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1340 lines
37 KiB
1340 lines
37 KiB
//==========================================================================//
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// Includes //
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//==========================================================================//
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#include <stdio.h>
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#include "perfmon.h"
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#include "grafdisp.h" // external declarations for this file
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#include "grafdata.h" // for InsertGraph, et al.
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#include "graph.h"
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#include "legend.h"
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#include "line.h" // for LineCreatePen
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#include "perfmops.h" // for DoWindowDrag
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#include "playback.h" // for PlayingBackLog
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#include "valuebar.h"
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#include "utils.h"
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#include "timeline.h" // for IsTLineWindowUp & TLineRedraw
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#include "counters.h" // for CounterEntry
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//==========================================================================//
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// Constants //
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//==========================================================================//
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// this macro is used in doing a simple DDA (Digital Differential Analyzer)
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// * 10 + 5 is to make the result round up with .5
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#define DDA_DISTRIBUTE(TotalTics, numOfData) \
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((TotalTics * 10 / numOfData) + 5) / 10
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HDC hGraphDisplayDC ;
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//=============================//
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// GraphDisplay Class //
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//=============================//
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TCHAR szGraphDisplayWindowClass[] = TEXT("PerfChart") ;
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#define dwGraphDisplayClassStyle (CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS | CS_OWNDC)
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#define iGraphDisplayClassExtra (0)
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#define iGraphDisplayWindowExtra (0)
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#define dwGraphDisplayWindowStyle (WS_CHILD | WS_VISIBLE)
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//==========================================================================//
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// Local Functions //
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//==========================================================================//
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BOOL UpdateTimeLine (HDC hDC, PGRAPHSTRUCT pGraph, BOOL getLastTimeLocation) ;
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INT
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ScaleAndInvertY (
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FLOAT ey,
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PLINESTRUCT pLineStruct,
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PGRAPHSTRUCT pGraph
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)
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/*
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Effect: Given data value ey, scale and fit the value to fit
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within the graph data area of the window, considering
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the scale set for the line and the current size of the
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data rectangle.
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*/
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{
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INT yGraphDataHeight, // Height of graph area
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yInverted ; // Scaled & Inverted Y.
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FLOAT eppd,
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eyScaled ;
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// Take care of any scaling now, at output time.
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ey *= pLineStruct->eScale ;
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// Calculate the Cy of the graph area.
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yGraphDataHeight = pGraph->rectData.bottom - pGraph->rectData.top ;
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// Calculate the pixels per data point.
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eppd = (FLOAT) ((FLOAT) yGraphDataHeight / (FLOAT) pGraph->gOptions.iVertMax) ;
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eyScaled = eppd * ey ;
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yInverted = (INT) (((FLOAT) yGraphDataHeight) - eyScaled) ;
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yInverted += pGraph->rectData.top ;
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// Clamp the range to fit with in the graph portion of the windows
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yInverted = PinInclusive (yInverted,
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pGraph->rectData.top, pGraph->rectData.bottom) ;
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return (yInverted) ;
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}
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BOOL
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DrawGrid (
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HDC hDC,
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PGRAPHSTRUCT pGraph,
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LPRECT lpRect,
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BOOL bForPaint
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)
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/*
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Effect: Draw the grid lines in the graph display window.
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These grid lines are in the graph data area only,
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which is indicated by pGraph->rectData.
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Called By: OnPaint only.
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*/
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{
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int iGrid, iLines ;
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int xGrid, yGrid ;
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POINT aPoints [4 * iGraphMaxTics] ;
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DWORD aCounts [2 * iGraphMaxTics] ;
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HPEN hPenPrevious ;
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int bottomAdjust ;
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if (!pGraph->gOptions.bHorzGridChecked &&
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!pGraph->gOptions.bVertGridChecked)
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return (FALSE) ;
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hPenPrevious = SelectPen (hDC, IsPrinterDC (hDC) ?
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GetStockObject (BLACK_PEN) : pGraph->hGridPen) ;
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iLines = 0 ;
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if (pGraph->gOptions.bHorzGridChecked) {
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for (iGrid = 1 ;
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iGrid < pGraph->yNumTics ;
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iGrid++) {
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yGrid = pGraph->ayTics[iGrid] + pGraph->rectData.top ;
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if (yGrid >= lpRect->top &&
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yGrid <= lpRect->bottom) {
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aPoints[2 * iLines].x = lpRect->left ;
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aPoints[2 * iLines].y = yGrid ;
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aPoints[2 * iLines + 1].x = lpRect->right ;
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aPoints[2 * iLines + 1].y = yGrid ;
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aCounts[iLines] = 2 ;
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iLines++ ;
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}
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}
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}
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if (pGraph->gOptions.bVertGridChecked) {
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bottomAdjust = lpRect->bottom + (bForPaint ? 1 : 0) ;
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for (iGrid = 1 ;
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iGrid < pGraph->xNumTics ;
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iGrid++) {
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xGrid = pGraph->axTics[iGrid] + pGraph->rectData.left ;
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if (xGrid >= lpRect->left &&
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xGrid <= lpRect->right) {
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aPoints[2 * iLines].x = xGrid ;
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aPoints[2 * iLines].y = lpRect->top ;
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aPoints[2 * iLines + 1].x = xGrid ;
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aPoints[2 * iLines + 1].y = bottomAdjust ;
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aCounts[iLines] = 2 ;
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iLines++ ;
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}
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}
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}
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if (iLines)
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PolyPolyline (hDC, aPoints, aCounts, iLines) ;
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SelectPen (hDC, hPenPrevious) ;
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return (TRUE) ;
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}
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BOOL
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DrawBarChartData (
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HDC hDC,
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PGRAPHSTRUCT pGraph
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)
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{
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PLINESTRUCT pLineStruct ;
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PFLOAT pDataPoints ;
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INT nLegendItems,
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cx,
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cxBar,
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xDataPoint = 0,
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y = 0;
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RECT rectBar ;
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RECT rectBkgrnd ;
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HBRUSH hOldBrush ;
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FLOAT eValue ;
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PLINESTRUCT pCurrentLine ;
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// Determine how many items are in the legend.
