新增qwt源码版本

qwtdemo/qwt/qwt_plot_spectrocurve.h

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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
+ *****************************************************************************/
+
+#ifndef QWT_PLOT_CURVE_3D_H
+#define QWT_PLOT_CURVE_3D_H
+
+#include "qwt_global.h"
+#include "qwt_plot_seriesitem.h"
+#include "qwt_series_data.h"
+
+class QwtSymbol;
+class QwtColorMap;
+
+/*!
+    \brief Curve that displays 3D points as dots, where the z coordinate is
+           mapped to a color.
+*/
+class QWT_EXPORT QwtPlotSpectroCurve: 
+    public QwtPlotSeriesItem, QwtSeriesStore<QwtPoint3D>
+{
+public:
+    //! Paint attributes
+    enum PaintAttribute
+    {
+        //! Clip points outside the canvas rectangle
+        ClipPoints = 1
+    };
+
+    //! Paint attributes
+    typedef QFlags<PaintAttribute> PaintAttributes;
+
+    explicit QwtPlotSpectroCurve( const QString &title = QString::null );
+    explicit QwtPlotSpectroCurve( const QwtText &title );
+
+    virtual ~QwtPlotSpectroCurve();
+
+    virtual int rtti() const;
+
+    void setPaintAttribute( PaintAttribute, bool on = true );
+    bool testPaintAttribute( PaintAttribute ) const;
+
+    void setSamples( const QVector<QwtPoint3D> & );
+    void setSamples( QwtSeriesData<QwtPoint3D> * );
+
+
+    void setColorMap( QwtColorMap * );
+    const QwtColorMap *colorMap() const;
+
+    void setColorRange( const QwtInterval & );
+    QwtInterval & colorRange() const;
+
+    virtual void drawSeries( QPainter *,
+        const QwtScaleMap &xMap, const QwtScaleMap &yMap,
+        const QRectF &canvasRect, int from, int to ) const;
+
+    void setPenWidth(double width);
+    double penWidth() const;
+
+protected:
+    virtual void drawDots( QPainter *,
+        const QwtScaleMap &xMap, const QwtScaleMap &yMap,
+        const QRectF &canvasRect, int from, int to ) const;
+
+private:
+    void init();
+
+    class PrivateData;
+    PrivateData *d_data;
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS( QwtPlotSpectroCurve::PaintAttributes )
+
+#endif