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perfpage.cpp
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//+-------------------------------------------------------------------------
//
// TaskMan - NT TaskManager
// Copyright (C) Microsoft
//
// File: perfpage.cpp
//
// History: Nov-10-95 DavePl Created
//
//--------------------------------------------------------------------------
#include "precomp.h"
// Size macros for the bitmap we use to draw LED digits
#define DIGITS_STRIP_WIDTH 104
#define DIGITS_STRIP_HEIGHT 11
#define DIGIT_WIDTH 8
#define DIGIT_HEIGHT (DIGITS_STRIP_HEIGHT)
#define PERCENT_SIGN_INDEX 10 // Index into bitmap strip where % sign lives
#define K_INDEX 11 // Index into bitmap strip where "K" lives
#define M_INDEX 12 // Index into bitmap strip where "M" lives
#define BLANK_INDEX 13 // Index into bitmap where blank digit lives
#define GRAPH_BRUSH BLACK_BRUSH
#define GRAPH_LINE_COLOR RGB(0, 128, 64)
#define GRAPH_TEXT_COLOR RGB(0, 255, 0)
#define STRIP_HEIGHT 75
#define STRIP_WIDTH 33
__int64 PreviousCPUIdleTime[MAXIMUM_PROCESSORS] = {0 ,0};
__int64 PreviousCPUTotalTime[MAXIMUM_PROCESSORS] = {0 ,0};
__int64 PreviousCPUKernelTime[MAXIMUM_PROCESSORS] = {0 ,0};
LPBYTE g_pCPUHistory[MAXIMUM_PROCESSORS] = { NULL };
LPBYTE g_pKernelHistory[MAXIMUM_PROCESSORS] = { NULL };
LPBYTE g_pPhysMEMHistory = NULL;
LPBYTE g_pMEMHistory = NULL;
BYTE g_CPUUsage = 0;
BYTE g_KernelUsage = 0;
__int64 g_PhysMEMUsage = 0;
__int64 g_PhysMEMMax = 0;
__int64 g_MEMUsage = 0;
__int64 g_MEMMax = 0;
DWORD g_PageSize;
/*++ CPerfPage::SizePerfPage
Routine Description:
Sizes its children based on the size of the
tab control on which it appears.
Arguments:
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
static const INT aPerfControls[] =
{
IDC_STATIC1,
IDC_STATIC2,
IDC_STATIC3,
IDC_STATIC4,
IDC_STATIC5,
IDC_STATIC6,
IDC_STATIC8,
IDC_STATIC9,
IDC_STATIC10,
IDC_STATIC11,
IDC_STATIC12,
IDC_STATIC13,
IDC_STATIC14,
IDC_STATIC15,
IDC_STATIC16,
IDC_STATIC17,
IDC_TOTAL_PHYSICAL,
IDC_AVAIL_PHYSICAL,
IDC_FILE_CACHE,
IDC_COMMIT_TOTAL,
IDC_COMMIT_LIMIT,
IDC_COMMIT_PEAK,
IDC_KERNEL_TOTAL,
IDC_KERNEL_PAGED,
IDC_KERNEL_NONPAGED,
IDC_TOTAL_HANDLES,
IDC_TOTAL_THREADS,
IDC_TOTAL_PROCESSES,
};
// Amount of spacing down from the top of a group box to the
// control it contains
void CPerfPage::SizePerfPage()
{
// Get the coords of the tab control
RECT rcParent;
if (g_Options.m_fNoTitle)
{
GetClientRect(g_hMainWnd, &rcParent);
}
else
{
GetClientRect(m_hwndTabs, &rcParent);
MapWindowPoints(m_hwndTabs, m_hPage, (LPPOINT) &rcParent, 2);
