Source Code Cross Referenced for TIFFRenderer.java in  » Graphic-Library » fop » org » apache » fop » render » bitmap » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Graphic Library » fop » org.apache.fop.render.bitmap 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Licensed to the Apache Software Foundation (ASF) under one or more
003:         * contributor license agreements.  See the NOTICE file distributed with
004:         * this work for additional information regarding copyright ownership.
005:         * The ASF licenses this file to You under the Apache License, Version 2.0
006:         * (the "License"); you may not use this file except in compliance with
007:         * the License.  You may obtain a copy of the License at
008:         *
009:         *      http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         * Unless required by applicable law or agreed to in writing, software
012:         * distributed under the License is distributed on an "AS IS" BASIS,
013:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         * See the License for the specific language governing permissions and
015:         * limitations under the License.
016:         */
017:
018:        /* $Id: TIFFRenderer.java 542237 2007-05-28 14:31:24Z jeremias $ */
019:
020:        package org.apache.fop.render.bitmap;
021:
022:        // Code originaly contributed by Oleg Tkachenko of Multiconn International Ltd
023:        // (olegt@multiconn.com).
024:
025:        import java.awt.image.BufferedImage;
026:        import java.awt.image.DataBuffer;
027:        import java.awt.image.PixelInterleavedSampleModel;
028:        import java.awt.image.RenderedImage;
029:        import java.awt.image.SampleModel;
030:        import java.awt.image.SinglePixelPackedSampleModel;
031:        import java.io.IOException;
032:        import java.io.OutputStream;
033:        import java.util.Iterator;
034:
035:        import org.apache.commons.logging.Log;
036:
037:        import org.apache.xmlgraphics.image.GraphicsUtil;
038:        import org.apache.xmlgraphics.image.rendered.FormatRed;
039:        import org.apache.xmlgraphics.image.writer.ImageWriter;
040:        import org.apache.xmlgraphics.image.writer.ImageWriterParams;
041:        import org.apache.xmlgraphics.image.writer.ImageWriterRegistry;
042:        import org.apache.xmlgraphics.image.writer.MultiImageWriter;
043:
044:        import org.apache.fop.apps.FOPException;
045:        import org.apache.fop.apps.FOUserAgent;
046:        import org.apache.fop.apps.MimeConstants;
047:        import org.apache.fop.render.java2d.Java2DRenderer;
048:
049:        /**
050:         * <p>
051:         * This class represents renderer to TIFF (Tagged Image File Format) format. It
052:         * is one of the most popular and flexible of the current public domain raster
053:         * file formats, which was is primarily designed for raster data interchange.
054:         * Supported compression types are:
055:         * <ul>
056:         * <li>Raw noncompressed data</li>
057:         * <li>Byte-oriented run-length encoding "PackBits" compression.</li>
058:         * <li>Modified Huffman Compression (CCITT Group 3 1D facsimile compression)</li>
059:         * <li>CCITT T.4 bilevel compression (CCITT Group 3 2D facsimile compression)</li>
060:         * <li>CCITT T.6 bilevel compression (CCITT Group 4 facsimile compression)</li>
061:         * <li>JPEG-in-TIFF compression</li>
062:         * <li>DEFLATE lossless compression (also known as "Zip-in-TIFF")</li>
063:         * <li>LZW compression</li>
064:         * TODO
065:         * <p>
066:         * This class actually does not render itself, instead it extends
067:         * <code>org.apache.fop.render.java2D.Java2DRenderer</code> and just encode
068:         * rendering results into TIFF format using Batik's image codec
069:         */
070:        public class TIFFRenderer extends Java2DRenderer {
071:
072:            /** The MIME type for tiff-Rendering */
073:            public static final String MIME_TYPE = MimeConstants.MIME_TIFF;
074:
075:            //private static final String COMPRESSION_NONE = "NONE";
076:            //private static final String COMPRESSION_JPEG = "JPEG";
077:            public static final String COMPRESSION_PACKBITS = "PackBits";
078:            //private static final String COMPRESSION_DEFLATE = "Deflate";
079:            //private static final String COMPRESSION_LZW = "LZW";
080:            //private static final String COMPRESSION_ZLIB = "ZLib";
081:            public static final String COMPRESSION_CCITT_T6 = "CCITT T.6"; //CCITT Group 4
082:            public static final String COMPRESSION_CCITT_T4 = "CCITT T.4"; //CCITT Group 3
083:
084:            /** ImageWriter parameters */
085:            private ImageWriterParams writerParams;
086:
087:            /** Image Type as parameter for the BufferedImage constructor (see BufferedImage.TYPE_*) */
088:            private int bufferedImageType = BufferedImage.TYPE_INT_ARGB;
089:
090:            private OutputStream outputStream;
091:
092:            /** @see org.apache.fop.render.AbstractRenderer */
093:            public String getMimeType() {
094:                return MIME_TYPE;
095:            }
096:
097:            /** Creates TIFF renderer. */
098:            public TIFFRenderer() {
099:                writerParams = new ImageWriterParams();
100:                writerParams.setCompressionMethod(COMPRESSION_PACKBITS);
101:            }
102:
103:            /**
104:             * @see org.apache.fop.render.java2d.Java2DRenderer#setUserAgent(
105:             *          org.apache.fop.apps.FOUserAgent)
106:             */
107:            public void setUserAgent(FOUserAgent foUserAgent) {
108:                super .setUserAgent(foUserAgent);
109:
110:                //Set target resolution
111:                int dpi = Math.round(userAgent.getTargetResolution());
112:                writerParams.setResolution(dpi);
113:            }
114:
115:            /** @see org.apache.fop.render.Renderer#startRenderer(java.io.OutputStream) */
116:            public void startRenderer(OutputStream outputStream)
117:                    throws IOException {
