reactos/rosapps/taskmgr/GraphCtrl.h

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/*
* ReactOS Task Manager
*
* GraphCtrl.h
*
* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __GRAPH_CTRL_H__
#define __GRAPH_CTRL_H__
#define MAX_PLOTS 4
#define MAX_CTRLS 4
class TGraphCtrl
{
// Attributes
public:
double AppendPoint(double dNewPoint0, double dNewPoint1 = 0.0,
double dNewPoint2 = 0.0, double dNewPoint3 = 0.0);
void SetRange(double dLower, double dUpper, int nDecimalPlaces=1);
void SetXUnits(const char* string);
void SetYUnits(const char* string);
void SetGridColor(COLORREF color);
void SetPlotColor(int plot, COLORREF color);
void SetBackgroundColor(COLORREF color);
void InvalidateCtrl();
void DrawPoint();
void Reset();
// Operations
public:
BOOL Create(DWORD dwStyle, const RECT& rect, HWND hParentWnd, UINT nID=NULL);
BOOL Create(HWND hWnd, HWND hParentWnd, UINT nID=NULL);
void Paint(HWND hWnd, HDC dc);
void Resize(void);
#if 0
static TGraphCtrl* LookupGraphCtrl(HWND hWnd);
static TGraphCtrl* pCtrlArray[MAX_CTRLS];
static int CtrlCount;
#endif
// Implementation
public:
int m_nShiftPixels; // amount to shift with each new point
int m_nYDecimals;
char m_strXUnitsString[50];
char m_strYUnitsString[50];
COLORREF m_crBackColor; // background color
COLORREF m_crGridColor; // grid color
COLORREF m_crPlotColor[MAX_PLOTS]; // data color
double m_dCurrentPosition[MAX_PLOTS]; // current position
double m_dPreviousPosition[MAX_PLOTS]; // previous position
// Construction
public:
TGraphCtrl();
virtual ~TGraphCtrl();
protected:
int m_nHalfShiftPixels;
int m_nPlotShiftPixels;
int m_nClientHeight;
int m_nClientWidth;
int m_nPlotHeight;
int m_nPlotWidth;
double m_dLowerLimit; // lower bounds
double m_dUpperLimit; // upper bounds
double m_dRange;
double m_dVerticalFactor;
HWND m_hWnd;
HWND m_hParentWnd;
HDC m_dcGrid;
HDC m_dcPlot;
HBITMAP m_bitmapOldGrid;
HBITMAP m_bitmapOldPlot;
HBITMAP m_bitmapGrid;
HBITMAP m_bitmapPlot;
HBRUSH m_brushBack;
HPEN m_penPlot[MAX_PLOTS];
RECT m_rectClient;
RECT m_rectPlot;
};
extern LONG OldGraphCtrlWndProc;
LRESULT CALLBACK GraphCtrl_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
#endif /* __GRAPH_CTRL_H__ */
/////////////////////////////////////////////////////////////////////////////