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/*
* ReactOS Task Manager
*
* graphctl.h
*
* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __GRAPH_CTRL_H__
#define __GRAPH_CTRL_H__
#define MAX_PLOTS 4
#define MAX_CTRLS 4
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
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 */
/* those were protected fields */
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;
} TGraphCtrl;
extern WNDPROC OldGraphCtrlWndProc;
double GraphCtrl_AppendPoint(TGraphCtrl* this,
double dNewPoint0, double dNewPoint1,
double dNewPoint2, double dNewPoint3);
void GraphCtrl_Create(TGraphCtrl* this, HWND hWnd, HWND hParentWnd, UINT nID);
void GraphCtrl_Reset(TGraphCtrl* this);
void GraphCtrl_SetBackgroundColor(TGraphCtrl* this, COLORREF
color);
void GraphCtrl_SetGridColor(TGraphCtrl* this, COLORREF color);
void GraphCtrl_SetPlotColor(TGraphCtrl* this, int plot, COLORREF
color);
void GraphCtrl_SetRange(TGraphCtrl* this, double dLower, double
dUpper, int nDecimalPlaces);
INT_PTR CALLBACK GraphCtrl_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
#ifdef __cplusplus
}
#endif
#endif /* __GRAPH_CTRL_H__ */
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