Bug 104986 Backgound image uses an absolute path
Currently Chart uses an absolute path to indicate a backgournd image, that may cause the design unusable on other environments. Expected the background image can be definded in multiple ways like in report designer. e.g. URI(absolute path), File(relative path), Embedded Image(Encoded Image Data).
chart/org.eclipse.birt.chart.engine/src/org/eclipse/birt/chart/model/attribute/AttributePackage.java
*/
	EAttribute getColorDefinition_Green( );
	/**
	 * Returns the meta object for class '{@link org.eclipse.birt.chart.model.attribute.DataPoint <em>Data Point</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for class '<em>Data Point</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.DataPoint
	 * @generated
	 */
	EClass getDataPoint( );
	/**
	 * Returns the meta object for the containment reference list '{@link org.eclipse.birt.chart.model.attribute.DataPoint#getComponents <em>Components</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the containment reference list '<em>Components</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.DataPoint#getComponents()
	 * @see #getDataPoint()
	 * @generated
	 */
	EReference getDataPoint_Components( );
	/**
	 * Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.attribute.DataPoint#getPrefix <em>Prefix</em>}'.
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * @return the meta object for the attribute '<em>Prefix</em>'.
	 * @see org.eclipse.birt.chart.model.attribute.DataPoint#getPrefix()
	 * @see #getDataPoint()
	 * @generated
	 */
	EAttribute getDataPoint_Prefix( );
	/**
	 * Returns the meta object for the attribute '{@link org.eclipse.birt.chart.model.attribute.DataPoint#getSuffix <em>Suffix</em>}'.