<value>Fop 0.16.0 dev</value>
</entry>
-</configuration>
\ No newline at end of file
+ <!-- stream-filter-list provides the default filters that are applied to all
+ stream objects within the PDF file. These are normally used for
+ compression -->
+ <entry role="pdf">
+ <key>stream-filter-list</key>
+ <list>
+ <!-- provides compression using zlib flate (default is on)-->
+ <value>flate</value>
+
+ <!-- encodes binary data into printable ascii characters (default off)
+ This provides about a 4:5 expansion of data size -->
+ <!-- <value>ascii-85</value> -->
+
+ <!-- encodes binary data with hex representation (default off)
+ This filter is not recommended as it doubles the data size -->
+ <!-- <value>ascii-hex</value> -->
+ </list>
+ </entry>
+</configuration>
import org.xml.sax.SAXParseException;
// Java
-import java.io.FileReader;
-import java.io.File;
-import java.io.FileWriter;
-import java.io.PrintWriter;
-import java.io.IOException;
-import java.io.FileNotFoundException;
+import java.io.*;
import java.net.URL;
// FOP
driver.addElementMapping("org.apache.fop.svg.SVGElementMapping");
driver.addPropertyList("org.apache.fop.fo.StandardPropertyListMapping");
driver.addPropertyList("org.apache.fop.svg.SVGPropertyListMapping");
- driver.setWriter(new PrintWriter(new FileWriter(pdffile)));
+ driver.setOutputStream(new FileOutputStream(pdffile));
driver.buildFOTree(parser, fileInputSource(fofile));
driver.format();
driver.render();
import org.xml.sax.SAXParseException;
// Java
-import java.io.FileReader;
-import java.io.File;
-import java.io.FileWriter;
-import java.io.PrintWriter;
-import java.io.IOException;
-import java.io.FileNotFoundException;
+import java.io.*;
import java.net.URL;
-import java.io.InputStream;
// FOP
driver.addPropertyList("org.apache.fop.svg.SVGPropertyListMapping");
driver.buildFOTree(parser, fileInputSource(foFile));
driver.format();
- driver.setWriter(new PrintWriter(new FileWriter(pdfFile)));
+ driver.setOutputStream(new FileOutputStream(pdfFile));
driver.render();
} catch (Exception e) {
MessageHandler.errorln("FATAL ERROR: " + e.getMessage());
import org.xml.sax.helpers.AttributesImpl;
// Java
-import java.io.PrintWriter;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.File;
+import java.io.*;
+
/**
* <P>Primary class that drives overall FOP process.
* driver.addElementMapping("org.apache.fop.svg.SVGElementMapping");
* driver.addPropertyList("org.apache.fop.fo.StandardPropertyListMapping");
* driver.addPropertyList("org.apache.fop.svg.SVGPropertyListMapping");
- * driver.setWriter(new PrintWriter(new FileWriter(args[1])));
+ * driver.setOutputStream(new FileOutputStream(args[1]));
* driver.buildFOTree(parser, fileInputSource(args[0]));
* driver.format();
* driver.render();
/** the renderer to use to output the area tree */
protected Renderer renderer;
- /** the PrintWriter to use to output the results of the renderer */
- protected PrintWriter writer;
+ /** the stream to use to output the results of the renderer */
+ protected OutputStream stream;
/** If true, full error stacks are reported */
protected boolean errorDump = false;
}
-
/**
- * set the PrintWriter to use to output the result of the Renderer
- * (if applicable)
- */
- public void setWriter(PrintWriter writer) {
- this.writer = writer;
+ * set the OutputStream to use to output the result of the Renderer
+ * (if applicable)
+ */
+ public void setOutputStream(OutputStream stream) {
+ this.stream = stream;
}
/**
* render the area tree to the output form
*/
public void render() throws IOException, FOPException {
- this.renderer.render(areaTree, this.writer);
+ this.renderer.render(areaTree, this.stream);
}
/**
import java.awt.Graphics;
import java.awt.print.*;
-import java.io.PrintWriter;
+import java.io.OutputStream;
import java.io.IOException;
import java.util.Vector;
}
}
- public void render(AreaTree areaTree, PrintWriter writer) throws IOException {
+ public void render(AreaTree areaTree, OutputStream stream) throws IOException {
tree = areaTree;
if (endNumber == -1) {
endNumber = tree.getPages().size();
import org.xml.sax.SAXParseException;
// Java
-import java.io.File;
-import java.io.FileReader;
-import java.io.FileWriter;
-import java.io.PrintWriter;
-import java.io.IOException;
-import java.io.FileNotFoundException;
+import java.io.*;
import java.net.URL;
/**
driver.addElementMapping("org.apache.fop.svg.SVGElementMapping");
driver.addPropertyList("org.apache.fop.fo.StandardPropertyListMapping");
driver.addPropertyList("org.apache.fop.svg.SVGPropertyListMapping");
- driver.setWriter(new PrintWriter(new FileWriter(args[2])));
+ driver.setOutputStream(new FileOutputStream(args[2]));
driver.buildFOTree(xslProcessor, fileInputSource(args[0]));
driver.format();
driver.render();
// Java
-import java.io.FileReader;
-import java.io.File;
-import java.io.StringWriter;
-import java.io.StringReader;
-import java.io.FileWriter;
-import java.io.PrintWriter;
-import java.io.BufferedWriter;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.FileNotFoundException;
+import java.io.*;
import java.net.URL;
// Xalan
driver.addElementMapping("org.apache.fop.svg.SVGElementMapping");
driver.addPropertyList("org.apache.fop.fo.StandardPropertyListMapping");
driver.addPropertyList("org.apache.fop.svg.SVGPropertyListMapping");
- PrintWriter pwriter = new PrintWriter(
- new BufferedWriter(new FileWriter(pdfFile)));
- driver.setWriter(pwriter);
+ OutputStream stream = new BufferedOutputStream(new FileOutputStream(pdfFile));
+ driver.setOutputStream(stream);
driver.buildFOTree(parser, new InputSource(reader));
reader.close();
driver.format();
if (usefile) {
new File (pdfFile + ".tmp").delete();
}
- pwriter.flush();
- pwriter.close();
+ stream.flush();
+ stream.close();
}
catch (Exception e) {
MessageHandler.errorln("FATAL ERROR: " + e.getMessage());
HyphenationTree hTree = getFopHyphenationTree(key);
if (hTree == null) {
- String hyphenDir = StandardConfiguration.getStringValue("hyphenation-dir");
+ String hyphenDir = Configuration.getStringValue("hyphenation-dir");
if (hyphenDir != null){
hTree = getUserHyphenationTree(key,hyphenDir);
}
--- /dev/null
+/*-- $Id$ --
+
+ ============================================================================
+ The Apache Software License, Version 1.1
+ ============================================================================
+
+ Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without modifica-
+ tion, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. The end-user documentation included with the redistribution, if any, must
+ include the following acknowledgment: "This product includes software
+ developed by the Apache Software Foundation (http://www.apache.org/)."
