int&amp; <!1><A HREF="Viewport.html#DOC.2.153.9">width</A>, int&amp; <!1><A HREF="Viewport.html#DOC.2.153.10">height</A>) const
<DD><I>Get the texture subload width.</I>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.138.12">setSubloadCallback</A></B>(<!1><A HREF="SubloadCallback.2.html">SubloadCallback</A>* cb)
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="SubloadCallback.2.html">SubloadCallback</A>* <B><A HREF="#DOC.2.138.13">getSubloadCallback</A></B>()
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>const <!1><A HREF="SubloadCallback.2.html">SubloadCallback</A>* <B><A HREF="#DOC.2.138.14">getSubloadCallback</A></B>() const
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.138.15">setNumMipmapLevels</A></B>(unsigned int num) const
<DD><I>Set the number of mip map levels the the texture has been created with, should only be called within an osg::Texuture::apply() and custom OpenGL texture load</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>unsigned int <B><A HREF="#DOC.2.138.16">getNumMipmapLevels</A></B>() const
<DD><I>Get the number of mip map levels the the texture has been created with</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.138.17">copyTexImage2D</A></B>(<!1><A HREF="State.html">State</A>&amp; state, int <!1><A HREF="Viewport.html#DOC.2.153.7">x</A>, int <!1><A HREF="Viewport.html#DOC.2.153.8">y</A>, int <!1><A HREF="Viewport.html#DOC.2.153.9">width</A>, int <!1><A HREF="Viewport.html#DOC.2.153.10">height</A> )
<DD><I>Copy pixels into a 2D texture imageAs per glCopyTexImage2D.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>void <B><A HREF="#DOC.2.138.18">copyTexSubImage2D</A></B>(<!1><A HREF="State.html">State</A>&amp; state, int xoffset, int yoffset, int <!1><A HREF="Viewport.html#DOC.2.153.7">x</A>, int <!1><A HREF="Viewport.html#DOC.2.153.8">y</A>, int <!1><A HREF="Viewport.html#DOC.2.153.9">width</A>, int <!1><A HREF="Viewport.html#DOC.2.153.10">height</A> )
<DD><I>Copy a two-dimensional texture subimage.</I>
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual void <B><A HREF="#DOC.2.138.19">apply</A></B>(<!1><A HREF="State.html">State</A>&amp; state) const
<DD><I>On first apply (unless already compiled), create the minmapped texture and bind it, subsequent apply will simple bind to texture</I>
</DL></P>
<P><DL>
<DT><H3>Public Members</H3><DD><DT>
class <B><A HREF="SubloadCallback.2.html">SubloadCallback</A></B>: public <!1><A HREF="Referenced.html">Referenced</A>
</DL></P>
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<DT><H3>Protected Fields</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>mutable <!1><A HREF="ref_ptr.html">ref_ptr</A>&lt;<!1><A HREF="Image.html">Image</A>&gt; <B><A HREF="#DOC.2.138.22">_image</A></B>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>mutable GLsizei <B><A HREF="#DOC.2.138.23">_textureWidth</A></B>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>mutable GLsizei <B><A HREF="#DOC.2.138.24">_textureHeight</A></B>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>mutable GLsizei <B><A HREF="#DOC.2.138.25">_numMimpmapLevels</A></B>
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<IMG ALT="[more]" BORDER=0 SRC=icon1.gif><!1><A HREF="ref_ptr.html">ref_ptr</A>&lt;<!1><A HREF="SubloadCallback.2.html">SubloadCallback</A>&gt; <B><A HREF="#DOC.2.138.26">_subloadCallback</A></B>
</DL></P>
<P><DL>
<DT><H3>Protected Methods</H3><DD><DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual <B><A HREF="#DOC.2.138.20">~Texture2D</A></B>()
<DT>
<IMG ALT="[more]" BORDER=0 SRC=icon1.gif>virtual void <B><A HREF="#DOC.2.138.21">computeInternalFormat</A></B>() const
</DL></P>
</DL>
<HR><H3>Inherited from <A HREF="Texture.html">Texture</A>:</H3>