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nLegendItems = 0 ;
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for (pLineStruct = pGraph->pLineFirst ;
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pLineStruct ;
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pLineStruct = pLineStruct->pLineNext) {
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nLegendItems++ ;
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}
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if (nLegendItems == 0)
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return(FALSE) ;
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// get current select line for highlighting
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if (pGraph->HighLightOnOff) {
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pCurrentLine = CurrentGraphLine (hWndGraph) ;
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} else {
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pCurrentLine = NULL ;
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}
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// Determine the width of each bar.
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cx = pGraph->rectData.right - pGraph->rectData.left ;
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if (PlayingBackLog()) {
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// get the average using the start and stop data point
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// from the log file
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PlaybackLines (pGraph->pSystemFirst,
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pGraph->pLineFirst,
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PlaybackLog.StartIndexPos.iPosition) ;
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PlaybackLines (pGraph->pSystemFirst,
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pGraph->pLineFirst,
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PlaybackLog.StopIndexPos.iPosition) ;
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} else {
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// Loop through all the DataLines and draw a bar for
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// it's last value.
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xDataPoint = pGraph->gKnownValue % pGraph->gMaxValues ;
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}
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rectBar.bottom = pGraph->rectData.bottom + 1 ;
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rectBkgrnd = pGraph->rectData ;
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hOldBrush = SelectBrush (hDC, hBrushFace) ;
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PatBlt (hDC,
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rectBkgrnd.left, rectBkgrnd.top,
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rectBkgrnd.right - rectBkgrnd.left,
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rectBkgrnd.bottom - rectBkgrnd.top + 1,
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PATCOPY) ;
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DrawGrid(hDC, pGraph, &(rectBkgrnd), FALSE) ;
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rectBar.right = pGraph->rectData.left ;
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for (pLineStruct = pGraph->pLineFirst ;
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pLineStruct ;
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pLineStruct = pLineStruct->pLineNext) {
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pDataPoints = pLineStruct->lnValues ;
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if (PlayingBackLog()) {
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eValue = CounterEntry (pLineStruct) ;
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} else {
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eValue = pDataPoints[xDataPoint] ;
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}
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y = ScaleAndInvertY (eValue,
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pLineStruct,
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pGraph) ;
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rectBar.left = rectBar.right ;
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rectBar.top = y ;
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// nomore line to draw
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if (nLegendItems == 0 ) {
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break ;
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}
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cxBar = DDA_DISTRIBUTE (cx, nLegendItems) ;
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rectBar.right = rectBar.left + cxBar ;
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// setup for next DDA
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nLegendItems-- ;
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cx -= cxBar ;
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// NOTE: this handle creation should be moved to line
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// create time.
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if (pCurrentLine == pLineStruct) {
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SetBkColor (hDC, crWhite) ;
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} else {
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SetBkColor (hDC, pLineStruct->Visual.crColor) ;
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}
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ExtTextOut (hDC, rectBar.right, rectBar.top, ETO_OPAQUE,
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&rectBar, NULL, 0, NULL) ;
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}
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return (TRUE) ;
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}
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/***************************************************************************
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* DrawTLGraphData - Draw Time Line Graph Data.
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*
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* Some notes about drawing the DataPoint graphs.
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*
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* 1] It's real expensive to make a GDI call. So, we do not
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* make a MoveToEx and LineTo call for each point. Instead
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* we create a polyline and send it down to GDI.
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*
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* 2] The X coordinates for each point in the polyline is generated
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* from our favorite xDataPoint to xWindows DDA.
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*
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* 3] The Y coordinate is generated from the pLineStruct->lnValues[x]
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* data associated with each line.
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***************************************************************************/
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BOOL
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DrawTLGraphData (
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HDC hDC,
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BOOL bForPaint,
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PRECT prctPaint,
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PGRAPHSTRUCT pGraph
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)
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/*
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Called By: UpdateGraphDisplay only.
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*/
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{
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PLINESTRUCT pLineStruct ;
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HPEN hPen = 0 ;
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HPEN hOldPen ;
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PFLOAT pDataPoints ;
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INT i, j,
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iValidValues,
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xDispDataPoint,
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xLeftLimit,
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xRightLimit ;
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PPOINT pptDataPoints ;
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INT numOfData, rectWidth, xPos ;
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PLINESTRUCT pCurrentLine ;
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INT DrawZeroPoint = 0 ;
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// SetBkColor (hDC, crLightGray) ;
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if (!IsPrinterDC (hDC)) {
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if (bForPaint) {
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IntersectClipRect (hDC,
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pGraph->rectData.left,
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pGraph->rectData.top,
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pGraph->rectData.right,
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pGraph->rectData.bottom + 1) ;
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} else {
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IntersectClipRect (hDC,
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pGraph->rectData.left,
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pGraph->rectData.top,
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PlayingBackLog () ?
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pGraph->rectData.right :
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min (pGraph->rectData.right,
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pGraph->gTimeLine.xLastTime + 2),
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pGraph->rectData.bottom + 1) ;
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}
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}
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xLeftLimit = prctPaint->left - pGraph->gTimeLine.ppd - 1 ;
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if (bForPaint)
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xRightLimit = prctPaint->right + pGraph->gTimeLine.ppd ;
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else
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xRightLimit = prctPaint->right ;
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pptDataPoints = pGraph->pptDataPoints ;
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iValidValues = pGraph->gTimeLine.iValidValues ;
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if (!PlayingBackLog() &&
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pGraph->gOptions.iGraphOrHistogram == LINE_GRAPH) {
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// drawing the 0th at the end of the chart.
