| //+------------------------------------------------------------------+
|
| //| ChartObjectsGann.mqh |
|
| //| Copyright 2000-2025, MetaQuotes Ltd. |
|
| //| https://www.mql5.com |
|
| //+------------------------------------------------------------------+
|
| //| All Gann tools. |
|
| //+------------------------------------------------------------------+
|
| #include "ChartObjectsLines.mqh"
|
| //+------------------------------------------------------------------+
|
| //| Class CChartObjectGannLine. |
|
| //| Purpose: Class of the "Gann Line" object of chart. |
|
| //| Derives from class CChartObjectTrendByAngle. |
|
| //+------------------------------------------------------------------+
|
| class CChartObjectGannLine : public CChartObjectTrendByAngle
|
| {
|
| public:
|
| CChartObjectGannLine(void);
|
| ~CChartObjectGannLine(void);
|
| //--- methods of access to properties of the object
|
| double PipsPerBar(void) const;
|
| bool PipsPerBar(const double ppb) const;
|
| //--- method of creating the object
|
| bool Create(long chart_id,const string name,const int window,
|
| const datetime time1,const double price1,
|
| const datetime time2,const double ppb);
|
| //--- method of identifying the object
|
| virtual int Type(void) const { return(OBJ_GANNLINE); }
|
| //--- methods for working with files
|
| virtual bool Save(const int file_handle);
|
| virtual bool Load(const int file_handle);
|
| };
|
| //+------------------------------------------------------------------+
|
| //| Constructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectGannLine::CChartObjectGannLine(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Destructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectGannLine::~CChartObjectGannLine(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Create object "Gann Line" |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannLine::Create(long chart_id,const string name,const int window,
|
| const datetime time1,const double price1,
|
| const datetime time2,const double ppb)
|
| {
|
| if(!ObjectCreate(chart_id,name,OBJ_GANNLINE,window,time1,price1,time2,0.0))
|
| return(false);
|
| if(!Attach(chart_id,name,window,2))
|
| return(false);
|
| if(!PipsPerBar(ppb))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Get value of the "PipsPerBar" property |
|
| //+------------------------------------------------------------------+
|
| double CChartObjectGannLine::PipsPerBar(void) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(EMPTY_VALUE);
|
| //--- result
|
| return(ObjectGetDouble(m_chart_id,m_name,OBJPROP_SCALE));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Set value for the "PipsPerBar" property |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannLine::PipsPerBar(const double ppb) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(false);
|
| //--- result
|
| return(ObjectSetDouble(m_chart_id,m_name,OBJPROP_SCALE,ppb));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Writing parameters of object to file |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannLine::Save(const int file_handle)
|
| {
|
| //--- check
|
| if(file_handle==INVALID_HANDLE || m_chart_id==-1)
|
| return(false);
|
| //--- write
|
| if(!CChartObjectTrend::Save(file_handle))
|
| return(false);
|
| //--- write value of the "PipsPerBar"
|
| if(FileWriteDouble(file_handle,ObjectGetDouble(m_chart_id,m_name,OBJPROP_SCALE))!=sizeof(double))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Reading parameters of object from file |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannLine::Load(const int file_handle)
|
| {
|
| //--- check
|
| if(file_handle==INVALID_HANDLE || m_chart_id==-1)
|
| return(false);
|
| //--- read
|
| if(!CChartObjectTrend::Load(file_handle))
|
| return(false);
|
| //--- read value of the "PipsPerBar" property
|
| if(!ObjectSetDouble(m_chart_id,m_name,OBJPROP_SCALE,FileReadDouble(file_handle)))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Class CChartObjectGannFan. |
|
| //| Purpose: Class of the "Gann Fan" object of chart. |
|
| //| Derives from class CChartObjectTrend. |
|
| //+------------------------------------------------------------------+
|
| class CChartObjectGannFan : public CChartObjectTrend
|
| {
|
| public:
|
| CChartObjectGannFan(void);
|
| ~CChartObjectGannFan(void);
|
| //--- methods of access to properties of the object
|
| double PipsPerBar(void) const;
|
| bool PipsPerBar(const double ppb) const;
|
| bool Downtrend(void) const;
|
| bool Downtrend(const bool downtrend) const;
|
| //--- method of create the object
|
| bool Create(long chart_id,const string name,const int window,
|
| const datetime time1,const double price1,
|
| const datetime time2,const double ppb);
|
| //--- method of identifying the object
|
| virtual int Type(void) const { return(OBJ_GANNFAN); }
|
| //--- methods for working with files
|
| virtual bool Save(const int file_handle);
|
| virtual bool Load(const int file_handle);
|
| };
|
| //+------------------------------------------------------------------+
|
| //| Constructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectGannFan::CChartObjectGannFan(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Destructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectGannFan::~CChartObjectGannFan(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Create object "Gann Fan" |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannFan::Create(long chart_id,const string name,const int window,
|
| const datetime time1,const double price1,
|
| const datetime time2,const double ppb)
|
| {
|
| if(!ObjectCreate(chart_id,name,OBJ_GANNFAN,window,time1,price1,time2,0.0))
|
| return(false);
|
| if(!Attach(chart_id,name,window,2))
|
| return(false);
|
| if(!PipsPerBar(ppb))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Get value of the "PipsPerBar" property |
|
| //+------------------------------------------------------------------+
|
| double CChartObjectGannFan::PipsPerBar(void) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(EMPTY_VALUE);
|
| //--- result
|
| return(ObjectGetDouble(m_chart_id,m_name,OBJPROP_SCALE));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Set value for the "PipsPerBar" property |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannFan::PipsPerBar(const double ppb) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(false);
|
| //--- result
|
| return(ObjectSetDouble(m_chart_id,m_name,OBJPROP_SCALE,ppb));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Get value of the "Downtrend" property |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannFan::Downtrend(void) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(false);