+ Alternately, this acknowledgment may appear in the software itself, if
+ and wherever such third-party acknowledgments normally appear.
+
+ 4. The names "Fop" and "Apache Software Foundation" must not be used to
+ endorse or promote products derived from this software without prior
+ written permission. For written permission, please contact
+ apache@apache.org.
+
+ 5. Products derived from this software may not be called "Apache", nor may
+ "Apache" appear in their name, without prior written permission of the
+ Apache Software Foundation.
+
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
+ INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
+ DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ This software consists of voluntary contributions made by many individuals
+ on behalf of the Apache Software Foundation and was originally created by
+ James Tauber <jtauber@jtauber.com>. For more information on the Apache
+ Software Foundation, please see <http://www.apache.org/>.
+
+ */
+package org.apache.fop.pdf;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+public class ASCII85Filter extends PDFFilter
+{
+ private static final char ASCII85_ZERO = 'z';
+ private static final char ASCII85_START = '!';
+ private static final String ASCII85_EOD = "~>";
+
+ private static final long base85_4 = 85;
+ private static final long base85_3 = base85_4 * base85_4;
+ private static final long base85_2 = base85_3 * base85_4;
+ private static final long base85_1 = base85_2 * base85_4;
+
+
+
+ public String getName()
+ {
+ return "/ASCII85Decode";
+ }
+
+ public String getDecodeParms()
+ {
+ return null;
+ }
+
+ public byte[] encode(byte[] data)
+ {
+
+ StringBuffer buffer = new StringBuffer();
+ int i;
+ int total = 0;
+ int diff = 0;
+
+ for (i = 0; i+3 < data.length; i+=4) {
+ byte b1 = data[i];
+ byte b2 = data[i+1];
+ byte b3 = data[i+2];
+ byte b4 = data[i+3];
+
+ long val = ((b1 << 24) & 0xff000000L)
+ + ((b2 << 16) & 0xff0000L)
+ + ((b3 << 8) & 0xff00L)
+ + (b4 & 0xffL);
+ String conv = convertLong(val);
+
+ buffer.append(conv);
+
+
+ }
+
+
+ if (i < data.length) {
+ int n = data.length - i;
+ byte b1,b2,b3,b4;
+ b1 = data[i++];
+ if (i < data.length) {
+ b2 = data[i++];
+ }
+ else {
+ b2 = 0;
+ }
+ if (i < data.length) {
+ b3 = data[i++];
+ }
+ else {
+ b3 = 0;
+ }
+ // assert i = data.length
+ b4 = 0;
+
+ long val = ((b1 << 24) & 0xff000000L)
+ + ((b2 << 16) & 0xff0000L)
+ + ((b3 << 8) & 0xff00L)
+ + (b4 & 0xffL);
+ String converted = convertLong(val);
+
+ // special rule for handling zeros at the end
+ if (val == 0) {
+ converted = "!!!!!";
+ }
+ buffer.append(converted.substring(0,n));
+ }
+ buffer.append(ASCII85_EOD);
+ return buffer.toString().getBytes();
+
+ }
+
+ private String convertLong(long val)
+ {
+ val = val & 0xffffffff;
+ if (val < 0) {
+ val = -val;
+ }
+
+ if (val == 0) {
+ return new Character(ASCII85_ZERO).toString();
+ }
+ else {
+ byte c1 = (byte)((val / base85_1) & 0xFF);
+ byte c2 = (byte)(((val - (c1 * base85_1)) / base85_2) & 0xFF);
+ byte c3 = (byte)(((val
+ - (c1 * base85_1)
+ - (c2 * base85_2)
+ ) / base85_3) & 0xFF);
+ byte c4 = (byte)(((val
+ - (c1 * base85_1)
+ - (c2 * base85_2)
+ - (c3 * base85_3)
+ ) / base85_4) & 0xFF);
+ byte c5 = (byte)(((val
+ - (c1 * base85_1)
+ - (c2 * base85_2)
+ - (c3 * base85_3)
+ - (c4 * base85_4))) & 0xFF);
+
+ char[] ret = {(char)(c1+ASCII85_START),
+ (char)(c2+ASCII85_START),
+ (char)(c3+ASCII85_START),
+ (char)(c4+ASCII85_START),
+ (char)(c5+ASCII85_START)};
+ for (int i = 0; i< ret.length; i++) {
+ if (ret[i] < 33 || ret[i] > 117) {
+ System.out.println("illegal char value "+new Integer(ret[i]));
+ }
+ }
+
+ return new String(ret);
+
+ }
+ }
+
+}
--- /dev/null
+/*-- $Id$ --
+
+ ============================================================================
+ The Apache Software License, Version 1.1
+ ============================================================================
+
+ Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without modifica-
+ tion, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. The end-user documentation included with the redistribution, if any, must
+ include the following acknowledgment: "This product includes software
+ developed by the Apache Software Foundation (http://www.apache.org/)."
+ Alternately, this acknowledgment may appear in the software itself, if
+ and wherever such third-party acknowledgments normally appear.
+
+ 4. The names "Fop" and "Apache Software Foundation" must not be used to
+ endorse or promote products derived from this software without prior
+ written permission. For written permission, please contact
+ apache@apache.org.
