189 lines
6.0 KiB
C++
189 lines
6.0 KiB
C++
/* -*- 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;
|
|
|
|
/*!
|
|
\brief A collection of QPainter workarounds
|
|
*/
|
|
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 & r, 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 lineWidth, 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;
|
|
};
|
|
|
|
//! Wrapper for QPainter::drawPoint()
|
|
inline void QwtPainter::drawPoint( QPainter *painter, double x, double y )
|
|
{
|
|
QwtPainter::drawPoint( painter, QPointF( x, y ) );
|
|
}
|
|
|
|
//! Wrapper for QPainter::drawPoints()
|
|
inline void QwtPainter::drawPoints( QPainter *painter, const QPolygon &polygon )
|
|
{
|
|
drawPoints( painter, polygon.data(), polygon.size() );
|
|
}
|
|
|
|
//! Wrapper for QPainter::drawPoints()
|
|
inline void QwtPainter::drawPoints( QPainter *painter, const QPolygonF &polygon )
|
|
{
|
|
drawPoints( painter, polygon.data(), polygon.size() );
|
|
}
|
|
|
|
//! Wrapper for QPainter::drawLine()
|
|
inline void QwtPainter::drawLine( QPainter *painter,
|
|
double x1, double y1, double x2, double y2 )
|
|
{
|
|
QwtPainter::drawLine( painter, QPointF( x1, y1 ), QPointF( x2, y2 ) );
|
|
}
|
|
|
|
//! Wrapper for QPainter::drawLine()
|
|
inline void QwtPainter::drawLine( QPainter *painter, const QLineF &line )
|
|
{
|
|
QwtPainter::drawLine( painter, line.p1(), line.p2() );
|
|
}
|
|
|
|
/*!
|
|
\return True, when line splitting for the raster paint engine is enabled.
|
|
\sa setPolylineSplitting()
|
|
*/
|
|
inline bool QwtPainter::polylineSplitting()
|
|
{
|
|
return d_polylineSplitting;
|
|
}
|
|
|
|
/*!
|
|
Check whether coordinates should be rounded, before they are painted
|
|
to a paint engine that rounds to integer values. For other paint engines
|
|
( PDF, SVG ), this flag has no effect.
|
|
|
|
\return True, when rounding is enabled
|
|
\sa setRoundingAlignment(), isAligning()
|
|
*/
|
|
inline bool QwtPainter::roundingAlignment()
|
|
{
|
|
return d_roundingAlignment;
|
|
}
|
|
|
|
/*!
|
|
\return roundingAlignment() && isAligning(painter);
|
|
\param painter Painter
|
|
*/
|
|
inline bool QwtPainter::roundingAlignment(QPainter *painter)
|
|
{
|
|
return d_roundingAlignment && isAligning(painter);
|
|
}
|
|
#endif
|