mirror of
https://github.com/reactos/reactos.git
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0b4c8bdd1c
It's necessary to make this clamping there so that returned values are always used consistently in taskmgr, including in places where the values are directly fetched into other functions. This is a free adaptation from Wine commit a9742b3210c4cec67aca3c0012f3b9504a4368cf From: Gerald Pfeifer <gerald@pfeifer.com> taskmgr: Move out-of-domain checking into PerfDataGetProcessorUsage() and PerfDataGetProcessorSystemUsage().
446 lines
11 KiB
C
446 lines
11 KiB
C
/*
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* PROJECT: ReactOS Task Manager
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* LICENSE: GPL-2.0-or-later (https://spdx.org/licenses/GPL-2.0-or-later)
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* PURPOSE: Performance Graph Meters.
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* COPYRIGHT: Copyright 1999-2001 Brian Palmer <brianp@reactos.org>
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*/
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#include "precomp.h"
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int nlastBarsUsed = 0;
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WNDPROC OldGraphWndProc;
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void Graph_DrawCpuUsageGraph(HDC hDC, HWND hWnd);
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void Graph_DrawMemUsageGraph(HDC hDC, HWND hWnd);
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void Graph_DrawMemUsageHistoryGraph(HDC hDC, HWND hWnd);
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INT_PTR CALLBACK
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Graph_WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
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{
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HDC hdc;
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PAINTSTRUCT ps;
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LONG WindowId;
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switch (message)
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{
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case WM_ERASEBKGND:
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return TRUE;
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/*
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* Filter out mouse & keyboard messages
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*/
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/* case WM_APPCOMMAND: */
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case WM_CAPTURECHANGED:
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case WM_LBUTTONDBLCLK:
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case WM_LBUTTONDOWN:
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case WM_LBUTTONUP:
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case WM_MBUTTONDBLCLK:
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case WM_MBUTTONDOWN:
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case WM_MBUTTONUP:
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case WM_MOUSEACTIVATE:
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case WM_MOUSEHOVER:
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case WM_MOUSELEAVE:
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case WM_MOUSEMOVE:
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/* case WM_MOUSEWHEEL: */
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case WM_NCHITTEST:
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case WM_NCLBUTTONDBLCLK:
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case WM_NCLBUTTONDOWN:
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case WM_NCLBUTTONUP:
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case WM_NCMBUTTONDBLCLK:
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case WM_NCMBUTTONDOWN:
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case WM_NCMBUTTONUP:
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/* case WM_NCMOUSEHOVER: */
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/* case WM_NCMOUSELEAVE: */
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case WM_NCMOUSEMOVE:
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case WM_NCRBUTTONDBLCLK:
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case WM_NCRBUTTONDOWN:
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case WM_NCRBUTTONUP:
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/* case WM_NCXBUTTONDBLCLK: */
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/* case WM_NCXBUTTONDOWN: */
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/* case WM_NCXBUTTONUP: */
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case WM_RBUTTONDBLCLK:
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case WM_RBUTTONDOWN:
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case WM_RBUTTONUP:
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/* case WM_XBUTTONDBLCLK: */
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/* case WM_XBUTTONDOWN: */
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/* case WM_XBUTTONUP: */
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case WM_ACTIVATE:
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case WM_CHAR:
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case WM_DEADCHAR:
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case WM_GETHOTKEY:
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case WM_HOTKEY:
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case WM_KEYDOWN:
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case WM_KEYUP:
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case WM_KILLFOCUS:
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case WM_SETFOCUS:
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case WM_SETHOTKEY:
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case WM_SYSCHAR:
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case WM_SYSDEADCHAR:
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case WM_SYSKEYDOWN:
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case WM_SYSKEYUP:
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case WM_NCCALCSIZE:
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return 0;
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case WM_PAINT:
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hdc = BeginPaint(hWnd, &ps);
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WindowId = GetWindowLongPtrW(hWnd, GWLP_ID);
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switch (WindowId)
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{
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case IDC_CPU_USAGE_GRAPH:
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Graph_DrawCpuUsageGraph(hdc, hWnd);
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break;
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case IDC_MEM_USAGE_GRAPH:
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Graph_DrawMemUsageGraph(hdc, hWnd);
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break;
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case IDC_MEM_USAGE_HISTORY_GRAPH:
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Graph_DrawMemUsageHistoryGraph(hdc, hWnd);
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break;