+
+ 5. Products derived from this software may not be called "Apache", nor may
+ "Apache" appear in their name, without prior written permission of the
+ Apache Software Foundation.
+
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
+ INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
+ DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ This software consists of voluntary contributions made by many individuals
+ on behalf of the Apache Software Foundation and was originally created by
+ James Tauber <jtauber@jtauber.com>. For more information on the Apache
+ Software Foundation, please see <http://www.apache.org/>.
+
+ */
+package org.apache.fop.pdf;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+public class ASCIIHexFilter extends PDFFilter
+{
+ private static final String ASCIIHEX_EOD = ">";
+
+
+ public String getName()
+ {
+ return "/ASCIIHexDecode";
+ }
+
+ public String getDecodeParms()
+ {
+ return null;
+ }
+
+ public byte[] encode(byte[] data)
+ {
+
+ StringBuffer buffer = new StringBuffer();
+ for (int i = 0; i < data.length; i++) {
+ int val = (int) (data[i] & 0xFF);
+ if (val < 16) buffer.append("0");
+ buffer.append(Integer.toHexString(val));
+ }
+ buffer.append(ASCIIHEX_EOD);
+
+ return buffer.toString().getBytes();
+
+ }
+
+}
--- /dev/null
+/*-- $Id$ --
+
+ ============================================================================
+ The Apache Software License, Version 1.1
+ ============================================================================
+
+ Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without modifica-
+ tion, are permitted provided that the following conditions are met:
+
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
+
+ 2. Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+ 3. The end-user documentation included with the redistribution, if any, must
+ include the following acknowledgment: "This product includes software
+ developed by the Apache Software Foundation (http://www.apache.org/)."
+ Alternately, this acknowledgment may appear in the software itself, if
+ and wherever such third-party acknowledgments normally appear.
+
+ 4. The names "Fop" and "Apache Software Foundation" must not be used to
+ endorse or promote products derived from this software without prior
+ written permission. For written permission, please contact
+ apache@apache.org.
+
+ 5. Products derived from this software may not be called "Apache", nor may
+ "Apache" appear in their name, without prior written permission of the
+ Apache Software Foundation.
+
+ THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
+ INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
+ DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+ This software consists of voluntary contributions made by many individuals
+ on behalf of the Apache Software Foundation and was originally created by
+ James Tauber <jtauber@jtauber.com>. For more information on the Apache
+ Software Foundation, please see <http://www.apache.org/>.
+
+ */
+package org.apache.fop.pdf;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.zip.DeflaterOutputStream;
+
+/**
+ * A filter to deflate a stream. Note that the attributes for
+ * prediction, colors, bitsPerComponent, and columns are not supported
+ * when this filter is used to handle the data compression. They are
+ * only valid for externally encoded data such as that from a graphics
+ * file.
+ */
+public class FlateFilter extends PDFFilter {
+
+ public static final int PREDICTION_NONE = 1;
+ public static final int PREDICTION_TIFF2 = 2;
+ public static final int PREDICTION_PNG_NONE = 10;
+ public static final int PREDICTION_PNG_SUB = 11;
+ public static final int PREDICTION_PNG_UP = 12;
+ public static final int PREDICTION_PNG_AVG = 13;
+ public static final int PREDICTION_PNG_PAETH= 14;
+ public static final int PREDICTION_PNG_OPT = 15;
+
+
+ private int _predictor = PREDICTION_NONE;
+ private int _colors;
+ private int _bitsPerComponent;
+ private int _columns;
+
+ public String getName()
+ {
+ return "/FlateDecode";
+ }
+
+ public String getDecodeParms()
+ {
+ if (_predictor > PREDICTION_NONE) {
+ StringBuffer sb = new StringBuffer();
+ sb.append("<< /Predictor ");
+ sb.append(_predictor);
+ if (_colors > 0) {
+ sb.append(" /Colors "+_colors);
+ }
+ if (_bitsPerComponent > 0) {
+ sb.append(" /BitsPerComponent "+_bitsPerComponent);
+ }
+ if (_columns > 0) {
+ sb.append(" /Columns "+_columns);
+ }
+ sb.append(" >> ");
+ return sb.toString();
+ }
+ return null;
+ }
+
+
+ /**
+ * Encode the given data and return it. Note: a side effect of
+ * this method is that it resets the prediction to the default
+ * because these attributes are not supported. So the DecodeParms
+ * should be retrieved after calling this method.
