102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
/*
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*
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* ChartBalloonLabel.h
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*
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* Written by Cédric 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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#ifndef _CHARTBALLOONLABEL_H_
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#define _CHARTBALLOONLABEL_H_
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#include "ChartLabel.h"
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#include "ChartFont.h"
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//! Specialization of the CChartLabel to display a balloon label.
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/**
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A balloon label is a label with a rounded rectangle area in which the
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text is displayed and which is connected with a line to the point to
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which it is attached.
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**/
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template <class PointType>
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class CChartBalloonLabel : public CChartLabel<PointType>
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{
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friend CChartSerieBase<PointType>;
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public:
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//! Sets the background color of the text area.
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void SetBackgroundColor(COLORREF colBackground);
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//! Retrieves the background color of the text area.
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COLORREF GetBackgroundColor() const { return m_colBackground; }
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//! Sets the color of the line connecting the point to the text area.
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void SetLineColor(COLORREF colArrow);
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//! Retrieves the color of the line connecting the point to the text area.
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COLORREF GetLineColor() const { return m_colLine; }
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//! Sets the color of border's text area.
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void SetBorderColor(COLORREF colBorder);
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//! Retrieves the color of border's text area.
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COLORREF GetBorderColor() const { return m_colBorder; }
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//! Specifies if the text area is rounded or not.
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void SetRoundedRect(bool bRounded);
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//! Returns true if the text area is rounded.
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bool GetRoundedRect() const { return m_bRoundedRect; }
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//! Sets the font of the text.
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/**
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@param nPointSize
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The font point size.
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@param strFaceName
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The font face name ("Times New Roman", "Arial", ...)
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**/
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void SetFont(int nPointSize, const TChartString& strFaceName);
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//! Sets the font of the text.
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/**
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This function allows to set extended font style by passing
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a CChartFont object.
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@param newFont
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The new font.
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**/
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void SetFont(const CChartFont& newFont);
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//! Constructor
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CChartBalloonLabel(CChartCtrl* pParentCtrl, CChartSerieBase<PointType>* pParentSeries);
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//! Destructor
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~CChartBalloonLabel();
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protected:
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//! Draw the label.
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void Draw(CDC* pDC, unsigned uPointIndex);
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private:
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//! Color of the liune connecting the point to the text area.
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COLORREF m_colLine;
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//! Color of the text area's background.
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COLORREF m_colBackground;
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//! Color of border's text area.
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COLORREF m_colBorder;
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//! The font used for the text label.
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CChartFont m_Font;
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//! Specifies if the rectangle is rounded or not.
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bool m_bRoundedRect;
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};
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#include "ChartBalloonLabel.inl"
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#endif // _CHARTBALLOONLABEL_H_
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