[Sv1-commits] SF.net SVN: sv1:[1674] sonic-visualiser/trunk/layer/TimeValueLayer.cpp

[<ca...@us...>]

Revision: 1674
          http://sv1.svn.sourceforge.net/sv1/?rev=1674&view=rev
Author:   cannam
Date:     2010-01-29 13:54:25 +0000 (Fri, 29 Jan 2010)

Log Message:
-----------

* Add origin line (y=0) to time-value layer

Modified Paths:
--------------
    sonic-visualiser/trunk/layer/TimeValueLayer.cpp

Modified: sonic-visualiser/trunk/layer/TimeValueLayer.cpp
===================================================================
--- sonic-visualiser/trunk/layer/TimeValueLayer.cpp	2010-01-28 16:46:04 UTC (rev 1673)
+++ sonic-visualiser/trunk/layer/TimeValueLayer.cpp	2010-01-29 13:54:25 UTC (rev 1674)
@@ -905,6 +905,14 @@
     int textY = 0;
     if (m_plotStyle == PlotSegmentation) {
         textY = v->getTextLabelHeight(this, paint);
+    } else {
+        int originY = getYForValue(v, 0.f);
+        if (originY > 0 && originY < v->height()) {
+            paint.save();
+            paint.setPen(getPartialShades(v)[1]);
+            paint.drawLine(x0, originY, x1, originY);
+            paint.restore();
+        }
     }
     
     for (SparseTimeValueModel::PointList::const_iterator i = points.begin();


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