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}
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EndPaint(hWnd, &ps);
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return 0;
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}
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/*
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* We pass on all non-handled messages
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*/
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return CallWindowProcW(OldGraphWndProc, hWnd, message, wParam, lParam);
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}
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void Graph_DrawCpuUsageGraph(HDC hDC, HWND hWnd)
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{
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RECT rcClient;
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RECT rcBarLeft;
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RECT rcBarRight;
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RECT rcText;
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COLORREF crPrevForeground;
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WCHAR Text[260];
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HFONT hOldFont;
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ULONG CpuUsage;
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ULONG CpuKernelUsage;
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int nBars;
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int nBarsUsed;
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/* Bottom bars that are "used", i.e. are bright green, representing used cpu time */
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int nBarsUsedKernel;
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/* Bottom bars that are "used", i.e. are bright green, representing used cpu kernel time */
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int nBarsFree;
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/* Top bars that are "unused", i.e. are dark green, representing free cpu time */
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int i;
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/*
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* Get the client area rectangle
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*/
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GetClientRect(hWnd, &rcClient);
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/*
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* Fill it with blackness
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*/
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FillSolidRect(hDC, &rcClient, RGB(0, 0, 0));
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/*
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* Get the CPU usage
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*/
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CpuUsage = PerfDataGetProcessorUsage();
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wsprintfW(Text, L"%d%%", (int)CpuUsage);
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/*
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* Draw the font text onto the graph
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*/
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rcText = rcClient;
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InflateRect(&rcText, -2, -2);
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crPrevForeground = SetTextColor(hDC, RGB(0, 255, 0));
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hOldFont = SelectObject(hDC, GetStockObject(DEFAULT_GUI_FONT));
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DrawTextW(hDC, Text, -1, &rcText, DT_BOTTOM | DT_CENTER | DT_NOPREFIX | DT_SINGLELINE);
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SelectObject(hDC, hOldFont);
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SetTextColor(hDC, crPrevForeground);
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/*
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* Now we have to draw the graph
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* So first find out how many bars we can fit
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*/
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nBars = ((rcClient.bottom - rcClient.top) - 25) / 3;
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nBarsUsed = (nBars * CpuUsage) / 100;
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if ((CpuUsage) && (nBarsUsed == 0))
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{
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nBarsUsed = 1;
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}
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nBarsFree = nBars - (nlastBarsUsed>nBarsUsed ? nlastBarsUsed : nBarsUsed);
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if (TaskManagerSettings.ShowKernelTimes)
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{
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CpuKernelUsage = PerfDataGetProcessorSystemUsage();
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nBarsUsedKernel = (nBars * CpuKernelUsage) / 100;
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}
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else
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{
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nBarsUsedKernel = 0;
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}
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/*
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* Now draw the bar graph
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*/
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rcBarLeft.left = ((rcClient.right - rcClient.left) - 33) / 2;
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rcBarLeft.right = rcBarLeft.left + 16;
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rcBarRight.left = rcBarLeft.left + 17;
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rcBarRight.right = rcBarLeft.right + 17;
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rcBarLeft.top = rcBarRight.top = 5;
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rcBarLeft.bottom = rcBarRight.bottom = 7;
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if (nBarsUsed < 0) nBarsUsed = 0;
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if (nBarsUsed > nBars) nBarsUsed = nBars;
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if (nBarsFree < 0) nBarsFree = 0;
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if (nBarsFree > nBars) nBarsFree = nBars;
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if (nBarsUsedKernel < 0) nBarsUsedKernel = 0;
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if (nBarsUsedKernel > nBars) nBarsUsedKernel = nBars;
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/*
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* Draw the "free" bars
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*/
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for (i=0; i<nBarsFree; i++)
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{
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FillSolidRect(hDC, &rcBarLeft, DARK_GREEN);
