Qwt User's Guide  6.0.2
qwt_matrix_raster_data.h
1 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
2  * Qwt Widget Library
3  * Copyright (C) 1997 Josef Wilgen
4  * Copyright (C) 2002 Uwe Rathmann
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the Qwt License, Version 1.0
8  *****************************************************************************/
9 
10 #ifndef QWT_MATRIX_RASTER_DATA_H
11 #define QWT_MATRIX_RASTER_DATA_H 1
12 
13 #include "qwt_global.h"
14 #include "qwt_raster_data.h"
15 #include <qvector.h>
16 
25 class QWT_EXPORT QwtMatrixRasterData: public QwtRasterData
26 {
27 public:
33  {
39 
44  BilinearInterpolation
45  };
46 
48  virtual ~QwtMatrixRasterData();
49 
50  void setResampleMode(ResampleMode mode);
51  ResampleMode resampleMode() const;
52 
53  virtual void setInterval( Qt::Axis, const QwtInterval & );
54  void setValueMatrix( const QVector<double> &values, size_t numColumns );
55 
56  const QVector<double> valueMatrix() const;
57  size_t numColumns() const;
58  size_t numRows() const;
59 
60  virtual QRectF pixelHint( const QRectF & ) const;
61 
62  virtual double value( double x, double y ) const;
63 
64 private:
65  void update();
66 
67  class PrivateData;
68  PrivateData *d_data;
69 };
70 
71 #endif