52 lines
1.1 KiB
C++
52 lines
1.1 KiB
C++
/* -*- 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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#include "qwt_pixel_matrix.h"
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/*!
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\brief Constructor
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\param rect Bounding rectangle for the matrix
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*/
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QwtPixelMatrix::QwtPixelMatrix( const QRect& rect ):
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QBitArray( qMax( rect.width() * rect.height(), 0 ) ),
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d_rect( rect )
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{
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}
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//! Destructor
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QwtPixelMatrix::~QwtPixelMatrix()
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{
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}
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/*!
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Set the bounding rectangle of the matrix
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\param rect Bounding rectangle
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\note All bits are cleared
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*/
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void QwtPixelMatrix::setRect( const QRect& rect )
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{
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if ( rect != d_rect )
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{
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d_rect = rect;
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const int sz = qMax( rect.width() * rect.height(), 0 );
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resize( sz );
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}
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fill( false );
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}
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//! \return Bounding rectangle
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QRect QwtPixelMatrix::rect() const
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{
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return d_rect;
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}
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