TabCtrl_AdjustRect(m_hwndTabs, FALSE, &rcParent);
}
// We have N panes, where N is 1 or g_cProcessors depending on what mode the
// cpu meter is currently in
INT cPanes = (CM_PANES == g_Options.m_cmHistMode) ? g_cProcessors : 1;
HDWP hdwp = BeginDeferWindowPos( 7 + ARRAYSIZE(aPerfControls) + cPanes );
if (!hdwp)
return;
// Calc the deltas in the x and y positions that we need to
// move each of the child controls
RECT rcMaster;
HWND hwndMaster = GetDlgItem(m_hPage, IDC_STATIC5);
GetWindowRect(hwndMaster, &rcMaster);
MapWindowPoints(HWND_DESKTOP, m_hPage, (LPPOINT) &rcMaster, 2);
INT dy = ((rcParent.bottom - g_DefSpacing * 2) - rcMaster.bottom);
// Move each of the child controls by the above delta
for (int i = 0; i < ARRAYSIZE(aPerfControls); i++)
{
HWND hwndCtrl = GetDlgItem(m_hPage, aPerfControls[i]);
RECT rcCtrl;
GetWindowRect(hwndCtrl, &rcCtrl);
MapWindowPoints(HWND_DESKTOP, m_hPage, (LPPOINT) &rcCtrl, 2);
DeferWindowPos(hdwp, hwndCtrl, NULL,
rcCtrl.left,
rcCtrl.top + dy,
0, 0,
SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE);
}
HWND hwndTopFrame = GetDlgItem(m_hPage, IDC_STATIC13);
RECT rcTopFrame;
GetWindowRect(hwndTopFrame, &rcTopFrame);
MapWindowPoints(HWND_DESKTOP, m_hPage, (LPPOINT) &rcTopFrame, 2);
INT yTop = rcTopFrame.top + dy;
INT yHist;
if (g_Options.m_fNoTitle)
{
yHist = rcParent.bottom - rcParent.top - g_DefSpacing * 2;
}
else
{
yHist = (yTop - g_DefSpacing * 3) / 2;
}
// Size the CPU history frame
RECT rcFrame;
HWND hwndFrame = GetDlgItem(m_hPage, IDC_CPUFRAME);
GetWindowRect(hwndFrame, &rcFrame);
MapWindowPoints(NULL, m_hPage, (LPPOINT) &rcFrame, 2);
DeferWindowPos(hdwp, hwndFrame, NULL, 0, 0,
(rcParent.right - rcFrame.left) - g_DefSpacing * 2,
yHist,
SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
// Size the CPU bar graph frame
RECT rcCPUFrame;
HWND hwndCPUFrame = GetDlgItem(m_hPage, IDC_STATIC);
GetWindowRect(hwndCPUFrame, &rcCPUFrame);
MapWindowPoints(NULL, m_hPage, (LPPOINT) &rcCPUFrame, 2);
DeferWindowPos(hdwp, hwndCPUFrame, NULL, 0, 0,
(rcCPUFrame.right - rcCPUFrame.left),
yHist,
SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE);
RECT rcCPUBAR;
HWND hwndCPUBAR = GetDlgItem(m_hPage, IDC_CPUMETER);
GetWindowRect(hwndCPUBAR, &rcCPUBAR);
MapWindowPoints(NULL, m_hPage, (LPPOINT) &rcCPUBAR, 2);
DeferWindowPos(hdwp, hwndCPUBAR, NULL, rcCPUFrame.left + g_InnerSpacing * 2, rcCPUFrame.top + g_TopSpacing,
(rcCPUBAR.right - rcCPUBAR.left),
yHist - g_TopSpacing - g_InnerSpacing * 2 ,
SWP_NOZORDER | SWP_NOACTIVATE);
