kis_polygonal_gradient_shape_strategy.h

Go to the documentation of this file.

/*
 *  SPDX-FileCopyrightText: 2014 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef __KIS_POLYGONAL_GRADIENT_SHAPE_STRATEGY_H
#define __KIS_POLYGONAL_GRADIENT_SHAPE_STRATEGY_H
 
#include "kis_gradient_shape_strategy.h"
 
#include <QPainterPath>
 
#include "kritaimage_export.h"
 
 
class KRITAIMAGE_EXPORT KisPolygonalGradientShapeStrategy : public KisGradientShapeStrategy
{
public:
    KisPolygonalGradientShapeStrategy(const QPainterPath &selectionPath,
                                      qreal exponent);
    ~KisPolygonalGradientShapeStrategy() override;
 
    double valueAt(double x, double y) const override;
 
    static QPointF testingCalculatePathCenter(int numSamples, const QPainterPath &path, qreal exponent, bool searchForMax);
 
private:
    QPainterPath m_selectionPath;
 
    qreal m_exponent;
    qreal m_minWeight;
    qreal m_maxWeight;
    qreal m_scaleCoeff;
};
 
#endif /* __KIS_POLYGONAL_GRADIENT_SHAPE_STRATEGY_H */