PySide.QtGui.QPrintPreviewWidget class provides a widget for previewing page layouts for printer output.
PySide.QtGui.QPrintPreviewDialog uses a PySide.QtGui.QPrintPreviewWidget internally, and the purpose of PySide.QtGui.QPrintPreviewWidget is to make it possible to embed the preview into other widgets. It also makes it possible to build a different user interface around it than the default one provided with PySide.QtGui.QPrintPreviewDialog .
使用 PySide.QtGui.QPrintPreviewWidget is straightforward:
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This enum is used to describe zoom mode of the preview widget.
| 常量 | 描述 |
|---|---|
| QPrintPreviewWidget.CustomZoom | The zoom is set to a custom zoom value. |
| QPrintPreviewWidget.FitToWidth | This mode fits the current page to the width of the view. |
| QPrintPreviewWidget.FitInView | This mode fits the current page inside the view. |
This enum is used to describe the view mode of the preview widget.
| 常量 | 描述 |
|---|---|
| QPrintPreviewWidget.SinglePageView | A mode where single pages in the preview is viewed. |
| QPrintPreviewWidget.FacingPagesView | A mode where the facing pages in the preview is viewed. |
| QPrintPreviewWidget.AllPagesView | A view mode where all the pages in the preview is viewed. |
| 返回类型： | PySide.QtCore.int |
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Returns the currently viewed page in the preview.
This is a convenience function and is the same as calling setZoomMode(QPrintPreviewWidget::FitInView) .
This is a convenience function and is the same as calling setZoomMode(QPrintPreviewWidget::FitToWidth) .
| 返回类型： | PySide.QtCore.int |
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Returns the number of pages in the preview.
| 返回类型： | PySide.QtGui.QPrinter.Orientation |
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Returns the current orientation of the preview. This value is obtained from the PySide.QtGui.QPrinter object associated with the preview.
| 返回类型： | PySide.QtCore.int |
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Returns the number of pages in the preview.
| 参数： | printer – PySide.QtGui.QPrinter |
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Prints the preview to the printer associated with the preview.
This is a convenience function and is the same as calling setViewMode(QPrintPreviewWidget::AllPagesView) .
| 参数： | pageNumber – PySide.QtCore.int |
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Sets the current page in the preview. This will cause the view to skip to the beginning of page .
This is a convenience function and is the same as calling setViewMode(QPrintPreviewWidget::FacingPagesView) .
This is a convenience function and is the same as calling setOrientation(QPrinter::Landscape) .
| 参数： | orientation – PySide.QtGui.QPrinter.Orientation |
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This is a convenience function and is the same as calling setOrientation(QPrinter::Portrait) .
This is a convenience function and is the same as calling setViewMode(QPrintPreviewWidget::SinglePageView) .
| 参数： | viewMode – PySide.QtGui.QPrintPreviewWidget.ViewMode |
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Sets the view mode to mode . The default view mode is SinglePageView .
| 参数： | zoomFactor – PySide.QtCore.qreal |
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Sets the zoom factor of the view to factor . For example, a value of 1.0 indicates an unscaled view, which is approximately the size the view will have on paper. A value of 0.5 will halve the size of the view, while a value of 2.0 will double the size of the view.
| 参数： | zoomMode – PySide.QtGui.QPrintPreviewWidget.ZoomMode |
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Sets the zoom mode to zoomMode . The default zoom mode is FitInView .
This function updates the preview, which causes the PySide.QtGui.QPrintPreviewWidget.paintRequested() signal to be emitted.
| 返回类型： | PySide.QtGui.QPrintPreviewWidget.ViewMode |
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Returns the current view mode. The default view mode is SinglePageView .
| 返回类型： | PySide.QtCore.qreal |
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Returns the zoom factor of the view.
| 参数： | zoom – PySide.QtCore.qreal |
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Zooms the current view in by factor . The default value for factor is 1.1, which means the view will be scaled up by 10%.
| 返回类型： | PySide.QtGui.QPrintPreviewWidget.ZoomMode |
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Returns the current zoom mode.
| 参数： | zoom – PySide.QtCore.qreal |
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Zooms the current view out by factor . The default value for factor is 1.1, which means the view will be scaled down by 10%.
