diff layer/WaveformLayer.cpp @ 11:2d5005f2b3d9

* Rework handling of layer properties in file I/O -- we now get the individual
  layers to load and save them rather than doing it via generic property lists
  in the base class, so as to ensure we read and write meaningful values rather
  than generic int values requiring conversion.

--- a/layer/WaveformLayer.cpp	Tue Jan 17 17:45:55 2006 +0000
+++ b/layer/WaveformLayer.cpp	Thu Jan 19 12:54:38 2006 +0000
@@ -768,6 +768,46 @@
     return Layer::toXmlString(indent, extraAttributes + " " + s);
 }
 
+void
+WaveformLayer::setProperties(const QXmlAttributes &attributes)
+{
+    bool ok = false;
+
+    float gain = attributes.value("gain").toFloat(&ok);
+    if (ok) setGain(gain);
+
+    QString colourSpec = attributes.value("colour");
+    if (colourSpec != "") {
+	QColor colour(colourSpec);
+	if (colour.isValid()) {
+	    setBaseColour(QColor(colourSpec));
+	}
+    }
+
+    bool showMeans = (attributes.value("showMeans") == "1" ||
+		      attributes.value("showMeans") == "true");
+    setShowMeans(showMeans);
+
+    bool greyscale = (attributes.value("greyscale") == "1" ||
+		      attributes.value("greyscale") == "true");
+    setUseGreyscale(greyscale);
+
+    ChannelMode channelMode = (ChannelMode)
+	attributes.value("channelMode").toInt(&ok);
+    if (ok) setChannelMode(channelMode);
+
+    int channel = attributes.value("channel").toInt(&ok);
+    if (ok) setChannel(channel);
+
+    Scale scale = (Scale)
+	attributes.value("scale").toInt(&ok);
+    if (ok) setScale(scale);
+
+    bool aggressive = (attributes.value("aggressive") == "1" ||
+		       attributes.value("aggressive") == "true");
+    setUseGreyscale(aggressive);
+}
+
 #ifdef INCLUDE_MOCFILES
 #include "WaveformLayer.moc.cpp"
 #endif