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DrawZeroPoint = 1 ;
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if (iValidValues == pGraph->gMaxValues) {
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iValidValues++ ;
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}
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}
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// get current select line for highlighting
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if (pGraph->HighLightOnOff) {
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pCurrentLine = CurrentGraphLine (hWndGraph) ;
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} else {
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pCurrentLine = NULL ;
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}
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// loop through lines to plot
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for (pLineStruct = pGraph->pLineFirst ;
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pLineStruct || pCurrentLine;
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pLineStruct = pLineStruct->pLineNext) {
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if (pLineStruct == NULL) {
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// now draw the current line
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pLineStruct = pCurrentLine ;
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} else if (pLineStruct == pCurrentLine) {
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// skip this line and draw it later
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continue ;
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}
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// "Localize" some variables from the line data structure.
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pDataPoints = pLineStruct->lnValues ;
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rectWidth = pGraph->rectData.right - pGraph->rectData.left ;
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numOfData = pGraph->gMaxValues - 1 + DrawZeroPoint ;
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// Generate the polyline data.
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xDispDataPoint = pGraph->rectData.left ;
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// Only process points that lie within the update region.
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// Also only process points that have valid data.
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j = 0 ;
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for (i = 0 ; i < iValidValues ; i++) {
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if (xDispDataPoint > xRightLimit) {
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// we are done!
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break ;
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}
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if (xDispDataPoint >= xLeftLimit) {
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// It is within the limits, plot the point
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pptDataPoints[j].x = xDispDataPoint ;
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pptDataPoints[j].y = ScaleAndInvertY (
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(i == pGraph->gMaxValues) ? pDataPoints[0] : pDataPoints[i],
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pLineStruct,
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pGraph) ;
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j++ ;
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}
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// setup for the next point
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if (!numOfData) {
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// no more points to go
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break ;
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}
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xPos = DDA_DISTRIBUTE (rectWidth, numOfData) ;
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xDispDataPoint += xPos ;
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numOfData-- ;
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rectWidth -= xPos ;
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}
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// only need to draw the line if there is point to draw.
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if (j > 0) {
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// Set the pen color and draw the polyline.
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if (IsPrinterDC (hDC)) {
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hPen = LineCreatePen (hDC, &(pLineStruct->Visual), TRUE) ;
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hOldPen = SelectObject (hDC, hPen) ;
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} else {
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if (pCurrentLine == pLineStruct) {
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// highlight this line by turning it into White color
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hOldPen = SelectObject (hDC, hWhitePen) ;
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} else {
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SelectObject (hDC, pLineStruct->hPen) ;
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}
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}
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Polyline(hDC, pptDataPoints, j) ;
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if (hPen) {
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SelectObject (hDC, hOldPen) ;
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if (hPen != hWhitePen) {
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DeletePen (hPen) ;
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}
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hPen = 0 ;
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}
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}
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if (pCurrentLine == pLineStruct) {
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// We are done...
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break ;
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}
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}
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if (IsTLineWindowUp()) {
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// re-draw the timelines if need
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TLineRedraw (hDC, pGraph) ;
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}
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// reset the clipping region
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SelectClipRgn (hDC, pGraph->hGraphRgn) ;
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return (TRUE) ;
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}
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/***************************************************************************
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* bInitTimeLine - Initialize the fields of the time line structure.
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***************************************************************************/
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BOOL
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bInitTimeLine(
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PGRAPHSTRUCT pGraph
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)
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{
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pGraph->gTimeLine.xLastTime = 0 ;
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pGraph->gTimeLine.ppd = 0 ;
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pGraph->gTimeLine.rppd = 0 ;
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pGraph->gTimeLine.iValidValues = 1 ;
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return (TRUE) ;
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}
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|
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/***************************************************************************
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* Scale Time Line
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*
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* This routine should be called from the WM_SIZE message.
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* It does the scaling from the number of data points to the
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* size of the window.
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***************************************************************************/
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void
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ScaleTimeLine (
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PGRAPHSTRUCT pGraph
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)
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{
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INT nDataPoints,
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cxClient ;
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|
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// Calculate the pels per data point.
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nDataPoints = pGraph->gMaxValues - 1 ;
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cxClient = pGraph->rectData.right - pGraph->rectData.left ;
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// ppd = Pixels per DataPoint.
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// rppd = Remaining Pixels per DataPoint.
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pGraph->gTimeLine.ppd = cxClient / nDataPoints ;
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pGraph->gTimeLine.rppd = cxClient % nDataPoints ;
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}
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|
|
|
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void
|
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DisplayTimeLine(
|
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HDC hDC,
|
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PGRAPHSTRUCT pGraph
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)
|
|
/*
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|
Called By: OnPaint only.
|
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Assert: xDisplayPoint has been set by UpdateTimeLine on this
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same timer tick.
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*/
|
|
{
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INT xDisplayPoint ;
|
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RECT rect ;
|
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if (pGraph->gTimeLine.xLastTime == -1) {
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UpdateTimeLine (hGraphDisplayDC, pGraph, TRUE) ;
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}
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|
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// xDisplayPoint is X coordinate to display the time line at.
