| //+------------------------------------------------------------------+
|
| //| ChartObjectsLines.mqh |
|
| //| Copyright 2000-2025, MetaQuotes Ltd. |
|
| //| https://www.mql5.com |
|
| //+------------------------------------------------------------------+
|
| //| All lines. |
|
| //+------------------------------------------------------------------+
|
| #include "ChartObject.mqh"
|
| //+------------------------------------------------------------------+
|
| //| Class CChartObjectVLine. |
|
| //| Purpose: Class of the "Vertical line" object of chart. |
|
| //| Derives from class CChartObject. |
|
| //+------------------------------------------------------------------+
|
| class CChartObjectVLine : public CChartObject
|
| {
|
| public:
|
| CChartObjectVLine(void);
|
| ~CChartObjectVLine(void);
|
| //--- method of creating the object
|
| bool Create(long chart_id,const string name,const int window,const datetime time);
|
| //--- method of identifying the object
|
| virtual int Type(void) const { return(OBJ_VLINE); }
|
| };
|
| //+------------------------------------------------------------------+
|
| //| Constructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectVLine::CChartObjectVLine(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Destructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectVLine::~CChartObjectVLine(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Create object "Vertical line" |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectVLine::Create(long chart_id,const string name,const int window,const datetime time)
|
| {
|
| if(!ObjectCreate(chart_id,name,OBJ_VLINE,window,time,0.0))
|
| return(false);
|
| if(!Attach(chart_id,name,window,1))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Class CChartObjectHLine. |
|
| //| Purpose: Class of the "Horizontal line" object of chart. |
|
| //| Derives from class CChartObject. |
|
| //+------------------------------------------------------------------+
|
| class CChartObjectHLine : public CChartObject
|
| {
|
| public:
|
| CChartObjectHLine(void);
|
| ~CChartObjectHLine(void);
|
| //--- method of creating the object
|
| bool Create(long chart_id,const string name,const int window,const double price);
|
| //--- method of identifying the object
|
| virtual int Type(void) const { return(OBJ_HLINE); }
|
| };
|
| //+------------------------------------------------------------------+
|
| //| Constructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectHLine::CChartObjectHLine(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Destructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectHLine::~CChartObjectHLine(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Create object "Horizontal line" |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectHLine::Create(long chart_id,const string name,const int window,const double price)
|
| {
|
| if(!ObjectCreate(chart_id,name,OBJ_HLINE,window,0,price))
|
| return(false);
|
| if(!Attach(chart_id,name,window,1))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Class CChartObjectTrend. |
|
| //| Purpose: Class of the "Trendline" object of chart. |
|
| //| Derives from class CChartObject. |
|
| //| It is the parent class for all objects that have properties |
|
| //| RAY_LEFT and RAY_RIGHT. |
|
| //+------------------------------------------------------------------+
|
| class CChartObjectTrend : public CChartObject
|
| {
|
| public:
|
| CChartObjectTrend(void);
|
| ~CChartObjectTrend(void);
|
| //--- methods of access to properties of the object
|
| bool RayLeft(void) const;
|
| bool RayLeft(const bool new_sel) const;
|
| bool RayRight(void) const;
|
| bool RayRight(const bool new_sel) 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 price2);
|
| //--- method of identifying the object
|
| virtual int Type(void) const { return(OBJ_TREND); }
|
| //--- methods for working with files
|
| virtual bool Save(const int file_handle);
|
| virtual bool Load(const int file_handle);
|
| };
|
| //+------------------------------------------------------------------+
|
| //| Constructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectTrend::CChartObjectTrend(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Destructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectTrend::~CChartObjectTrend(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Create object "Trendline" |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectTrend::Create(long chart_id,const string name,const int window,
|
| const datetime time1,const double price1,
|
| const datetime time2,const double price2)
|
| {
|
| if(!ObjectCreate(chart_id,name,OBJ_TREND,window,time1,price1,time2,price2))
|
| return(false);
|
| if(!Attach(chart_id,name,window,2))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Get the "Ray left" flag |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectTrend::RayLeft(void) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(false);
|
| //--- result
|
| return((bool)ObjectGetInteger(m_chart_id,m_name,OBJPROP_RAY_LEFT));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Set the "Ray left" flag |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectTrend::RayLeft(const bool new_ray) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(false);
|
| //--- result
|
| return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_RAY_LEFT,new_ray));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Get the "Ray right" flag |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectTrend::RayRight(void) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(false);
|
| //--- result
