1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.custom.graphicimagedynamic;
20
21 import org.apache.myfaces.custom.dynamicResources.ResourceRenderer;
22
23 /**
24 * The ImageRenderer is used to render the binary data for a html img tag
25 * Implementions must have a default constructor
26 *
27 * @author Mathias Broekelmann
28 * @version $Revision: 673833 $ $Date: 2008-07-03 16:58:05 -0500 (Thu, 03 Jul 2008) $
29 */
30 public interface ImageRenderer extends ResourceRenderer
31 {
32 /**
33 * This method will be called first, to set the contexts.
34 *
35 * @param facesContext the faces context
36 * @param imageContext the image context width aditional image parameters
37 *
38 void setContext(FacesContext facesContext, ImageContext imageContext) throws Exception;
39 */
40 /**
41 * Called to render the image to the given outputstream.
42 *
43 * @param out the outputstream which is used to write the binary data of the image
44 *
45 * @throws IOException
46 *
47 void renderImage(ResponseStream out) throws IOException;
48 */
49 }