Bug 168839 Chart Legend Toggle Visibility does not work correctly for Pie chart in SVG[0001]
Description: Chart Legend Toggle Visibility does not work correctly . Build number: 2.1.2.v20061221-0710 Steps to reproduce: 1. Preview the attached design file. 2. Click the legend. Expected result: Toggle Visibility works correctly. Actual result: Pie slice of different color disappears when being click. Error log: N/A
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/render/BaseRenderer.java
/**
	 * Internally used to simulate a translucent shadow
	 */
	public static final ColorDefinition SHADOW = ColorDefinitionImpl.create( 64,
			64,
			64,
			127 );
	/**
	 * Internally used to darken a tiled image with a translucent dark grey
	 * color
	 */
	protected static final ColorDefinition DARK_GLASS = ColorDefinitionImpl.create( 64,
			64,
			64,
			127 );
	/**
	 * Internally used to brighten a tiled image with a translucent light grey
	 * color
	 */
	protected static final ColorDefinition LIGHT_GLASS = ColorDefinitionImpl.create( 196,
			196,
			196,
			127 );
	/**
	 * Transparency for translucent color. Should between 0 and 100.
	 */
	protected static double OVERRIDE_TRANSPARENCY = 50;
	/**
	 * The associated runtimeContext.
	 */