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FillSolidRect(hDC, &rcBarRight, DARK_GREEN);
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rcBarLeft.top += 3;
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rcBarLeft.bottom += 3;
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rcBarRight.top += 3;
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rcBarRight.bottom += 3;
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}
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/*
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* Draw the last "used" bars
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*/
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if ((nlastBarsUsed - nBarsUsed) > 0) {
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for (i=0; i< (nlastBarsUsed - nBarsUsed); i++)
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{
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if (nlastBarsUsed > 5000) nlastBarsUsed = 5000;
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FillSolidRect(hDC, &rcBarLeft, MEDIUM_GREEN);
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FillSolidRect(hDC, &rcBarRight, MEDIUM_GREEN);
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rcBarLeft.top += 3;
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rcBarLeft.bottom += 3;
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rcBarRight.top += 3;
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rcBarRight.bottom += 3;
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}
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}
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nlastBarsUsed = nBarsUsed;
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/*
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* Draw the "used" bars
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*/
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for (i=0; i<nBarsUsed; i++)
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{
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if (nBarsUsed > 5000) nBarsUsed = 5000;
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FillSolidRect(hDC, &rcBarLeft, BRIGHT_GREEN);
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FillSolidRect(hDC, &rcBarRight, BRIGHT_GREEN);
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rcBarLeft.top += 3;
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rcBarLeft.bottom += 3;
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rcBarRight.top += 3;
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rcBarRight.bottom += 3;
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}
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/*
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* Draw the "used" kernel bars
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*/
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rcBarLeft.top -=3;
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rcBarLeft.bottom -=3;
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rcBarRight.top -=3;
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rcBarRight.bottom -=3;
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for (i=0; i<nBarsUsedKernel; i++)
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{
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FillSolidRect(hDC, &rcBarLeft, RED);
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FillSolidRect(hDC, &rcBarRight, RED);
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rcBarLeft.top -=3;
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rcBarLeft.bottom -=3;
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rcBarRight.top -=3;
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rcBarRight.bottom -=3;
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}
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SelectObject(hDC, hOldFont);
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}
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void Graph_DrawMemUsageGraph(HDC hDC, HWND hWnd)
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{
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RECT rcClient;
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RECT rcBarLeft;
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RECT rcBarRight;
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RECT rcText;
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COLORREF crPrevForeground;
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WCHAR Text[260];
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HFONT hOldFont;
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ULONGLONG CommitChargeTotal;
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ULONGLONG CommitChargeLimit;
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int nBars;
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int nBarsUsed = 0;
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/* Bottom bars that are "used", i.e. are bright green, representing used memory */
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int nBarsFree;
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/* Top bars that are "unused", i.e. are dark green, representing free memory */
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int i;
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/*
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* Get the client area rectangle
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*/
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GetClientRect(hWnd, &rcClient);
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/*
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* Fill it with blackness
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*/
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FillSolidRect(hDC, &rcClient, RGB(0, 0, 0));
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/*
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* Get the memory usage
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*/
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CommitChargeTotal = (ULONGLONG)PerfDataGetCommitChargeTotalK();
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CommitChargeLimit = (ULONGLONG)PerfDataGetCommitChargeLimitK();
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if (CommitChargeTotal > 1024)
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wsprintfW(Text, L"%d MB", (int)(CommitChargeTotal / 1024));
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else
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wsprintfW(Text, L"%d K", (int)CommitChargeTotal);
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/*
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* Draw the font text onto the graph
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*/
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rcText = rcClient;
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InflateRect(&rcText, -2, -2);
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crPrevForeground = SetTextColor(hDC, RGB(0, 255, 0));
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hOldFont = SelectObject(hDC, GetStockObject(DEFAULT_GUI_FONT));
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DrawTextW(hDC, Text, -1, &rcText, DT_BOTTOM | DT_CENTER | DT_NOPREFIX | DT_SINGLELINE);
