| //+------------------------------------------------------------------+
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| //| Rect.mqh |
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| //| Copyright 2000-2025, MetaQuotes Ltd. |
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| //| https://www.mql5.com |
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| //+------------------------------------------------------------------+
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| //+------------------------------------------------------------------+
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| //| Structure CPoint |
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| //| Usage: point of chart in Cartesian coordinates |
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| //+------------------------------------------------------------------+
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| struct CPoint
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| {
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| int x; // horizontal coordinate
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| int y; // vertical coordinate
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| };
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| //+------------------------------------------------------------------+
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| //| Structure CSize |
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| //| Usage: size of area of chart in Cartesian coordinates |
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| //+------------------------------------------------------------------+
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| struct CSize
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| {
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| int cx; // horizontal size
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| int cy; // vertical size
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| };
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| //+------------------------------------------------------------------+
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| //| Structure CRect |
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| //| Usage: area of chart in Cartesian coordinates |
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| //+------------------------------------------------------------------+
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| struct CRect
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| {
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| int left; // left coordinate
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| int top; // top coordinate
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| int right; // right coordinate
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| int bottom; // bottom coordinate
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|
|
| //--- methods
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| CPoint LeftTop(void) const;
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| void LeftTop(const int x,const int y);
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| void LeftTop(const CPoint& point);
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| CPoint RightBottom(void) const;
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| void RightBottom(const int x,const int y);
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| void RightBottom(const CPoint& point);
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| CPoint CenterPoint(void) const;
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| int Width(void) const { return(right-left); }
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| void Width(const int w) { right=left+w; }
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| int Height(void) const { return(bottom-top); }
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| void Height(const int h) { bottom=top+h; }
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| CSize Size(void) const;
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| void Size(const int cx,const int cy);
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| void Size(const CSize& size);
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| void SetBound(const int l,const int t,const int r,const int b);
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| void SetBound(const CRect& rect);
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| void SetBound(const CPoint& point,const CSize& size);
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| void SetBound(const CPoint& left_top,const CPoint& right_bottom);
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| void Move(const int x,const int y);
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| void Move(const CPoint& point);
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| void Shift(const int dx,const int dy);
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| void Shift(const CPoint& point);
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| void Shift(const CSize& size);
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| bool Contains(const int x,const int y) const;
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| bool Contains(const CPoint& point) const;
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| void Normalize(void);
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| };
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| //+------------------------------------------------------------------+
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| //| Get parameters of area |
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| //+------------------------------------------------------------------+
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| CPoint CRect::LeftTop(void) const
|
| {
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| CPoint point;
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| //--- action
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| point.x=left;
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| point.y=top;
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| //--- result
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| return(point);
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| }
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| //+------------------------------------------------------------------+
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| //| Set parameters of area |
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| //+------------------------------------------------------------------+
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| void CRect::LeftTop(const int x,const int y)
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| {
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| left=x;
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| top =y;
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| }
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| //+------------------------------------------------------------------+
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| //| Set parameters of area |
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| //+------------------------------------------------------------------+
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| void CRect::LeftTop(const CPoint& point)
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| {
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| left=point.x;
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| top =point.y;
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| }
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| //+------------------------------------------------------------------+
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| //| Get parameters of area |
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| //+------------------------------------------------------------------+
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| CPoint CRect::RightBottom(void) const
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| {
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| CPoint point;
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| //--- action
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| point.x=right;
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| point.y=bottom;
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| //--- result
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| return(point);
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| }
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| //+------------------------------------------------------------------+
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| //| Set parameters of area |
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| //+------------------------------------------------------------------+
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| void CRect::RightBottom(const int x,const int y)
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| {
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| right =x;
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| bottom=y;
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| }
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| //+------------------------------------------------------------------+
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| //| Set parameters of area |
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| //+------------------------------------------------------------------+
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| void CRect::RightBottom(const CPoint& point)
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| {
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| right =point.x;
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| bottom=point.y;
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| }
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| //+------------------------------------------------------------------+
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| //| Get parameters of area |
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| //+------------------------------------------------------------------+
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| CPoint CRect::CenterPoint(void) const
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| {
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| CPoint point;
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| //--- action
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| point.x=left+Width()/2;
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| point.y=top+Height()/2;
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| //--- result
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| return(point);
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| }
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| //+------------------------------------------------------------------+
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| //| Get parameters of area |
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| //+------------------------------------------------------------------+
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| CSize CRect::Size(void) const
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| {
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| CSize size;
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| //--- action
