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koffice/kchart/kdchart/KDChartPolarPainter.h

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/* -*- Mode: C++ -*-
KDChart - a multi-platform charting engine
*/
/****************************************************************************
** Copyright (C) 2001-2003 Klarälvdalens Datakonsult AB. All rights reserved.
**
** This file is part of the KDChart library.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid commercial KDChart licenses may use this file in
** accordance with the KDChart Commercial License Agreement provided with
** the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.klaralvdalens-datakonsult.se/?page=products for
** information about KDChart Commercial License Agreements.
**
** Contact info@klaralvdalens-datakonsult.se if any conditions of this
** licensing are not clear to you.
**
**********************************************************************/
#ifndef __KDCHARTPOLARPAINTER_H__
#define __KDCHARTPOLARPAINTER_H__
#include "KDChartPainter.h"
#include <KDChartTable.h>
#include <KDChartParams.h>
class KDChartPolarPainter : public KDChartPainter
{
friend class KDChartPainter;
protected:
KDChartPolarPainter( KDChartParams* params );
virtual ~KDChartPolarPainter();
virtual void paintData( QPainter* painter,
KDChartTableDataBase* data,
bool paint2nd,
KDChartDataRegionList* regions = 0 );
/* void drawMarker( QPainter* painter,
KDChartParams::PolarMarkerStyle style,
const QColor& color, const QPoint& p,
uint dataset, uint value, uint chart,
double minSizeP1000,
QRegion & region );*/
virtual QString fallbackLegendText( uint dataset ) const;
virtual uint numLegendFallbackTexts( KDChartTableDataBase* data ) const;
private:
QPoint polarToXY( int radius, int angle );
void paintAxisLabels( QPainter* painter,
QStringList& labelTexts,
double radiusDelta,
const QRect& position,
const QPoint& center,
double radiusPPU,
double& currentRadiusPPU,
const KDChartAxisParams & paraCircular,
double minSizeP1000 );
void paintCircularAxisLabel( QPainter* painter,
bool rotate,
int txtAngle,
QPoint center,
double currentRadiusPPU,
const QString& txt,
int align,
int step );
};
#endif