QtWin Namespace
The QtWin namespace contains miscellaneous Windows-specific functions. More...
| Header: | #include <QtWin> |
| qmake: | QT += winextras |
Types
| enum | HBitmapFormat { HBitmapNoAlpha, HBitmapPremultipliedAlpha, HBitmapAlpha } |
| enum | WindowFlip3DPolicy { FlipDefault, FlipExcludeAbove, FlipExcludeBelow } |
Functions
| void | setWindowFlip3DPolicy(QWidget *window, QtWin::WindowFlip3DPolicy policy) |
Type Documentation
enum QtWin::HBitmapFormat
This enum defines how the conversion between HBITMAP and QPixmap is performed.
| Constant | Value | Description |
|---|---|---|
QtWin::HBitmapNoAlpha | 0 | The alpha channel is ignored and always treated as being set to fully opaque. This is preferred if the HBITMAP is used with standard GDI calls, such as BitBlt(). |
QtWin::HBitmapPremultipliedAlpha | 1 | The HBITMAP is treated as having an alpha channel and premultiplied colors. This is preferred if the HBITMAP is accessed through the AlphaBlend() GDI function. |
QtWin::HBitmapAlpha | 2 | The HBITMAP is treated as having a plain alpha channel. This is the preferred format if the HBITMAP is going to be used as an application icon or a systray icon. |
This enum was introduced or modified in Qt 5.2.
See also fromHBITMAP() and toHBITMAP().
enum QtWin::WindowFlip3DPolicy
This enum type specifies the Flip3D window policy.
| Constant | Value | Description |
|---|---|---|
QtWin::FlipDefault | 0 | Let the OS decide whether to include the window in the Flip3D rendering. |
QtWin::FlipExcludeAbove | 2 | Exclude the window from Flip3D and display it above the Flip3D rendering. |
QtWin::FlipExcludeBelow | 1 | Exclude the window from Flip3D and display it below the Flip3D rendering. |
This enum was introduced or modified in Qt 5.2.
See also setWindowFlip3DPolicy().
Function Documentation
void QtWin::setWindowFlip3DPolicy(QWidget *window, QtWin::WindowFlip3DPolicy policy)
This function overloads QtWin::setWindowFlip3DPolicy().
This function was introduced in Qt 5.2.
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