<DL>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>virtual <!1><A HREF="Object.html">osg::Object</A>* <B>cloneType</B>() const
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<IMG ALT="o" SRC=icon2.gif>virtual <!1><A HREF="Object.html">osg::Object</A>* <B>clone</B>(const <!1><A HREF="CopyOp.html">CopyOp</A>&amp; copyop) const
<DT>
<IMG ALT="o" SRC=icon2.gif>virtual bool <B>isSameKindAs</B>(const <!1><A HREF="Object.html">osg::Object</A>* obj) const
<DT>
<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 const <!1><A HREF="StateAttribute.html#DOC.2.125.5">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>void <B>setWrap</B>(const <!1><A HREF="Texture.html#DOC.2.136.10">WrapParameter</A> which, const <!1><A HREF="Texture.html#DOC.2.136.11">WrapMode</A> wrap)
<DT>
<IMG ALT="o" SRC=icon2.gif>const <!1><A HREF="Texture.html#DOC.2.136.11">WrapMode</A> <B>getWrap</B>(const <!1><A HREF="Texture.html#DOC.2.136.10">WrapParameter</A> which) const
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setBorderColor</B>(const <!1><A HREF="Vec4.html">Vec4</A>&amp; color)
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<IMG ALT="o" SRC=icon2.gif>const <!1><A HREF="Vec4.html">Vec4</A>&amp; <B>borderColor</B>(void) const
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setFilter</B>(const <!1><A HREF="Texture.html#DOC.2.136.16">FilterParameter</A> which, const <!1><A HREF="Texture.html#DOC.2.136.17">FilterMode</A> filter)
<DT>
<IMG ALT="o" SRC=icon2.gif>const <!1><A HREF="Texture.html#DOC.2.136.17">FilterMode</A> <B>getFilter</B>(const <!1><A HREF="Texture.html#DOC.2.136.16">FilterParameter</A> which) const
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>setMaxAnisotropy</B>(float anis)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline float <B>getMaxAnisotropy</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>setInternalFormatMode</B>(const <!1><A HREF="Texture.html#DOC.2.136.22">InternalFormatMode</A> mode)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline const <!1><A HREF="Texture.html#DOC.2.136.22">InternalFormatMode</A> <B>getInternalFormatMode</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>setInternalFormat</B>(const int internalFormat)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline const int <B>getInternalFormat</B>() const
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<IMG ALT="o" SRC=icon2.gif>bool <B>isCompressedInternalFormat</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline GLuint&amp; <B>getTextureObject</B>(const uint contextID) const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline uint&amp; <B>getModifiedTag</B>(const uint contextID) const
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>dirtyTextureObject</B>()
<DT>
<IMG ALT="o" SRC=icon2.gif>static void <B>deleteTextureObject</B>(uint contextID, GLuint handle)
<DT>
<IMG ALT="o" SRC=icon2.gif>static void <B>flushDeletedTextureObjects</B>(uint contextID)
<DT>
<IMG ALT="o" SRC=icon2.gif>static GLint <B>getMaxTextureSize</B>()
<DT>
<IMG ALT="o" SRC=icon2.gif>virtual void <B>compile</B>(<!1><A HREF="State.html">State</A>&amp; state) const
</DL></P>
<P><DL>
<DT><H3>Public Members</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>enum <B>WrapParameter</B>
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<IMG ALT="o" SRC=icon2.gif>enum <B>WrapMode</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>enum <B>FilterParameter</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>enum <B>FilterMode</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>enum <B>InternalFormatMode</B>
<DT>
<IMG ALT="o" SRC=icon2.gif> <B>Get the handle to the texture object for the current context</B>
