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/****************************************************************************
**
** This file is based on some files of the demonstration applications of the
** Qt Toolkit.
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Modified to be used as a part of FractalNow:
** Copyright (c) 2012 Marc Pegon <pe.marc@free.fr>
**
** This file can be distributed and/or modified under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation.
** You should have received a copy of the GNU General Public License
** along with this file; if not, write to the Free Software Foundation, Inc.,
** 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**
****************************************************************************/
#ifndef __SHADE_WIDGET_H__
#define __SHADE_WIDGET_H__
#include "hoverpoints.h"
class ShadeWidget : public QWidget
{
Q_OBJECT
public:
enum ShadeType {
RedShade,
GreenShade,
BlueShade,
ARGBShade
};
ShadeWidget(ShadeType type, QWidget *parent = 0);
void setGradientStops(const QGradientStops &stops);
void paintEvent(QPaintEvent *e);
QSize sizeHint() const { return QSize(150, 40); }
QPolygonF points() const;
HoverPoints *hoverPoints() const { return m_hoverPoints; }
uint colorAt(int x);
signals:
void colorsChanged();
private:
void generateShade();
ShadeType m_shade_type;
HoverPoints *m_hoverPoints;
QLinearGradient m_alpha_gradient;
QImage m_shade;
};
#endif
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