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/*
* python-qwt. Python wrapper for the Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
* Copyright (C) 2015 Gudjon I. Gudjonsson
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
class QwtPlotRasterItem: QwtPlotItem
{
%TypeHeaderCode
#include <qwt_plot_rasteritem.h>
%End
public:
enum CachePolicy
{
NoCache,
PaintCache
};
enum PaintAttribute
{
PaintInDeviceResolution = 1
};
typedef QFlags<QwtPlotRasterItem::PaintAttribute> PaintAttributes;
explicit QwtPlotRasterItem( const QString& title = QString::null );
explicit QwtPlotRasterItem( const QwtText& title );
virtual ~QwtPlotRasterItem();
void setPaintAttribute( QwtPlotRasterItem::PaintAttribute, bool on = true );
bool testPaintAttribute( QwtPlotRasterItem::PaintAttribute ) const;
void setAlpha( int alpha );
int alpha() const;
void setCachePolicy( CachePolicy );
CachePolicy cachePolicy() const;
void invalidateCache();
virtual void draw( QPainter *p,
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QRectF &rect ) const;
virtual QRectF pixelHint( const QRectF & ) const;
virtual QwtInterval interval(Qt::Axis) const;
virtual QRectF boundingRect() const;
protected:
virtual QImage renderImage( const QwtScaleMap &xMap,
const QwtScaleMap &yMap, const QRectF &area,
const QSize &imageSize ) const = 0;
virtual QwtScaleMap imageMap( Qt::Orientation,
const QwtScaleMap &map, const QRectF &area,
const QSize &imageSize, double pixelSize) const;
private:
QwtPlotRasterItem( const QwtPlotRasterItem & );
//QwtPlotRasterItem &operator=( const QwtPlotRasterItem & );
/* void init();
QImage compose( const QwtScaleMap &, const QwtScaleMap &,
const QRectF &imageArea, const QRectF &paintRect,
const QSize &imageSize, bool doCache) const;
class PrivateData;
PrivateData *d_data;*/
};
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