Bug 145144 SVG Interactivity cannot highlight gradient colors
Create any SVG Chart with gradient colors on the series palette. Add interactivity on series to highlight them on mouseover for instance (or mouse click) The highlight doesn't work. It works for plain colors only.
chart/org.eclipse.birt.chart.device.svg/src/org/eclipse/birt/chart/device/svg/SVGGraphics2D.java
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.RenderingHints.Key;
import java.awt.font.FontRenderContext;
import java.awt.font.GlyphVector;
import java.awt.font.TextAttribute;
import java.awt.geom.AffineTransform;
import java.awt.geom.PathIterator;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.awt.image.BufferedImageOp;
import java.awt.image.ImageObserver;
import java.awt.image.RenderedImage;
import java.awt.image.renderable.RenderableImage;
import java.text.AttributedCharacterIterator;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Stack;
import org.eclipse.birt.chart.device.svg.i18n.Messages;
import org.eclipse.birt.chart.log.ILogger;
import org.eclipse.birt.chart.log.Logger;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
/**
 * This class provides the graphic context to draw primitive svg drawing
 * elements such as lines, rectangles, polygons, etc.
 */
public class SVGGraphics2D extends Graphics2D