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/* -*- 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
*****************************************************************************/
// vim: expandtab
#ifndef QWT_RASTER_DATA_H
#define QWT_RASTER_DATA_H 1
#include <qmap.h>
#include "qwt_global.h"
#include "qwt_double_rect.h"
#include "qwt_double_interval.h"
#if QT_VERSION >= 0x040000
#include <qlist.h>
#include <QPolygonF>
#if defined(QWT_TEMPLATEDLL)
// MOC_SKIP_BEGIN
template class QWT_EXPORT QMap<double, QPolygonF>;
// MOC_SKIP_END
#endif
#else
#include <qvaluelist.h>
#include "qwt_array.h"
#include "qwt_double_rect.h"
#if defined(QWT_TEMPLATEDLL)
// MOC_SKIP_BEGIN
#ifndef QWTARRAY_TEMPLATE_QWTDOUBLEPOINT // by mjo3
#define QWTARRAY_TEMPLATE_QWTDOUBLEPOINT
template class QWT_EXPORT QwtArray<QwtDoublePoint>;
#endif //end of QWTARRAY_TEMPLATE_QWTDOUBLEPOINT
#ifndef QMAP_TEMPLATE_DOUBLE_QWTDOUBLEPOINT // by mjo3
#define QMAP_TEMPLATE_DOUBLE_QWTDOUBLEPOINT
template class QWT_EXPORT QMap<double, QwtArray<QwtDoublePoint> >;
#endif //end of QMAP_TEMPLATE_QWTDOUBLEPOINT
// MOC_SKIP_END
#endif
#endif
class QwtScaleMap;
/*!
\brief QwtRasterData defines an interface to any type of raster data.
*/
class QWT_EXPORT QwtRasterData
{
public:
#if QT_VERSION >= 0x040000
typedef QMap<double, QPolygonF> ContourLines;
#else
typedef QMap<double, QwtArray<QwtDoublePoint> > ContourLines;
#endif
IgnoreAllVerticesOnLevel = 1,
IgnoreOutOfRange = 2
};
QwtRasterData();
QwtRasterData(const QwtDoubleRect &);
virtual ~QwtRasterData();
//! Clone the data
virtual QwtRasterData *copy() const = 0;
virtual void setBoundingRect(const QwtDoubleRect &);
QwtDoubleRect boundingRect() const;
virtual QSize rasterHint(const QwtDoubleRect &) const;
virtual void initRaster(const QwtDoubleRect &, const QSize& raster);
virtual void discardRaster();
//! \return the value at a raster position
virtual double value(double x, double y) const = 0;
//! \return the range of the values
virtual QwtDoubleInterval range() const = 0;
#if QT_VERSION >= 0x040000
virtual ContourLines contourLines(const QwtDoubleRect &rect,
const QSize &raster, const QList<double> &levels,
int flags) const;
#else
virtual ContourLines contourLines(const QwtDoubleRect &rect,
const QSize &raster, const QValueList<double> &levels,
int flags) const;