118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
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/*
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*
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* ChartPointsSerie.h
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*
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* Written by C<EFBFBD>dric Moonen (cedric_moonen@hotmail.com)
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*
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*
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*
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* This code may be used for any non-commercial and commercial purposes in a compiled form.
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* The code may be redistributed as long as it remains unmodified and providing that the
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* author name and this disclaimer remain intact. The sources can be modified WITH the author
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* consent only.
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*
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* This code is provided without any garanties. I cannot be held responsible for the damage or
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* the loss of time it causes. Use it at your own risks
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*
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* An e-mail to notify me that you are using this code is appreciated also.
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*
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*
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*/
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#if !defined(AFX_CHARTPOINTSSERIE_H__F66C180F_F04C_4E2D_878C_08BDBCE91863__INCLUDED_)
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#define AFX_CHARTPOINTSSERIE_H__F66C180F_F04C_4E2D_878C_08BDBCE91863__INCLUDED_
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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#include "ChartXYSerie.h"
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//! Specialization of a CChartSerie to display a points series.
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/**
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The data points are simply displayed as independant points.
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**/
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class CChartPointsSerie : public CChartXYSerie
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{
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public:
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//! The different point shapes
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enum PointType
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{
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ptEllipse=0,
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ptRectangle=1,
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ptTriangle=2
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};
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//! Sets the width and height of each points
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void SetPointSize(int XSize, int YSize);
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//! Retrieves the width and height of each points
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void GetPointSize(int& XSize, int& YSize) const
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{
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XSize = m_iXPointSize;
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YSize = m_iYPointSize;
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}
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//! Sets the points shape
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void SetPointType(PointType Type);
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//! Returns the points shape
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PointType GetPointType() const { return m_iPointType; }
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//! Sets the border color of the points
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void SetBorderColor(COLORREF Color);
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//! Returns the border color of the points
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COLORREF GetBorderColor() { return m_colBorder; }
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//! Constructor
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CChartPointsSerie(CChartCtrl* pParent);
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//! Destructor
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virtual ~CChartPointsSerie();
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//! Check whether a screen point is on the series.
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/**
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@param screenPoint
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The screen point to test
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@param uIndex
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If the point is close to a specific point of the series, its index is stored here.
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@return true if the point is on the series
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**/
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bool IsPointOnSerie(const CPoint& screenPoint, unsigned& uIndex) const;
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private:
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//! Draws the legend icon for the series.
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/**
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This pure virtual function should be overriden by child classes.
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@param pDC
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The device context used to draw
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@param rectBitmap
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The rectangle in which to draw the legend icon
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**/
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void DrawLegend(CDC* pDC, const CRect& rectBitmap) const;
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//! Draws the most recent points of the series.
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/**
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This pure virtual function should be overriden by child classes.
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This function should only draw the points that were not previously
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drawn.
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@param pDC
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The device context used to draw
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**/
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void Draw(CDC* pDC);
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//! Redraws the full series.
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/**
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This pure virtual function should be overriden by child classes.
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@param pDC
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The device context used to draw
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**/
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void DrawAll(CDC *pDC);
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//! Width of the points
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int m_iXPointSize;
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//! Height of the points
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int m_iYPointSize;
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//! Shape of the points
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PointType m_iPointType;
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//! The border color
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COLORREF m_colBorder;
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};
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#endif // !defined(AFX_CHARTPOINTSSERIE_H__F66C180F_F04C_4E2D_878C_08BDBCE91863__INCLUDED_)
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