kopia lustrzana https://github.com/xdsopl/qsstv
162 wiersze
3.7 KiB
C++
162 wiersze
3.7 KiB
C++
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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* Qwt Widget Library
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* Copyright (C) 1997 Josef Wilgen
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* Copyright (C) 2002 Uwe Rathmann
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the Qwt License, Version 1.0
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*****************************************************************************/
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#ifndef QWT_COLUMN_SYMBOL_H
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#define QWT_COLUMN_SYMBOL_H
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#include "qwt_global.h"
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#include "qwt_interval.h"
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#include <qpen.h>
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#include <qsize.h>
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#include <qrect.h>
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class QPainter;
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class QPalette;
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class QRect;
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class QwtText;
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/*!
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\brief Directed rectangle representing bounding rectangle and orientation
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of a column.
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*/
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class QWT_EXPORT QwtColumnRect
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{
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public:
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//! Direction of the column
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enum Direction
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{
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//! From left to right
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LeftToRight,
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//! From right to left
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RightToLeft,
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//! From bottom to top
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BottomToTop,
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//! From top to bottom
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TopToBottom
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};
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//! Build an rectangle with invalid intervals directed BottomToTop.
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QwtColumnRect():
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direction( BottomToTop )
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{
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}
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//! \return A normalized QRect built from the intervals
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QRectF toRect() const
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{
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QRectF r( hInterval.minValue(), vInterval.minValue(),
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hInterval.maxValue() - hInterval.minValue(),
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vInterval.maxValue() - vInterval.minValue() );
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r = r.normalized();
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if ( hInterval.borderFlags() & QwtInterval::ExcludeMinimum )
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r.adjust( 1, 0, 0, 0 );
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if ( hInterval.borderFlags() & QwtInterval::ExcludeMaximum )
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r.adjust( 0, 0, -1, 0 );
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if ( vInterval.borderFlags() & QwtInterval::ExcludeMinimum )
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r.adjust( 0, 1, 0, 0 );
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if ( vInterval.borderFlags() & QwtInterval::ExcludeMaximum )
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r.adjust( 0, 0, 0, -1 );
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return r;
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}
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//! \return Orientation
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Qt::Orientation orientation() const
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{
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if ( direction == LeftToRight || direction == RightToLeft )
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return Qt::Horizontal;
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return Qt::Vertical;
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}
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//! Interval for the horizontal coordinates
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QwtInterval hInterval;
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//! Interval for the vertical coordinates
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QwtInterval vInterval;
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//! Direction
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Direction direction;
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};
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//! A drawing primitive for columns
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class QWT_EXPORT QwtColumnSymbol
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{
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public:
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/*!
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Style
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\sa setStyle(), style()
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*/
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enum Style
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{
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//! No Style, the symbol draws nothing
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NoStyle = -1,
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/*!
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The column is painted with a frame depending on the frameStyle()
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and lineWidth() using the palette().
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*/
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Box,
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/*!
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Styles >= QwtColumnSymbol::UserStyle are reserved for derived
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classes of QwtColumnSymbol that overload draw() with
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additional application specific symbol types.
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*/
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UserStyle = 1000
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};
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/*!
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Frame Style used in Box style().
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\sa Style, setFrameStyle(), frameStyle(), setStyle(), setPalette()
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*/
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enum FrameStyle
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{
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//! No frame
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NoFrame,
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//! A plain frame style
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Plain,
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//! A raised frame style
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Raised
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};
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public:
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QwtColumnSymbol( Style = NoStyle );
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virtual ~QwtColumnSymbol();
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void setFrameStyle( FrameStyle style );
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FrameStyle frameStyle() const;
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void setLineWidth( int width );
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int lineWidth() const;
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void setPalette( const QPalette & );
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const QPalette &palette() const;
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void setStyle( Style );
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Style style() const;
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virtual void draw( QPainter *, const QwtColumnRect & ) const;
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protected:
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void drawBox( QPainter *, const QwtColumnRect & ) const;
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private:
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class PrivateData;
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PrivateData* d_data;
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};
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#endif
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