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if ((xDisplayPoint = pGraph->gTimeLine.xLastTime) == 0)
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return ;
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SelectBrush (hDC, pGraph->hbRed) ;
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if (xDisplayPoint >= pGraph->rectData.right) {
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rect.left = pGraph->rectData.left ;
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} else {
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// rect.left = xDisplayPoint++ ;
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rect.left = xDisplayPoint ;
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}
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rect.top = pGraph->rectData.top ;
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rect.right = rect.left + 2 ;
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rect.bottom = pGraph->rectData.bottom ;
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// IntersectRect (&rect, &rect, &pGraph->rectData) ;
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if (rect.right > pGraph->rectData.right) {
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rect.right = pGraph->rectData.right ;
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}
|
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PatBlt (hDC,
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rect.left, rect.top,
|
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rect.right - rect.left,
|
|
rect.bottom - rect.top + 1 ,
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PATCOPY) ;
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|
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}
|
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|
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int
|
|
SuggestedNumTics (
|
|
int iRange
|
|
)
|
|
/*
|
|
Effect: Return an appropriate number of tic marks to display
|
|
within iRange pixels.
|
|
|
|
These numbers are empirically chosen for pleasing
|
|
results.
|
|
*/
|
|
{
|
|
if (iRange < 20)
|
|
return (0) ;
|
|
|
|
if (iRange < 50)
|
|
return (2) ;
|
|
|
|
if (iRange < 100)
|
|
return (4) ;
|
|
|
|
if (iRange < 150)
|
|
return (5) ;
|
|
|
|
if (iRange < 300)
|
|
return (10) ;
|
|
|
|
if (iRange < 500)
|
|
return (20) ;
|
|
|
|
return (25) ;
|
|
}
|
|
|
|
|
|
|
|
void
|
|
SetGridPositions (
|
|
PGRAPHSTRUCT pGraph
|
|
)
|
|
{
|
|
int xDataWidth ;
|
|
int yDataHeight ;
|
|
|
|
int iCurrentTicPixels ;
|
|
int iNumTics ;
|
|
|
|
int i ;
|
|
|
|
|
|
//=============================//
|
|
// Set number of Tics //
|
|
//=============================//
|
|
|
|
xDataWidth = pGraph->rectData.right - pGraph->rectData.left ;
|
|
yDataHeight = pGraph->rectData.bottom - pGraph->rectData.top ;
|
|
|
|
pGraph->xNumTics = PinInclusive (SuggestedNumTics (xDataWidth),
|
|
0, iGraphMaxTics) ;
|
|
pGraph->yNumTics = PinInclusive (SuggestedNumTics (yDataHeight),
|
|
0, iGraphMaxTics) ;
|
|
|
|
// if we have more tics than possible integral values, reduce the number
|
|
// of tics.
|
|
if (pGraph->gOptions.iVertMax < pGraph->yNumTics)
|
|
pGraph->yNumTics = pGraph->gOptions.iVertMax ;
|
|
|
|
|
|
//=============================//
|
|
// Set X Tic Positions //
|
|
//=============================//
|
|
|
|
if (pGraph->xNumTics) {
|
|
iNumTics = pGraph->xNumTics ;
|
|
|
|
pGraph->axTics[0] = 0 ;
|
|
for (i = 1; i < pGraph->xNumTics; i++) {
|
|
if (iNumTics == 0) {
|
|
break ;
|
|
}
|
|
iCurrentTicPixels = DDA_DISTRIBUTE (xDataWidth, iNumTics) ;
|
|
pGraph->axTics [i] = pGraph->axTics [i - 1] + iCurrentTicPixels ;
|
|
|
|
xDataWidth -= iCurrentTicPixels ;
|
|
iNumTics-- ;
|
|
}
|
|
}
|
|
|
|
|
|
//=============================//
|
|
// Set Y Tic Positions //
|
|
//=============================//
|
|
|
|
if (pGraph->yNumTics) {
|
|
iNumTics = pGraph->yNumTics ;
|
|
|
|
pGraph->ayTics[0] = 0 ;
|
|
for (i = 1; i < pGraph->yNumTics; i++) {
|
|
if (iNumTics == 0) {
|
|
break ;
|
|
}
|
|
iCurrentTicPixels = DDA_DISTRIBUTE (yDataHeight, iNumTics) ;
|
|
pGraph->ayTics [i] = pGraph->ayTics [i- 1] + iCurrentTicPixels ;
|
|
|
|
yDataHeight -= iCurrentTicPixels ;
|
|
iNumTics-- ;
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
GraphVerticalScaleWidth (
|
|
HDC hDC,
|
|
PGRAPHSTRUCT pGraph
|
|
)
|
|
{
|
|
TCHAR szMaxValue [20] ;
|
|
int xWidth ;
|
|
|
|
if (!pGraph->gOptions.bLabelsChecked)
|
|
return (0) ;
|
|
|
|
// SelectFont (hDC, IsPrinterDC (hDC) ? hFontPrinterScales : hFontScales) ;
|
|
|
|
TSPRINTF (szMaxValue, TEXT(" %1d "),
|
|
pGraph->gOptions.iVertMax * 10 ) ;
|
|
|
|
xWidth = TextWidth (hDC, szMaxValue) ;
|
|
|
|
return (xWidth) ;
|
|
}
|
|
|
|
|
|
void
|
|
DrawGraphScale (
|
|
HDC hDC,
|
|
PGRAPHSTRUCT pGraph
|
|
)
|
|
{
|
|
TCHAR szScale [20] ;
|
|
|
|
INT len,
|
|
i,
|
|
nLines,
|
|
iUnitsPerLine = 0;
|
|
FLOAT ePercentOfTotal = 0.0f;
|
|
FLOAT eDiff ;
|
|
BOOL bUseFloatingPt = FALSE ;
|
|
|
|
//=============================//
|
|
// Draw Vertical Scale? //
|
|
//=============================//
|
|
|
|
if (!pGraph->gOptions.bLabelsChecked)
|
|
return ;
|
|
|
|
// Get the number of lines.
|
|
nLines = pGraph->yNumTics ;
|
|
|
|
// nLines may be zero if the screen size if getting too small
|
|
if (nLines > 0) {
|
|
// Calculate what percentage of the total each line represents.
|
|
ePercentOfTotal = ((FLOAT) 1.0) / ((FLOAT) nLines) ;
|
|
|
|
// Calculate the amount (number of units) of the Vertical max each
|
|
// each line in the graph represents.