// Size the mem bar graph frame
RECT rcMEMFrame;
HWND hwndMEMFrame = GetDlgItem(m_hPage, IDC_MEMBARFRAME);
GetWindowRect(hwndMEMFrame, &rcMEMFrame);
MapWindowPoints(NULL, m_hPage, (LPPOINT) &rcMEMFrame, 2);
DeferWindowPos(hdwp, hwndMEMFrame, NULL, rcMEMFrame.left, yHist + g_DefSpacing * 2,
(rcMEMFrame.right - rcMEMFrame.left),
yHist,
SWP_NOZORDER | SWP_NOACTIVATE);
RECT rcMEMBAR;
HWND hwndMEMBAR = GetDlgItem(m_hPage, IDC_MEMMETER);
GetWindowRect(hwndMEMBAR, &rcMEMBAR);
MapWindowPoints(NULL, m_hPage, (LPPOINT) &rcMEMBAR, 2);
DeferWindowPos(hdwp, hwndMEMBAR, NULL, rcMEMBAR.left, yHist + g_DefSpacing * 2 + g_TopSpacing,
(rcMEMBAR.right - rcMEMBAR.left),
yHist - g_InnerSpacing * 2 - g_TopSpacing,
SWP_NOZORDER | SWP_NOACTIVATE);
// Size the Memory history frame
RECT rcMemFrame;
HWND hwndMemFrame = GetDlgItem(m_hPage, IDC_MEMFRAME);
GetWindowRect(hwndMemFrame, &rcMemFrame);
MapWindowPoints(NULL, m_hPage, (LPPOINT) &rcMemFrame, 2);
DeferWindowPos(hdwp, hwndMemFrame, NULL, rcMemFrame.left, yHist + g_DefSpacing * 2,
(rcParent.right - rcMemFrame.left) - g_DefSpacing * 2,
yHist,
SWP_NOZORDER | SWP_NOACTIVATE);
// Total amount of room available for all of the panes
INT Width = (rcParent.right - rcParent.left) - (rcFrame.left - rcParent.left) - g_DefSpacing * 2
- g_InnerSpacing * 3;
// Use this width to size the memory graph
HWND hwndButton = GetDlgItem(m_hPage, IDC_MEMGRAPH);
RECT rcButton;
GetWindowRect(hwndButton, &rcButton);
MapWindowPoints(NULL, m_hPage, (LPPOINT) &rcButton, 2);
DeferWindowPos(hdwp, hwndButton, NULL, rcFrame.left + g_InnerSpacing * 2,
yHist + g_DefSpacing * 2 + g_TopSpacing,
Width - g_InnerSpacing,
yHist - g_InnerSpacing * 2 - g_TopSpacing,
SWP_NOZORDER | SWP_NOACTIVATE);
// Total amount of room available for each CPU pane
Width -= ( cPanes < 16 ? cPanes : 16 ) * g_InnerSpacing;
Width /= ( cPanes < 16 ? cPanes : 16 );
Width = Width >= 0 ? Width : 0;
INT Height = ( yHist - g_InnerSpacing * 2 - g_TopSpacing ) / ( ( cPanes % 16 != 0 ? 1 : 0 ) + ( cPanes / 16 ) );
for (int i = 0; i < cPanes; i++)
{
HWND hwnd = GetDlgItem(m_hPage, IDC_CPUGRAPH + i);
if ( NULL != hwnd )
{
INT left = rcFrame.left + g_InnerSpacing * ( ( i % 16 ) + 2) + Width * ( i % 16 );
INT top = rcFrame.top + g_TopSpacing + Height * ( i / 16 );
DeferWindowPos( hdwp, hwnd, NULL, left, top, Width, Height, 0 );
}
}
// Create new bitmaps to be used in the history windows
EndDeferWindowPos(hdwp);
GetClientRect(hwndButton, &rcButton);
FreeMemoryBitmaps(); // Free any old ones
CreateMemoryBitmaps(rcButton.right - rcButton.left, rcButton.bottom - rcButton.top);
