<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- paintsystem.qdoc --> <title>Painting Classes | Qt GUI 5.9</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 5.9</td><td ><a href="qtgui-index.html">Qt GUI</a></td><td >Painting Classes</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"><div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">Painting Classes</h1> <span class="subtitle"></span> <!-- $$$painting-description --> <div class="descr"> <a name="details"></a> <p>See also this introduction to the <a href="coordsys.html">Qt coordinate system.</a></p> </div> <!-- @@@painting --> <div class="table"><table class="annotated"> <tr class="odd topAlign"><td class="tblName"><p><a href="../qtcore/qline.html">QLine</a></p></td><td class="tblDescr"><p>Two-dimensional vector using integer precision</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="../qtcore/qlinef.html">QLineF</a></p></td><td class="tblDescr"><p>Two-dimensional vector using floating point precision</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="../qtcore/qmargins.html">QMargins</a></p></td><td class="tblDescr"><p>Defines the four margins of a rectangle</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="../qtcore/qmarginsf.html">QMarginsF</a></p></td><td class="tblDescr"><p>Defines the four margins of a rectangle</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="../qtcore/qpoint.html">QPoint</a></p></td><td class="tblDescr"><p>Defines a point in the plane using integer precision</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="../qtcore/qpointf.html">QPointF</a></p></td><td class="tblDescr"><p>Defines a point in the plane using floating point precision</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="../qtcore/qrect.html">QRect</a></p></td><td class="tblDescr"><p>Defines a rectangle in the plane using integer precision</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="../qtcore/qrectf.html">QRectF</a></p></td><td class="tblDescr"><p>Defines a rectangle in the plane using floating point precision</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="../qtcore/qsize.html">QSize</a></p></td><td class="tblDescr"><p>Defines the size of a two-dimensional object using integer point precision</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="../qtcore/qsizef.html">QSizeF</a></p></td><td class="tblDescr"><p>Defines the size of a two-dimensional object using floating point precision</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qbitmap.html">QBitmap</a></p></td><td class="tblDescr"><p>Monochrome (1-bit depth) pixmaps</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qicon.html">QIcon</a></p></td><td class="tblDescr"><p>Scalable icons in different modes and states</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qiconengine.html">QIconEngine</a></p></td><td class="tblDescr"><p>Abstract base class for QIcon renderers</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qimage.html">QImage</a></p></td><td class="tblDescr"><p>Hardware-independent image representation that allows direct access to the pixel data, and can be used as a paint device</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qimagereader.html">QImageReader</a></p></td><td class="tblDescr"><p>Format independent interface for reading images from files or other devices</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qimagewriter.html">QImageWriter</a></p></td><td class="tblDescr"><p>Format independent interface for writing images to files or other devices</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qpixmap.html">QPixmap</a></p></td><td class="tblDescr"><p>Off-screen image representation that can be used as a paint device</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qgenericmatrix.html">QGenericMatrix</a></p></td><td class="tblDescr"><p>Template class that represents a NxM transformation matrix with N columns and M rows</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qvector2d.html">QVector2D</a></p></td><td class="tblDescr"><p>Represents a vector or vertex in 2D space</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qbrush.html">QBrush</a></p></td><td class="tblDescr"><p>Defines the fill pattern of shapes drawn by QPainter</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qconicalgradient.html">QConicalGradient</a></p></td><td class="tblDescr"><p>Used in combination with QBrush to specify a conical gradient brush</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qgradient.html">QGradient</a></p></td><td class="tblDescr"><p>Used in combination with QBrush to specify gradient fills</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qlineargradient.html">QLinearGradient</a></p></td><td class="tblDescr"><p>Used in combination with QBrush to specify a linear gradient brush</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qradialgradient.html">QRadialGradient</a></p></td><td class="tblDescr"><p>Used in combination with QBrush to specify a radial gradient brush</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qcolor.html">QColor</a></p></td><td class="tblDescr"><p>Colors based on RGB, HSV or CMYK values</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qpagedpaintdevice.html">QPagedPaintDevice</a></p></td><td class="tblDescr"><p>Represents a paintdevice that supports multiple pages</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qpaintdevice.html">QPaintDevice</a></p></td><td class="tblDescr"><p>The base class of objects that can be painted on with QPainter</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qpaintengine.html">QPaintEngine</a></p></td><td class="tblDescr"><p>Abstract definition of how QPainter draws to a given device on a given platform</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qpainter.html">QPainter</a></p></td><td class="tblDescr"><p>Performs low-level painting on widgets and other paint devices</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qpainterpath.html">QPainterPath</a></p></td><td class="tblDescr"><p>Container for painting operations, enabling graphical shapes to be constructed and reused</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qpainterpathstroker.html">QPainterPathStroker</a></p></td><td class="tblDescr"><p>Used to generate fillable outlines for a given painter path</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qpdfwriter.html">QPdfWriter</a></p></td><td class="tblDescr"><p>Class to generate PDFs that can be used as a paint device</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qpen.html">QPen</a></p></td><td class="tblDescr"><p>Defines how a QPainter should draw lines and outlines of shapes</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qpolygon.html">QPolygon</a></p></td><td class="tblDescr"><p>Vector of points using integer precision</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qpolygonf.html">QPolygonF</a></p></td><td class="tblDescr"><p>Vector of points using floating point precision</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qregion.html">QRegion</a></p></td><td class="tblDescr"><p>Specifies a clip region for a painter</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qrgba64.html">QRgba64</a></p></td><td class="tblDescr"><p>Struct contains a 64-bit RGB color</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qtransform.html">QTransform</a></p></td><td class="tblDescr"><p>Specifies 2D transformations of a coordinate system</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qfont.html">QFont</a></p></td><td class="tblDescr"><p>Specifies a font used for drawing text</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="qfontmetrics.html">QFontMetrics</a></p></td><td class="tblDescr"><p>Font metrics information</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qfontmetricsf.html">QFontMetricsF</a></p></td><td class="tblDescr"><p>Font metrics information</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="">QPlatformFontDatabase</a></p></td><td class="tblDescr"><p>Makes it possible to customize how fonts are discovered and how they are rendered</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="qsupportedwritingsystems.html">QSupportedWritingSystems</a></p></td><td class="tblDescr"><p>Used when registering fonts with the internal Qt fontdatabase</p></td></tr> <tr class="even topAlign"><td class="tblName"><p><a href="../qtwidgets/qstylepainter.html">QStylePainter</a></p></td><td class="tblDescr"><p>Convenience class for drawing QStyle elements inside a widget</p></td></tr> <tr class="odd topAlign"><td class="tblName"><p><a href="../qtwidgets/qcolormap.html">QColormap</a></p></td><td class="tblDescr"><p>Maps device independent QColors to device dependent pixel values</p></td></tr> </table></div> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 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>