<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qprintpreviewwidget.cpp --> <title>QPrintPreviewWidget Class | Qt Print Support 5.12.6</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtprintsupport-index.html">Qt Print Support</a></td><td ><a href="qtprintsupport-module.html">C++ Classes</a></td><td >QPrintPreviewWidget</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtprintsupport-index.html">Qt 5.12.6 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <li class="level1"><a href="#public-types">Public Types</a></li> <li class="level1"><a href="#public-functions">Public Functions</a></li> <li class="level1"><a href="#reimplemented-public-functions">Reimplemented Public Functions</a></li> <li class="level1"><a href="#public-slots">Public Slots</a></li> <li class="level1"><a href="#signals">Signals</a></li> <li class="level1"><a href="#static-public-members">Static Public Members</a></li> <li class="level1"><a href="#details">Detailed Description</a></li> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">QPrintPreviewWidget Class</h1> <!-- $$$QPrintPreviewWidget-brief --> <p>The <a href="qprintpreviewwidget.html">QPrintPreviewWidget</a> class provides a widget for previewing page layouts for printer output. <a href="#details">More...</a></p> <!-- @@@QPrintPreviewWidget --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QPrintPreviewWidget></span> </td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += printsupport</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign"> Qt 4.4</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="../qtwidgets/qwidget.html">QWidget</a></td></tr></table></div><ul> <li><a href="qprintpreviewwidget-members.html">List of all members, including inherited members</a></li> <li><a href="qprintpreviewwidget-obsolete.html">Obsolete members</a></li> </ul> <a name="public-types"></a> <h2 id="public-types">Public Types</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#ViewMode-enum">ViewMode</a></b> { SinglePageView, FacingPagesView, AllPagesView }</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#ZoomMode-enum">ZoomMode</a></b> { CustomZoom, FitToWidth, FitInView }</td></tr> </table></div> <a name="public-functions"></a> <h2 id="public-functions">Public Functions</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#QPrintPreviewWidget">QPrintPreviewWidget</a></b>(QPrinter *<i>printer</i>, QWidget *<i>parent</i> = nullptr, Qt::WindowFlags <i>flags</i> = ...)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#QPrintPreviewWidget-1">QPrintPreviewWidget</a></b>(QWidget *<i>parent</i> = nullptr, Qt::WindowFlags <i>flags</i> = ...)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> virtual </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#dtor.QPrintPreviewWidget">~QPrintPreviewWidget</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#currentPage">currentPage</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QPrinter::Orientation </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#orientation">orientation</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#pageCount">pageCount</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QPrintPreviewWidget::ViewMode </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#viewMode">viewMode</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> qreal </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#zoomFactor">zoomFactor</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QPrintPreviewWidget::ZoomMode </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#zoomMode">zoomMode</a></b>() const</td></tr> </table></div> <a name="reimplemented-public-functions"></a> <h2 id="reimplemented-public-functions">Reimplemented Public Functions</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> virtual void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#setVisible">setVisible</a></b>(bool <i>visible</i>) override</td></tr> </table></div> <ul> <li class="fn">216 public functions inherited from <a href="../qtwidgets/qwidget.html#public-functions">QWidget</a></li> <li class="fn">31 public functions inherited from <a href="../qtcore/qobject.html#public-functions">QObject</a></li> <li