qwt_painter.h
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
* Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
#ifndef QWT_PAINTER_H
#define QWT_PAINTER_H
#include "qwt_global.h"
#include <qpoint.h>
#include <qrect.h>
#include <qpen.h>
#include <qline.h>
#include <qpalette.h>
class QPainter;
class QBrush;
class QColor;
class QWidget;
class QPolygonF;
class QRectF;
class QImage;
class QPixmap;
class QwtScaleMap;
class QwtColorMap;
class QwtInterval;
class QTextDocument;
class QPainterPath;
class QWT_EXPORT QwtPainter
{
public:
static void setPolylineSplitting( bool );
static bool polylineSplitting();
static void setRoundingAlignment( bool );
static bool roundingAlignment();
static bool roundingAlignment(QPainter *);
static void drawText( QPainter *, double x, double y, const QString & );
static void drawText( QPainter *, const QPointF &, const QString & );
static void drawText( QPainter *, double x, double y, double w, double h,
int flags, const QString & );
static void drawText( QPainter *, const QRectF &,
int flags, const QString & );
#ifndef QT_NO_RICHTEXT
static void drawSimpleRichText( QPainter *, const QRectF &,
int flags, const QTextDocument & );
#endif
static void drawRect( QPainter *, double x, double y, double w, double h );
static void drawRect( QPainter *, const QRectF &rect );
static void fillRect( QPainter *, const QRectF &, const QBrush & );
static void drawEllipse( QPainter *, const QRectF & );
static void drawPie( QPainter *, const QRectF &, int a, int alen );
static void drawLine( QPainter *, double x1, double y1, double x2, double y2 );
static void drawLine( QPainter *, const QPointF &p1, const QPointF &p2 );
static void drawLine( QPainter *, const QLineF & );
static void drawPolygon( QPainter *, const QPolygonF & );
static void drawPolyline( QPainter *, const QPolygonF & );
static void drawPolyline( QPainter *, const QPointF *, int pointCount );
static void drawPolygon( QPainter *, const QPolygon & );
static void drawPolyline( QPainter *, const QPolygon & );
static void drawPolyline( QPainter *, const QPoint *, int pointCount );
static void drawPoint( QPainter *, const QPoint & );
static void drawPoints( QPainter *, const QPolygon & );
static void drawPoints( QPainter *, const QPoint *, int pointCount );
static void drawPoint( QPainter *, double x, double y );
static void drawPoint( QPainter *, const QPointF & );
static void drawPoints( QPainter *, const QPolygonF & );
static void drawPoints( QPainter *, const QPointF *, int pointCount );
static void drawPath( QPainter *, const QPainterPath & );
static void drawImage( QPainter *, const QRectF &, const QImage & );
static void drawPixmap( QPainter *, const QRectF &, const QPixmap & );
static void drawRoundFrame( QPainter *,
const QRectF &, const QPalette &, int lineWidth, int frameStyle );
static void drawRoundedFrame( QPainter *,
const QRectF &, double xRadius, double yRadius,
const QPalette &, int lineWidth, int frameStyle );
static void drawFrame( QPainter *, const QRectF &rect,
const QPalette &palette, QPalette::ColorRole foregroundRole,
int frameWidth, int midLineWidth, int frameStyle );
static void drawFocusRect( QPainter *, const QWidget * );
static void drawFocusRect( QPainter *, const QWidget *, const QRect & );
static void drawColorBar( QPainter *painter,
const QwtColorMap &, const QwtInterval &,
const QwtScaleMap &, Qt::Orientation, const QRectF & );
static bool isAligning( QPainter *painter );
static bool isX11GraphicsSystem();
static void fillPixmap( const QWidget *,
QPixmap &, const QPoint &offset = QPoint() );
static void drawBackgound( QPainter *painter,
const QRectF &rect, const QWidget *widget );
static QPixmap backingStore( QWidget *, const QSize & );
private:
static bool d_polylineSplitting;
static bool d_roundingAlignment;
};
inline void QwtPainter::drawPoint( QPainter *painter, double x, double y )
{
QwtPainter::drawPoint( painter, QPointF( x, y ) );
}
inline void QwtPainter::drawPoints( QPainter *painter, const QPolygon &polygon )
{
drawPoints( painter, polygon.data(), polygon.size() );
}
inline void QwtPainter::drawPoints( QPainter *painter, const QPolygonF &polygon )
{
drawPoints( painter, polygon.data(), polygon.size() );
}
inline void QwtPainter::drawLine( QPainter *painter,
double x1, double y1, double x2, double y2 )
{
QwtPainter::drawLine( painter, QPointF( x1, y1 ), QPointF( x2, y2 ) );
}
inline void QwtPainter::drawLine( QPainter *painter, const QLineF &line )
{
QwtPainter::drawLine( painter, line.p1(), line.p2() );
}
inline bool QwtPainter::polylineSplitting()
{
return d_polylineSplitting;
}
inline bool QwtPainter::roundingAlignment()
{
return d_roundingAlignment;
}
inline bool QwtPainter::roundingAlignment(QPainter *painter)
{
return d_roundingAlignment && isAligning(painter);
}
#endif
QwtColorMap
QwtColorMap is used to map values into colors.
Definition: qwt_color_map.h:34
QwtPainter::polylineSplitting
static bool polylineSplitting()
Definition: qwt_painter.h:162
QwtPainter::isAligning
static bool isAligning(QPainter *painter)
Definition: qwt_painter.cpp:177
QwtPainter::drawPoints
static void drawPoints(QPainter *, const QPolygon &)
Wrapper for QPainter::drawPoints()
Definition: qwt_painter.h:134
QwtScaleMap
A scale map.
Definition: qwt_scale_map.h:31
QwtPainter::drawLine
static void drawLine(QPainter *, double x1, double y1, double x2, double y2)
Wrapper for QPainter::drawLine()
Definition: qwt_painter.h:146
QwtInterval
A class representing an interval.
Definition: qwt_interval.h:27
QwtPainter
A collection of QPainter workarounds.
Definition: qwt_painter.h:40
QwtPainter::roundingAlignment
static bool roundingAlignment()
Definition: qwt_painter.h:175
QwtPainter::drawPoint
static void drawPoint(QPainter *, const QPoint &)
Wrapper for QPainter::drawPoint()
Definition: qwt_painter.cpp:568