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examples/spectrogram/Plot.h

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+/*****************************************************************************
+ * Qwt Examples - Copyright (C) 2002 Uwe Rathmann
+ * This file may be used under the terms of the 3-clause BSD License
+ *****************************************************************************/
+
+#pragma once
+
+#include <QwtPlot>
+
+class QwtPlotSpectrogram;
+
+class Plot : public QwtPlot
+{
+    Q_OBJECT
+
+  public:
+    enum ColorMap
+    {
+        RGBMap,
+        HueMap,
+        SaturationMap,
+        ValueMap,
+        SVMap,
+        AlphaMap
+    };
+
+    Plot( QWidget* = NULL );
+
+  Q_SIGNALS:
+    void rendered( const QString& status );
+
+  public Q_SLOTS:
+    void showContour( bool on );
+    void showSpectrogram( bool on );
+
+    void setColorMap( int );
+    void setColorTableSize( int );
+    void setAlpha( int );
+
+#ifndef QT_NO_PRINTER
+    void printPlot();
+#endif
+
+  private:
+    virtual void drawItems( QPainter*, const QRectF&,
+        const QwtScaleMap maps[QwtAxis::AxisPositions] ) const QWT_OVERRIDE;
+
+    QwtPlotSpectrogram* m_spectrogram;
+
+    int m_mapType;
+    int m_alpha;
+};