Qwt User's Guide
6.0.2
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qwt_matrix_raster_data.h
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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
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* Qwt Widget Library
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* Copyright (C) 1997 Josef Wilgen
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* Copyright (C) 2002 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_MATRIX_RASTER_DATA_H
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#define QWT_MATRIX_RASTER_DATA_H 1
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#include "qwt_global.h"
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#include "qwt_raster_data.h"
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#include <qvector.h>
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class
QWT_EXPORT
QwtMatrixRasterData
:
public
QwtRasterData
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{
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public
:
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enum
ResampleMode
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{
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NearestNeighbour
,
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BilinearInterpolation
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};
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QwtMatrixRasterData
();
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virtual
~
QwtMatrixRasterData
();
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void
setResampleMode(ResampleMode mode);
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ResampleMode resampleMode()
const
;
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virtual
void
setInterval
( Qt::Axis,
const
QwtInterval
& );
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void
setValueMatrix(
const
QVector<double> &values,
size_t
numColumns );
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const
QVector<double> valueMatrix()
const
;
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size_t
numColumns()
const
;
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size_t
numRows()
const
;
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virtual
QRectF
pixelHint
(
const
QRectF & )
const
;
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virtual
double
value
(
double
x,
double
y )
const
;
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private
:
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void
update();
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class
PrivateData;
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PrivateData *d_data;
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};
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#endif
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