|
|
iUnitsPerLine = (INT) ((FLOAT) pGraph->gOptions.iVertMax * ePercentOfTotal) ;
|
|
ePercentOfTotal *= (FLOAT) pGraph->gOptions.iVertMax ;
|
|
eDiff = (FLOAT)iUnitsPerLine - ePercentOfTotal ;
|
|
if (eDiff < (FLOAT) 0.0)
|
|
eDiff = -eDiff ;
|
|
|
|
if (eDiff > (FLOAT) 0.1)
|
|
bUseFloatingPt = TRUE ;
|
|
}
|
|
|
|
//=============================//
|
|
// Set Drawing Attributes //
|
|
//=============================//
|
|
|
|
// SelectFont (hDC, IsPrinterDC (hDC) ? hFontPrinterScales : hFontScales) ;
|
|
SetBkMode(hDC, TRANSPARENT) ;
|
|
SetTextAlign (hDC, TA_TOP | TA_RIGHT) ;
|
|
SelectObject(hDC, GetStockObject (BLACK_PEN)) ;
|
|
|
|
// Set the background color to gray
|
|
if (!IsPrinterDC (hDC))
|
|
// FillRect (hDC, &(pGraph->rectVertScale), hbLightGray) ;
|
|
FillRect (hDC, &(pGraph->rectVertScale), hBrushFace) ;
|
|
|
|
// TESTING TESTING
|
|
#ifdef PERFMON_DEBUG
|
|
GdiSetBatchLimit(1) ; // disable Batching
|
|
#endif
|
|
|
|
// Now Output each string.
|
|
for (i = 0; i < nLines; i++) {
|
|
if (bUseFloatingPt) {
|
|
len = TSPRINTF (szScale, TEXT("%1.1f"),
|
|
(FLOAT)pGraph->gOptions.iVertMax - ((FLOAT)i *
|
|
ePercentOfTotal)) ;
|
|
ConvertDecimalPoint (szScale) ;
|
|
} else {
|
|
len = TSPRINTF (szScale, TEXT("%d"),
|
|
pGraph->gOptions.iVertMax - (i * iUnitsPerLine)) ;
|
|
}
|
|
TextOut (hDC,
|
|
pGraph->rectVertScale.right,
|
|
pGraph->ayTics[i] +
|
|
pGraph->rectData.top - HalfTextHeight,
|
|
szScale,
|
|
len) ;
|
|
}
|
|
|
|
// Output the "min value" separately.
|
|
TextOut (hDC,
|
|
pGraph->rectVertScale.right,
|
|
pGraph->rectData.bottom - HalfTextHeight,
|
|
TEXT("0"),
|
|
1) ;
|
|
|
|
#ifdef PERFMON_DEBUG
|
|
// TESTING TESTING
|
|
GdiSetBatchLimit(0) ; // enable default Batching
|
|
#endif
|
|
}
|
|
|
|
void
|
|
SizeGraphDisplayComponentsRect (
|
|
HDC hDC,
|
|
PGRAPHSTRUCT pGraph,
|
|
RECT rectDisplay
|
|
)
|
|
{
|
|
int xScaleWidth ;
|
|
|
|
if (!rectDisplay.right || !rectDisplay.bottom)
|
|
return ;
|
|
|
|
//=============================//
|
|
// Size the Vertical Scale //
|
|
//=============================//
|
|
|
|
xScaleWidth = GraphVerticalScaleWidth (hDC, pGraph) ;
|
|
pGraph->rectVertScale.left = rectDisplay.left ;
|
|
pGraph->rectVertScale.top = rectDisplay.top ;
|
|
pGraph->rectVertScale.right = rectDisplay.left + xScaleWidth ;
|
|
pGraph->rectVertScale.bottom = rectDisplay.bottom ;
|
|
|
|
//=============================//
|
|
// Size the Horizontal Scale //
|
|
//=============================//
|
|
|
|
pGraph->rectHorzScale.left = 0 ;
|
|
pGraph->rectHorzScale.top = 0 ;
|
|
pGraph->rectHorzScale.right = 0 ;
|
|
pGraph->rectHorzScale.bottom = 0 ;
|
|
|
|
//=============================//
|
|
// Size the Data Area //
|
|
//=============================//
|
|
|
|
pGraph->rectData.left = pGraph->rectVertScale.right + 3 + ThreeDPad ;
|
|
pGraph->rectData.right = rectDisplay.right - 5 - ThreeDPad ;
|
|
pGraph->rectData.top = rectDisplay.top + 5 + ThreeDPad ;
|
|
pGraph->rectData.bottom = rectDisplay.bottom - 5 - ThreeDPad ;
|
|
|
|
SetGridPositions (pGraph) ;
|
|
ScaleTimeLine (pGraph) ;
|
|
|
|
//==========================================//
|
|
// Invalidate the last time line poisition //
|
|
//==========================================//
|
|
pGraph->gTimeLine.xLastTime = -1 ;
|
|
|
|
if (pGraph->hGraphRgn) {
|
|
DeleteObject (pGraph->hGraphRgn) ;
|
|
}
|
|
|
|
pGraph->hGraphRgn = CreateRectRgn (rectDisplay.left,
|
|
rectDisplay.top,
|
|
rectDisplay.right,
|
|
rectDisplay.bottom) ;
|
|
|
|
SelectClipRgn (hDC, pGraph->hGraphRgn) ;
|
|
|
|
}
|
|
|
|
|
|
void
|
|
SizeGraphDisplayComponents (
|
|
HWND hWnd
|
|
)
|
|
/*
|
|
Effect: Given the graph display window hWnd, of size
|
|
(xWidth x yHeight), determine the size and position
|
|
of the various graph display components: the vertical
|
|
scale, the horizontal scale, and the data area.
|
|
|
|
Called By: OnSize, any other routine that changes the visibility
|
|
of a vertical or horizontal scale.
|
|
|
|
Note: This function has multiple return points.
