osg::BlendColor Class Reference

Inheritance diagram for osg::BlendColor:

List of all members.

Public Member Functions
	BlendColor ()
	BlendColor (const osg::Vec4 &constantColor)
	BlendColor (const BlendColor &trans, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
	META_StateAttribute (osg, BlendColor, BLENDCOLOR)
virtual int	compare (const StateAttribute &sa) const
virtual bool	getModeUsage (ModeUsage &usage) const
void	setConstantColor (const osg::Vec4 &color)
osg::Vec4	getConstantColor () const
virtual void	apply (State &state) const
Static Public Member Functions
static Extensions *	getExtensions (unsigned int contextID, bool createIfNotInitalized)
static void	setExtensions (unsigned int contextID, Extensions *extensions)
Protected Member Functions
virtual	~BlendColor ()
Protected Attributes
osg::Vec4	_constantColor
Classes
class	Extensions

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Detailed Description

Encapsulates OpenGL blend/transparency state.

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Constructor & Destructor Documentation

osg::BlendColor::BlendColor

(

)

osg::BlendColor::BlendColor

(

const osg::Vec4 &

constantColor

)

osg::BlendColor::BlendColor	(	const BlendColor &	trans,
		const CopyOp &	copyop = CopyOp::SHALLOW_COPY
	)			[inline]

Copy constructor using CopyOp to manage deep vs shallow copy.

virtual osg::BlendColor::~BlendColor

(

)

[protected, virtual]

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Member Function Documentation

virtual void osg::BlendColor::apply

(

State &

state

)

const [virtual]

apply the OpenGL state attributes. The global state for the current OpenGL context is passed in to allow the StateAttribute to obtain details on the the current context and state.

Implements osg::StateAttribute.

virtual int osg::BlendColor::compare

(

const StateAttribute &

sa

)

const [inline, virtual]

Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.

Implements osg::StateAttribute.

osg::Vec4 osg::BlendColor::getConstantColor

(

)

const [inline]

static Extensions* osg::BlendColor::getExtensions	(	unsigned int	contextID,
		bool	createIfNotInitalized
	)			[static]

Returns the Extensions object for the given context. If createIfNotInitalized is true and the Exentsions object doesn't exist, getExtensions() creates it on the given context. Returns NULL if createIfNotInitalized is false and the Extensions object doesn't exist.

virtual bool osg::BlendColor::getModeUsage

(

ModeUsage &

usage

)

const [inline, virtual]

osg::BlendColor::META_StateAttribute	(	osg	,
		BlendColor	,
		BLENDCOLOR
	)

void osg::BlendColor::setConstantColor

(

const osg::Vec4 &

color

)

[inline]

static void osg::BlendColor::setExtensions	(	unsigned int	contextID,
		Extensions *	extensions
	)			[static]

setExtensions() allows users to override the extensions across graphics contexts. Typically used when you have different extensions supported across graphics pipes, but need to ensure that they all use the same low common denominator extensions.

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Member Data Documentation

osg::Vec4 osg::BlendColor::_constantColor [protected]

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The documentation for this class was generated from the following file:

• BlendColor

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