class="fn">14 public functions inherited from <a href="../qtgui/qpaintdevice.html#public-functions">QPaintDevice</a></li> </ul> <a name="public-slots"></a> <h2 id="public-slots">Public Slots</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#fitInView">fitInView</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#fitToWidth">fitToWidth</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#print">print</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#setAllPagesViewMode">setAllPagesViewMode</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#setCurrentPage">setCurrentPage</a></b>(int <i>page</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#setFacingPagesViewMode">setFacingPagesViewMode</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#setLandscapeOrientation">setLandscapeOrientation</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#setOrientation">setOrientation</a></b>(QPrinter::Orientation <i>orientation</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#setPortraitOrientation">setPortraitOrientation</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#setSinglePageViewMode">setSinglePageViewMode</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#setViewMode">setViewMode</a></b>(QPrintPreviewWidget::ViewMode <i>mode</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#setZoomFactor">setZoomFactor</a></b>(qreal <i>factor</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#setZoomMode">setZoomMode</a></b>(QPrintPreviewWidget::ZoomMode <i>zoomMode</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#updatePreview">updatePreview</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#zoomIn">zoomIn</a></b>(qreal <i>factor</i> = 1.1)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#zoomOut">zoomOut</a></b>(qreal <i>factor</i> = 1.1)</td></tr> </table></div> <ul> <li class="fn">19 public slots inherited from <a href="../qtwidgets/qwidget.html#public-slots">QWidget</a></li> <li class="fn">1 public slot inherited from <a href="../qtcore/qobject.html#public-slots">QObject</a></li> </ul> <a name="signals"></a> <h2 id="signals">Signals</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#paintRequested">paintRequested</a></b>(QPrinter *<i>printer</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#previewChanged">previewChanged</a></b>()</td></tr> </table></div> <ul> <li class="fn">3 signals inherited from <a href="../qtwidgets/qwidget.html#signals">QWidget</a></li> <li class="fn">2 signals inherited from <a href="../qtcore/qobject.html#signals">QObject</a></li> </ul> <a name="static-public-members"></a> <h2 id="static-public-members">Static Public Members</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> const QMetaObject </td><td class="memItemRight bottomAlign"><b><a href="qprintpreviewwidget.html#staticMetaObject-var">staticMetaObject</a></b></td></tr> </table></div> <ul> <li class="fn">5 static public members inherited from <a href="../qtwidgets/qwidget.html#static-public-members">QWidget</a></li> <li class="fn">9 static public members inherited from <a href="../qtcore/qobject.html#static-public-members">QObject</a></li> </ul> <h3>Additional Inherited Members</h3> <ul> <li class="fn">59 properties inherited from <a href="../qtwidgets/qwidget.html#properties">QWidget</a></li> <li class="fn">1 property inherited from <a href="../qtcore/qobject.html#properties">QObject</a></li> <li class="fn">35 protected functions inherited from <a href="../qtwidgets/qwidget.html#protected-functions">QWidget</a></li> <li class="fn">9 protected functions inherited from <a href="../qtcore/qobject.html#protected-functions">QObject</a></li> <li class="fn">1 protected function inherited from <a href="../qtgui/qpaintdevice.html#protected-functions">QPaintDevice</a></li> <li class="fn">1 protected slot inherited from <a href="../qtwidgets/qwidget.html#protected-slots">QWidget</a></li> </ul> <a name="details"></a> <!-- $$$QPrintPreviewWidget-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>The <a href="qprintpreviewwidget.html">QPrintPreviewWidget</a> class provides a widget for previewing page layouts for printer output.