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| size.cx=right-left;
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| size.cy=bottom-top;
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| //--- result
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| return(size);
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| }
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| //+------------------------------------------------------------------+
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| //| Set parameters of area |
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| //+------------------------------------------------------------------+
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| void CRect::Size(const int cx,const int cy)
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| {
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| right =left+cx;
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| bottom=top+cy;
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| }
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| //+------------------------------------------------------------------+
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| //| Set parameters of area |
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| //+------------------------------------------------------------------+
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| void CRect::Size(const CSize& size)
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| {
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| right =left+size.cx;
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| bottom=top+size.cy;
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| }
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| //+------------------------------------------------------------------+
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| //| Set parameters of area |
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| //+------------------------------------------------------------------+
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| void CRect::SetBound(const int l,const int t,const int r,const int b)
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| {
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| left =l;
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| top =t;
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| right =r;
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| bottom=b;
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| }
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| //+------------------------------------------------------------------+
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| //| Set parameters of area |
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| //+------------------------------------------------------------------+
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| void CRect::SetBound(const CRect& rect)
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| {
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| left =rect.left;
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| top =rect.top;
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| right =rect.right;
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| bottom=rect.bottom;
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| }
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| //+------------------------------------------------------------------+
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| //| Set parameters of area |
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| //+------------------------------------------------------------------+
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| void CRect::SetBound(const CPoint& point,const CSize& size)
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| {
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| LeftTop(point);
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| Size(size);
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| }
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| //+------------------------------------------------------------------+
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| //| Set parameters of area |
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| //+------------------------------------------------------------------+
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| void CRect::SetBound(const CPoint& left_top,const CPoint& right_bottom)
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| {
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| LeftTop(left_top);
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| RightBottom(right_bottom);
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| }
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| //+------------------------------------------------------------------+
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| //| Absolute movement of area |
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| //+------------------------------------------------------------------+
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| void CRect::Move(const int x,const int y)
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| {
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| right +=x-left;
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| bottom+=y-top;
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| left =x;
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| top =y;
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| }
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| //+------------------------------------------------------------------+
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| //| Absolute movement of area |
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| //+------------------------------------------------------------------+
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| void CRect::Move(const CPoint& point)
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| {
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| right +=point.x-left;
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| bottom+=point.y-top;
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| left =point.x;
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| top =point.y;
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| }
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| //+------------------------------------------------------------------+
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| //| Relative movement of area |
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| //+------------------------------------------------------------------+
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| void CRect::Shift(const int dx,const int dy)
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| {
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| left +=dx;
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| top +=dy;
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| right +=dx;
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| bottom+=dy;
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| }
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| //+------------------------------------------------------------------+
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| //| Relative movement of area |
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| //+------------------------------------------------------------------+
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| void CRect::Shift(const CPoint& point)
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| {
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| left +=point.x;
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| top +=point.y;
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| right +=point.x;
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| bottom+=point.y;
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| }
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| //+------------------------------------------------------------------+
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| //| Relative movement of area |
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| //+------------------------------------------------------------------+
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| void CRect::Shift(const CSize& size)
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| {
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| left +=size.cx;
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| top +=size.cy;
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| right +=size.cx;
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| bottom+=size.cy;
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| }
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| //+------------------------------------------------------------------+
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| //| Check if a point is within the area |
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| //+------------------------------------------------------------------+
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| bool CRect::Contains(const int x,const int y) const
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| {
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| //--- check and return the result
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| return(x>=left && x<=right && y>=top && y<=bottom);
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| }
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| //+------------------------------------------------------------------+
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| //| Check if a point is within the area |
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| //+------------------------------------------------------------------+
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| bool CRect::Contains(const CPoint& point) const
|
| {
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| //--- check and return the result
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| return(point.x>=left && point.x<=right && point.y>=top && point.y<=bottom);
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| }
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| //+------------------------------------------------------------------+
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| //| Standardizes the height and width |
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| //+------------------------------------------------------------------+
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| void CRect::Normalize(void)
|
| {
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| if(left>right)
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| {
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| int tmp1=left;
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| left=right;
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| right=tmp1;
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| }
|
| if(top>bottom)
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| {
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| int tmp2=top;
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| top=bottom;
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| bottom=tmp2;
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| }
|
| }
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| //+------------------------------------------------------------------+
|
