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33fc476d89
* require qwt >=6.2 (and fallback to internal 6.3 if system's qwt doesn't suffice) * debian doesn't have qwt for Qt6 and won't have it for trixie
77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
/******************************************************************************
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* QwtPolar Widget Library
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* Copyright (C) 2008 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_POLAR_LAYOUT_H
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#define QWT_POLAR_LAYOUT_H
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#include "qwt_global.h"
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#include "qwt_polar_plot.h"
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/*!
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\brief Layout class for QwtPolarPlot.
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Organizes the geometry for the different QwtPolarPlot components.
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It is used by the QwtPolar widget to organize its internal widgets
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or by QwtPolarRnderer to render its content to a QPaintDevice like
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a QPrinter, QPixmap/QImage or QSvgRenderer.
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*/
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class QWT_EXPORT QwtPolarLayout
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{
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public:
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//! \brief Options to configure the plot layout engine
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enum Option
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{
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//! Ignore the dimension of the scrollbars.
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IgnoreScrollbars = 0x01,
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//! Ignore all frames.
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IgnoreFrames = 0x02,
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//! Ignore the title.
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IgnoreTitle = 0x04,
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//! Ignore the legend.
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IgnoreLegend = 0x08
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};
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Q_DECLARE_FLAGS( Options, Option )
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explicit QwtPolarLayout();
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virtual ~QwtPolarLayout();
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void setLegendPosition( QwtPolarPlot::LegendPosition pos, double ratio );
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void setLegendPosition( QwtPolarPlot::LegendPosition pos );
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QwtPolarPlot::LegendPosition legendPosition() const;
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void setLegendRatio( double ratio );
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double legendRatio() const;
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virtual void activate( const QwtPolarPlot*,
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const QRectF& rect, Options options = Options() );
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virtual void invalidate();
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const QRectF& titleRect() const;
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const QRectF& legendRect() const;
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const QRectF& canvasRect() const;
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class LayoutData;
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protected:
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QRectF layoutLegend( Options options, QRectF& ) const;
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private:
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class PrivateData;
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PrivateData* m_data;
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPolarLayout::Options )
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#endif
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