QPdfView Class

A PDF viewer widget. 更多...

頭：	#include <QPdfView>
繼承：	QAbstractScrollArea

• 所有成員列錶，包括繼承成員

公共類型

枚舉類	PageMode { SinglePage, MultiPage }
枚舉類	ZoomMode { Custom, FitToWidth, FitInView }

特性

document : QPdfDocument* documentMargins : QMargins pageMode : PageMode

pageSpacing : int zoomFactor : qreal zoomMode : ZoomMode

公共函數

	QPdfView (QWidget * parent )
virtual	~QPdfView ()
QPdfDocument *	document () const
QMargins	documentMargins () const
QPdfView::PageMode	pageMode () const
QPdfPageNavigator *	pageNavigator () const
int	pageSpacing () const
void	setDocument (QPdfDocument * document )
void	setDocumentMargins (QMargins margins )
void	setPageSpacing (int spacing )
qreal	zoomFactor () const
QPdfView::ZoomMode	zoomMode () const

公共槽

void	setPageMode (QPdfView::PageMode mode )
void	setZoomFactor (qreal factor )
void	setZoomMode (QPdfView::ZoomMode mode )

信號

void	documentChanged (QPdfDocument * document )
void	documentMarginsChanged (QMargins documentMargins )
void	pageModeChanged (QPdfView::PageMode pageMode )
void	pageSpacingChanged (int pageSpacing )
void	zoomFactorChanged (qreal zoomFactor )
void	zoomModeChanged (QPdfView::ZoomMode zoomMode )

詳細描述

QPdfView is a PDF viewer widget that offers a user experience similar to many common PDF viewer applications, with two modes 。在 MultiPage mode, it supports flicking through the pages in the entire document, with narrow gaps between the page images. In the SinglePage mode, it shows one page at a time.

成員類型文檔編製

enum class QPdfView:: PageMode

This enum describes the overall behavior of the PDF viewer:

常量	值	描述
QPdfView::PageMode::SinglePage	0	Show one page at a time.
QPdfView::PageMode::MultiPage	1	Allow scrolling through all pages in the document.

enum class QPdfView:: ZoomMode

This enum describes the magnification behavior of the PDF viewer:

常量	值	描述
QPdfView::ZoomMode::Custom	0	使用 zoomFactor 僅。
QPdfView::ZoomMode::FitToWidth	1	Automatically choose a zoom factor so that the width of the page fits in the view.
QPdfView::ZoomMode::FitInView	2	Automatically choose a zoom factor so that the entire page fits in the view.

特性文檔編製

document : QPdfDocument *

This property holds the document to be viewed.

訪問函數：

QPdfDocument *	document () const
void	setDocument (QPdfDocument * document )

通知程序信號：

void	documentChanged (QPdfDocument * document )

documentMargins : QMargins

This property holds the margins around the page view.

訪問函數：

QMargins	documentMargins () const
void	setDocumentMargins (QMargins margins )

通知程序信號：

void	documentMarginsChanged (QMargins documentMargins )

pageMode : PageMode

This property holds whether to show one page at a time, or all pages in the document. The default is SinglePage .

訪問函數：

QPdfView::PageMode	pageMode () const
void	setPageMode (QPdfView::PageMode mode )

通知程序信號：

void	pageModeChanged (QPdfView::PageMode pageMode )

pageSpacing : int

This property holds the size of the padding between pages in the MultiPage mode .

訪問函數：

int	pageSpacing () const
void	setPageSpacing (int spacing )

通知程序信號：

void	pageSpacingChanged (int pageSpacing )

zoomFactor : qreal

This property holds the ratio of pixels to points. The default is 1 , meaning one point (1/72 of an inch) equals 1 logical pixel.

訪問函數：

qreal	zoomFactor () const
void	setZoomFactor (qreal factor )

通知程序信號：

void	zoomFactorChanged (qreal zoomFactor )

zoomMode : ZoomMode

This property indicates whether to use a custom size for the page(s), or zoom them to fit to the view. The default is CustomZoom .

訪問函數：

QPdfView::ZoomMode	zoomMode () const
void	setZoomMode (QPdfView::ZoomMode mode )

通知程序信號：

void	zoomModeChanged (QPdfView::ZoomMode zoomMode )

成員函數文檔編製

[explicit] QPdfView:: QPdfView ( QWidget * parent )

Constructs a PDF viewer with parent widget parent .

[虛擬] QPdfView:: ~QPdfView ()

Destroys the PDF viewer.

QPdfPageNavigator *QPdfView:: pageNavigator () const

This accessor returns the navigation stack that will handle back/forward navigation.

內容

1. 公共類型

2. 特性

3. 公共函數

4. 公共槽

5. 信號

6. 詳細描述