programs/taskmgr/graphctl.h

   1 /*
   2  *  ReactOS Task Manager
   3  *
   4  *  graphctl.h
   5  *
   6  *  Copyright (C) 2002  Robert Dickenson <robd@reactos.org>
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #ifndef __GRAPH_CTRL_H__
  24 #define __GRAPH_CTRL_H__
  25
  26 #define MAX_PLOTS 4
  27 #define MAX_CTRLS 4
  28
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 typedef struct
  34 {
  35   int m_nShiftPixels;          /* amount to shift with each new point */
  36   int m_nYDecimals;
  37
  38   char m_strXUnitsString[50];
  39   char m_strYUnitsString[50];
  40
  41   COLORREF m_crBackColor;                 /* background color */
  42   COLORREF m_crGridColor;                 /* grid color */
  43   COLORREF m_crPlotColor[MAX_PLOTS];      /* data color   */
  44
  45   double m_dCurrentPosition[MAX_PLOTS];   /* current position */
  46   double m_dPreviousPosition[MAX_PLOTS];  /* previous position */
  47
  48 /* those were protected fields */
  49   int m_nHalfShiftPixels;
  50   int m_nPlotShiftPixels;
  51   int m_nClientHeight;
  52   int m_nClientWidth;
  53   int m_nPlotHeight;
  54   int m_nPlotWidth;
  55
  56   double m_dLowerLimit;        /* lower bounds */
  57   double m_dUpperLimit;        /* upper bounds */
  58   double m_dRange;
  59   double m_dVerticalFactor;
  60
  61   HWND     m_hWnd;
  62   HWND     m_hParentWnd;
  63   HDC      m_dcGrid;
  64   HDC      m_dcPlot;
  65   HBITMAP  m_bitmapOldGrid;
  66   HBITMAP  m_bitmapOldPlot;
  67   HBITMAP  m_bitmapGrid;
  68   HBITMAP  m_bitmapPlot;
  69   HBRUSH   m_brushBack;
  70   HPEN     m_penPlot[MAX_PLOTS];
  71   RECT     m_rectClient;
  72   RECT     m_rectPlot;
  73 } TGraphCtrl;
  74
  75 extern WNDPROC OldGraphCtrlWndProc;
  76 double  GraphCtrl_AppendPoint(TGraphCtrl* this,
  77                               double dNewPoint0, double dNewPoint1,
  78                               double dNewPoint2, double dNewPoint3);
  79 void    GraphCtrl_Create(TGraphCtrl* this, HWND hWnd, HWND hParentWnd, UINT nID);
  80 void    GraphCtrl_Reset(TGraphCtrl* this);
  81 void    GraphCtrl_SetBackgroundColor(TGraphCtrl* this, COLORREF
  82 color);
  83 void    GraphCtrl_SetGridColor(TGraphCtrl* this, COLORREF color);
  84 void    GraphCtrl_SetPlotColor(TGraphCtrl* this, int plot, COLORREF
  85 color);
  86 void    GraphCtrl_SetRange(TGraphCtrl* this, double dLower, double
  87 dUpper, int nDecimalPlaces);
  88
  89 INT_PTR CALLBACK GraphCtrl_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
  90
  91 #ifdef __cplusplus
  92 }
  93 #endif
  94
  95 #endif /* __GRAPH_CTRL_H__ */