|
|
*/
|
|
{ // SizeGraphDisplayComponents
|
|
PGRAPHSTRUCT pGraph ;
|
|
RECT rectClient ;
|
|
|
|
pGraph = GraphData (hWnd) ;
|
|
GetClientRect (hWnd, &rectClient) ;
|
|
|
|
SizeGraphDisplayComponentsRect (hGraphDisplayDC, pGraph, rectClient) ;
|
|
}
|
|
|
|
|
|
void
|
|
UpdateGraphDisplay (
|
|
HDC hDC,
|
|
BOOL bForPaint,
|
|
LPRECT lpRect,
|
|
PGRAPHSTRUCT pGraph
|
|
)
|
|
/*
|
|
Effect: Draw the portions of the graph that change as the
|
|
graph's values change. This includes the background,
|
|
the grid, the lines, and the timeline.
|
|
*/
|
|
{
|
|
RECT rectUpdate ;
|
|
|
|
if (!bForPaint && !IsPrinterDC (hDC) &&
|
|
pGraph->gOptions.iGraphOrHistogram == LINE_GRAPH) {
|
|
HBRUSH hOldBrush ;
|
|
|
|
rectUpdate = pGraph->rectData ;
|
|
rectUpdate.bottom += 1 ;
|
|
|
|
IntersectRect (&rectUpdate, lpRect, &rectUpdate) ;
|
|
hOldBrush = SelectBrush (hDC, hBrushFace) ;
|
|
|
|
PatBlt (hDC,
|
|
rectUpdate.left, rectUpdate.top,
|
|
rectUpdate.right - rectUpdate.left,
|
|
rectUpdate.bottom - rectUpdate.top,
|
|
PATCOPY) ;
|
|
} else {
|
|
IntersectRect (&rectUpdate, lpRect, &pGraph->rectData) ;
|
|
}
|
|
|
|
if (pGraph->gOptions.iGraphOrHistogram == LINE_GRAPH) {
|
|
DrawGrid(hDC, pGraph, &rectUpdate, bForPaint) ;
|
|
if (pGraph->pLineFirst != NULL) {
|
|
DrawTLGraphData(hDC, bForPaint, &rectUpdate, pGraph) ;
|
|
if (!PlayingBackLog ())
|
|
DisplayTimeLine(hDC, pGraph) ;
|
|
}
|
|
} else {
|
|
DrawBarChartData (hDC, pGraph) ;
|
|
}
|
|
}
|
|
|
|
|
|
BOOL
|
|
UpdateTimeLine (
|
|
HDC hDC,
|
|
PGRAPHSTRUCT pGraph,
|
|
BOOL getLastTimeLocation
|
|
)
|
|
/*
|
|
Called By: GraphTimer only.
|
|
|
|
See Also: UpdateGraphDisplay.
|
|
*/
|
|
{
|
|
INT i,
|
|
xDisplayPoint,
|
|
xDataPoint ;
|
|
RECT rctUpdate ;
|
|
INT xLastTime ;
|
|
INT rectWidth,
|
|
xPos,
|
|
numOfPoints ;
|
|
|
|
|
|
if ((xLastTime = pGraph->gTimeLine.xLastTime) != 0) {
|
|
if ((pGraph->gKnownValue % pGraph->gMaxValues) == 1) {
|
|
// Data wrap around case
|
|
rctUpdate.left = pGraph->rectData.left ;
|
|
rctUpdate.right = pGraph->rectData.left +
|
|
pGraph->gTimeLine.ppd + 1 ;
|
|
} else {
|
|
rctUpdate.left = xLastTime - pGraph->gTimeLine.ppd ;
|
|
rctUpdate.right = xLastTime +
|
|
pGraph->gTimeLine.ppd + 1 ;
|
|
}
|
|
rctUpdate.top = pGraph->rectData.top ;
|
|
rctUpdate.bottom = pGraph->rectData.bottom + 1 ;
|
|
}
|
|
|
|
// Calculate where to draw the time line.
|
|
// This is done by running a simple DDA (Digital Differential Analyzer)
|
|
// We have to position the time depending upon the size of the
|
|
// graph window. In essence we need to calculate the x display
|
|
// coordinate.
|
|
|
|
// Note we should wrap Known Value in UpdateGLData.
|
|
// We should also use a data buffer of 256 bytes so we can
|
|
// wrap with and AND.
|
|
|
|
// xDataPoint = pGraph->gKnownValue ;
|
|
xDataPoint = pGraph->gKnownValue % pGraph->gMaxValues ;
|
|
|
|
xDisplayPoint = pGraph->rectData.left ;
|
|
|
|
numOfPoints = pGraph->gMaxValues - 1 ;
|
|
|
|
if (!PlayingBackLog() &&
|
|
pGraph->gOptions.iGraphOrHistogram == LINE_GRAPH) {
|
|
// drawing the 0th at the end of the chart.
|
|
// So, we do have gMaxValues points
|
|
numOfPoints++ ;
|
|
if ((pGraph->gKnownValue % pGraph->gMaxValues) == 0) {
|
|
xDataPoint = pGraph->gMaxValues ;
|
|
}
|
|
}
|
|
|
|
rectWidth = pGraph->rectData.right - pGraph->rectData.left ;
|
|
|
|
for (i = 0 ; i < xDataPoint ; i++) {
|
|
if (numOfPoints == 0) {
|
|
break ;
|
|
}
|
|
xPos = DDA_DISTRIBUTE (rectWidth, numOfPoints) ;
|
|
xDisplayPoint += xPos ;
|
|
rectWidth -= xPos ;
|
|
numOfPoints-- ;
|
|
}
|
|
|
|
pGraph->gTimeLine.xLastTime = xDisplayPoint ;
|
|
|
|
if (!getLastTimeLocation && iPerfmonView == IDM_VIEWCHART && !bPerfmonIconic) {
|
|
UpdateGraphDisplay (hDC, FALSE, &rctUpdate, pGraph) ;
|
|
}
|
|
|
|
return(TRUE) ;
|
|
}
|
|
|
|
|
|
//==========================================================================//
|
|
// Message Handlers //
|
|
//==========================================================================//
|
|
|
|
|
|
void
|
|
/*static*/
|
|
OnCreate (
|
|
HWND hWnd
|
|
)
|
|
/*
|
|
Effect: Perform all actions needed when a GraphDisplay window is
|
|
created.
