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<div id="projectname">Qwt User's Guide <span id="projectnumber">6.0.1</span></div>
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<h1>qwt_painter.h</h1> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span>
<a name="l00002"></a>00002 <span class="comment"> * Qwt Widget Library</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span>
<a name="l00005"></a>00005 <span class="comment"> *</span>
<a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span>
<a name="l00008"></a>00008 <span class="comment"> *****************************************************************************/</span>
<a name="l00009"></a>00009
<a name="l00010"></a>00010 <span class="preprocessor">#ifndef QWT_PAINTER_H</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_PAINTER_H</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span>
<a name="l00013"></a>00013 <span class="preprocessor">#include "qwt_global.h"</span>
<a name="l00014"></a>00014
<a name="l00015"></a>00015 <span class="preprocessor">#include <qpoint.h></span>
<a name="l00016"></a>00016 <span class="preprocessor">#include <qrect.h></span>
<a name="l00017"></a>00017 <span class="preprocessor">#include <qpen.h></span>
<a name="l00018"></a>00018 <span class="preprocessor">#include <qline.h></span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="keyword">class </span>QPainter;
<a name="l00021"></a>00021 <span class="keyword">class </span>QBrush;
<a name="l00022"></a>00022 <span class="keyword">class </span>QColor;
<a name="l00023"></a>00023 <span class="keyword">class </span>QWidget;
<a name="l00024"></a>00024 <span class="keyword">class </span>QPolygonF;
<a name="l00025"></a>00025 <span class="keyword">class </span>QRectF;
<a name="l00026"></a>00026 <span class="keyword">class </span>QImage;
<a name="l00027"></a>00027 <span class="keyword">class </span>QPixmap;
<a name="l00028"></a>00028 <span class="keyword">class </span><a class="code" href="class_qwt_scale_map.html" title="A scale map.">QwtScaleMap</a>;
<a name="l00029"></a>00029 <span class="keyword">class </span><a class="code" href="class_qwt_color_map.html" title="QwtColorMap is used to map values into colors.">QwtColorMap</a>;
<a name="l00030"></a>00030 <span class="keyword">class </span><a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a>;
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="keyword">class </span>QPalette;
<a name="l00033"></a>00033 <span class="keyword">class </span>QTextDocument;
<a name="l00034"></a>00034 <span class="keyword">class </span>QPainterPath;
<a name="l00035"></a>00035
<a name="l00039"></a><a class="code" href="class_qwt_painter.html">00039</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_painter.html" title="A collection of QPainter workarounds.">QwtPainter</a>
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041 <span class="keyword">public</span>:
<a name="l00042"></a>00042 <span class="keyword">static</span> <span class="keywordtype">void</span> setPolylineSplitting( <span class="keywordtype">bool</span> );
<a name="l00043"></a>00043 <span class="keyword">static</span> <span class="keywordtype">bool</span> polylineSplitting();
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keyword">static</span> <span class="keywordtype">void</span> setRoundingAlignment( <span class="keywordtype">bool</span> );
<a name="l00046"></a>00046 <span class="keyword">static</span> <span class="keywordtype">bool</span> roundingAlignment();
<a name="l00047"></a>00047 <span class="keyword">static</span> <span class="keywordtype">bool</span> roundingAlignment(QPainter *);
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="keyword">static</span> <span class="keywordtype">void</span> drawText( QPainter *, <span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <span class="keyword">const</span> QString & );
<a name="l00050"></a>00050 <span class="keyword">static</span> <span class="keywordtype">void</span> drawText( QPainter *, <span class="keyword">const</span> QPointF &, <span class="keyword">const</span> QString & );
<a name="l00051"></a>00051 <span class="keyword">static</span> <span class="keywordtype">void</span> drawText( QPainter *, <span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <span class="keywordtype">double</span> w, <span class="keywordtype">double</span> h,
<a name="l00052"></a>00052 <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QString & );
<a name="l00053"></a>00053 <span class="keyword">static</span> <span class="keywordtype">void</span> drawText( QPainter *, <span class="keyword">const</span> QRectF &,
<a name="l00054"></a>00054 <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QString & );
