#pragma once
 
#ifndef TREGIONPROP_H
#define TREGIONPROP_H
 
#include "tgeometry.h"
#include "tregionoutline.h"
#include "tsimplecolorstyles.h"
 
#undef DVAPI
#undef DVVAR
 
#ifdef TVRENDER_EXPORTS
#define DVAPI DV_EXPORT_API
#define DVVAR DV_EXPORT_VAR
#else
#define DVAPI DV_IMPORT_API
#define DVVAR DV_IMPORT_VAR
#endif
 
//============================================================================//
 
// forward declarations
 
class TColorStyle;
class TRegion;
class TVectorRenderData;
class TInputStreamInterface;
class TOutputStreamInterface;
 
class TFlash;
 
template <class T>
class TRasterPT;
class TPixelRGBM32;
 
typedef TPixelRGBM32 TPixel32;
typedef TRasterPT<TPixel32> TRaster32P;
 
//============================================================================//
//                                TRegionProp //
//============================================================================//
 
class TRegionProp {
  const TRegion *const m_region;
 
protected:
  bool m_regionChanged;
  int m_styleVersionNumber;
 
public:
  TRegionProp(const TRegion *region);
 
  virtual ~TRegionProp() {}
 
  //! Note: update internal data if isRegionChanged()
  virtual void draw(const TVectorRenderData &rd) = 0;
 
  virtual void draw(TFlash &){};
 
  const TRegion *getRegion() const { return m_region; }
 
  virtual const TColorStyle *getColorStyle() const = 0;
 
  virtual void notifyRegionChange() { m_regionChanged = true; }
 
  virtual TRegionProp *clone(const TRegion *region) const = 0;
 
private:
  // not implemented
  TRegionProp(const TRegionProp &);
  TRegionProp &operator=(const TRegionProp &);
};
 
//-------------------------------------------------------------------
 
class OutlineRegionProp final : public TRegionProp {
  double m_pixelSize;
  TOutlineStyleP m_colorStyle;
 
  TRegionOutline m_outline;
 
  //-------------------------------------------------------------------
 
  void computeRegionOutline();
 
public:
  OutlineRegionProp(const TRegion *region, const TOutlineStyleP regionStyle);
 
  void draw(const TVectorRenderData &rd) override;
  void draw(TFlash &rd) override;
 
  const TColorStyle *getColorStyle() const override;
 
  TRegionProp *clone(const TRegion *region) const override;
};
 
#endif