+ */
+ public byte[] encode(byte[] data)
+ {
+ ByteArrayOutputStream outArrayStream = new ByteArrayOutputStream();
+ _predictor = PREDICTION_NONE;
+ try {
+ DeflaterOutputStream compressedStream =
+ new DeflaterOutputStream(outArrayStream);
+ compressedStream.write(data, 0, data.length);
+ compressedStream.flush();
+ compressedStream.close();
+ }
+ catch (IOException e) {
+ org.apache.fop.messaging.MessageHandler.error("Fatal error: "+
+ e.getMessage());
+ e.printStackTrace();
+ }
+
+ return outArrayStream.toByteArray();
+ }
+
+ public void setPredictor(int predictor)
+ throws PDFFilterException
+ {
+ _predictor = predictor;
+
+ }
+
+ public int getPredictor()
+ {
+ return _predictor;
+ }
+
+
+ public void setColors(int colors)
+ throws PDFFilterException
+ {
+ if (_predictor != PREDICTION_NONE) {
+ _colors = colors;
+ }
+ else {
+ throw new PDFFilterException
+ ("Prediction must not be PREDICTION_NONE in order to set Colors");
+ }
+ }
+
+ public int getColors()
+ {
+ return _colors;
+ }
+
+
+ public void setBitsPerComponent(int bits)
+ throws PDFFilterException
+ {
+ if (_predictor != PREDICTION_NONE) {
+ _bitsPerComponent = bits;
+ }
+ else {
+ throw new PDFFilterException
+ ("Prediction must not be PREDICTION_NONE in order to set bitsPerComponent");
+ }
+ }
+
+ public int getBitsPerComponent()
+ {
+ return _bitsPerComponent;
+ }
+
+
+ public void setColumns(int columns)
+ throws PDFFilterException
+ {
+ if (_predictor != PREDICTION_NONE) {
+ _columns = columns;
+ }
+ else {
+ throw new PDFFilterException
+ ("Prediction must not be PREDICTION_NONE in order to set Columns");
+ }
+ }
+
+ public int getColumns()
+ {
+ return _columns;
+ }
+
+
+}
*
* @return the PDF string
*/
- abstract public String toPDF();
+ abstract public byte[] toPDF();
}
*
* @return the PDF string
*/
- public String toPDF() {
+ public byte[] toPDF() {
StringBuffer p = new StringBuffer(this.number + " "
+ this.generation
+ " obj\n[\n");
links.elementAt(i)).referencePDF() + "\n");
}
p = p.append("]\nendobj\n");
- return p.toString();
+ return p.toString().getBytes();
}
/* example
*
* @return the PDF
*/
- public String toPDF() {
+ public byte[] toPDF() {
StringBuffer p = new StringBuffer();
p.append(this.number + " " + this.generation + " obj\n[");
for (int i = 0; i < values.length; i++) {
p.append(values[i]);
}
p.append("]\nendobj\n");
- return p.toString();
+ return p.toString().getBytes();
}
}
+++ /dev/null
-/*
-
- ============================================================================
- The Apache Software License, Version 1.1
- ============================================================================
-
- Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
-
- Redistribution and use in source and binary forms, with or without modifica-
- tion, are permitted provided that the following conditions are met:
-
- 1. Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
-
- 2. Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
-
- 3. The end-user documentation included with the redistribution, if any, must
- include the following acknowledgment: "This product includes software
- developed by the Apache Software Foundation (http://www.apache.org/)."
- Alternately, this acknowledgment may appear in the software itself, if
- and wherever such third-party acknowledgments normally appear.
-
- 4. The names "Fop" and "Apache Software Foundation" must not be used to
- endorse or promote products derived from this software without prior
- written permission. For written permission, please contact
- apache@apache.org.
-
- 5. Products derived from this software may not be called "Apache", nor may
- "Apache" appear in their name, without prior written permission of the
- Apache Software Foundation.
-
- THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
- INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
- DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- This software consists of voluntary contributions made by many individuals
- on behalf of the Apache Software Foundation and was originally created by
- James Tauber <jtauber@jtauber.com>. For more information on the Apache
- Software Foundation, please see <http://www.apache.org/>.
-
- */
-
-//Author: Eric SCHAEFFER
-//Description: Encode a binary stream using PDF filters
-
-package org.apache.fop.pdf;
-
-import org.apache.fop.datatypes.ColorSpace;
-
-// Java
-import java.util.Vector;
-import java.lang.reflect.Array;
-
-import java.io.*;
-
-// compression
-import java.util.zip.Deflater;
-
-public class PDFBinaryStream {
-
- private byte[] m_data = null;
- private int m_dataSize = 0;
- private Vector m_filters = null;
-
- public PDFBinaryStream() {
- m_filters = new Vector();
- }
-
- public void setData(byte[] data) {
- this.m_data = data;
- this.m_dataSize = java.lang.reflect.Array.getLength(this.m_data);
- }
-
- public void encode(PDFFilter filter) throws PDFFilterException {
- if (this.m_data == null) throw new PDFFilterException("no data to encode");
-
- int filterType = filter.getType();
- if (filterType == PDFFilter.FLATE_DECODE) {
- Deflater compressor = new Deflater();
-
- // PDFFilter properties ?
- compressor.setLevel(Deflater.DEFAULT_COMPRESSION);
- compressor.setStrategy(Deflater.DEFAULT_STRATEGY);
-
- compressor.setInput(m_data);
- compressor.finish();
- byte[] compMap = new byte[this.m_dataSize];
- int compSize = compressor.deflate(compMap);
- compressor.end();
-
- this.m_data = new byte[compSize];
- for (int i = 0; i < compSize; i++) {
- this.m_data[i] = compMap[i];
- }
- this.m_dataSize = compSize;
-// this.m_data = compMap;
-// this.m_dataSize = java.lang.reflect.Array.getLength(this.m_data);
-// } else if (filterType == PDFFilter.LZW_DECODE) {
- } else if (filterType == PDFFilter.ASCII_HEX_DECODE) {
- StringBuffer buffer = new StringBuffer();
- for (int i = 0; i < this.m_dataSize; i++) {
- int val = (int) (this.m_data[i] & 0xFF);
- if (val < 16) buffer.append("0");
- buffer.append(Integer.toHexString(val));
-//// TEST ////
-/*
-buffer.append(" ");
-if (i % 75 == 0) buffer.append("\n");
-*/
-//// TEST ////
- }
- this.m_data = buffer.toString().getBytes();
- this.m_dataSize = java.lang.reflect.Array.getLength(this.m_data);
- } else {
- throw new PDFFilterException("filter not supported");
- }
-
- this.m_filters.addElement(filter);
- }
-
- public String toPDF() {
- StringBuffer buffer = new StringBuffer();
-
- buffer.append("<<\n/Length ");
- buffer.append(this.m_dataSize);
- buffer.append("\n");
- buffer.append("/Filter [");
- for (int i = this.m_filters.size(); i > 0; i--) {
- PDFFilter filter = (PDFFilter) this.m_filters.elementAt(i - 1);