118:                this .outputStream = outputStream;
119:                super .startRenderer(outputStream);
120:            }
121:
122:            /** @see org.apache.fop.render.Renderer#stopRenderer() */
123:            public void stopRenderer() throws IOException {
124:                super .stopRenderer();
125:                log.debug("Starting TIFF encoding ...");
126:
127:                // Creates lazy iterator over generated page images
128:                Iterator pageImagesItr = new LazyPageImagesIterator(
129:                        getNumberOfPages(), log);
130:
131:                // Creates writer
132:                ImageWriter writer = ImageWriterRegistry.getInstance()
133:                        .getWriterFor(getMimeType());
134:                if (writer == null) {
135:                    throw new NullPointerException("No ImageWriter for "
136:                            + getMimeType() + " available!");
137:                }
138:                if (writer.supportsMultiImageWriter()) {
139:                    MultiImageWriter multiWriter = writer
140:                            .createMultiImageWriter(outputStream);
141:                    try {
142:                        // Write all pages/images
143:                        while (pageImagesItr.hasNext()) {
144:                            RenderedImage img = (RenderedImage) pageImagesItr
145:                                    .next();
146:                            multiWriter.writeImage(img, writerParams);
147:                        }
148:                    } finally {
149:                        multiWriter.close();
150:                    }
151:                } else {
152:                    writer.writeImage((RenderedImage) pageImagesItr.next(),
153:                            outputStream, writerParams);
154:                    if (pageImagesItr.hasNext()) {
155:                        log
156:                                .error("Image encoder does not support multiple images. Only the first page"
157:                                        + " has been produced.");
158:                    }
159:                }
160:
161:                // Cleaning
162:                outputStream.flush();
163:                clearViewportList();
164:                log.debug("TIFF encoding done.");
165:            }
166:
167:            /** @see org.apache.fop.render.java2d.Java2DRenderer#getBufferedImage(int, int) */
168:            protected BufferedImage getBufferedImage(int bitmapWidth,
169:                    int bitmapHeight) {
170:                return new BufferedImage(bitmapWidth, bitmapHeight,
171:                        bufferedImageType);
172:            }
173:
174:            /** Private inner class to lazy page rendering. */
175:            private class LazyPageImagesIterator implements  Iterator {
176:                /** logging instance */
177:                private Log log;
178:
179:                private int count;
180:
181:                private int current = 0;
182:
183:                /**
184:                 * Main constructor
185:                 * @param c number of pages to iterate over
186:                 * @param log the logger to use (this is a hack so this compiles under JDK 1.3)
187:                 */
188:                public LazyPageImagesIterator(int c, Log log) {
189:                    count = c;
190:                    this .log = log;
191:                }
192:
193:                public boolean hasNext() {
194:                    return current < count;
195:                }
196:
197:                public Object next() {
198:                    if (log.isDebugEnabled()) {
199:                        log.debug("[" + (current + 1) + "]");
200:                    }
201:
202:                    // Renders current page as image
203:                    BufferedImage pageImage = null;
204:                    try {
205:                        pageImage = getPageImage(current++);
206:                    } catch (FOPException e) {
207:                        log.error(e);
208:                        return null;
209:                    }
210:
211:                    if (COMPRESSION_CCITT_T4.equalsIgnoreCase(writerParams
212:                            .getCompressionMethod())
213:                            || COMPRESSION_CCITT_T6
214:                                    .equalsIgnoreCase(writerParams
215:                                            .getCompressionMethod())) {
216:                        return pageImage;
217:                    } else {
218:                        //Decorate the image with a packed sample model for encoding by the codec
219:                        SinglePixelPackedSampleModel sppsm;
220:                        sppsm = (SinglePixelPackedSampleModel) pageImage
221:                                .getSampleModel();
222:
223:                        int bands = sppsm.getNumBands();
224:                        int[] off = new int[bands];
225:                        int w = pageImage.getWidth();
226:                        int h = pageImage.getHeight();
227:                        for (int i = 0; i < bands; i++) {
228:                            off[i] = i;
229:                        }
230:                        SampleModel sm = new PixelInterleavedSampleModel(
231:                                DataBuffer.TYPE_BYTE, w, h, bands, w * bands,
232:                                off);
233:
234:                        RenderedImage rimg = new FormatRed(GraphicsUtil
235:                                .wrap(pageImage), sm);
236:                        return rimg;
237:                    }
238:                }
239:
240:                public void remove() {
241:                    throw new UnsupportedOperationException(
242:                            "Method 'remove' is not supported.");
243:                }
244:            }
245:
246:            public void setBufferedImageType(int bufferedImageType) {
247:                this .bufferedImageType = bufferedImageType;
248:            }
249:
250:            public ImageWriterParams getWriterParams() {
251:                return writerParams;
252:            }
253:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.