}
/*++ CPerfPage::CreatePens
Routine Description:
Creates 8 different colors pens, saves them in
the pen array
Arguments:
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
static const COLORREF aColors[] =
{
RGB(000, 255, 000),
RGB(255, 000, 000),
RGB(255, 000, 255),
RGB(000, 000, 255),
RGB(000, 255, 255),
RGB(255, 128, 000),
RGB(255, 000, 255),
RGB(000, 128, 255),
// End of CPU pens
#define MEM_PEN 8
RGB(255, 255, 0),
};
//
//
//
void CPerfPage::CreatePens()
{
for (int i = 0; i < ARRAYSIZE(aColors); i++)
{
// Create then pen. If a failure occurs, just substitute
// the white pen
m_hPens[i] = CreatePen(PS_SOLID, 1, aColors[i]);
if (NULL == m_hPens[i])
{
m_hPens[i] = (HPEN) GetStockObject(WHITE_PEN);
}
}
}
//
//
//
void CPerfPage::ReleasePens()
{
for (int i = 0; i < NUM_PENS; i++)
{
if (m_hPens[i])
{
DeleteObject(m_hPens[i]);
}
}
}
/*++ CPerfPage::DrawGraphPaper
Routine Description:
Draws a graph-paper-like grid into a memory bitmap
Arguments:
hdcGraph - HDC to draw into
prcGraph - RECT describing area to draw
Width - Amount, on right side, to actually draw
Revision History:
Jan-17-95 Davepl Created
--*/
static int g_Scrollamount = 0;
void DrawGraphPaper(HDC hdcGraph, RECT * prcGraph, int Width)
{
#define GRAPHPAPERSIZE 12
int Leftside = prcGraph->right - Width;
// Only one of the many graphs needs to ask us to scroll
HPEN hPen = CreatePen(PS_SOLID, 1, GRAPH_LINE_COLOR);
HGDIOBJ hOld = SelectObject(hdcGraph, hPen);
for (int i = GRAPHPAPERSIZE - 1; i < prcGraph->bottom - prcGraph->top; i+= GRAPHPAPERSIZE)
{
MoveToEx(hdcGraph,
Leftside,
i + prcGraph->top,
(LPPOINT) NULL);
LineTo(hdcGraph,
prcGraph->right,
i + prcGraph->top);
}
for (int i = prcGraph->right - g_Scrollamount; i > Leftside; i -= GRAPHPAPERSIZE)
{
MoveToEx(hdcGraph,
i,
prcGraph->top,
(LPPOINT) NULL);
LineTo(hdcGraph,
i,
prcGraph->bottom);
}
if (hOld)
{
SelectObject(hdcGraph, hOld);
}
DeleteObject(hPen);
}
/*++ CPerfPage::DrawCPUGraph
Routine Description:
Draws the CPU graph (which is an ownerdraw control)
Arguments:
lpdi - LPDRAWITEMSTRUCT describing area we need to paint
iPane - Pane number to be drawn (ie: which CPU)
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
void CPerfPage::DrawCPUGraph(LPDRAWITEMSTRUCT lpdi, UINT iPane)
{
#define THISCPU 0
if (NULL == m_hdcGraph)
{
return;
}
FillRect(m_hdcGraph, &m_rcGraph, (HBRUSH) GetStockObject(GRAPH_BRUSH));
int Width = lpdi->rcItem.right - lpdi->rcItem.left;
int Scale = (Width - 1) / HIST_SIZE;
if (0 == Scale)
{
Scale = 2;
}
//
// Draw the CPU history graph