</DL></P>
<P><DL>
<DT><H3>Protected Fields</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="Texture.html#DOC.2.136.11">WrapMode</A> <B>_wrap_s</B>
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<IMG ALT="o" SRC=icon2.gif><!1><A HREF="Texture.html#DOC.2.136.11">WrapMode</A> <B>_wrap_t</B>
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<IMG ALT="o" SRC=icon2.gif><!1><A HREF="Texture.html#DOC.2.136.11">WrapMode</A> <B>_wrap_r</B>
<DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="Texture.html#DOC.2.136.17">FilterMode</A> <B>_min_filter</B>
<DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="Texture.html#DOC.2.136.17">FilterMode</A> <B>_mag_filter</B>
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<IMG ALT="o" SRC=icon2.gif>float <B>_maxAnisotropy</B>
<DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="Vec4.html">Vec4</A> <B>_borderColor</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>mutable bool <B>_texParametersDirty</B>
<DT>
<IMG ALT="o" SRC=icon2.gif><!1><A HREF="Texture.html#DOC.2.136.22">InternalFormatMode</A> <B>_internalFormatMode</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>mutable GLint <B>_internalFormat</B>
</DL></P>
<P><DL>
<DT><H3>Protected Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>void <B>computeInternalFormatWithImage</B>(<!1><A HREF="Image.html">osg::Image</A>&amp; image) const
<DT>
<IMG ALT="o" SRC=icon2.gif>bool <B>isCompressedInternalFormat</B>(GLint internalFormat) const
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>applyTexParameters</B>(GLenum target, <!1><A HREF="State.html">State</A>&amp; state) const
<DT>
<IMG ALT="o" SRC=icon2.gif>void <B>applyTexImage2D</B>(GLenum target, <!1><A HREF="Image.html">Image</A>* image, <!1><A HREF="State.html">State</A>&amp; state, GLsizei&amp; <!1><A HREF="Viewport.html#DOC.2.153.9">width</A>, GLsizei&amp; <!1><A HREF="Viewport.html#DOC.2.153.10">height</A>, GLsizei&amp; numMimpmapLevels) const
<DT>
<IMG ALT="o" SRC=icon2.gif>int <B>compareTexture</B>(const <!1><A HREF="Texture.html">Texture</A>&amp; rhs) const
</DL></P>
<P><DL>
<DT><H3>Protected Members</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>typedef std::vector&lt;GLuint&gt; TextureNameList mutable TextureNameList <B>_handleList</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>typedef std::vector&lt;uint&gt; ImageModifiedTag mutable ImageModifiedTag <B>_modifiedTag</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>typedef std::map&lt;uint,std::set&lt;uint&gt; &gt;static DeletedTextureObjectCache DeletedTextureObjectCache <B>s_deletedTextureObjectCache</B>
</DL></P>
</DL>
<HR><H3>Inherited from <A HREF="StateAttribute.html">StateAttribute</A>:</H3>
<DL>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>bool <B>operator < </B>(const <!1><A HREF="StateAttribute.html">StateAttribute</A>&amp; rhs) const
<DT>
<IMG ALT="o" SRC=icon2.gif>bool <B>operator == </B>(const <!1><A HREF="StateAttribute.html">StateAttribute</A>&amp; rhs) const
<DT>
<IMG ALT="o" SRC=icon2.gif>bool <B>operator != </B>(const <!1><A HREF="StateAttribute.html">StateAttribute</A>&amp; rhs) const
</DL></P>
<P><DL>
<DT><H3>Public Members</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>typedef GLenum <B>GLMode</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>typedef unsigned int <B>GLModeValue</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>typedef unsigned int <B>OverrideValue</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>enum <B>Values</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>typedef unsigned int <B>Type</B>
<DT>
<IMG ALT="o" SRC=icon2.gif>enum <B>Types</B>
</DL></P>
</DL>
<HR><H3>Inherited from <A HREF="Object.html">Object</A>:</H3>