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SelectObject(hDC, hOldFont);
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SetTextColor(hDC, crPrevForeground);
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/*
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* Now we have to draw the graph
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* So first find out how many bars we can fit
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*/
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nBars = ((rcClient.bottom - rcClient.top) - 25) / 3;
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if (CommitChargeLimit)
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nBarsUsed = (nBars * (int)((CommitChargeTotal * 100) / CommitChargeLimit)) / 100;
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nBarsFree = nBars - nBarsUsed;
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if (nBarsUsed < 0) nBarsUsed = 0;
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if (nBarsUsed > nBars) nBarsUsed = nBars;
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if (nBarsFree < 0) nBarsFree = 0;
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if (nBarsFree > nBars) nBarsFree = nBars;
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/*
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* Now draw the bar graph
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*/
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rcBarLeft.left = ((rcClient.right - rcClient.left) - 33) / 2;
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rcBarLeft.right = rcBarLeft.left + 16;
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rcBarRight.left = rcBarLeft.left + 17;
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rcBarRight.right = rcBarLeft.right + 17;
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rcBarLeft.top = rcBarRight.top = 5;
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rcBarLeft.bottom = rcBarRight.bottom = 7;
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/*
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* Draw the "free" bars
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*/
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for (i=0; i<nBarsFree; i++)
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{
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FillSolidRect(hDC, &rcBarLeft, DARK_GREEN);
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FillSolidRect(hDC, &rcBarRight, DARK_GREEN);
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rcBarLeft.top += 3;
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rcBarLeft.bottom += 3;
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rcBarRight.top += 3;
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rcBarRight.bottom += 3;
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}
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/*
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* Draw the "used" bars
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*/
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for (i=0; i<nBarsUsed; i++)
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{
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FillSolidRect(hDC, &rcBarLeft, BRIGHT_GREEN);
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FillSolidRect(hDC, &rcBarRight, BRIGHT_GREEN);
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rcBarLeft.top += 3;
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rcBarLeft.bottom += 3;
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rcBarRight.top += 3;
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rcBarRight.bottom += 3;
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}
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SelectObject(hDC, hOldFont);
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}
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void Graph_DrawMemUsageHistoryGraph(HDC hDC, HWND hWnd)
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{
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RECT rcClient;
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//ULONGLONG CommitChargeLimit;
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int i;
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static int offset = 0;
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if (offset++ >= 10)
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offset = 0;
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/*
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* Get the client area rectangle
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*/
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GetClientRect(hWnd, &rcClient);
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/*
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* Fill it with blackness
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*/
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FillSolidRect(hDC, &rcClient, RGB(0, 0, 0));
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/*
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* Get the memory usage
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*/
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//CommitChargeLimit = (ULONGLONG)PerfDataGetCommitChargeLimitK();
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/*
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* Draw the graph background
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*
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* Draw the horizontal bars
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*/
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for (i=0; i<rcClient.bottom; i++)
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{
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if ((i % 11) == 0)
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{
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/* FillSolidRect2(hDC, 0, i, rcClient.right, 1, DARK_GREEN); */
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}
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}
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/*
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* Draw the vertical bars
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*/
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for (i=11; i<rcClient.right + offset; i++)
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{
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if ((i % 11) == 0)
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{
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/* FillSolidRect2(hDC, i - offset, 0, 1, rcClient.bottom, DARK_GREEN); */
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}
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}
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/*
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* Draw the memory usage
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*/
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for (i=rcClient.right; i>=0; i--)
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{
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}
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}
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