chart.h

一个非常有用的开源代码

// ********************************************************
// This is demo code. You may derive from, use, modify, and
// distribute it without limitation for any purpose.
// Obviously you don't get a warranty or an assurance of
// fitness for a particular purpose with this code. Your
// welcome to remove this header and claim original
// authorship. I really don't care.
// ********************************************************

#ifndef __CHART_H__
#define __CHART_H__

#include "Gui.h"

class ChartController;
class ChartDialog;
class GArffData;
class GArffRelation;


class ChartView : public ViewBase
{
friend class ChartController;
protected:
	ChartDialog* m_pDialog;
	GImage* m_pImage;

public:
	ChartView(ChartController* pController);
	virtual ~ChartView();

	virtual void OnChar(char c);
	virtual void OnMouseDown(int x, int y);
	virtual void OnMouseUp(int x, int y);
	virtual bool OnMousePos(int x, int y);
	void SetImage(GImage* pImage) { m_pImage = pImage; }

protected:
	virtual void Draw(SDL_Surface *pScreen);
	void ShowChartButtons();
};









class ChartController : public ControllerBase
{
protected:
	GArffData* m_pData;
	GArffRelation* m_pRelation;

public:
	ChartController();
	virtual ~ChartController();

	void RunModal();
	void OnSelectFile(const char* szFilename);

	void MakeLineGraphChart(bool bLogarithmic);
	void ComputeBigO();
};

#endif // __CHART_H__