qwt_painter.h
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1 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
2  * Qwt Widget Library
3  * Copyright (C) 1997 Josef Wilgen
4  * Copyright (C) 2002 Uwe Rathmann
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the Qwt License, Version 1.0
8  *****************************************************************************/
9 
10 #ifndef QWT_PAINTER_H
11 #define QWT_PAINTER_H
12 
13 #include "qwt_global.h"
14 
15 #include <qpalette.h>
16 #include <qpolygon.h>
17 #include <qpen.h>
18 
19 class QwtScaleMap;
20 class QwtColorMap;
21 class QwtInterval;
22 
23 class QPainter;
24 class QBrush;
25 class QWidget;
26 class QImage;
27 class QPixmap;
28 class QFontMetrics;
29 class QFontMetricsF;
30 class QTextDocument;
31 class QPainterPath;
32 
36 class QWT_EXPORT QwtPainter
37 {
38 public:
39  static void setPolylineSplitting( bool );
40  static bool polylineSplitting();
41 
42  static void setRoundingAlignment( bool );
43  static bool roundingAlignment();
44  static bool roundingAlignment( const QPainter * );
45 
46  static void drawText( QPainter *, qreal x, qreal y, const QString & );
47  static void drawText( QPainter *, const QPointF &, const QString & );
48  static void drawText( QPainter *, qreal x, qreal y, qreal w, qreal h,
49  int flags, const QString & );
50  static void drawText( QPainter *, const QRectF &,
51  int flags, const QString & );
52 
53 #ifndef QT_NO_RICHTEXT
54  static void drawSimpleRichText( QPainter *, const QRectF &,
55  int flags, const QTextDocument & );
56 #endif
57 
58  static void drawRect( QPainter *, qreal x, qreal y, qreal w, qreal h );
59  static void drawRect( QPainter *, const QRectF &rect );
60  static void fillRect( QPainter *, const QRectF &, const QBrush & );
61 
62  static void drawEllipse( QPainter *, const QRectF & );
63  static void drawPie( QPainter *, const QRectF & r, int a, int alen );
64 
65  static void drawLine( QPainter *, qreal x1, qreal y1, qreal x2, qreal y2 );
66  static void drawLine( QPainter *, const QPointF &p1, const QPointF &p2 );
67  static void drawLine( QPainter *, const QLineF & );
68 
69  static void drawPolygon( QPainter *, const QPolygonF & );
70  static void drawPolyline( QPainter *, const QPolygonF & );
71  static void drawPolyline( QPainter *, const QPointF *, int pointCount );
72 
73  static void drawPolygon( QPainter *, const QPolygon & );
74  static void drawPolyline( QPainter *, const QPolygon & );
75  static void drawPolyline( QPainter *, const QPoint *, int pointCount );
76 
77  static void drawPoint( QPainter *, const QPoint & );
78  static void drawPoints( QPainter *, const QPolygon & );
79  static void drawPoints( QPainter *, const QPoint *, int pointCount );
80 
81  static void drawPoint( QPainter *, qreal x, qreal y );
82  static void drawPoint( QPainter *, const QPointF & );
83  static void drawPoints( QPainter *, const QPolygonF & );
84  static void drawPoints( QPainter *, const QPointF *, int pointCount );
85 
86  static void drawPath( QPainter *, const QPainterPath & );
87  static void drawImage( QPainter *, const QRectF &, const QImage & );
88  static void drawPixmap( QPainter *, const QRectF &, const QPixmap & );
89 
90  static void drawRoundFrame( QPainter *,
91  const QRectF &, const QPalette &, int lineWidth, int frameStyle );
92 
93  static void drawRoundedFrame( QPainter *,
94  const QRectF &, qreal xRadius, qreal yRadius,
95  const QPalette &, int lineWidth, int frameStyle );
96 
97  static void drawFrame( QPainter *, const QRectF &rect,
98  const QPalette &palette, QPalette::ColorRole foregroundRole,
99  int lineWidth, int midLineWidth, int frameStyle );
100 
101  static void drawFocusRect( QPainter *, const QWidget * );