</p> <p><a href="qprintpreviewdialog.html">QPrintPreviewDialog</a> uses a <a href="qprintpreviewwidget.html">QPrintPreviewWidget</a> internally, and the purpose of <a href="qprintpreviewwidget.html">QPrintPreviewWidget</a> 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 <a href="qprintpreviewdialog.html">QPrintPreviewDialog</a>.</p> <p>Using <a href="qprintpreviewwidget.html">QPrintPreviewWidget</a> is straightforward:</p> <ol class="1" type="1"><li>Create the <a href="qprintpreviewwidget.html">QPrintPreviewWidget</a><p>Construct the <a href="qprintpreviewwidget.html">QPrintPreviewWidget</a> either by passing in an existing <a href="qprinter.html">QPrinter</a> object, or have <a href="qprintpreviewwidget.html">QPrintPreviewWidget</a> create a default constructed <a href="qprinter.html">QPrinter</a> object for you.</p> </li> <li>Connect the <a href="qprintpreviewwidget.html#paintRequested">paintRequested</a>() signal to a slot.<p>When the widget needs to generate a set of preview pages, a <a href="qprintpreviewwidget.html#paintRequested">paintRequested</a>() signal will be emitted from the widget. Connect a slot to this signal, and draw onto the <a href="qprinter.html">QPrinter</a> passed in as a signal parameter. Call <a href="qprinter.html#newPage">QPrinter::newPage</a>(), to start a new page in the preview.</p> </li> </ol> </div> <p><b>See also </b><a href="qprinter.html">QPrinter</a>, <a href="qprintdialog.html">QPrintDialog</a>, <a href="qpagesetupdialog.html">QPageSetupDialog</a>, and <a href="qprintpreviewdialog.html">QPrintPreviewDialog</a>.</p> <!-- @@@QPrintPreviewWidget --> <div class="types"> <h2>Member Type Documentation</h2> <!-- $$$ViewMode$$$SinglePageView$$$FacingPagesView$$$AllPagesView --> <h3 class="fn" id="ViewMode-enum"><a name="ViewMode-enum"></a>enum QPrintPreviewWidget::<span class="name">ViewMode</span></h3> <p>This enum is used to describe the view mode of the preview widget.</p> <div class="table"><table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr> <tr><td class="topAlign"><code>QPrintPreviewWidget::SinglePageView</code></td><td class="topAlign tblval"><code>0</code></td><td class="topAlign">A mode where single pages in the preview is viewed.</td></tr> <tr><td class="topAlign"><code>QPrintPreviewWidget::FacingPagesView</code></td><td class="topAlign tblval"><code>1</code></td><td class="topAlign">A mode where the facing pages in the preview is viewed.</td></tr> <tr><td class="topAlign"><code>QPrintPreviewWidget::AllPagesView</code></td><td class="topAlign tblval"><code>2</code></td><td class="topAlign">A view mode where all the pages in the preview is viewed.</td></tr> </table></div> <!-- @@@ViewMode --> <!-- $$$ZoomMode$$$CustomZoom$$$FitToWidth$$$FitInView --> <h3 class="fn" id="ZoomMode-enum"><a name="ZoomMode-enum"></a>enum QPrintPreviewWidget::<span class="name">ZoomMode</span></h3> <p>This enum is used to describe zoom mode of the preview widget.</p> <div class="table"><table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr> <tr><td class="topAlign"><code>QPrintPreviewWidget::CustomZoom</code></td><td class="topAlign tblval"><code>0</code></td><td class="topAlign">The zoom is set to a custom zoom value.</td></tr> <tr><td class="topAlign"><code>QPrintPreviewWidget::FitToWidth</code></td><td class="topAlign tblval"><code>1</code></td><td class="topAlign">This mode fits the current page to the width of the view.</td></tr> <tr><td class="topAlign"><code>QPrintPreviewWidget::FitInView</code></td><td class="topAlign tblval"><code>2</code></td><td class="topAlign">This mode fits the current page inside the view.</td></tr> </table></div> <!-- @@@ZoomMode --> </div> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QPrintPreviewWidget[overload1]$$$QPrintPreviewWidgetQPrinter*QWidget*Qt::WindowFlags --> <h3 class="fn" id="QPrintPreviewWidget"><a name="QPrintPreviewWidget"></a>QPrintPreviewWidget::<span class="name">QPrintPreviewWidget</span>(<span class="type"><a href="qprinter.html">QPrinter</a></span> *<i>printer</i>, <span class="type"><a href="../qtwidgets/qwidget.html#QWidget">QWidget</a></span> *<i>parent</i> = nullptr, <span class="type"><a href="../qtcore/qt.html#WindowType-enum">Qt::WindowFlags</a></span> <i>flags</i> = ...)