|
|
In particular, initialize the graph instance data and
|
|
create the child windows.
|
|
|
|
Called By: GraphDisplayWndProc, in response to a WM_CREATE message.
|
|
*/
|
|
{
|
|
LOGBRUSH LogBrush ;
|
|
TEXTMETRIC tmScales ;
|
|
|
|
hGraphDisplayDC = GetDC(hWnd) ;
|
|
if (!hGraphDisplayDC)
|
|
return;
|
|
|
|
SelectFont(hGraphDisplayDC, hFontScales) ;
|
|
GetTextMetrics(hGraphDisplayDC, &tmScales) ;
|
|
HalfTextHeight = tmScales.tmHeight / 2 ;
|
|
|
|
// SetBkColor (hGraphDisplayDC, crLightGray) ;
|
|
SetBkColor (hGraphDisplayDC, ColorBtnFace) ;
|
|
|
|
|
|
InsertGraph(hWnd) ;
|
|
bInitTimeLine(pGraphs) ;
|
|
|
|
pGraphs->hWnd = hWnd ;
|
|
|
|
// Create the brush and pen used by the time line.
|
|
// We don't want to create these on every timer tick.
|
|
|
|
LogBrush.lbStyle = BS_SOLID ;
|
|
LogBrush.lbColor = RGB(0xff, 0, 0) ;
|
|
LogBrush.lbHatch = 0 ;
|
|
|
|
// Now get the system resources we use "all the time"
|
|
pGraphs->hbRed = CreateBrushIndirect(&LogBrush) ;
|
|
pGraphs->hGridPen = CreatePen (PS_SOLID, 1, crGray) ;
|
|
|
|
pGraphs->xNumTics = 0 ;
|
|
pGraphs->yNumTics = 0 ;
|
|
}
|
|
|
|
|
|
void
|
|
/*static*/
|
|
OnSize (
|
|
HWND hWnd,
|
|
WORD xWidth,
|
|
WORD yHeight
|
|
)
|
|
{
|
|
PGRAPHSTRUCT pGraph ;
|
|
|
|
pGraph = GraphData (hWnd) ;
|
|
|
|
SizeGraphDisplayComponents (hWnd) ;
|
|
}
|
|
|
|
|
|
void
|
|
/*static*/
|
|
OnPaint (
|
|
HWND hWnd
|
|
)
|
|
{
|
|
HDC hDC ;
|
|
PAINTSTRUCT ps ;
|
|
PGRAPHSTRUCT pGraph ;
|
|
|
|
pGraph = GraphData (hWnd) ;
|
|
hDC = BeginPaint(hWnd, &ps) ;
|
|
|
|
DrawGraphDisplay (hDC, ps.rcPaint, pGraph) ;
|
|
|
|
EndPaint(hWnd, &ps) ;
|
|
}
|
|
|
|
|
|
//==========================================================================//
|
|
// Exported Functions //
|
|
//==========================================================================//
|
|
|
|
#ifdef KEEP_PRINT
|
|
void PrintGraphDisplay (HDC hDC,
|
|
PGRAPHSTRUCT pGraph)
|
|
{
|
|
DrawGraphScale (hDC, pGraph) ;
|
|
|
|
|
|
//!! UpdateGraphDisplay (hDC, TRUE, &(pGraph->rectData), pGraph) ;
|
|
|
|
IntersectClipRect (hDC, 0, 0, 10000, 10000) ;
|
|
SelectBrush (hDC, GetStockObject (HOLLOW_BRUSH)) ;
|
|
SelectPen (hDC, GetStockObject (BLACK_PEN)) ;
|
|
Rectangle (hDC,
|
|
pGraph->rectData.left,
|
|
pGraph->rectData.top,
|
|
pGraph->rectData.right,
|
|
pGraph->rectData.bottom) ;
|
|
}
|
|
#endif
|
|
|
|
|
|
|
|
void
|
|
DrawGraphDisplay (
|
|
HDC hDC,
|
|
RECT rectDraw,
|
|
PGRAPHSTRUCT pGraph
|
|
)
|
|
{
|
|
BOOL bPaintScale ;
|
|
INT LocalThreeDPad = ThreeDPad - 1 ;
|
|
|
|
// Only draw the vertical labels if the paint rectangle
|
|
// any portion of the window to the left of the graph area.