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <span class="preprocessor">#ifndef QT_NO_RICHTEXT</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span> <span class="keyword">static</span> <span class="keywordtype">void</span> drawSimpleRichText( QPainter *, <span class="keyword">const</span> QRectF &,
<a name="l00058"></a>00058 <span class="keywordtype">int</span> flags, <span class="keyword">const</span> QTextDocument & );
<a name="l00059"></a>00059 <span class="preprocessor">#endif</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span>
<a name="l00061"></a>00061 <span class="keyword">static</span> <span class="keywordtype">void</span> drawRect( QPainter *, <span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <span class="keywordtype">double</span> w, <span class="keywordtype">double</span> h );
<a name="l00062"></a>00062 <span class="keyword">static</span> <span class="keywordtype">void</span> drawRect( QPainter *, <span class="keyword">const</span> QRectF &rect );
<a name="l00063"></a>00063 <span class="keyword">static</span> <span class="keywordtype">void</span> fillRect( QPainter *, <span class="keyword">const</span> QRectF &, <span class="keyword">const</span> QBrush & );
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="keyword">static</span> <span class="keywordtype">void</span> drawEllipse( QPainter *, <span class="keyword">const</span> QRectF & );
<a name="l00066"></a>00066 <span class="keyword">static</span> <span class="keywordtype">void</span> drawPie( QPainter *, <span class="keyword">const</span> QRectF & r, <span class="keywordtype">int</span> a, <span class="keywordtype">int</span> alen );
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keyword">static</span> <span class="keywordtype">void</span> drawLine( QPainter *, <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> y1, <span class="keywordtype">double</span> x2, <span class="keywordtype">double</span> y2 );
<a name="l00069"></a>00069 <span class="keyword">static</span> <span class="keywordtype">void</span> drawLine( QPainter *, <span class="keyword">const</span> QPointF &p1, <span class="keyword">const</span> QPointF &p2 );
<a name="l00070"></a>00070 <span class="keyword">static</span> <span class="keywordtype">void</span> drawLine( QPainter *, <span class="keyword">const</span> QLineF & );
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keyword">static</span> <span class="keywordtype">void</span> drawPolygon( QPainter *, <span class="keyword">const</span> QPolygonF &pa );
<a name="l00073"></a>00073 <span class="keyword">static</span> <span class="keywordtype">void</span> drawPolyline( QPainter *, <span class="keyword">const</span> QPolygonF &pa );
<a name="l00074"></a>00074 <span class="keyword">static</span> <span class="keywordtype">void</span> drawPolyline( QPainter *, <span class="keyword">const</span> QPointF *, <span class="keywordtype">int</span> pointCount );
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keyword">static</span> <span class="keywordtype">void</span> drawPoint( QPainter *, <span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y );
<a name="l00077"></a>00077 <span class="keyword">static</span> <span class="keywordtype">void</span> drawPoint( QPainter *, <span class="keyword">const</span> QPointF & );
<a name="l00078"></a>00078
<a name="l00079"></a>00079 <span class="keyword">static</span> <span class="keywordtype">void</span> drawPath( QPainter *, <span class="keyword">const</span> QPainterPath & );
<a name="l00080"></a>00080 <span class="keyword">static</span> <span class="keywordtype">void</span> drawImage( QPainter *, <span class="keyword">const</span> QRectF &, <span class="keyword">const</span> QImage & );
<a name="l00081"></a>00081 <span class="keyword">static</span> <span class="keywordtype">void</span> drawPixmap( QPainter *, <span class="keyword">const</span> QRectF &, <span class="keyword">const</span> QPixmap & );
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keyword">static</span> <span class="keywordtype">void</span> drawRoundedFrame( QPainter *,
<a name="l00084"></a>00084 <span class="keyword">const</span> QRectF &, <span class="keywordtype">double</span> xRadius, <span class="keywordtype">double</span> yRadius,
<a name="l00085"></a>00085 <span class="keyword">const</span> QPalette &, <span class="keywordtype">int</span> lineWidth, <span class="keywordtype">int</span> frameStyle );
<a name="l00086"></a>00086
<a name="l00087"></a>00087 <span class="keyword">static</span> <span class="keywordtype">void</span> drawFocusRect( QPainter *, QWidget * );
<a name="l00088"></a>00088 <span class="keyword">static</span> <span class="keywordtype">void</span> drawFocusRect( QPainter *, QWidget *, <span class="keyword">const</span> QRect & );