</h3> <p>Constructs a <a href="qprintpreviewwidget.html">QPrintPreviewWidget</a> based on <i>printer</i> and with <i>parent</i> as the parent widget. The widget flags <i>flags</i> are passed on to the <a href="../qtwidgets/qwidget.html">QWidget</a> constructor.</p> <p><b>See also </b><a href="../qtwidgets/qwidget.html#windowFlags-prop">QWidget::setWindowFlags</a>().</p> <!-- @@@QPrintPreviewWidget --> <!-- $$$QPrintPreviewWidget$$$QPrintPreviewWidgetQWidget*Qt::WindowFlags --> <h3 class="fn" id="QPrintPreviewWidget-1"><a name="QPrintPreviewWidget-1"></a>QPrintPreviewWidget::<span class="name">QPrintPreviewWidget</span>(<span class="type"><a href="../qtwidgets/qwidget.html#QWidget">QWidget</a></span> *<i>parent</i> = nullptr, <span class="type"><a href="../qtcore/qt.html#WindowType-enum">Qt::WindowFlags</a></span> <i>flags</i> = ...)</h3> <p>This is an overloaded function.</p> <p>This will cause <a href="qprintpreviewwidget.html">QPrintPreviewWidget</a> to create an internal, default constructed <a href="qprinter.html">QPrinter</a> object, which will be used to generate the preview.</p> <!-- @@@QPrintPreviewWidget --> <!-- $$$~QPrintPreviewWidget[overload1]$$$~QPrintPreviewWidget --> <h3 class="fn" id="dtor.QPrintPreviewWidget"><a name="dtor.QPrintPreviewWidget"></a><code>[virtual] </code>QPrintPreviewWidget::<span class="name">~QPrintPreviewWidget</span>()</h3> <p>Destroys the <a href="qprintpreviewwidget.html">QPrintPreviewWidget</a>.</p> <!-- @@@~QPrintPreviewWidget --> <!-- $$$currentPage[overload1]$$$currentPage --> <h3 class="fn" id="currentPage"><a name="currentPage"></a><span class="type">int</span> QPrintPreviewWidget::<span class="name">currentPage</span>() const</h3> <p>Returns the currently viewed page in the preview.</p> <p><b>See also </b><a href="qprintpreviewwidget.html#setCurrentPage">setCurrentPage</a>().</p> <!-- @@@currentPage --> <!-- $$$fitInView[overload1]$$$fitInView --> <h3 class="fn" id="fitInView"><a name="fitInView"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">fitInView</span>()</h3> <p>This is a convenience function and is the same as calling <code>setZoomMode(QPrintPreviewWidget::FitInView)</code>.</p> <!-- @@@fitInView --> <!-- $$$fitToWidth[overload1]$$$fitToWidth --> <h3 class="fn" id="fitToWidth"><a name="fitToWidth"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">fitToWidth</span>()</h3> <p>This is a convenience function and is the same as calling <code>setZoomMode(QPrintPreviewWidget::FitToWidth)</code>.</p> <!-- @@@fitToWidth --> <!-- $$$orientation[overload1]$$$orientation --> <h3 class="fn" id="orientation"><a name="orientation"></a><span class="type"><a href="qprinter.html#Orientation-enum">QPrinter::Orientation</a></span> QPrintPreviewWidget::<span class="name">orientation</span>() const</h3> <p>Returns the current orientation of the preview. This value is obtained from the <a href="qprinter.html">QPrinter</a> object associated with the preview.</p> <p><b>See also </b><a href="qprintpreviewwidget.html#setOrientation">setOrientation</a>().</p> <!-- @@@orientation --> <!-- $$$pageCount[overload1]$$$pageCount --> <h3 class="fn" id="pageCount"><a name="pageCount"></a><span class="type">int</span> QPrintPreviewWidget::<span class="name">pageCount</span>() const</h3> <p>Returns the number of pages in the preview.</p> <p>This function was introduced in Qt 4.6.</p> <!-- @@@pageCount --> <!-- $$$paintRequested[overload1]$$$paintRequestedQPrinter* --> <h3 class="fn" id="paintRequested"><a name="paintRequested"></a><code>[signal] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">paintRequested</span>(<span class="type"><a href="qprinter.html">QPrinter</a></span> *<i>printer</i>)</h3> <p>This signal is emitted when the preview widget needs to generate a set of preview pages. <i>printer</i> is the printer associated with this preview widget.</p> <!-- @@@paintRequested --> <!-- $$$previewChanged[overload1]$$$previewChanged --> <h3 class="fn" id="previewChanged"><a name="previewChanged"></a><code>[signal] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">previewChanged</span>()</h3> <p>This signal is emitted whenever the preview widget has changed some internal state, such as the orientation.