SoBlendElement Class Reference
[Elements]

Stores the current blending mode and parameters. More...

#include <Inventor/elements/SoBlendElement.h>

Inheritance diagram for SoBlendElement:

List of all members.

Classes
struct	BlendElementParameters
	BlendElementParameters packages all the different blending parameters. More...
Public Types
enum	BlendFactor {   ZERO = SbEnums::BLEND_ZERO,   ONE = SbEnums::BLEND_ONE,   SRC_COLOR = SbEnums::BLEND_SRC_COLOR,   ONE_MINUS_SRC_COLOR = SbEnums::BLEND_ONE_MINUS_SRC_COLOR,   DST_COLOR = SbEnums::BLEND_DST_COLOR,   ONE_MINUS_DST_COLOR = SbEnums::BLEND_ONE_MINUS_DST_COLOR,   SRC_ALPHA = SbEnums::BLEND_SRC_ALPHA,   ONE_MINUS_SRC_ALPHA = SbEnums::BLEND_ONE_MINUS_SRC_ALPHA,   DST_ALPHA = SbEnums::BLEND_DST_ALPHA,   ONE_MINUS_DST_ALPHA = SbEnums::BLEND_ONE_MINUS_DST_ALPHA,   CONSTANT_COLOR = SbEnums::BLEND_CONSTANT_COLOR,   ONE_MINUS_CONSTANT_COLOR = SbEnums::BLEND_ONE_MINUS_CONSTANT_COLOR,   CONSTANT_ALPHA = SbEnums::BLEND_CONSTANT_ALPHA,   ONE_MINUS_CONSTANT_ALPHA = SbEnums::BLEND_ONE_MINUS_CONSTANT_ALPHA,   SRC_ALPHA_SATURATE = SbEnums::BLEND_SRC_ALPHA_SATURATE,   SRC1_COLOR = SbEnums::BLEND_SRC1_COLOR,   ONE_MINUS_SRC1_COLOR = SbEnums::BLEND_ONE_MINUS_SRC1_COLOR,   SRC1_ALPHA = SbEnums::BLEND_SRC1_ALPHA,   ONE_MINUS_SRC1_ALPHA = SbEnums::BLEND_ONE_MINUS_SRC1_ALPHA }
enum	BlendEquation {   FUNC_ADD = SbEnums::BLEND_FUNC_ADD,   FUNC_SUBTRACT = SbEnums::BLEND_FUNC_SUBTRACT,   FUNC_REVERSE_SUBTRACT = SbEnums::BLEND_FUNC_REVERSE_SUBTRACT,   MIN = SbEnums::BLEND_FUNC_MIN,   MAX = SbEnums::BLEND_FUNC_MAX }
Public Member Functions
virtual void	print (FILE *fp) const
virtual void	push (SoState *state)
virtual void	pop (SoState *state, const SoElement *prevTopElement)
Static Public Member Functions
static SoType	getClassTypeId ()
static int	getClassStackIndex ()
static void	set (SoState *state, const BlendElementParameters &parameters)
static void	setBlending (SoState *state, bool enabled)
static void	setFunction (SoState *state, const BlendFactor source, const BlendFactor destination)
static void	get (SoState *state, BlendElementParameters &parameter)

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Detailed Description

Stores the current blending mode and parameters.

This element stores the current blending mode, including source and target factors for RGB and Alpha values, equation and color.

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Member Enumeration Documentation

enum SoBlendElement::BlendEquation

Blend Equation as defined by OpenGL's glBlendEquation.

Enumerator:

FUNC_ADD
FUNC_SUBTRACT
FUNC_REVERSE_SUBTRACT
MIN
MAX

enum SoBlendElement::BlendFactor

BlendFactor as defined by OpenGL's glBlendFunc.

Enumerator:

ZERO
ONE
SRC_COLOR
ONE_MINUS_SRC_COLOR
DST_COLOR
ONE_MINUS_DST_COLOR
SRC_ALPHA
ONE_MINUS_SRC_ALPHA
DST_ALPHA
ONE_MINUS_DST_ALPHA
CONSTANT_COLOR
ONE_MINUS_CONSTANT_COLOR
CONSTANT_ALPHA
ONE_MINUS_CONSTANT_ALPHA
SRC_ALPHA_SATURATE
SRC1_COLOR
ONE_MINUS_SRC1_COLOR
SRC1_ALPHA
ONE_MINUS_SRC1_ALPHA

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Member Function Documentation

static void SoBlendElement::get	(	SoState *	state,
		BlendElementParameters &	parameter
	)			[static]

Retrieves the current blending parameters.

static int SoBlendElement::getClassStackIndex

(

)

[static]

Returns the stack id for this element.

Reimplemented from SoElement.

static SoType SoBlendElement::getClassTypeId

(

)

[static]

Returns the type identifier for this class.

Reimplemented from SoElement.

virtual void SoBlendElement::pop	(	SoState *	state,
		const SoElement *	prevTopElement
	)			[virtual]

Override pop() method to keep GL up to date.

virtual void SoBlendElement::print

(

FILE *

fp

)

const [virtual]

Prints element (for debugging).

Reimplemented from SoElement.

virtual void SoBlendElement::push

(

SoState *

state

)

[virtual]

Override push() method to keep GL up to date.

Reimplemented from SoElement.

static void SoBlendElement::set	(	SoState *	state,
		const BlendElementParameters &	parameters
	)			[static]

Sets the blending parameters.

static void SoBlendElement::setBlending	(	SoState *	state,
		bool	enabled
	)			[static]

Enable or disable blending.

static void SoBlendElement::setFunction	(	SoState *	state,
		const BlendFactor	source,
		const BlendFactor	destination
	)			[static]

Sets the blending function.

Convenience function to shorten code only setting the blending function withput separating components.

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

• Inventor/elements/SoBlendElement.h