- buffer.append(filter.toPDF());
- if (i > 1) buffer.append(" ");
- }
- buffer.append("]\n");
- buffer.append(">>\n");
-
- buffer.append("stream\n");
- buffer.append(this.m_data);
- buffer.append("\nendstream\n");
-
- return buffer.toString();
- }
-
- public String getPDFDictionary() {
- StringBuffer buffer = new StringBuffer();
-
- buffer.append("/Length ");
-//// TEST ////
- buffer.append(this.m_dataSize);
-// buffer.append(this.m_dataSize + 1);
-//// TEST ////
- buffer.append("\n");
- if (this.m_filters.size() > 0) {
- buffer.append("/Filter [");
- for (int i = this.m_filters.size(); i > 0; i--) {
- PDFFilter filter = (PDFFilter) this.m_filters.elementAt(i - 1);
- buffer.append(filter.toPDF());
- if (i > 1) buffer.append(" ");
- }
- buffer.append("]\n");
- }
-
- return buffer.toString();
- }
-
- public String getPDFStream() {
- StringBuffer buffer = new StringBuffer();
-
- buffer.append("stream\n");
- buffer.append(this.m_data);
-//// TEST ////
-// buffer.append(">");
-//// TEST ////
- buffer.append("\nendstream\n");
-
- return buffer.toString();
- }
-
- public int outputPDFStream(PrintWriter writer) throws IOException {
- int length = 0;
- String p;
-
- p = new String("stream\n");
- writer.write(p);
- length += p.length();
-
-/*
- for (int i = 0; i < this.m_dataSize; i++) {
- writer.write(Byte.toString(this.m_data[i]));
- }
-*/
- writer.write(new String(this.m_data));
- length += this.m_dataSize;
-//// TEST ////
-// writer.write(">");
-// length += (new String(">")).length();
-//// TEST ////
-
- p = new String("\nendstream\n");
- writer.write(p);
- length += p.length();
-
- return length;
- }
-
-}
}
- String toPDF()
+ byte[] toPDF()
{
- return ("");
+ return (new byte[0]);
} //end of toPDF
}
import org.apache.fop.layout.FontDescriptor;
// Java
import java.io.IOException;
-import java.io.PrintWriter;
+import java.io.OutputStream;
import java.util.Vector;
import java.util.Hashtable;
import java.util.Enumeration;
/* create a PDFStream with the next object number and add it
to the list of objects */
- PDFStream obj = new PDFStream(++this.objectcount);
+ PDFStream obj = new PDFStream(++this.objectcount);
+ obj.addDefaultFilters();
+
this.objects.addElement(obj);
return obj;
}
+
/**
* make an annotation list object
/**
* write the entire document out
*
- * @param writer the PrinterWriter to output the document to
+ * @param writer the OutputStream to output the document to
*/
- public void output(PrintWriter writer) throws IOException {
+ public void output(OutputStream stream) throws IOException {
/* output the header and increment the character position by
the header's length */
- this.position += outputHeader(writer);
+ this.position += outputHeader(stream);
this.resources.setXObjects(xObjects);
/* output the object and increment the character position
by the object's length */
- this.position += object.output(writer);
+ this.position += object.output(stream);
}
/* output the xref table and increment the character position
by the table's length */
- this.position += outputXref(writer);
+ this.position += outputXref(stream);
- /* output the trailer and flush the Writer */
- outputTrailer(writer);
- writer.flush();
+ /* output the trailer and flush the Stream */
+ outputTrailer(stream);
+ stream.flush();
}
/**
* write the PDF header
*
- * @param writer the PrintWriter to write the header to
- * @return the number of characters written
+ * @param stream the OutputStream to write the header to
+ * @return the number of bytes written
*/
- protected int outputHeader(PrintWriter writer) throws IOException {
- String pdf = "%PDF-" + this.pdfVersion + "\n";
- writer.write(pdf);
- return pdf.length();
+ protected int outputHeader(OutputStream stream) throws IOException {
+ int length = 0;
+ byte[] pdf = ("%PDF-" + this.pdfVersion + "\n").getBytes();
+ stream.write(pdf);
+ length += pdf.length;
+
+ // output a binary comment as recommended by the PDF spec (3.4.1)
+ byte[] bin = {(byte)'%', (byte)0xAA, (byte)0xAB, (byte)0xAC, (byte)0xAD, (byte)'\n'};
+ stream.write(bin);
+ length += bin.length;
+
+ return length;
}
/**
* write the trailer
*
- * @param writer the PrintWriter to write the trailer to
+ * @param stream the OutputStream to write the trailer to
*/
- protected void outputTrailer(PrintWriter writer) throws IOException {
+ protected void outputTrailer(OutputStream stream) throws IOException {
/* construct the trailer */
String pdf = "trailer\n<<\n/Size " + (this.objectcount+1)
+ "\n%%EOF\n";
/* write the trailer */
- writer.write(pdf);
+ stream.write(pdf.getBytes());
}
/**
* write the xref table
*
- * @param writer the PrintWriter to write the xref table to
+ * @param stream the OutputStream to write the xref table to
* @return the number of characters written
*/
- private int outputXref(PrintWriter writer) throws IOException {
+ private int outputXref(OutputStream stream) throws IOException {
/* remember position of xref table */
this.xref = this.position;
}
/* write the xref table and return the character length */
- writer.write(pdf.toString());
- return pdf.length();
+ byte[] pdfBytes = pdf.toString().getBytes();
+ stream.write(pdfBytes);
+ return pdfBytes.length;
}
public void setIDReferences(IDReferences idReferences){
*
* @return the PDF
*/
- public String toPDF() {
+ public byte[] toPDF() {
StringBuffer p = new StringBuffer();
p.append(this.number + " " + this.generation
+ " obj\n<< /Type /Encoding");
p.append(" ]");
}
p.append(" >>\nendobj\n");
- return p.toString();
+ return p.toString().getBytes();
}
/* example (p. 214)
25 0 obj
*
* @return the PDF string
*/
- public String toPDF() {
+ public byte[] toPDF() {
String p = new String(this.number + " " + this.generation +
" obj\n<<\n/Type /FileSpec\n" +
"/F (" + this.filename + ")\n" +
">>\nendobj\n");
- return p;
+ return p.getBytes();
}
/* example
-/*
+/*-- $Id$ --
============================================================================
- The Apache Software License, Version 1.1
+ The Apache Software License, Version 1.1
============================================================================
- Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
+ Copyright (C) 1999 The Apache Software Foundation. All rights reserved.
Redistribution and use in source and binary forms, with or without modifica-
tion, are permitted provided that the following conditions are met:
- 1. Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
+ 1. Redistributions of source code must retain the above copyright notice,
+ this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the documentation
- and/or other materials provided with the distribution.
