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List:       kde-commits
Subject:    KDE/kdebase/workspace/ksysguard/gui/SensorDisplayLib
From:       John Tapsell <john.tapsell () kdemail ! net>
Date:       2009-10-23 9:24:02
Message-ID: 1256289842.443829.27720.nullmailer () svn ! kde ! org
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SVN commit 1039365 by johnflux:

Draw the fill better, properly aligning with xaxis and drawing in the background


 M  +6 -2      SignalPlotter.cc  


--- trunk/KDE/kdebase/workspace/ksysguard/gui/SensorDisplayLib/SignalPlotter.cc #1039364:1039365
@@ -850,6 +850,9 @@
     float y0 = 0;
     float y1 = 0;
     float y2 = 0;
+    qreal xaxis = boundingBox.bottom();
+    if( mNiceMinValue < 0)
+       xaxis = qMax(xaxis + mNiceMinValue*scaleFac, qreal(boundingBox.top()));
     for (int j =  qMin(datapoints.size(), mBeamColors.size())-1; j >=0 ; --j) {
         if(!mStackBeams)
             y0 = y1 = y2 = 0;
@@ -877,8 +880,9 @@
         p->setPen(pen);
         p->drawPath(path);
         if(mFillOpacity) {
-            path.lineTo(x0,boundingBox.bottom());
-            path.lineTo(x1,boundingBox.bottom());
+            p->setCompositionMode(QPainter::CompositionMode_DestinationOver);
+            path.lineTo(x0, xaxis);
+            path.lineTo(x1, xaxis);
             path.lineTo(x1,y1);
             QColor fillColor = mBeamColors[j];
             fillColor.setAlpha(mFillOpacity);
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