1 files changed, 90 insertions, 0 deletions
diff --git a/ddms/libs/ddmuilib/src/com/android/ddmuilib/log/event/OccurrenceRenderer.java b/ddms/libs/ddmuilib/src/com/android/ddmuilib/log/event/OccurrenceRenderer.java
new file mode 100644
index 0000000..3af1447
--- /dev/null
+++ b/ddms/libs/ddmuilib/src/com/android/ddmuilib/log/event/OccurrenceRenderer.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.ddmuilib.log.event;
+
+import org.jfree.chart.axis.ValueAxis;
+import org.jfree.chart.plot.CrosshairState;
+import org.jfree.chart.plot.PlotOrientation;
+import org.jfree.chart.plot.PlotRenderingInfo;
+import org.jfree.chart.plot.XYPlot;
+import org.jfree.chart.renderer.xy.XYItemRendererState;
+import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
+import org.jfree.data.time.TimeSeriesCollection;
+import org.jfree.data.xy.XYDataset;
+import org.jfree.ui.RectangleEdge;
+
+import java.awt.Graphics2D;
+import java.awt.Paint;
+import java.awt.Stroke;
+import java.awt.geom.Line2D;
+import java.awt.geom.Rectangle2D;
+
+/**
+ * Custom renderer to render event occurrence. This rendered ignores the y value, and simply
+ * draws a line from min to max at the time of the item.
+ */
+public class OccurrenceRenderer extends XYLineAndShapeRenderer {
+
+    private static final long serialVersionUID = 1L;
+
+    @Override
+    public void drawItem(Graphics2D g2, 
+                         XYItemRendererState state,
+                         Rectangle2D dataArea,
+                         PlotRenderingInfo info,
+                         XYPlot plot, 
+                         ValueAxis domainAxis, 
+                         ValueAxis rangeAxis,
+                         XYDataset dataset, 
+                         int series, 
+                         int item,
+                         CrosshairState crosshairState, 
+                         int pass) {
+        TimeSeriesCollection timeDataSet = (TimeSeriesCollection)dataset;
+        
+        // get the x value for the series/item.
+        double x = timeDataSet.getX(series, item).doubleValue();
+
+        // get the min/max of the range axis
+        double yMin = rangeAxis.getLowerBound();
+        double yMax = rangeAxis.getUpperBound();
+
+        RectangleEdge domainEdge = plot.getDomainAxisEdge();
+        RectangleEdge rangeEdge = plot.getRangeAxisEdge();
+
+        // convert the coordinates to java2d.
+        double x2D = domainAxis.valueToJava2D(x, dataArea, domainEdge);
+        double yMin2D = rangeAxis.valueToJava2D(yMin, dataArea, rangeEdge);
+        double yMax2D = rangeAxis.valueToJava2D(yMax, dataArea, rangeEdge);
+
+        // get the paint information for the series/item
+        Paint p = getItemPaint(series, item);
+        Stroke s = getItemStroke(series, item);
+        
+        Line2D line = null;
+        PlotOrientation orientation = plot.getOrientation();
+        if (orientation == PlotOrientation.HORIZONTAL) {
+            line = new Line2D.Double(yMin2D, x2D, yMax2D, x2D);
+        }
+        else if (orientation == PlotOrientation.VERTICAL) {
+            line = new Line2D.Double(x2D, yMin2D, x2D, yMax2D);
+        }
+        g2.setPaint(p);
+        g2.setStroke(s);
+        g2.draw(line);
+    }
+}