//
DrawGraphPaper(m_hdcGraph, &m_rcGraph, Width);
INT cPanes = (CM_PANES == g_Options.m_cmHistMode) ? g_cProcessors : 1;
int GraphHeight = ( m_rcGraph.bottom - m_rcGraph.top - 1 ) / ( ( cPanes % 16 != 0 ? 1 : 0 ) + ( cPanes / 16 ) );;
if (g_Options.m_cmHistMode == CM_PANES)
{
//
// Draw the kernel times
//
if (g_Options.m_fKernelTimes)
{
HGDIOBJ hOld = SelectObject(m_hdcGraph, m_hPens[1]);
MoveToEx(m_hdcGraph,
m_rcGraph.right,
GraphHeight - (g_pKernelHistory[iPane][0] * GraphHeight) / 100,
(LPPOINT) NULL);
for (int i = 0; i < HIST_SIZE && i * Scale < Width; i++)
{
LineTo(m_hdcGraph,
m_rcGraph.right - Scale * i,
GraphHeight - (g_pKernelHistory[iPane][i] * GraphHeight) / 100);
}
if (hOld)
{
SelectObject(m_hdcGraph, hOld);
}
}
//
// Draw a particular CPU in its pane
//
HGDIOBJ hOld = SelectObject(m_hdcGraph, m_hPens[0]);
MoveToEx(m_hdcGraph,
m_rcGraph.right,
GraphHeight - (g_pCPUHistory[iPane][0] * GraphHeight) / 100,
(LPPOINT) NULL);
for (int i = 0; i < HIST_SIZE && i * Scale < Width; i++)
{
LineTo(m_hdcGraph,
m_rcGraph.right - Scale * i,
GraphHeight - (g_pCPUHistory[iPane][i] * GraphHeight) / 100);
}
if (hOld)
{
SelectObject(m_hdcGraph, hOld);
}
}
else
{
ASSERT(iPane == 0);
//
// Draw the kernel times
//
if (g_Options.m_fKernelTimes)
{
HGDIOBJ hOld = SelectObject(m_hdcGraph, m_hPens[1]);
DWORD dwSum = 0;
for (int iCPU = 0; iCPU < g_cProcessors; iCPU++)
{
dwSum += g_pKernelHistory[iCPU][0];
}
dwSum /= g_cProcessors;
MoveToEx(m_hdcGraph,
m_rcGraph.right,
GraphHeight - (dwSum * GraphHeight) / 100,
(LPPOINT) NULL);
for (int i = 0; i < HIST_SIZE && i * Scale < Width; i++)
{
dwSum = 0;
for (int iCPU = 0; iCPU < g_cProcessors; iCPU++)
{
dwSum += g_pKernelHistory[iCPU][i];
}
dwSum /= g_cProcessors;
LineTo(m_hdcGraph,
m_rcGraph.right - Scale * i,
GraphHeight - (dwSum * GraphHeight) / 100);
}
if (hOld)
{
SelectObject(m_hdcGraph, hOld);
}
}
//
// Draw History as a sum of all CPUs
//
HGDIOBJ hOld = SelectObject(m_hdcGraph, m_hPens[0]);
DWORD dwSum = 0;
for (int iCPU = 0; iCPU < g_cProcessors; iCPU++)
{
dwSum += g_pCPUHistory[iCPU][0];
}
dwSum /= g_cProcessors;
MoveToEx(m_hdcGraph,
m_rcGraph.right,
GraphHeight - (dwSum * GraphHeight) / 100,
(LPPOINT) NULL);
for (int i = 0; i < HIST_SIZE && i * Scale < Width; i++)
{
dwSum = 0;
for (int iCPU = 0; iCPU < g_cProcessors; iCPU++)
{
dwSum += g_pCPUHistory[iCPU][i];
}
dwSum /= g_cProcessors;
LineTo(m_hdcGraph,
m_rcGraph.right - Scale * i,
GraphHeight - (dwSum * GraphHeight) / 100);
}
if (hOld)
{
SelectObject(m_hdcGraph, hOld);
}
}
//