|
|
|
|
bPaintScale = (rectDraw.left <= pGraph->rectVertScale.right) ;
|
|
if (bPaintScale)
|
|
DrawGraphScale (hDC, pGraph) ;
|
|
if (IsPrinterDC (hDC))
|
|
Rectangle (hDC,
|
|
pGraph->rectData.left,
|
|
pGraph->rectData.top,
|
|
pGraph->rectData.right,
|
|
pGraph->rectData.bottom) ;
|
|
else
|
|
ThreeDConcave1 (hDC,
|
|
pGraph->rectData.left - LocalThreeDPad,
|
|
pGraph->rectData.top - LocalThreeDPad,
|
|
pGraph->rectData.right + LocalThreeDPad,
|
|
pGraph->rectData.bottom + LocalThreeDPad + 1) ;
|
|
|
|
UpdateGraphDisplay (hDC, TRUE, &(rectDraw), pGraph) ;
|
|
}
|
|
|
|
|
|
LRESULT
|
|
APIENTRY
|
|
GraphDisplayWndProc (
|
|
HWND hWnd,
|
|
UINT uMsg,
|
|
WPARAM wParam,
|
|
LPARAM lParam
|
|
)
|
|
{
|
|
LRESULT lret = 0L ;
|
|
BOOL bCallDefProc = FALSE ;
|
|
|
|
switch (LOWORD (uMsg)) {
|
|
case WM_LBUTTONDOWN:
|
|
DoWindowDrag (hWnd, lParam) ;
|
|
break ;
|
|
|
|
case WM_LBUTTONDBLCLK:
|
|
SendMessage (hWndMain, uMsg, wParam, lParam) ;
|
|
break ;
|
|
|
|
case WM_CREATE:
|
|
OnCreate (hWnd) ;
|
|
break ;
|
|
|
|
case WM_SIZE:
|
|
OnSize (hWnd, LOWORD (lParam), HIWORD (lParam)) ;
|
|
break ;
|
|
|
|
case WM_DESTROY:
|
|
KillTimer(hWndMain, GRAPH_TIMER_ID) ;
|
|
break ;
|
|
|
|
case WM_PAINT:
|
|
OnPaint (hWnd) ;
|
|
break ;
|
|
|
|
case WM_TIMER:
|
|
GraphTimer (hWnd, FALSE) ;
|
|
break ;
|
|
|
|
default:
|
|
bCallDefProc = TRUE ;
|
|
break ;
|
|
} // switch
|
|
|
|
|
|
if (bCallDefProc) {
|
|
lret = DefWindowProc(hWnd, uMsg, wParam, lParam) ;
|
|
}
|
|
return (lret) ;
|
|
}
|
|
|
|
|
|
BOOL
|
|
GraphDisplayInitializeApplication (void)
|
|
{
|
|
WNDCLASS wc ;
|
|
|
|
wc.style = dwGraphDisplayClassStyle ;
|
|
wc.lpfnWndProc = GraphDisplayWndProc ;
|
|
wc.hInstance = hInstance ;
|
|
wc.cbClsExtra = iGraphDisplayWindowExtra ;
|
|
wc.cbWndExtra = iGraphDisplayClassExtra ;
|
|
wc.hIcon = NULL ;
|
|
wc.hCursor = LoadCursor(NULL, IDC_ARROW) ;
|
|
// wc.hbrBackground = hbLightGray ;
|
|
wc.hbrBackground = hBrushFace ;
|
|
wc.lpszMenuName = NULL ;
|
|
wc.lpszClassName = (LPTSTR) szGraphDisplayWindowClass ;
|
|
|
|
return (RegisterClass (&wc)) ;
|
|
}
|
|
|
|
|
|
|
|
HWND
|
|
CreateGraphDisplayWindow (
|
|
HWND hWndGraph
|
|
)
|
|
{
|
|
return (CreateWindow (szGraphDisplayWindowClass, // class
|
|
NULL, // caption
|
|
dwGraphDisplayWindowStyle, // window style
|
|
0, 0, // position
|
|
0, 0, // size
|
|
hWndGraph, // parent window
|
|
NULL, // menu
|
|
hInstance, // program instance
|
|
NULL)) ; // user-supplied data
|
|
}
|
|
|
|
BOOL
|
|
ToggleGraphRefresh (
|
|
HWND hWnd
|
|
)
|
|
{
|
|
PGRAPHSTRUCT pGraph ;
|
|
|
|
pGraph = GraphData (hWnd) ;
|
|
|
|
if (pGraph->bManualRefresh)
|
|
SetGraphTimer (pGraph) ;
|
|
else
|
|
ClearGraphTimer (pGraph) ;
|
|
|
|
pGraph->bManualRefresh = !pGraph->bManualRefresh ;
|
|
return (pGraph->bManualRefresh) ;
|
|
}
|
|
|
|
BOOL
|
|
GraphRefresh (
|
|
HWND hWnd
|
|
)
|
|
{
|
|
PGRAPHSTRUCT pGraph ;
|
|
|
|
pGraph = GraphData (hWnd) ;
|
|
|
|
return (pGraph->bManualRefresh) ;
|
|
}
|
|
|
|
|
|
void
|
|
GraphTimer (
|
|
HWND hWnd,
|
|
BOOL bForce
|
|
)
|
|
/*
|
|
Effect: Handle any actions necessary when the graph display
|
|
window hWnd receives a timer tick. In particular,
|
|
update the graph display and update the status bar
|
|
if it is showing.
|
|
|
|
Called By: GraphDisplayWndProc, in response to a WM_TIMER message.
|
|
*/
|
|
{
|
|
PGRAPHSTRUCT pGraph ;
|
|
|
|
pGraph = GraphData (hWnd) ;
|
|
|
|
if (!pGraph->pLineFirst)
|
|
return ;
|
|
|
|
if (bForce || !pGraph->bManualRefresh) {
|
|
|
|
HandleGraphTimer () ;
|
|
|
|
// If we are displaying a time-line graph then do the
|
|
// calculations for the minimal update region.
|
|
// If were doing a bar graph, then draw the
|
|
// whole graph area.
|
|
|
|
if (pGraph->gOptions.iGraphOrHistogram == LINE_GRAPH)
|
|
UpdateTimeLine (hGraphDisplayDC, pGraph, FALSE) ;
|
|
else
|
|
DrawBarChartData (hGraphDisplayDC, pGraph) ;
|
|
|
|
// Take care of the status bar window
|
|
StatusTimer (hWndGraphStatus, FALSE) ;
|
|
|
|
} // if
|
|
}
|
|
|
|
// this routine set/reset the line highlight mode
|
|
void
|
|
ChartHighlight (void)
|
|
{
|
|
PGRAPHSTRUCT pGraph ;
|
|
|
|
|
|
if (pGraph = GraphData (hWndGraph)) {
|
|
if (pGraph->pLineFirst) {
|
|
// toggle the HightlightOnOff mode
|
|
pGraph->HighLightOnOff = !pGraph->HighLightOnOff ;
|
|
WindowInvalidate (hWndGraphDisplay) ;
|
|
} else {
|
|
// no line availble, just turn it off
|
|
pGraph->HighLightOnOff = FALSE ;
|
|
}
|
|
}
|
|
}
|