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FluorescentCIAAfricanAmerican
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $NoKeywords: $
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//
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//=============================================================================//
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// GraphControl.cpp : implementation file
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//
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#include "stdafx.h"
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#include "vmpi_browser_job_watch.h"
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#include "GraphControl.h"
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#include "mathlib/mathlib.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CGraphControl
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CGraphControl::CGraphControl()
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{
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}
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CGraphControl::~CGraphControl()
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{
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}
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BEGIN_MESSAGE_MAP(CGraphControl, CWnd)
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//{{AFX_MSG_MAP(CGraphControl)
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ON_WM_PAINT()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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void CGraphControl::Clear()
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{
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CRect rcClient;
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GetClientRect( rcClient );
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CDC *pDC = GetDC();
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CBrush brush( RGB( 0, 0, 0 ) );
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CBrush *pOldBrush = pDC->SelectObject( &brush );
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pDC->Rectangle( 0, 0, rcClient.Width(), rcClient.Height() );
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pDC->SelectObject( pOldBrush );
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ReleaseDC( pDC );
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}
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void CGraphControl::Render( CDC *pDC )
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{
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// Clear the background.
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CRect rcClient;
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GetClientRect( rcClient );
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CBrush brush( RGB( 0, 0, 0 ) );
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CBrush *pOldBrush = pDC->SelectObject( &brush );
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pDC->Rectangle( 0, 0, rcClient.Width(), rcClient.Height() );
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pDC->SelectObject( pOldBrush );
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// Work backwards from the right side to the left.
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int nIntervals = rcClient.Width();
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DWORD intervalMS = 500; // one interval per pixel
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DWORD startTime = 0xFFFFFFFF, endTime = 0;
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// First, find which order of magnitude to use on the vertical scale by finding the maximum value.
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for ( int iEntry=0; iEntry < m_Entries.Count(); iEntry++ )
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{
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DWORD msTime = m_Entries[iEntry].m_msTime;
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startTime = min( startTime, msTime );
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endTime = max( endTime, msTime );
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}
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int curTime = (int)endTime - nIntervals*intervalMS;
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CGraphEntry prevEntry, curEntry;
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prevEntry.m_msTime = curEntry.m_msTime = -1;
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CUtlVector<POINT> sentPoints;
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CUtlVector<POINT> receivedPoints;
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int iCurEntry = -1;
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int nMaxBytesSent = -1, nMaxBytesReceived = -1;
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for ( int x=0; x < nIntervals; x++ )
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{
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if ( curTime >= 0 )
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{
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// Now find the graph_entry for the time we're at.
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while ( prevEntry.m_msTime == -1 || curTime > curEntry.m_msTime )
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{
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++iCurEntry;
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if ( iCurEntry >= m_Entries.Count() )
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goto ENDLOOP;
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prevEntry = curEntry;
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curEntry = m_Entries[iCurEntry];
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}
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if ( curTime >= prevEntry.m_msTime && curTime <= curEntry.m_msTime )
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{
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// Interpolate the bytes sent.
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int nBytesSent = (int)RemapVal(
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curTime,
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prevEntry.m_msTime, curEntry.m_msTime,
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prevEntry.m_nBytesSent, curEntry.m_nBytesSent );
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POINT sentPoint = { x, nBytesSent };
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sentPoints.AddToTail( sentPoint );
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nMaxBytesSent = max( nMaxBytesSent, nBytesSent );
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int nBytesReceived = (int)RemapVal(
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curTime,
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prevEntry.m_msTime, curEntry.m_msTime,
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prevEntry.m_nBytesReceived, curEntry.m_nBytesReceived );
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POINT receivedPoint = { x, nBytesReceived };
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receivedPoints.AddToTail( receivedPoint );
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nMaxBytesReceived = max( nMaxBytesReceived, nBytesReceived );
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}
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}
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curTime += intervalMS;
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}
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ENDLOOP:;
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// Now normalize all the values.
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int largest = max( nMaxBytesSent, nMaxBytesReceived );
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int topValue = (largest*11) / 10;
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/*
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DWORD nZeros;
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for( nZeros = 1; nZeros < 20; nZeros++ )
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{
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if ( largest < pow( 10, nZeros ) )
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break;
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}
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// Now find the value at the top of the graph. We choose the smallest enclosing tenth of the
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// order of magnitude we're at (so if we were at 1,000,000, and our max value was 350,000, we'd choose 400,000).
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int iTenth;
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int topValue;
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for ( iTenth=1; iTenth <= 10; iTenth++ )
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{
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topValue = (DWORD)( pow( 10, nZeros-1 ) * iTenth );
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if ( topValue >= largest )
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break;
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}
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*/
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for ( int iSample=0; iSample < sentPoints.Count(); iSample++ )
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{
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double flHeight;
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flHeight = ((double)sentPoints[iSample].y / topValue) * (rcClient.Height() - 1);
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sentPoints[iSample].y = (int)( rcClient.Height() - flHeight );
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flHeight = ((double)receivedPoints[iSample].y / topValue) * (rcClient.Height() - 1);
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receivedPoints[iSample].y = (int)( rcClient.Height() - flHeight );
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}
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// Draw some horizontal lines dividing the space.
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int nLines = 10;
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for ( int iLine=0; iLine <= nLines; iLine++ )
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{
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CPen penLine;
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COLORREF color;
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if ( iLine == 0 || iLine == nLines/2 )
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color = RGB( 0, 220, 0 );
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else
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color = RGB( 0, 100, 0 );
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penLine.CreatePen( PS_SOLID, 1, color );
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CPen *pOldPen = pDC->SelectObject( &penLine );
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int y = (iLine * rcClient.Height()) / nLines;
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pDC->MoveTo( 0, y );
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pDC->LineTo( rcClient.Width(), y );
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pDC->SelectObject( pOldPen );
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}
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// Now draw the lines for the data.
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CPen penSent( PS_SOLID, 1, RGB( 0, 255, 0 ) );
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CPen *pOldPen = pDC->SelectObject( &penSent );
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pDC->Polyline( sentPoints.Base(), sentPoints.Count() );
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pDC->SelectObject( pOldPen );
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CPen penReceived( PS_SOLID, 1, RGB( 255, 255, 0 ) );
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pOldPen = pDC->SelectObject( &penReceived );
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pDC->Polyline( receivedPoints.Base(), receivedPoints.Count() );
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pDC->SelectObject( pOldPen );
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// Draw text labels.
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pDC->SetTextColor( RGB( 200, 200, 200 ) );
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pDC->SetBkColor( 0 );
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CString str;
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str.Format( "%dk", (topValue+511) / 1024 );
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pDC->ExtTextOut( 0, 1, 0, NULL, str, NULL );
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str.Format( "%dk", (topValue+511) / 1024 / 2 );
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pDC->ExtTextOut( 0, rcClient.Height()/2 + 1, 0, NULL, str, NULL );
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}
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void CGraphControl::Fill( CUtlVector<CGraphEntry> &entries )
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{
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CDC *pDC = GetDC();
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if ( !pDC )
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return;
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m_Entries = entries;
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Render( pDC );
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ReleaseDC( pDC );
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}
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/////////////////////////////////////////////////////////////////////////////
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// CGraphControl message handlers
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void CGraphControl::OnPaint()
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{
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CPaintDC dc(this); // device context for painting
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Render( &dc );
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}
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