mirror of
https://github.com/qgis/QGIS.git
synced 2025-10-04 00:04:03 -04:00
33fc476d89
* require qwt >=6.2 (and fallback to internal 6.3 if system's qwt doesn't suffice) * debian doesn't have qwt for Qt6 and won't have it for trixie
52 lines
1.1 KiB
C++
52 lines
1.1 KiB
C++
/******************************************************************************
|
|
* 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
|
|
*****************************************************************************/
|
|
|
|
#include "qwt_pixel_matrix.h"
|
|
|
|
/*!
|
|
\brief Constructor
|
|
|
|
\param rect Bounding rectangle for the matrix
|
|
*/
|
|
QwtPixelMatrix::QwtPixelMatrix( const QRect& rect )
|
|
: QBitArray( qMax( rect.width() * rect.height(), 0 ) )
|
|
, m_rect( rect )
|
|
{
|
|
}
|
|
|
|
//! Destructor
|
|
QwtPixelMatrix::~QwtPixelMatrix()
|
|
{
|
|
}
|
|
|
|
/*!
|
|
Set the bounding rectangle of the matrix
|
|
|
|
\param rect Bounding rectangle
|
|
|
|
\note All bits are cleared
|
|
*/
|
|
void QwtPixelMatrix::setRect( const QRect& rect )
|
|
{
|
|
if ( rect != m_rect )
|
|
{
|
|
m_rect = rect;
|
|
const int sz = qMax( rect.width() * rect.height(), 0 );
|
|
resize( sz );
|
|
}
|
|
|
|
fill( false );
|
|
}
|
|
|
|
//! \return Bounding rectangle
|
|
QRect QwtPixelMatrix::rect() const
|
|
{
|
|
return m_rect;
|
|
}
|