<DL>
<P><DL>
<DT><H3>Public Methods</H3><DD><DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>setDataVariance</B>(const <!1><A HREF="Object.html#DOC.2.90.8">DataVariance</A> dv)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline const <!1><A HREF="Object.html#DOC.2.90.8">DataVariance</A> <B>getDataVariance</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>setUserData</B>(<!1><A HREF="Referenced.html">Referenced</A>* obj)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline <!1><A HREF="Referenced.html">Referenced</A>* <B>getUserData</B>()
<DT>
<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.2.90.8">DataVariance</A> <B>_dataVariance</B>
<DT>
<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>(<!1><A HREF="Referenced.html">Referenced</A>&amp;)
<DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>ref</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>unref</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline void <B>unref_nodelete</B>() const
<DT>
<IMG ALT="o" SRC=icon2.gif>inline const int <B>referenceCount</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>Texture state class which encapsulates OpenGl texture functionality</BLOCKQUOTE>
<DL>
<A NAME="Texture2D"></A>
<A NAME="DOC.2.138.1"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> Texture2D()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="Texture2D"></A>
<A NAME="DOC.2.138.2"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> Texture2D(const <!1><A HREF="Texture2D.html#DOC.2.138.2">Texture2D</A>&amp; text, 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.2.138.3"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B> META_StateAttribute(<!1><A HREF="osg.html">osg</A>, <!1><A HREF="Texture2D.html">Texture2D</A>, <!1><A HREF="StateAttribute.html#DOC.2.125.6.1">TEXTURE</A>)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="compare"></A>
<A NAME="DOC.2.138.4"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual int compare(const <!1><A HREF="StateAttribute.html">StateAttribute</A>&amp; rhs) 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.2.138.5"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual void getAssociatedModes(std::vector&lt;<!1><A HREF="StateAttribute.html#DOC.2.125.1">GLMode</A>&gt;&amp; modes) const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="setImage"></A>
<A NAME="DOC.2.138.6"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void setImage(<!1><A HREF="Image.html">Image</A>* image)</B></TT>
<DD>Set the texture image.
<DL><DT><DD></DL><P>
<A NAME="getImage"></A>
<A NAME="DOC.2.138.7"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="Image.html">Image</A>* getImage()</B></TT>
<DD>Get the texture image.
<DL><DT><DD></DL><P>
<A NAME="getImage"></A>
<A NAME="DOC.2.138.8"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline const <!1><A HREF="Image.html">Image</A>* getImage() const </B></TT>
<DD>Get the const texture image.
<DL><DT><DD></DL><P>
<A NAME="setTextureSize"></A>
<A NAME="DOC.2.138.9"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline void setTextureSize(const int <!1><A HREF="Viewport.html#DOC.2.153.9">width</A>, const int <!1><A HREF="Viewport.html#DOC.2.153.10">height</A>) const </B></TT>
<DD>Set the texture width and height. If width or height are zero then
the repsective size value is calculated from the source image sizes.
<DL><DT><DD></DL><P>
<A NAME="getTextureSize"></A>
<A NAME="DOC.2.138.10"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>inline void getTextureSize(int&amp; <!1><A HREF="Viewport.html#DOC.2.153.9">width</A>, int&amp; <!1><A HREF="Viewport.html#DOC.2.153.10">height</A>) const </B></TT>
<DD>Get the texture subload width.
