Bug 128590 Tooltip of chart didn't show completely.
Description: Tooltip of chart didn't show completely. Steps to reproduce: 1. Preview attached report. 2. Move mouse from bottom/right into the chart. Expected result: Tooltip shows. Actual result: Tooltip didn't show completely.
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGRendererImpl.java
import java.util.Vector;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.eclipse.birt.chart.computation.DataPointHints;
import org.eclipse.birt.chart.device.IDeviceRenderer;
import org.eclipse.birt.chart.device.IUpdateNotifier;
import org.eclipse.birt.chart.device.extension.i18n.Messages;
import org.eclipse.birt.chart.device.plugin.ChartDeviceExtensionPlugin;
import org.eclipse.birt.chart.device.svg.plugin.ChartDeviceSVGPlugin;
import org.eclipse.birt.chart.device.swing.SwingRendererImpl;
import org.eclipse.birt.chart.event.ArcRenderEvent;
import org.eclipse.birt.chart.event.AreaRenderEvent;
import org.eclipse.birt.chart.event.ImageRenderEvent;
import org.eclipse.birt.chart.event.InteractionEvent;
import org.eclipse.birt.chart.event.LineRenderEvent;
import org.eclipse.birt.chart.event.OvalRenderEvent;
import org.eclipse.birt.chart.event.PolygonRenderEvent;
import org.eclipse.birt.chart.event.PrimitiveRenderEvent;
import org.eclipse.birt.chart.event.RectangleRenderEvent;
import org.eclipse.birt.chart.event.StructureChangeEvent;
import org.eclipse.birt.chart.event.StructureSource;
import org.eclipse.birt.chart.event.StructureType;
import org.eclipse.birt.chart.event.TextRenderEvent;
import org.eclipse.birt.chart.event.WrappedStructureSource;
import org.eclipse.birt.chart.exception.ChartException;
import org.eclipse.birt.chart.log.ILogger;