comparison layer/TimeValueLayer.h @ 1324:13d9b422f7fe zoom

Merge from default branch

     published by the Free Software Foundation; either version 2 of the
     License, or (at your option) any later version.  See the file
     COPYING included with this distribution for more information.
 */
 
-#ifndef _TIME_VALUE_LAYER_H_
-#define _TIME_VALUE_LAYER_H_
+#ifndef SV_TIME_VALUE_LAYER_H
+#define SV_TIME_VALUE_LAYER_H
 
 #include "SingleColourLayer.h"
 #include "VerticalScaleLayer.h"
 #include "ColourScaleLayer.h"
 

 
     virtual QString getFeatureDescription(LayerGeometryProvider *v, QPoint &) const;
     virtual QString getLabelPreceding(sv_frame_t) const;
 
     virtual bool snapToFeatureFrame(LayerGeometryProvider *v, sv_frame_t &frame,
-				    int &resolution,
-				    SnapType snap) const;
+                                    int &resolution,
+                                    SnapType snap) const;
     virtual bool snapToSimilarFeature(LayerGeometryProvider *v, sv_frame_t &frame,
                                       int &resolution,
                                       SnapType snap) const;
 
     virtual void drawStart(LayerGeometryProvider *v, QMouseEvent *);

     virtual PropertyType getPropertyType(const PropertyName &) const;
     virtual QString getPropertyGroupName(const PropertyName &) const;
     virtual int getPropertyRangeAndValue(const PropertyName &,
                                          int *min, int *max, int *deflt) const;
     virtual QString getPropertyValueLabel(const PropertyName &,
-					  int value) const;
+                                          int value) const;
     virtual void setProperty(const PropertyName &, int value);
 
     void setFillColourMap(int);
     int getFillColourMap() const { return m_colourMap; }
 
     enum PlotStyle {
-	PlotPoints,
-	PlotStems,
-	PlotConnectedPoints,
-	PlotLines,
-	PlotCurve,
-	PlotSegmentation,
+        PlotPoints,
+        PlotStems,
+        PlotConnectedPoints,
+        PlotLines,
+        PlotCurve,
+        PlotSegmentation,
         PlotDiscreteCurves
     };
 
     void setPlotStyle(PlotStyle style);
     PlotStyle getPlotStyle() const { return m_plotStyle; }

     virtual void toXml(QTextStream &stream, QString indent = "",
                        QString extraAttributes = "") const;
 
     void setProperties(const QXmlAttributes &attributes);
 
+    /// Override from SingleColourLayer
     virtual ColourSignificance getLayerColourSignificance() const {
         if (m_plotStyle == PlotSegmentation) {
             return ColourHasMeaningfulValue;
         } else {
             return ColourDistinguishes;
+        }
+    }
+
+    /// Override from SingleColourLayer
+    virtual bool hasLightBackground() const {
+        if (m_plotStyle == PlotSegmentation) {
+            return true;
+        } else {
+            return SingleColourLayer::hasLightBackground();
         }
     }
 
     /// VerticalScaleLayer and ColourScaleLayer methods
     virtual int getYForValue(LayerGeometryProvider *, double value) const;