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
3. The end-user documentation included with the redistribution, if any, must
- include the following acknowledgment: "This product includes software
- developed by the Apache Software Foundation (http://www.apache.org/)."
- Alternately, this acknowledgment may appear in the software itself, if
- and wherever such third-party acknowledgments normally appear.
+ include the following acknowledgment: "This product includes software
+ developed by the Apache Software Foundation (http://www.apache.org/)."
+ Alternately, this acknowledgment may appear in the software itself, if
+ and wherever such third-party acknowledgments normally appear.
4. The names "Fop" and "Apache Software Foundation" must not be used to
- endorse or promote products derived from this software without prior
- written permission. For written permission, please contact
- apache@apache.org.
+ endorse or promote products derived from this software without prior
+ written permission. For written permission, please contact
+ apache@apache.org.
5. Products derived from this software may not be called "Apache", nor may
- "Apache" appear in their name, without prior written permission of the
- Apache Software Foundation.
+ "Apache" appear in their name, without prior written permission of the
+ Apache Software Foundation.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
- INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
- DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
+ DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- This software consists of voluntary contributions made by many individuals
- on behalf of the Apache Software Foundation and was originally created by
+ This software consists of voluntary contributions made by many individuals
+ on behalf of the Apache Software Foundation and was originally created by
James Tauber <jtauber@jtauber.com>. For more information on the Apache
Software Foundation, please see <http://www.apache.org/>.
-*/
-
-//Author: Eric SCHAEFFER
-//Description: represent a PDF filter object
-
-package org.apache.fop.pdf;
-
-public class PDFFilter {
- public static int ASCII_HEX_DECODE = 1;
- public static int ASCII_85_DECODE = 2;
- public static int LZW_DECODE = 3;
- public static int RUN_LENGTH_DECODE = 4;
- public static int CCITT_FAX_DECODE = 5;
- public static int DCT_DECODE = 6;
- public static int FLATE_DECODE = 7;
-
- // Filter type
- private int m_filterType;
-
- // Properties
-
- // LZW - Flat
- private Integer m_predictor = null;
- // LZW - Flat - CCITT
- private Integer m_columns = null;
- // LZW - Flat
- private Integer m_colors = null;
- // LZW - Flat
- private Integer m_bitsPerComponent = null;
- // LZW
- private Integer m_earlyChange = null;
- // CCITT
- private Integer m_k = null;
- // CCITT
- private Boolean m_endOfLine = null;
- // CCITT
- private Boolean m_encodedByteAlign = null;
- // CCITT
- private Integer m_rows = null;
- // CCITT
- private Boolean m_endOfBlock = null;
- // CCITT
- private Boolean m_blackls1 = null;
- // CCITT
- private Integer m_damagedRowsBeforeError = null;
-
- public PDFFilter(int filter) throws PDFFilterException {
- if ( (filter != ASCII_HEX_DECODE) &&
- (filter != ASCII_85_DECODE) &&
- (filter != LZW_DECODE) &&
- (filter != RUN_LENGTH_DECODE) &&
- (filter != CCITT_FAX_DECODE) &&
- (filter != DCT_DECODE) &&
- (filter != FLATE_DECODE)
- ) {
- throw new PDFFilterException("Filter type not supported");
- }
- this.m_filterType = filter;
- }
-
- public int getType() {
- return this.m_filterType;
- }
-
- public void setPredictor(Integer value) throws PDFFilterException {
- if ((this.m_filterType != LZW_DECODE) && (this.m_filterType != FLATE_DECODE)) {
- throw new PDFFilterException("No Predictor property for this filter");
- }
- this.m_predictor = value;
- }
-
- public Integer getPredictor() throws PDFFilterException {
- if ((this.m_filterType != LZW_DECODE) && (this.m_filterType != FLATE_DECODE)) {
- throw new PDFFilterException("No Predictor property for this filter");
- }
-
- return this.m_predictor;
- }
-
-// ... etc ...
-
- public String toPDF() {
- String pdf = null;
-/*
- public static int DCT_DECODE = 6;
*/
- if (this.m_filterType == ASCII_HEX_DECODE) {
- pdf = "/ASCIIHexDecode";
- } else if (this.m_filterType == ASCII_85_DECODE) {
- pdf = "/ASCI85Decode";
- } else if (this.m_filterType == LZW_DECODE) {
- StringBuffer buffer = new StringBuffer();
- buffer.append("/LZWDecode");
-
- if (this.m_predictor != null) {
- buffer.append(" /Predictor ");
- buffer.append(this.m_predictor);
- }
- if (this.m_columns != null) {
- buffer.append(" /Columns ");
- buffer.append(this.m_columns);
- }
- if (this.m_colors != null) {
- buffer.append(" /Colors ");
- buffer.append(this.m_colors);
- }
- if (this.m_bitsPerComponent != null) {
- buffer.append(" /BitsPerComponent ");
- buffer.append(this.m_bitsPerComponent);
- }
- if (this.m_earlyChange != null) {
- buffer.append(" /EarlyChange ");
- buffer.append(this.m_earlyChange);
- }
-
- pdf = buffer.toString();
- } else if (this.m_filterType == FLATE_DECODE) {
- StringBuffer buffer = new StringBuffer();
- buffer.append("/FlateDecode");
- if (this.m_predictor != null) {
- buffer.append(" /Predictor ");
- buffer.append(this.m_predictor);
- }
- if (this.m_columns != null) {
- buffer.append(" /Columns ");
- buffer.append(this.m_columns);
- }
- if (this.m_colors != null) {
- buffer.append(" /Colors ");
- buffer.append(this.m_colors);
- }
- if (this.m_bitsPerComponent != null) {
- buffer.append(" /BitsPerComponent ");
- buffer.append(this.m_bitsPerComponent);
- }
- pdf = buffer.toString();
- } else if (this.m_filterType == RUN_LENGTH_DECODE) {
- pdf = "/RunLengthDecode";
- } else if (this.m_filterType == CCITT_FAX_DECODE) {
- StringBuffer buffer = new StringBuffer();
- buffer.append("/CCITTFaxDecode");
-
- if (this.m_k != null) {
- buffer.append(" /K ");
- buffer.append(this.m_k);
- }
- if (this.m_endOfLine != null) {
- buffer.append(" /EndOfLine ");
- buffer.append(this.m_endOfLine);
- }
- if (this.m_encodedByteAlign != null) {
- buffer.append(" /EncodedByteAlign ");
- buffer.append(this.m_encodedByteAlign);
- }
- if (this.m_columns != null) {
- buffer.append(" /Columns ");
- buffer.append(this.m_columns);
- }
- if (this.m_rows != null) {
- buffer.append(" /Rows ");
- buffer.append(this.m_rows);
- }
- if (this.m_endOfBlock != null) {
- buffer.append(" /EndOfBlock ");
- buffer.append(this.m_endOfBlock);
- }
- if (this.m_blackls1 != null) {
- buffer.append(" /Blackls1 ");
- buffer.append(this.m_blackls1);
- }
- if (this.m_damagedRowsBeforeError != null) {
- buffer.append(" /DamagedRowsBeforeError ");
- buffer.append(this.m_damagedRowsBeforeError);
- }
-
- pdf = buffer.toString();
- } else if (this.m_filterType == DCT_DECODE) {
- pdf = "/DCTDecode";
- }
+//Author: Eric SCHAEFFER, Kelly A. Campbell
+//Description: represent a PDF filter object
- return pdf;
- }
+package org.apache.fop.pdf;
+public abstract class PDFFilter {
+ /* These are no longer needed, but are here as a reminder about what
+ filters pdf supports.
