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added some more graph code

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This commit is contained in:
Volker Fischer 2009-06-05 15:46:39 +00:00
parent c49434e3b6
commit 86d0f1e1b8
1 changed files with 22 additions and 1 deletions
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23
src/serverlogging.cpp
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@ -50,7 +50,10 @@ CServerLogging::CServerLogging() :
const QColor PlotFrameColor ( Qt::black ); // black frame
const QColor PlotGridColor ( Qt::gray ); // gray grid
const QColor PlotTextColor ( Qt::black ); // black text
const QColor PlotMarkerColor ( Qt::red ); // red marker
// get current date (this is the right edge of the x-axis)
const QDate curDate = QDate::currentDate();
// create base pixmap for plot
QRect PlotCanvasRect ( QPoint ( 0, 0 ), QPoint ( iPlotWidth, iPlotHeight ) );
@ -86,7 +89,7 @@ CServerLogging::CServerLogging() :
PlotPainter.drawText (
QPoint ( iCurX - iTextOffsetX,
PlotGridFrame.bottom() + iYAxisTextHeight + iTextOffsetToGrid ),
QDate::currentDate().addDays ( i - iNumTicksX + 1 ).toString ( "dd.MM." ) );
curDate.addDays ( i - iNumTicksX + 1 ).toString ( "dd.MM." ) );
}
// grid
@ -123,6 +126,24 @@ CServerLogging::CServerLogging() :
// TEST add some points in the graph
const QDate testDate = QDate::currentDate().addDays ( -3 );
const QTime testTime = QTime ( 18, 0, 0, 0 );
const int iXAxisOffs = curDate.daysTo ( testDate );
const int iYAxisOffs = 24 - testTime.hour();
const QPoint curPoint (
PlotGridFrame.x() + PlotGridFrame.width() / iNumTicksX * ( iNumTicksX + iXAxisOffs ),
PlotGridFrame.y() + PlotGridFrame.height() / ( iYAxisEnd - iYAxisStart ) * iYAxisOffs );
PlotPainter.setPen ( QPen ( QBrush ( PlotMarkerColor ), 9 ) );
PlotPainter.drawPoint ( curPoint );
// save plot as a file
PlotPixmap.save ( "test.jpg", "JPG", 90 );