Qt3DRender::QBlendEquationArguments Class
class Qt3DRender::QBlendEquationArguments封装混合信息：指定输入值（即将绘制的内容）如何影响现有值（已绘制的内容）。更多
| 页眉： | #include <QBlendEquationArguments> |
| CMake： | find_package(Qt6 REQUIRED COMPONENTS 3drender)target_link_libraries(mytarget PRIVATE Qt6::3drender) |
| qmake： | QT += 3drender |
| 在 QML 中： | BlendEquationArguments |
| 继承： | Qt3DRender::QRenderState |
| 状态： | 已废弃 |
公共类型
| enum | Blending { Zero, One, SourceColor, SourceAlpha, Source1Alpha, …, OneMinusSource1Color0 } |
属性
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公共功能
| QBlendEquationArguments(Qt3DCore::QNode *parent = nullptr) | |
| int | bufferIndex() const |
| Qt3DRender::QBlendEquationArguments::Blending | destinationAlpha() const |
| Qt3DRender::QBlendEquationArguments::Blending | destinationRgb() const |
| Qt3DRender::QBlendEquationArguments::Blending | sourceAlpha() const |
| Qt3DRender::QBlendEquationArguments::Blending | sourceRgb() const |
公共插槽
| void | setBufferIndex(int index) |
| void | setDestinationAlpha(Qt3DRender::QBlendEquationArguments::Blending destinationAlpha) |
| void | setDestinationRgb(Qt3DRender::QBlendEquationArguments::Blending destinationRgb) |
| void | setDestinationRgba(Qt3DRender::QBlendEquationArguments::Blending destinationRgba) |
| void | setSourceAlpha(Qt3DRender::QBlendEquationArguments::Blending sourceAlpha) |
| void | setSourceRgb(Qt3DRender::QBlendEquationArguments::Blending sourceRgb) |
| void | setSourceRgba(Qt3DRender::QBlendEquationArguments::Blending sourceRgba) |
信号
| void | bufferIndexChanged(int index) |
| void | destinationAlphaChanged(Qt3DRender::QBlendEquationArguments::Blending destinationAlpha) |
| void | destinationRgbChanged(Qt3DRender::QBlendEquationArguments::Blending destinationRgb) |
| void | destinationRgbaChanged(Qt3DRender::QBlendEquationArguments::Blending destinationRgba) |
| void | sourceAlphaChanged(Qt3DRender::QBlendEquationArguments::Blending sourceAlpha) |
| void | sourceRgbChanged(Qt3DRender::QBlendEquationArguments::Blending sourceRgb) |
| void | sourceRgbaChanged(Qt3DRender::QBlendEquationArguments::Blending sourceRgba) |
详细说明
OpenGL 3.0 之前版本：为所有绘制缓冲区设置相同的混合状态（一个 QBlendEquationArguments）。 OpenGL 3.0-4.0 之前版本：为所有绘制缓冲区设置相同的混合状态，但可禁用特定缓冲区的混合（一个 QBlendEquationArguments 用于设置 glBlendFunc，n 个 QBlendEquationArgumentss 用于启用/禁用绘制缓冲区） OpenGL 4.0+：可为每个绘制缓冲区单独设置混合状态。
成员类型文档
enum QBlendEquationArguments::Blending
| 常数 | 值 | 描述 |
|---|---|---|
Qt3DRender::QBlendEquationArguments::Zero | 0 | GL_ZERO |
Qt3DRender::QBlendEquationArguments::One | 1 | GL_ONE |
Qt3DRender::QBlendEquationArguments::SourceColor | 0x0300 | GL_SRC_COLOR |
Qt3DRender::QBlendEquationArguments::SourceAlpha | 0x0302 | GL_SRC_ALPHA |
Qt3DRender::QBlendEquationArguments::Source1Alpha | 0x303 | GL_SRC1_ALPHA |
Qt3DRender::QBlendEquationArguments::Source1Color | 0x304 | GL_SRC1_COLOR |
Qt3DRender::QBlendEquationArguments::DestinationColor | 0x0306 | GL_DST_COLOR |
Qt3DRender::QBlendEquationArguments::DestinationAlpha | 0x0304 | GL_DST_ALPHA |
Qt3DRender::QBlendEquationArguments::SourceAlphaSaturate | 0x0308 | gl_src_alpha_saturate |
Qt3DRender::QBlendEquationArguments::ConstantColor | 0x8001 | 0GL_CONSTANT_COLOR |
