Qt Documentation

Qt 5.12
Qt 3D
C++ Classes
QBlendEquation

QBlendEquation Class

(Qt3DRender::QBlendEquation)

The QBlendEquation class specifies the equation used for both the RGB blend equation and the Alpha blend equation. More...

Header:	#include <Qt3DRender/QBlendEquation>
qmake:	QT += 3drender
Since:	Qt 5.7
Instantiated By:	BlendEquation
Inherits:	Qt3DRender::QRenderState

Public Types

enum	BlendFunction { Add, Subtract, ReverseSubtract, Min, Max }

Properties

blendFunction : BlendFunction

3 properties inherited from Qt3DCore::QNode
1 property inherited from QObject

Public Functions

	QBlendEquation(Qt3DCore::QNode *parent = nullptr)
Qt3DRender::QBlendEquation::BlendFunction	blendFunction() const

13 public functions inherited from Qt3DCore::QNode
31 public functions inherited from QObject

Public Slots

void	setBlendFunction(Qt3DRender::QBlendEquation::BlendFunction blendFunction)

3 public slots inherited from Qt3DCore::QNode
1 public slot inherited from QObject

Signals

void	blendFunctionChanged(Qt3DRender::QBlendEquation::BlendFunction blendFunction)

4 signals inherited from Qt3DCore::QNode
2 signals inherited from QObject

Static Public Members

const QMetaObject staticMetaObject

9 static public members inherited from QObject

Additional Inherited Members

2 protected functions inherited from Qt3DCore::QNode
9 protected functions inherited from QObject

Detailed Description

The QBlendEquation class specifies the equation used for both the RGB blend equation and the Alpha blend equation.

The blend equation is used to determine how a new pixel is combined with a pixel already in the framebuffer.

Member Type Documentation

enum QBlendEquation::BlendFunction

Constant	Value	Description
`Qt3DRender::QBlendEquation::Add`	`0x8006`	GL_FUNC_ADD
`Qt3DRender::QBlendEquation::Subtract`	`0x800A`	GL_FUNC_SUBTRACT
`Qt3DRender::QBlendEquation::ReverseSubtract`	`0x800B`	GL_FUNC_REVERSE_SUBTRACT
`Qt3DRender::QBlendEquation::Min`	`0x8007`	GL_MIN
`Qt3DRender::QBlendEquation::Max`	`0x8008`	GL_MAX

Property Documentation

blendFunction : BlendFunction

Holds the blend function, which determines how source and destination colors are combined.

Access functions:

Qt3DRender::QBlendEquation::BlendFunction	blendFunction() const
void	setBlendFunction(Qt3DRender::QBlendEquation::BlendFunction blendFunction)

Notifier signal:

void	blendFunctionChanged(Qt3DRender::QBlendEquation::BlendFunction blendFunction)

Member Function Documentation

QBlendEquation::QBlendEquation(Qt3DCore::QNode **parent* = nullptr)

The constructor creates a new blend state object with the specified parent.

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