</p> <!-- @@@previewChanged --> <!-- $$$print[overload1]$$$print --> <h3 class="fn" id="print"><a name="print"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">print</span>()</h3> <p>Prints the preview to the printer associated with the preview.</p> <!-- @@@print --> <!-- $$$setAllPagesViewMode[overload1]$$$setAllPagesViewMode --> <h3 class="fn" id="setAllPagesViewMode"><a name="setAllPagesViewMode"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">setAllPagesViewMode</span>()</h3> <p>This is a convenience function and is the same as calling <code>setViewMode(QPrintPreviewWidget::AllPagesView)</code>.</p> <!-- @@@setAllPagesViewMode --> <!-- $$$setCurrentPage[overload1]$$$setCurrentPageint --> <h3 class="fn" id="setCurrentPage"><a name="setCurrentPage"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">setCurrentPage</span>(<span class="type">int</span> <i>page</i>)</h3> <p>Sets the current page in the preview. This will cause the view to skip to the beginning of <i>page</i>.</p> <p><b>See also </b><a href="qprintpreviewwidget.html#currentPage">currentPage</a>().</p> <!-- @@@setCurrentPage --> <!-- $$$setFacingPagesViewMode[overload1]$$$setFacingPagesViewMode --> <h3 class="fn" id="setFacingPagesViewMode"><a name="setFacingPagesViewMode"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">setFacingPagesViewMode</span>()</h3> <p>This is a convenience function and is the same as calling <code>setViewMode(QPrintPreviewWidget::FacingPagesView)</code>.</p> <!-- @@@setFacingPagesViewMode --> <!-- $$$setLandscapeOrientation[overload1]$$$setLandscapeOrientation --> <h3 class="fn" id="setLandscapeOrientation"><a name="setLandscapeOrientation"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">setLandscapeOrientation</span>()</h3> <p>This is a convenience function and is the same as calling <code>setOrientation(QPrinter::Landscape)</code>.</p> <!-- @@@setLandscapeOrientation --> <!-- $$$setOrientation[overload1]$$$setOrientationQPrinter::Orientation --> <h3 class="fn" id="setOrientation"><a name="setOrientation"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">setOrientation</span>(<span class="type"><a href="qprinter.html#Orientation-enum">QPrinter::Orientation</a></span> <i>orientation</i>)</h3> <p>Sets the current orientation to <i>orientation</i>. This value will be set on the <a href="qprinter.html">QPrinter</a> object associated with the preview.</p> <p><b>See also </b><a href="qprintpreviewwidget.html#orientation">orientation</a>().</p> <!-- @@@setOrientation --> <!-- $$$setPortraitOrientation[overload1]$$$setPortraitOrientation --> <h3 class="fn" id="setPortraitOrientation"><a name="setPortraitOrientation"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">setPortraitOrientation</span>()</h3> <p>This is a convenience function and is the same as calling <code>setOrientation(QPrinter::Portrait)</code>.</p> <!-- @@@setPortraitOrientation --> <!-- $$$setSinglePageViewMode[overload1]$$$setSinglePageViewMode --> <h3 class="fn" id="setSinglePageViewMode"><a name="setSinglePageViewMode"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">setSinglePageViewMode</span>()</h3> <p>This is a convenience function and is the same as calling <code>setViewMode(QPrintPreviewWidget::SinglePageView)</code>.</p> <!-- @@@setSinglePageViewMode --> <!-- $$$setViewMode[overload1]$$$setViewModeQPrintPreviewWidget::ViewMode --> <h3 class="fn" id="setViewMode"><a name="setViewMode"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">setViewMode</span>(<span class="type"><a href="qprintpreviewwidget.html#ViewMode-enum">QPrintPreviewWidget::ViewMode</a></span> <i>mode</i>)</h3> <p>Sets the view mode to <i>mode</i>. The default view mode is <a href="qprintpreviewwidget.html#ViewMode-enum">SinglePageView</a>.</p> <p><b>See also </b><a href="qprintpreviewwidget.html#viewMode">viewMode</a>().</p> <!-- @@@setViewMode --> <!