Qt3DRender::QBlendEquationArguments::ConstantAlpha | 0x8003 | gl_constant_alpha |
Qt3DRender::QBlendEquationArguments::OneMinusSourceColor | 0x0301 | gl_one_minus_src_color |
Qt3DRender::QBlendEquationArguments::OneMinusSourceAlpha | 0x0303 | gl_one_minus_src_alpha |
Qt3DRender::QBlendEquationArguments::OneMinusDestinationAlpha | 0x0305 | gl_one_minus_dst_alpha |
Qt3DRender::QBlendEquationArguments::OneMinusDestinationColor | 0x0307 | gl_one_minus_dst_color |
Qt3DRender::QBlendEquationArguments::OneMinusConstantColor | 0x8002 | gl_one_minus_constant_color |
Qt3DRender::QBlendEquationArguments::OneMinusConstantAlpha | 0x8004 | gl_one_minus_constant_alpha |
Qt3DRender::QBlendEquationArguments::OneMinusSource1Alpha | 0x8005 | gl_one_minus_src1_alpha |
Qt3DRender::QBlendEquationArguments::OneMinusSource1Color | 0x8006 | gl_one_minus_src1_color |
Qt3DRender::QBlendEquationArguments::OneMinusSource1Color0 | OneMinusSource1Color | GL_ONE_MINUS_SRC1_COLOR（已废弃） |
属性文档
bufferIndex : int
指定BlendEquationArguments 适用的绘图缓冲区索引。如果为负数，则适用于所有绘图缓冲区。
访问功能：
| int | bufferIndex() const |
| void | setBufferIndex(int index) |
通知信号：
| void | bufferIndexChanged(int index) |
destinationAlpha : Blending
访问功能
| Qt3DRender::QBlendEquationArguments::Blending | destinationAlpha() const |
| void | setDestinationAlpha(Qt3DRender::QBlendEquationArguments::Blending destinationAlpha) |
通知信号
| void | destinationAlphaChanged(Qt3DRender::QBlendEquationArguments::Blending destinationAlpha) |
destinationRgb : Blending
访问功能
| Qt3DRender::QBlendEquationArguments::Blending | destinationRgb() const |
| void | setDestinationRgb(Qt3DRender::QBlendEquationArguments::Blending destinationRgb) |
通知信号
| void | destinationRgbChanged(Qt3DRender::QBlendEquationArguments::Blending destinationRgb) |
sourceAlpha : Blending
访问功能
| Qt3DRender::QBlendEquationArguments::Blending | sourceAlpha() const |
| void | setSourceAlpha(Qt3DRender::QBlendEquationArguments::Blending sourceAlpha) |
通知信号
| void | sourceAlphaChanged(Qt3DRender::QBlendEquationArguments::Blending sourceAlpha) |
sourceRgb : Blending
访问功能
| Qt3DRender::QBlendEquationArguments::Blending | sourceRgb() const |
| void | setSourceRgb(Qt3DRender::QBlendEquationArguments::Blending sourceRgb) |
Notifier 信号：
| void | sourceRgbChanged(Qt3DRender::QBlendEquationArguments::Blending sourceRgb) |
成员函数文档
[explicit] QBlendEquationArguments::QBlendEquationArguments(Qt3DCore::QNode *parent = nullptr)
构造函数使用指定的parent 创建一个新的混合状态对象。
[signal] void QBlendEquationArguments::destinationRgbaChanged(Qt3DRender::QBlendEquationArguments::Blending destinationRgba)
通知destinationRgb 和destinationAlpha 属性均已更改为destinationRgba 。
[slot] void QBlendEquationArguments::setDestinationRgba(Qt3DRender::QBlendEquationArguments::Blending destinationRgba)
将destinationRgb 和destinationAlpha 属性都更改为destinationRgba 。
[slot] void QBlendEquationArguments::setSourceRgba(Qt3DRender::QBlendEquationArguments::Blending sourceRgba)
将sourceRgb 和sourceAlpha 属性都更改为sourceRgba 。
[signal] void QBlendEquationArguments::sourceRgbaChanged(Qt3DRender::QBlendEquationArguments::Blending sourceRgba)
通知sourceRgb 和sourceAlpha 属性均已更改为sourceRgba 。
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