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="keyword">static</span> <span class="keywordtype">void</span> drawColorBar( QPainter *painter,
<a name="l00091"></a>00091 <span class="keyword">const</span> <a class="code" href="class_qwt_color_map.html" title="QwtColorMap is used to map values into colors.">QwtColorMap</a> &, <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> &,
<a name="l00092"></a>00092 <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html" title="A scale map.">QwtScaleMap</a> &, Qt::Orientation, <span class="keyword">const</span> QRectF & );
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="keyword">static</span> <span class="keywordtype">bool</span> isAligning( QPainter *painter );
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="keyword">private</span>:
<a name="l00097"></a>00097 <span class="keyword">static</span> <span class="keywordtype">bool</span> d_polylineSplitting;
<a name="l00098"></a>00098 <span class="keyword">static</span> <span class="keywordtype">bool</span> d_roundingAlignment;
<a name="l00099"></a>00099 };
<a name="l00100"></a>00100
<a name="l00102"></a><a class="code" href="class_qwt_painter.html#a1e65c0e2436e253de937e164d365aa5f">00102</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_painter.html#a1e65c0e2436e253de937e164d365aa5f" title="Wrapper for QPainter::drawPoint()">QwtPainter::drawPoint</a>( QPainter *painter, <span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y )
<a name="l00103"></a>00103 {
<a name="l00104"></a>00104 <a class="code" href="class_qwt_painter.html#a1e65c0e2436e253de937e164d365aa5f" title="Wrapper for QPainter::drawPoint()">QwtPainter::drawPoint</a>( painter, QPointF( x, y ) );
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106
<a name="l00108"></a><a class="code" href="class_qwt_painter.html#ad90ed35a673adb9767046c05b605bcf5">00108</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_painter.html#ad90ed35a673adb9767046c05b605bcf5" title="Wrapper for QPainter::drawLine()">QwtPainter::drawLine</a>( QPainter *painter,
<a name="l00109"></a>00109 <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> y1, <span class="keywordtype">double</span> x2, <span class="keywordtype">double</span> y2 )
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 <a class="code" href="class_qwt_painter.html#ad90ed35a673adb9767046c05b605bcf5" title="Wrapper for QPainter::drawLine()">QwtPainter::drawLine</a>( painter, QPointF( x1, y1 ), QPointF( x2, y2 ) );
<a name="l00112"></a>00112 }
<a name="l00113"></a>00113
<a name="l00115"></a><a class="code" href="class_qwt_painter.html#af31427d37c1cfd4ddc84e013086a77e1">00115</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_painter.html#ad90ed35a673adb9767046c05b605bcf5" title="Wrapper for QPainter::drawLine()">QwtPainter::drawLine</a>( QPainter *painter, <span class="keyword">const</span> QLineF &line )
<a name="l00116"></a>00116 {
<a name="l00117"></a>00117 <a class="code" href="class_qwt_painter.html#ad90ed35a673adb9767046c05b605bcf5" title="Wrapper for QPainter::drawLine()">QwtPainter::drawLine</a>( painter, line.p1(), line.p2() );
<a name="l00118"></a>00118 }
<a name="l00119"></a>00119
<a name="l00124"></a><a class="code" href="class_qwt_painter.html#a831cf0efa8a0869ab79307495d7e4590">00124</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_painter.html#a831cf0efa8a0869ab79307495d7e4590">QwtPainter::polylineSplitting</a>()
<a name="l00125"></a>00125 {
<a name="l00126"></a>00126 <span class="keywordflow">return</span> d_polylineSplitting;
<a name="l00127"></a>00127 }
<a name="l00128"></a>00128
<a name="l00136"></a><a class="code" href="class_qwt_painter.html#ae9af230df7bb8d40b802d4f3205a8631">00136</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_painter.html#ae9af230df7bb8d40b802d4f3205a8631">QwtPainter::roundingAlignment</a>()
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 <span class="keywordflow">return</span> d_roundingAlignment;
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140
<a name="l00145"></a><a class="code" href="class_qwt_painter.html#ab11788d777ce54a1959bf8387dba6ad9">00145</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_painter.html#ae9af230df7bb8d40b802d4f3205a8631">QwtPainter::roundingAlignment</a>(QPainter *painter)
<a name="l00146"></a>00146 {
<a name="l00147"></a>00147 <span class="keywordflow">return</span> d_roundingAlignment && <a class="code" href="class_qwt_painter.html#a5d62fd1bd470fa0d42b7b2e06504a581">isAligning</a>(painter);
<a name="l00148"></a>00148 }
<a name="l00149"></a>00149 <span class="preprocessor">#endif</span>
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