+
+ public static final int ASCII_HEX_DECODE = 1;
+ public static final int ASCII_85_DECODE = 2;
+ public static final int LZW_DECODE = 3;
+ public static final int RUN_LENGTH_DECODE = 4;
+ public static final int CCITT_FAX_DECODE = 5;
+ public static final int DCT_DECODE = 6;
+ public static final int FLATE_DECODE = 7;
+
+ */
+
+ /** Marker to know if this filter has already been applied to the data */
+ private boolean _applied = false;
+
+ public boolean isApplied()
+ {
+ return _applied;
+ }
+
+ /**
+ * Set the applied attribute to the given value. This attribute is
+ * used to determine if this filter is just a placeholder for the
+ * decodeparms and dictionary entries, or if the filter needs to
+ * actually encode the data. For example if the raw data is copied
+ * out of an image file in it's compressed format, then this
+ * should be set to true and the filter options should be set to
+ * those which the raw data was encoded with.
+ */
+ public void setApplied(boolean b)
+ {
+ _applied = b;
+ }
+
+
+ /** return a PDF string representation of the filter, e.g. /FlateDecode */
+ public abstract String getName();
+
+ /** return a parameter dictionary for this filter, or null */
+ public abstract String getDecodeParms();
+
+ /** encode the given data with the filter */
+ public abstract byte[] encode(byte[] data);
+
+
+
}
*
* @return the PDF
*/
- public String toPDF() {
+ public byte[] toPDF() {
StringBuffer p = new StringBuffer();
p.append(this.number + " " + this.generation
+ " obj\n<< /Type /Font\n/Subtype /" + TYPE_NAMES[this.subtype]
}
fillInPDF(p);
p.append(" >>\nendobj\n");
- return p.toString();
+ return p.toString().getBytes();
}
/**
*
* @return the PDF
*/
- public String toPDF() {
+ public byte[] toPDF() {
StringBuffer p = new StringBuffer(
this.number + " " + this.generation
+ " obj\n<< /Type /FontDescriptor"
// CID optional field
fillInPDF(p);
p.append("\n >>\nendobj\n");
- return p.toString();
+ return p.toString().getBytes();
}
/**
*
* @return the PDF string.
*/
- public String toPDF() {
+ public byte[] toPDF() {
int vectorSize=0;
int numberOfFunctions=0;
int tempInt=0;
}
- return (p.toString());
+ return (p.toString().getBytes());
}
}
*
* @return the PDF string
*/
- public String toPDF() {
+ public byte[] toPDF() {
String p = new String(this.number + " " + this.generation +
" obj\n<<\n/S /GoTo\n" +
"/D [" + this.pageReference + " /XYZ "+xPosition+" "+yPosition+" null]\n" +
">>\nendobj\n");
- return p;
+ return p.getBytes();
}
/* example
*
* @return the PDF string
*/
- public String toPDF() {
+ public byte[] toPDF() {
String p = new String(this.number + " " + this.generation +
" obj\n" +
"<<\n/S /GoToR\n" +
"/F " + pdfFileSpec.referencePDF() + "\n" +
"/D [ 0 /XYZ null null null ]" +
" \n>>\nendobj\n");
- return p;
+ return p.getBytes();
}
*
* @return the PDF
*/
- public String toPDF() {
+ public byte[] toPDF() {
String p = this.number + " " + this.generation
+ " obj\n<< /Type /Info\n/Producer (" + this.producer
+ ") >>\nendobj\n";
- return p;
+ return p.getBytes();
}
}
*
* @return an empty string
*/
- public String toPDF() {
- return "";
+ public byte[] toPDF() {
+ return new byte[0];
}
}
*
* @return the PDF
*/
- public String toPDF() {
+ public byte[] toPDF() {
String p = this.number + " " + this.generation + " obj\n" +
"<< /Type /Annot\n" +
"/Subtype /Link\n" +
"/Border [ 0 0 0 ]\n" +
"/A " + this.action.getAction() + "\n" +
"/H /I\n>>\nendobj\n";
- return p;
+ return p.getBytes();
}
/* example
// Java
import java.io.IOException;
-import java.io.PrintWriter;
+import java.io.OutputStream;
/**
* generic PDF object.