// Memory bitmap could be wider than the target control, so find a delta
//
INT xDiff = (m_rcGraph.right - m_rcGraph.left) - (lpdi->rcItem.right - lpdi->rcItem.left);
BitBlt( lpdi->hDC,
lpdi->rcItem.left,
lpdi->rcItem.top,
lpdi->rcItem.right - lpdi->rcItem.left,
lpdi->rcItem.bottom - lpdi->rcItem.top,
m_hdcGraph,
xDiff,
0,
SRCCOPY);
}
/*++ CPerfPage::DrawMEMGraph
Routine Description:
Draws the Memory history graph (which is an ownerdraw control)
Arguments:
lpdi - LPDRAWITEMSTRUCT describing area we need to paint
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
void CPerfPage::DrawMEMGraph(LPDRAWITEMSTRUCT lpdi)
{
#define THISCPU 0
if (NULL == m_hdcGraph)
{
return;
}
FillRect(m_hdcGraph, &m_rcGraph, (HBRUSH) GetStockObject(GRAPH_BRUSH));
int Width = lpdi->rcItem.right - lpdi->rcItem.left;
DrawGraphPaper(m_hdcGraph, &m_rcGraph, Width);
int Scale = (Width - 1) / HIST_SIZE;
if (0 == Scale)
{
Scale = 2;
}
int GraphHeight = m_rcGraph.bottom - m_rcGraph.top - 1;
HGDIOBJ hOld = SelectObject(m_hdcGraph, m_hPens[MEM_PEN]);
LPBYTE pMemHistory = (g_Options.m_mmHistMode == MM_PHYSICAL)
? g_pPhysMEMHistory
: g_pMEMHistory;
MoveToEx(m_hdcGraph,
m_rcGraph.right,
m_rcGraph.bottom - (pMemHistory[0] * GraphHeight) / 100,
(LPPOINT) NULL);
for (int i = 0; i < HIST_SIZE && i * Scale < Width - 1; i++)
{
if (0 == pMemHistory[i])
{
break; // End of Data
}
LineTo(m_hdcGraph,
m_rcGraph.right - Scale * i,
m_rcGraph.bottom - (pMemHistory[i] * GraphHeight) / 100);
}
BitBlt( lpdi->hDC,
lpdi->rcItem.left,
lpdi->rcItem.top,
lpdi->rcItem.right - lpdi->rcItem.left,
lpdi->rcItem.bottom - lpdi->rcItem.top,
m_hdcGraph,
0,
0,
SRCCOPY);
if (hOld)
{
SelectObject(m_hdcGraph, hOld);
}
}
/*++ CPerfPage::UpdateGraphs
Routine Description:
Adds and removed CPU panes as required
Arguments:
none
Return Value:
none
Revision History:
Dec-16-96 Davepl Create
***/
void CPerfPage::UpdateGraphs()
{
UINT i;
for ( i = 0; i < g_cProcessors; i ++ )
{
//
// Make sure we have enough windows to show all the processors
//
HWND hwnd = GetDlgItem( m_hPage, IDC_CPUGRAPH + i );
if ( NULL == hwnd )
{
hwnd = CreateWindowEx( WS_EX_CLIENTEDGE
, L"BUTTON"
, L""
, BS_OWNERDRAW | WS_DISABLED | WS_CHILD
, 0
, 0
, 1
, 1
, m_hPage
, (HMENU) ((ULONGLONG)IDC_CPUGRAPH + i)
, NULL // ignored
, NULL
);
}
if ( NULL != hwnd && 0 != i )
{
// Show/hide the window depending on the mode
ShowWindow( hwnd, CM_PANES == g_Options.m_cmHistMode ? SW_SHOW : SW_HIDE );
}
}
//
// Hide/show everything but the CPU meters when we're in notitle/title mode
//
for (i = 0; i < ARRAYSIZE(aPerfControls); i++)