102  static void drawFocusRect( QPainter *, const QWidget *, const QRect & );
103 
104  static void drawColorBar( QPainter *,
105  const QwtColorMap &, const QwtInterval &,
106  const QwtScaleMap &, Qt::Orientation, const QRectF & );
107 
108  static bool isAligning( const QPainter *);
109  static bool isX11GraphicsSystem();
110 
111  static void fillPixmap( const QWidget *,
112  QPixmap &, const QPoint &offset = QPoint() );
113 
114  static void drawBackgound( QPainter *,
115  const QRectF &, const QWidget * );
116 
117  static QPixmap backingStore( QWidget *, const QSize & );
118  static qreal devicePixelRatio( const QPaintDevice * );
119 
120  static qreal effectivePenWidth( const QPen & );
121 
122  static int horizontalAdvance( const QFontMetrics&, const QString& );
123  static qreal horizontalAdvance( const QFontMetricsF&, const QString& );
124 
125  static int horizontalAdvance( const QFontMetrics&, QChar );
126  static qreal horizontalAdvance( const QFontMetricsF&, QChar );
127 
128 private:
129  static bool d_polylineSplitting;
130  static bool d_roundingAlignment;
131 };
132 
134 inline void QwtPainter::drawPoint( QPainter *painter, qreal x, qreal y )
135 {
136  QwtPainter::drawPoint( painter, QPointF( x, y ) );
137 }
138 
140 inline void QwtPainter::drawPoints( QPainter *painter, const QPolygon &polygon )
141 {
142  drawPoints( painter, polygon.data(), polygon.size() );
143 }
144 
146 inline void QwtPainter::drawPoints( QPainter *painter, const QPolygonF &polygon )
147 {
148  drawPoints( painter, polygon.data(), polygon.size() );
149 }
150 
152 inline void QwtPainter::drawLine( QPainter *painter,
153  qreal x1, qreal y1, qreal x2, qreal y2 )
154 {
155  QwtPainter::drawLine( painter, QPointF( x1, y1 ), QPointF( x2, y2 ) );
156 }
157 
159 inline void QwtPainter::drawLine( QPainter *painter, const QLineF &line )
160 {
161  QwtPainter::drawLine( painter, line.p1(), line.p2() );
162 }
163 
168 inline bool QwtPainter::polylineSplitting()
169 {
170  return d_polylineSplitting;
171 }
172 
181 inline bool QwtPainter::roundingAlignment()
182 {
183  return d_roundingAlignment;
184 }
185 
190 inline bool QwtPainter::roundingAlignment( const QPainter *painter )
191 {
192  return d_roundingAlignment && isAligning(painter);
193 }
194 
199 inline qreal QwtPainter::effectivePenWidth( const QPen &pen )
200 {
201  const qreal width = pen.widthF();
202  return ( width < 1.0 ) ? 1.0 : width;
203 }
204 
205 #endif
QwtPainter
A collection of QPainter workarounds.
Definition: qwt_painter.h:36
QwtPainter::drawLine
static void drawLine(QPainter *, qreal x1, qreal y1, qreal x2, qreal y2)
Wrapper for QPainter::drawLine()
Definition: qwt_painter.h:152
QwtInterval
A class representing an interval.
Definition: qwt_interval.h:22
QWT_EXPORT
#define QWT_EXPORT
Definition: qwt_global.h:38
QwtPainter::drawPoints
static void drawPoints(QPainter *, const QPolygon &)
Wrapper for QPainter::drawPoints()
Definition: qwt_painter.h:140
QwtPainter::polylineSplitting
static bool polylineSplitting()
Definition: qwt_painter.h:168
QwtPainter::effectivePenWidth
static qreal effectivePenWidth(const QPen &)
Definition: qwt_painter.h:199
qwt_global.h
QwtColorMap
QwtColorMap is used to map values into colors.
Definition: qwt_color_map.h:34
QwtScaleMap
A scale map.
Definition: qwt_scale_map.h:26
QwtPainter::d_roundingAlignment
static bool d_roundingAlignment
Definition: qwt_painter.h:130
QwtPainter::drawPoint
static void drawPoint(QPainter *, const QPoint &)
Wrapper for QPainter::drawPoint()
Definition: qwt_painter.cpp:674
QwtPainter::roundingAlignment
static bool roundingAlignment()
Definition: qwt_painter.h:181
QwtPainter::d_polylineSplitting
static bool d_polylineSplitting
Definition: qwt_painter.h:129

plotjuggler
Author(s): Davide Faconti
autogenerated on Sun Dec 6 2020 03:48:10