|
| //--- result
|
| return((bool)ObjectGetInteger(m_chart_id,m_name,OBJPROP_DIRECTION));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Set value for the "Downtrend" property |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannFan::Downtrend(const bool downtrend) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(false);
|
| //--- result
|
| return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_DIRECTION,downtrend));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Writing parameters of object to file |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannFan::Save(const int file_handle)
|
| {
|
| //--- check
|
| if(file_handle==INVALID_HANDLE || m_chart_id==-1)
|
| return(false);
|
| //--- write
|
| if(!CChartObjectTrend::Save(file_handle))
|
| return(false);
|
| //--- write value of the "PipsPerBar" property
|
| if(FileWriteDouble(file_handle,ObjectGetDouble(m_chart_id,m_name,OBJPROP_SCALE))!=sizeof(double))
|
| return(false);
|
| //--- write value of the "Downtrend" property
|
| if(FileWriteInteger(file_handle,(int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_DIRECTION),CHAR_VALUE)!=sizeof(char))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Reading object parameters from file |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannFan::Load(const int file_handle)
|
| {
|
| //--- check
|
| if(file_handle==INVALID_HANDLE || m_chart_id==-1)
|
| return(false);
|
| //--- read
|
| if(!CChartObjectTrend::Load(file_handle))
|
| return(false);
|
| //--- read value of the "PipsPerBar" property
|
| if(!ObjectSetDouble(m_chart_id,m_name,OBJPROP_SCALE,FileReadDouble(file_handle)))
|
| return(false);
|
| //--- read value of the "Downtrend" property
|
| if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_DIRECTION,FileReadInteger(file_handle,CHAR_VALUE)))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Class CChartObjectGannGrid. |
|
| //| Purpose: Class of the "Gann Grid" object of chart. |
|
| //| Derives from class CChartObjectTrend. |
|
| //+------------------------------------------------------------------+
|
| class CChartObjectGannGrid : public CChartObjectTrend
|
| {
|
| public:
|
| CChartObjectGannGrid(void);
|
| ~CChartObjectGannGrid(void);
|
| //--- methods of access to properties of the object
|
| double PipsPerBar(void) const;
|
| bool PipsPerBar(const double ppb) const;
|
| bool Downtrend(void) const;
|
| bool Downtrend(const bool downtrend) const;
|
| //--- method of creating the object
|
| bool Create(long chart_id,const string name,const int window,
|
| const datetime time1,const double price1,
|
| const datetime time2,const double ppb);
|
| //--- method of identifying the object
|
| virtual int Type(void) const { return(OBJ_GANNGRID); }
|
| //--- methods for working with files
|
| virtual bool Save(const int file_handle);
|
| virtual bool Load(const int file_handle);
|
| };
|
| //+------------------------------------------------------------------+
|
| //| Constructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectGannGrid::CChartObjectGannGrid(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Destructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectGannGrid::~CChartObjectGannGrid(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Create object "Gann Grid" |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannGrid::Create(long chart_id,const string name,const int window,
|
| const datetime time1,const double price1,
|
| const datetime time2,const double ppb)
|
| {
|
| if(!ObjectCreate(chart_id,name,OBJ_GANNGRID,window,time1,price1,time2,0.0))
|
| return(false);
|
| if(!Attach(chart_id,name,window,2))
|
| return(false);
|
| if(!PipsPerBar(ppb))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Get value of the"PipsPerBar" property |
|
| //+------------------------------------------------------------------+
|
| double CChartObjectGannGrid::PipsPerBar(void) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(EMPTY_VALUE);
|
| //--- result
|
| return(ObjectGetDouble(m_chart_id,m_name,OBJPROP_SCALE));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Set value for the "PipsPerBar" property |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannGrid::PipsPerBar(const double ppb) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(false);
|
| //--- result
|
| return(ObjectSetDouble(m_chart_id,m_name,OBJPROP_SCALE,ppb));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Get the property value "Downtrend" |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannGrid::Downtrend(void) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(false);
|
| //--- result
|
| return((bool)ObjectGetInteger(m_chart_id,m_name,OBJPROP_DIRECTION));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Set the property value "Downtrend" |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannGrid::Downtrend(const bool downtrend) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(false);
|
| //--- result
|
| return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_DIRECTION,downtrend));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Writing parameters of object to file |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannGrid::Save(const int file_handle)
|
| {
|
| //--- check
|
| if(file_handle==INVALID_HANDLE || m_chart_id==-1)
|
| return(false);
|
| //--- write
|
| if(!CChartObjectTrend::Save(file_handle))
|
| return(false);
|
| //--- write value of the "PipsPerBar" property
|
| if(FileWriteDouble(file_handle,ObjectGetDouble(m_chart_id,m_name,OBJPROP_SCALE))!=sizeof(double))
|
| return(false);
|
| //--- write value of the "Downtrend" property
|
| if(FileWriteInteger(file_handle,(int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_DIRECTION),CHAR_VALUE)!=sizeof(char))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Reading paprameters of object from file |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectGannGrid::Load(const int file_handle)
|
| {
|
| //--- check
|
| if(file_handle==INVALID_HANDLE || m_chart_id==-1)
|
| return(false);
|
| //--- read
|
| if(!CChartObjectTrend::Load(file_handle))
|
| return(false);
|
| //--- read value of the "PipsPerBar" property
|
| if(!ObjectSetDouble(m_chart_id,m_name,OBJPROP_SCALE,FileReadDouble(file_handle)))
|
| return(false);
|
| //--- read value of the "Downtrend" property
|
| if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_DIRECTION,FileReadInteger(file_handle,CHAR_VALUE)))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