{
ShowWindow(GetDlgItem(m_hPage, aPerfControls[i]), g_Options.m_fNoTitle ? SW_HIDE : SW_SHOW);
}
ShowWindow(GetDlgItem(m_hPage, IDC_MEMGRAPH), g_Options.m_fNoTitle ? SW_HIDE : SW_SHOW);
ShowWindow(GetDlgItem(m_hPage, IDC_MEMFRAME), g_Options.m_fNoTitle ? SW_HIDE : SW_SHOW);
ShowWindow(GetDlgItem(m_hPage, IDC_MEMBARFRAME), g_Options.m_fNoTitle ? SW_HIDE : SW_SHOW);
ShowWindow(GetDlgItem(m_hPage, IDC_MEMMETER), g_Options.m_fNoTitle ? SW_HIDE : SW_SHOW);
WCHAR szMem[256] = { 0 };
WCHAR szMemHist[256] = { 0 };
switch (g_Options.m_mmHistMode)
{
case MM_PHYSICAL:
LoadStringW(g_hInstance, IDS_PHYSMEM, szMem, 256);
LoadStringW(g_hInstance, IDS_PHYSMEM_HISTORY, szMemHist, 256);
break;
case MM_COMMITTED:
LoadStringW(g_hInstance, IDS_COMMITTED, szMem, 256);
LoadStringW(g_hInstance, IDS_COMMITTED_HISTORY, szMemHist, 256);
break;
}
SetDlgItemTextW(m_hPage, IDC_MEMBARFRAME, szMem);
SetDlgItemTextW(m_hPage, IDC_MEMFRAME, szMemHist);
SizePerfPage();
}
/*++ CPerfPage::DrawCPUDigits
Routine Description:
Draws the CPU meter and digits
Arguments:
lpdi - LPDRAWITEMSTRUCT describing area we need to paint
Return Value:
Revision History:
Nov-12-95 Davepl Created
--*/
int GetCurFontSize(HDC hdc)
{
int iRet = 0;
LOGFONT lf;
HFONT hf = (HFONT) GetCurrentObject(hdc, OBJ_FONT);
if (hf)
{
if (GetObject(hf, sizeof(LOGFONT), &lf))
{
iRet = lf.lfHeight;
if (iRet < 0)
{
iRet = (-iRet);
}
}
}
return iRet;
}
//
//
//
void CPerfPage::DrawCPUDigits(LPDRAWITEMSTRUCT lpdi)
{
HBRUSH hBlack = (HBRUSH) GetStockObject(BLACK_BRUSH);
HGDIOBJ hOld = SelectObject(lpdi->hDC, hBlack);
Rectangle(lpdi->hDC, lpdi->rcItem.left, lpdi->rcItem.top, lpdi->rcItem.right, lpdi->rcItem.bottom);
//
// Draw the digits into the ownder draw control
//
INT xOffset = ((lpdi->rcItem.right - lpdi->rcItem.left) - 4 * DIGIT_WIDTH) / 2 - 2;
INT yOffset = (lpdi->rcItem.bottom - DIGIT_HEIGHT - g_DefSpacing);
INT xBarOffset = ((lpdi->rcItem.right - lpdi->rcItem.left) - STRIP_WIDTH) / 2;
RECT rcBar;
GetWindowRect(GetDlgItem(m_hPage, IDC_MEMMETER), &rcBar);
INT yDigit = g_Options.m_bLedNumbers ? DIGIT_HEIGHT : GetCurFontSize(lpdi->hDC);
INT cBarHeight = lpdi->rcItem.bottom - lpdi->rcItem.top - (yDigit + g_DefSpacing * 3);
if (cBarHeight <= 0)
{
return;
}
INT ctmpBarLitPixels = (g_CPUUsage * cBarHeight) / 100;
INT ctmpBarRedPixels = g_Options.m_fKernelTimes ? ctmpBarRedPixels = (g_KernelUsage * cBarHeight) / 100 : 0;
INT cBarUnLitPixels = cBarHeight - ctmpBarLitPixels;
cBarUnLitPixels = (cBarUnLitPixels / 3) * 3;
INT cBarLitPixels = cBarHeight - cBarUnLitPixels;