<DL><DT><DD></DL><P>
<A NAME="setSubloadCallback"></A>
<A NAME="DOC.2.138.12"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void setSubloadCallback(<!1><A HREF="SubloadCallback.2.html">SubloadCallback</A>* cb)</B></TT>
<DL><DT><DD></DL><P>
<A NAME="getSubloadCallback"></A>
<A NAME="DOC.2.138.13"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="SubloadCallback.2.html">SubloadCallback</A>* getSubloadCallback()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="getSubloadCallback"></A>
<A NAME="DOC.2.138.14"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>const <!1><A HREF="SubloadCallback.2.html">SubloadCallback</A>* getSubloadCallback() const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="setNumMipmapLevels"></A>
<A NAME="DOC.2.138.15"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void setNumMipmapLevels(unsigned int num) const </B></TT>
<DD>Set the number of mip map levels the the texture has been created with,
should only be called within an osg::Texuture::apply() and custom OpenGL texture load
<DL><DT><DD></DL><P>
<A NAME="getNumMipmapLevels"></A>
<A NAME="DOC.2.138.16"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>unsigned int getNumMipmapLevels() const </B></TT>
<DD>Get the number of mip map levels the the texture has been created with
<DL><DT><DD></DL><P>
<A NAME="copyTexImage2D"></A>
<A NAME="DOC.2.138.17"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void copyTexImage2D(<!1><A HREF="State.html">State</A>&amp; state, int <!1><A HREF="Viewport.html#DOC.2.153.7">x</A>, int <!1><A HREF="Viewport.html#DOC.2.153.8">y</A>, int <!1><A HREF="Viewport.html#DOC.2.153.9">width</A>, int <!1><A HREF="Viewport.html#DOC.2.153.10">height</A> )</B></TT>
<DD>Copy pixels into a 2D texture imageAs per glCopyTexImage2D.
Creates an OpenGL texture object from the current OpenGL background
framebuffer contents at pos \a x, \a y with width \a width and
height \a height. \a width and \a height must be a power of two.
<DL><DT><DD></DL><P>
<A NAME="copyTexSubImage2D"></A>
<A NAME="DOC.2.138.18"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>void copyTexSubImage2D(<!1><A HREF="State.html">State</A>&amp; state, int xoffset, int yoffset, int <!1><A HREF="Viewport.html#DOC.2.153.7">x</A>, int <!1><A HREF="Viewport.html#DOC.2.153.8">y</A>, int <!1><A HREF="Viewport.html#DOC.2.153.9">width</A>, int <!1><A HREF="Viewport.html#DOC.2.153.10">height</A> )</B></TT>
<DD>Copy a two-dimensional texture subimage. As per glCopyTexSubImage2D.
Updates portion of an existing OpenGL texture object from the current OpenGL background
framebuffer contents at pos \a x, \a y with width \a width and
height \a height. \a width and \a height must be a power of two,
and writing into the texture with offset \a xoffset and \a yoffset.
<DL><DT><DD></DL><P>
<A NAME="apply"></A>
<A NAME="DOC.2.138.19"></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>
<DD>On first apply (unless already compiled), create the minmapped
texture and bind it, subsequent apply will simple bind to texture
<DL><DT><DD></DL><P>
<A NAME="~Texture2D"></A>
<A NAME="DOC.2.138.20"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual ~Texture2D()</B></TT>
<DL><DT><DD></DL><P>
<A NAME="computeInternalFormat"></A>
<A NAME="DOC.2.138.21"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>virtual void computeInternalFormat() const </B></TT>
<DL><DT><DD></DL><P>
<A NAME="_image"></A>
<A NAME="DOC.2.138.22"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>mutable <!1><A HREF="ref_ptr.html">ref_ptr</A>&lt;<!1><A HREF="Image.html">Image</A>&gt; _image</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_textureWidth"></A>
<A NAME="DOC.2.138.23"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>mutable GLsizei _textureWidth</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_textureHeight"></A>
<A NAME="DOC.2.138.24"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>mutable GLsizei _textureHeight</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_numMimpmapLevels"></A>
<A NAME="DOC.2.138.25"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B>mutable GLsizei _numMimpmapLevels</B></TT>
<DL><DT><DD></DL><P>
<A NAME="_subloadCallback"></A>
<A NAME="DOC.2.138.26"></A>
<DT><IMG ALT="o" BORDER=0 SRC=icon2.gif><TT><B><!1><A HREF="ref_ptr.html">ref_ptr</A>&lt;<!1><A HREF="SubloadCallback.2.html">SubloadCallback</A>&gt; _subloadCallback</B></TT>
<DL><DT><DD></DL><P></DL>
<HR><DL><DT><B>This class has no child classes.</B></DL>
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