| /* |
| |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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 org.apache.batik.svggen; |
| |
| import java.awt.Composite; |
| import java.awt.Paint; |
| import java.awt.Rectangle; |
| import java.awt.image.BufferedImageOp; |
| |
| /** |
| * The ExtensionHandler interface allows the user to handle |
| * Java 2D API extensions that map to SVG concepts (such as custom |
| * Paints, Composites or BufferedImageOp filters). |
| * |
| * @author <a href="mailto:vincent.hardy@eng.sun.com">Vincent Hardy</a> |
| * @version $Id$ |
| */ |
| public interface ExtensionHandler { |
| /** |
| * @param paint Custom Paint to be converted to SVG |
| * @param generatorContext allows the handler to build DOM objects as needed. |
| * @return an SVGPaintDescriptor |
| */ |
| SVGPaintDescriptor handlePaint(Paint paint, |
| SVGGeneratorContext generatorContext); |
| |
| /** |
| * @param composite Custom Composite to be converted to SVG. |
| * @param generatorContext allows the handler to build DOM objects as needed. |
| * @return an SVGCompositeDescriptor which contains a valid SVG filter, |
| * or null if the composite cannot be handled |
| * |
| */ |
| SVGCompositeDescriptor handleComposite(Composite composite, |
| SVGGeneratorContext generatorContext); |
| |
| /** |
| * @param filter Custom filter to be converted to SVG. |
| * @param filterRect Rectangle, in device space, that defines the area |
| * to which filtering applies. May be null, meaning that the |
| * area is undefined. |
| * @param generatorContext allows the handler to build DOM objects as needed. |
| * @return an SVGFilterDescriptor which contains a valid SVG filter, |
| * or null if the composite cannot be handled |
| */ |
| SVGFilterDescriptor handleFilter(BufferedImageOp filter, |
| Rectangle filterRect, |
| SVGGeneratorContext generatorContext); |
| } |