INT cBarRedPixels = ctmpBarRedPixels;
SetBkMode(lpdi->hDC, TRANSPARENT);
SetTextColor(lpdi->hDC, GRAPH_TEXT_COLOR);
WCHAR szBuf[8];
StringCchPrintf( szBuf, ARRAYSIZE(szBuf), L"%d %%", g_CPUUsage); // don't care if it truncates - UI only
RECT rcOut = lpdi->rcItem;
rcOut.bottom -= 4;
if (!g_Options.m_bLedNumbers)
DrawText(lpdi->hDC, szBuf, -1, &rcOut, DT_SINGLELINE | DT_CENTER | DT_BOTTOM);
HDC hdcMem = CreateCompatibleDC(lpdi->hDC);
if (hdcMem)
{
if (g_Options.m_bLedNumbers)
{
HBITMAP hOldbmp = (HBITMAP)SelectObject(hdcMem, m_hDigits);
if (hOldbmp)
{
int Place = 100;
int Value = g_CPUUsage;
BOOL fDrawnYet = FALSE;
for (int i = 0; i < 3; i++)
{
// Don't zero-pad
if (Value / Place == 0 && fDrawnYet == FALSE && Place != 1)
{
BitBlt(lpdi->hDC, xOffset + DIGIT_WIDTH * i, yOffset,
DIGIT_WIDTH, DIGIT_HEIGHT,
hdcMem,
BLANK_INDEX * DIGIT_WIDTH, 0,
SRCCOPY);
}
else
{
BitBlt(lpdi->hDC, xOffset + DIGIT_WIDTH * i, yOffset,
DIGIT_WIDTH, DIGIT_HEIGHT,
hdcMem,
(Value / Place) * DIGIT_WIDTH, 0,
SRCCOPY);
if (Value / Place)
{
fDrawnYet = TRUE;
}
}
Value %= Place;
Place /= 10;
}
}
// Percent sign
BitBlt(lpdi->hDC, xOffset + 3 * DIGIT_WIDTH, yOffset,
DIGIT_WIDTH, DIGIT_HEIGHT,
hdcMem,
PERCENT_SIGN_INDEX * DIGIT_WIDTH, 0, SRCCOPY);
}
//
// Draw the CPU meter
//
//
// Draw unlit portion
//
if (cBarHeight != cBarLitPixels)
{
INT cUnlit = cBarHeight - cBarLitPixels;
INT cOffset = 0;
HGDIOBJ hOldObj = SelectObject(hdcMem, m_hStripUnlit);
while (cUnlit > 0)
{
BitBlt(lpdi->hDC, xBarOffset, g_DefSpacing + cOffset,
STRIP_WIDTH, min(cUnlit, STRIP_HEIGHT),
hdcMem,
0, 0, SRCCOPY);
cOffset += min(cUnlit, STRIP_HEIGHT);
cUnlit -= min(cUnlit, STRIP_HEIGHT);
}
if ( NULL != hOldObj )
{
SelectObject( hdcMem, hOldObj );
}
}
//
// Draw lit portion
//
if (0 != cBarLitPixels)
{
HGDIOBJ hOldObj = SelectObject(hdcMem, m_hStripLit);
INT cOffset = 0;
INT cLit = cBarLitPixels - cBarRedPixels;
while (cLit > 0)
{
BitBlt(lpdi->hDC, xBarOffset, g_DefSpacing + (cBarHeight - cBarLitPixels) + cOffset,
STRIP_WIDTH, min(STRIP_HEIGHT, cLit),
hdcMem,
0, 0, SRCCOPY);
cOffset += min(cLit, STRIP_HEIGHT);
cLit -= min(cLit, STRIP_HEIGHT);
}
if ( NULL != hOldObj )
{
SelectObject( hdcMem, hOldObj );
}
}
if (0 != cBarRedPixels)
{
HGDIOBJ hOldObj = SelectObject(hdcMem, m_hStripLitRed);
INT cOffset = 0;
INT cRed = cBarRedPixels;
while (cRed > 0)
{
BitBlt(lpdi->hDC, xBarOffset, g_DefSpacing + (cBarHeight - cBarRedPixels) + cOffset,
STRIP_WIDTH, min(cRed, STRIP_HEIGHT),
hdcMem,
0, 0, SRCCOPY);
cOffset += min(cRed, STRIP_HEIGHT);
cRed -= min(cRed, STRIP_HEIGHT);
}