|
| return((bool)ObjectGetInteger(m_chart_id,m_name,OBJPROP_RAY_RIGHT));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Set the "Ray right" flag |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectTrend::RayRight(const bool new_ray) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(false);
|
| //--- result
|
| return(ObjectSetInteger(m_chart_id,m_name,OBJPROP_RAY_RIGHT,new_ray));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Writing parameters of object to file |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectTrend::Save(const int file_handle)
|
| {
|
| //--- check
|
| if(file_handle==INVALID_HANDLE || m_chart_id==-1)
|
| return(false);
|
| //--- write
|
| if(!CChartObject::Save(file_handle))
|
| return(false);
|
| //--- write value of the "Ray left" property
|
| if(FileWriteInteger(file_handle,(int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_RAY_LEFT),CHAR_VALUE)!=sizeof(char))
|
| return(false);
|
| //--- write value of the "Ray right" property
|
| if(FileWriteInteger(file_handle,(int)ObjectGetInteger(m_chart_id,m_name,OBJPROP_RAY_RIGHT),CHAR_VALUE)!=sizeof(char))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Reading parameters of object from file |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectTrend::Load(const int file_handle)
|
| {
|
| //--- check
|
| if(file_handle==INVALID_HANDLE || m_chart_id==-1)
|
| return(false);
|
| //--- read
|
| if(!CChartObject::Load(file_handle))
|
| return(false);
|
| //--- read value of the "Ray left" property
|
| if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_RAY_LEFT,FileReadInteger(file_handle,CHAR_VALUE)))
|
| return(false);
|
| //--- read value of the "Ray right" property
|
| if(!ObjectSetInteger(m_chart_id,m_name,OBJPROP_RAY_RIGHT,FileReadInteger(file_handle,CHAR_VALUE)))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Class CChartObjectTrendByAngle. |
|
| //| Puprose: Class of the "Trendline by angle" object of chart. |
|
| //| Derives from class CChartObjectTrend. |
|
| //+------------------------------------------------------------------+
|
| class CChartObjectTrendByAngle : public CChartObjectTrend
|
| {
|
| public:
|
| CChartObjectTrendByAngle(void);
|
| ~CChartObjectTrendByAngle(void);
|
| //--- methods of access to properties of the object
|
| double Angle(void) const;
|
| bool Angle(const double angle) 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 price2);
|
| //--- method of identifying the object
|
| virtual int Type(void) const { return(OBJ_TRENDBYANGLE); }
|
| };
|
| //+------------------------------------------------------------------+
|
| //| Constructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectTrendByAngle::CChartObjectTrendByAngle(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Destructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectTrendByAngle::~CChartObjectTrendByAngle(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Create object "Trendline by angle" |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectTrendByAngle::Create(long chart_id,const string name,const int window,
|
| const datetime time1,const double price1,
|
| const datetime time2,const double price2)
|
| {
|
| if(!ObjectCreate(chart_id,name,OBJ_TRENDBYANGLE,window,time1,price1,time2,price2))
|
| return(false);
|
| if(!Attach(chart_id,name,window,2))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Get the "Angle" property |
|
| //+------------------------------------------------------------------+
|
| double CChartObjectTrendByAngle::Angle(void) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(EMPTY_VALUE);
|
| //---
|
| return(ObjectGetDouble(m_chart_id,m_name,OBJPROP_ANGLE));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Set the "Angle" property |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectTrendByAngle::Angle(const double angle) const
|
| {
|
| //--- check
|
| if(m_chart_id==-1)
|
| return(false);
|
| //--- result
|
| return(ObjectSetDouble(m_chart_id,m_name,OBJPROP_ANGLE,angle));
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Class CChartObjectCycles. |
|
| //| Purpose: Class of the "Cycle lines" object of chart. |
|
| //| Derives from class CChartObject. |
|
| //+------------------------------------------------------------------+
|
| class CChartObjectCycles : public CChartObject
|
| {
|
| public:
|
| CChartObjectCycles(void);
|
| ~CChartObjectCycles(void);
|
| //--- 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 price2);
|
| //--- method of identifying the object
|
| virtual int Type(void) const { return(OBJ_CYCLES); }
|
| };
|
| //+------------------------------------------------------------------+
|
| //| Constructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectCycles::CChartObjectCycles(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Destructor |
|
| //+------------------------------------------------------------------+
|
| CChartObjectCycles::~CChartObjectCycles(void)
|
| {
|
| }
|
| //+------------------------------------------------------------------+
|
| //| Create object "Cycle lines" |
|
| //+------------------------------------------------------------------+
|
| bool CChartObjectCycles::Create(long chart_id,const string name,const int window,
|
| const datetime time1,const double price1,
|
| const datetime time2,const double price2)
|
| {
|
| if(!ObjectCreate(chart_id,name,OBJ_CYCLES,window,time1,price1,time2,price2))
|
| return(false);
|
| if(!Attach(chart_id,name,window,2))
|
| return(false);
|
| //--- successful
|
| return(true);
|
| }
|
| //+------------------------------------------------------------------+
|