-- $$$setVisible[overload1]$$$setVisiblebool --> <h3 class="fn" id="setVisible"><a name="setVisible"></a><code>[override virtual] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">setVisible</span>(<span class="type">bool</span> <i>visible</i>)</h3> <p>Reimplemented from <a href="../qtwidgets/qwidget.html#visible-prop">QWidget::setVisible</a>().</p> <!-- @@@setVisible --> <!-- $$$setZoomFactor[overload1]$$$setZoomFactorqreal --> <h3 class="fn" id="setZoomFactor"><a name="setZoomFactor"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">setZoomFactor</span>(<span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> <i>factor</i>)</h3> <p>Sets the zoom factor of the view to <i>factor</i>. 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.</p> <p><b>See also </b><a href="qprintpreviewwidget.html#zoomFactor">zoomFactor</a>().</p> <!-- @@@setZoomFactor --> <!-- $$$setZoomMode[overload1]$$$setZoomModeQPrintPreviewWidget::ZoomMode --> <h3 class="fn" id="setZoomMode"><a name="setZoomMode"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">setZoomMode</span>(<span class="type"><a href="qprintpreviewwidget.html#ZoomMode-enum">QPrintPreviewWidget::ZoomMode</a></span> <i>zoomMode</i>)</h3> <p>Sets the zoom mode to <i>zoomMode</i>. The default zoom mode is <a href="qprintpreviewwidget.html#ZoomMode-enum">FitInView</a>.</p> <p><b>See also </b><a href="qprintpreviewwidget.html#zoomMode">zoomMode</a>(), <a href="qprintpreviewwidget.html#viewMode">viewMode</a>(), and <a href="qprintpreviewwidget.html#setViewMode">setViewMode</a>().</p> <!-- @@@setZoomMode --> <!-- $$$updatePreview[overload1]$$$updatePreview --> <h3 class="fn" id="updatePreview"><a name="updatePreview"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">updatePreview</span>()</h3> <p>This function updates the preview, which causes the <a href="qprintpreviewwidget.html#paintRequested">paintRequested</a>() signal to be emitted.</p> <!-- @@@updatePreview --> <!-- $$$viewMode[overload1]$$$viewMode --> <h3 class="fn" id="viewMode"><a name="viewMode"></a><span class="type"><a href="qprintpreviewwidget.html#ViewMode-enum">QPrintPreviewWidget::ViewMode</a></span> QPrintPreviewWidget::<span class="name">viewMode</span>() const</h3> <p>Returns the current view mode. The default view mode is <a href="qprintpreviewwidget.html#ViewMode-enum">SinglePageView</a>.</p> <p><b>See also </b><a href="qprintpreviewwidget.html#setViewMode">setViewMode</a>().</p> <!-- @@@viewMode --> <!-- $$$zoomFactor[overload1]$$$zoomFactor --> <h3 class="fn" id="zoomFactor"><a name="zoomFactor"></a><span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> QPrintPreviewWidget::<span class="name">zoomFactor</span>() const</h3> <p>Returns the zoom factor of the view.</p> <p><b>See also </b><a href="qprintpreviewwidget.html#setZoomFactor">setZoomFactor</a>().</p> <!-- @@@zoomFactor --> <!-- $$$zoomIn[overload1]$$$zoomInqreal --> <h3 class="fn" id="zoomIn"><a name="zoomIn"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">zoomIn</span>(<span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> <i>factor</i> = 1.1)</h3> <p>Zooms the current view in by <i>factor</i>. The default value for <i>factor</i> is 1.1, which means the view will be scaled up by 10%.</p> <!-- @@@zoomIn --> <!-- $$$zoomMode[overload1]$$$zoomMode --> <h3 class="fn" id="zoomMode"><a name="zoomMode"></a><span class="type"><a href="qprintpreviewwidget.html#ZoomMode-enum">QPrintPreviewWidget::ZoomMode</a></span> QPrintPreviewWidget::<span class="name">zoomMode</span>() const</h3> <p>Returns the current zoom mode.</p> <p><b>See also </b><a href="qprintpreviewwidget.html#setZoomMode">setZoomMode</a>(), <a href="qprintpreviewwidget.html#viewMode">viewMode</a>(), and <a href="qprintpreviewwidget.html#setViewMode">setViewMode</a>().</p> <!-- @@@zoomMode --> <!-- $$$zoomOut[overload1]$$$zoomOutqreal --> <h3 class="fn" id="zoomOut"><a name="zoomOut"></a><code>[slot] </code><span class="type">void</span> QPrintPreviewWidget::<span class="name">zoomOut</span>(<span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> <i>factor</i> = 1.1)</h3> <p>Zooms the current view out by <i>factor</i>. The default value for <i>factor</i> is 1.1, which means the view will be scaled down by 10%.</p> <!-- @@@zoomOut --> </div> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>