// Copyright 2010 ESRI
// 
// All rights reserved under the copyright laws of the United States
// and applicable international laws, treaties, and conventions.
// 
// You may freely redistribute and use this sample code, with or
// without modification, provided you include the original copyright
// notice and use restrictions.
// 
// See the use restrictions.
// 

  

#ifndef __DYNAMICDISPLAY__MYDYNAMICLAYER_H__
#define __DYNAMICDISPLAY__MYDYNAMICLAYER_H__

#include <ArcSDK.h>

#include "CustomLayerBase.h"

#define NUM_OF_ITEMS             100
#define ANIMATION_CYCLE_TIME_MS  33
#define MAP_CYCLE_TIME_MS        33
#define ESRI_PI                  3.14159265358979323846



class MyDynamicLayer: public CustomLayerBase
{
public:
  MyDynamicLayer(IMap* pMap);
  ~MyDynamicLayer();
  
  void put_Animate(bool bAnimate);

// IDynamicLayer
  HRESULT STDMETHODCALLTYPE get_DynamicLayerDirty(enum esriDynamicDrawPhase DynamicDrawPhase, VARIANT_BOOL* Dirty);
  HRESULT STDMETHODCALLTYPE put_DynamicLayerDirty(enum esriDynamicDrawPhase DynamicDrawPhase, VARIANT_BOOL Dirty);
  HRESULT STDMETHODCALLTYPE get_DynamicRecompileRate(long *dynamicRecompileRateTimeMS);
  HRESULT STDMETHODCALLTYPE DrawDynamicLayer(enum esriDynamicDrawPhase DynamicDrawPhase, struct IDisplay* Display, struct IDynamicDisplay *DynamicDisplay);

  struct SNavigationData
  {
    double x, y, azimuth, stepX, stepY;
    int    type;
  };

private:
  HRESULT CreateDynamicSymbols(IDynamicDisplay* pDynamicDisplay);
  HRESULT GenerateNavigationData(IDisplay* pDisplay);
  void    UpdateItems(IDisplay* pDisplay);
  void    DrawItems(IDisplay* pDisplay, IDynamicDisplay* pDynamicDisplay);
  
  inline double GetRandomDouble();

  IMapPtr          m_ipMap;
  SNavigationData  m_navData[NUM_OF_ITEMS];
  IDynamicGlyphPtr m_ipMarkerGlphys[3];
  IDynamicGlyphPtr m_ipTextGlyph;
  bool             m_bDynamicGlyphsCreated;
  char             m_sIndex[128];
  char             m_sHeading[128];
  char             m_sX[128];
  char             m_sY[128];
  CComBSTR         m_bstrEmptyString;
  bool             m_bAnimate;
  VARIANT_BOOL     m_bIsDirty[2];
};

#endif /* __DYNAMICDISPLAY__MYDYNAMICLAYER_H__ */