#pragma once

#ifndef T_BLUREDBRUSH
#define T_BLUREDBRUSH

#include "traster.h"
#include "trastercm.h"
#include "tcurves.h"
#include <QPainter>
#include <QImage>
#include <QSet>

//=======================================================
//
// BluredBrush
//
//=======================================================

class BluredBrush {
  TRaster32P m_ras;
  QImage m_rasImage;
  int m_size;
  QRadialGradient m_gradient;
  TThickPoint m_lastPoint;
  double m_oldOpacity;
  bool m_enableDynamicOpacity;

  QSet<int> m_aboveStyleIds;

  double getNextPadPosition(const TThickQuadratic &q, double t) const;

public:
  BluredBrush(const TRaster32P &ras, int size, const QRadialGradient &gradient,
              bool doDynamicOpacity);
  ~BluredBrush();

  void addPoint(const TThickPoint &p, double opacity, bool keepDistance = false);
  void addArc(const TThickPoint &pa, const TThickPoint &pb,
              const TThickPoint &pc, double opacityA, double opacityC);
  TRect getBoundFromPoints(const std::vector<TThickPoint> &points) const;
  // colormapped
  void updateDrawing(const TRasterCM32P rasCM, const TRasterCM32P rasBackupCM,
                     const TRect &bbox, int styleId, int drawOrderMode,
                     bool lockAlpha) const;
  void eraseDrawing(const TRasterCM32P rasCM, const TRasterCM32P rasBackupCM,
                    const TRect &bbox, bool selective, int selectedStyleId,
                    const std::wstring &mode) const;

  void setAboveStyleIds(QSet<int> &ids) { m_aboveStyleIds = ids; }

  // fullcolor
  void updateDrawing(const TRasterP ras, const TRasterP rasBackup,
                     const TPixel32 &color, const TRect &bbox,
                     double opacity) const;
  void eraseDrawing(const TRasterP ras, const TRasterP rasBackup,
                    const TRect &bbox, double opacity) const;
};

#endif  // T_BLUREDBRUSH