/**
* write the PDF represention of this object
*
- * @param writer the PrintWriter to write the PDF to
- * @return the number of characters written
+ * @param stream the stream to write the PDF to
+ * @return the number of bytes written
*/
- protected int output(PrintWriter writer) throws IOException {
- String pdf = this.toPDF();
- writer.write(pdf);
- return pdf.length();
+ protected int output(OutputStream stream) throws IOException {
+ byte[] pdf = this.toPDF();
+ stream.write(pdf);
+ return pdf.length;
}
/**
*
* @return PDF string
*/
- abstract String toPDF();
+ abstract byte[] toPDF();
}
*
* @return the PDF string
*/
- public String toPDF() {
+ public byte[] toPDF() {
StringBuffer sb = new StringBuffer();
sb = sb.append(this.number + " " + this.generation + " obj\n" +
sb = sb.append(">>\nendobj\n");
- return sb.toString();
+ return sb.toString().getBytes();
}
}
*
* @return the PDF string
*/
- public String toPDF() {
+ public byte[] toPDF() {
StringBuffer p = new StringBuffer(this.number + " "
+ this.generation
+ " obj\n<< /Type /Pages\n/Count "
p = p.append(((PDFObject)kids.elementAt(i)).referencePDF() + " ");
}
p = p.append("] >>\nendobj\n");
- return p.toString();
+ return p.toString().getBytes();
}
}
*
* @return the PDF string.
*/
- public String toPDF() {
+ public byte[] toPDF() {
int vectorSize=0;
- return (p.toString());
+ return (p.toString().getBytes());
}
}
*
* @return the PDF
*/
- public String toPDF() {
- return " [" + llx + " " + lly + " " + urx + " " + ury + "] ";
+ public byte[] toPDF() {
+ return (" [" + llx + " " + lly + " " + urx + " " + ury + "] ").getBytes();
}
}
*
* @return the PDF
*/
- public String toPDF() {
+ public byte[] toPDF() {
StringBuffer p = new StringBuffer(this.number + " "
+ this.generation
+ " obj\n<< \n");
p = p.append(">> \nendobj\n");
- return p.toString();
+ return p.toString().getBytes();
}
}
*
* @return the PDF string
*/
- public String toPDF() {
+ public byte[] toPDF() {
String p = this.number + " " + this.generation
+ " obj\n<< /Type /Catalog\n/Pages "
+ this.rootPages.referencePDF() + " >>\nendobj\n";
- return p;
+ return p.getBytes();
}
}
*
* @return the PDF string.
*/
- public String toPDF() {
+ public byte[] toPDF() {
int vectorSize;
int tempInt;
StringBuffer p = new StringBuffer();
p.append(">> \nendobj\n");
- return(p.toString());
+ return(p.toString().getBytes());
}
}
*/
package org.apache.fop.pdf;
+import java.io.ByteArrayOutputStream;
+import java.io.OutputStream;
+import java.io.IOException;
+import java.util.Vector;
+import java.util.Enumeration;
+import org.apache.fop.configuration.Configuration;
+import org.apache.fop.messaging.MessageHandler;
+
/**
* class representing a PDF stream.
*
public class PDFStream extends PDFObject {
/** the stream of PDF commands */
- protected StringBuffer data = new StringBuffer();
+ private ByteArrayOutputStream _data;
+ /** the filters that should be applied */
+ private Vector _filters;
+
/**
* create an empty stream object
*
*/
public PDFStream(int number) {
super(number);
+ _data = new ByteArrayOutputStream();
+ _filters = new Vector();
}
/**
* @param s the string of PDF to add
*/
public void add(String s) {
- this.data = this.data.append(s);
+ try {
+ _data.write(s.getBytes());
+ }
+ catch (IOException ex) {
+ ex.printStackTrace();
+ }
+
+ }
+
+ /**
+ * Add a filter for compression of the stream. Filters are
+ * applied in the order they are added. This should always be a
+ * new instance of the particular filter of choice. The applied
+ * flag in the filter is marked true after it has been applied to the
+ * data.
+ */
+ public void addFilter(PDFFilter filter)
+ {
+ if (filter != null) {
+ _filters.add(filter);
+ }
+
+ }
+
+ public void addFilter(String filterType)
+ {
+ if (filterType.equals("flate")) {
+ addFilter(new FlateFilter());
+ }
+ else if (filterType.equals("ascii-85")) {
+ addFilter(new ASCII85Filter());
+ }
+ else if (filterType.equals("ascii-hex")) {
+ addFilter(new ASCIIHexFilter());
+ }
+ else {
+ MessageHandler.errorln("Unsupported filter type in stream-filter-list: "+filterType);
+ }
+ }
+
+
+ protected void addDefaultFilters()
+ {
+ Vector filters = Configuration.getListValue("stream-filter-list",
+ Configuration.PDF);
+ if (filters == null) {
+ // try getting it as a String
+ String filter = Configuration.getStringValue("stream-filter-list",
+ Configuration.PDF);
+ if (filter == null) {
+ // built-in default to flate
+ addFilter(new FlateFilter());
+ }
+ else {
+ addFilter(filter);
+ }
+ }
+ else {
+ for (int i=0; i < filters.size(); i++) {
+ String v = (String)filters.elementAt(i);
+ addFilter(v);
+ }
+ }
}
+
/**
* append an array of xRGB pixels, ASCII Hex Encoding it first
* @param height the height of the image in pixels
*/
public void addImageArray(int[] pixels, int width, int height) {
- for (int i = 0; i < height; i++) {
- for (int j = 0; j < width; j++) {
- int p = pixels[i * width + j];
- int r = (p >> 16) & 0xFF;
- int g = (p >> 8) & 0xFF;
- int b = (p ) & 0xFF;
- if (r < 16) {
- this.data = this.data.append(0);
- }
- this.data = this.data.append(Integer.toHexString(r));
- if (g < 16) {
- this.data = this.data.append(0);
+ try {
+ for (int i = 0; i < height; i++) {
+ for (int j = 0; j < width; j++) {
+ int p = pixels[i * width + j];
+ int r = (p >> 16) & 0xFF;
+ int g = (p >> 8) & 0xFF;
+ int b = (p ) & 0xFF;
+ if (r < 16) {
+ _data.write('0');
+ }
+ _data.write(Integer.toHexString(r).getBytes());
+ if (g < 16) {
+ _data.write('0');
+ }
+ _data.write(Integer.toHexString(g).getBytes());
+ if (b < 16) {
+ _data.write('0');
+ }
+ _data.write(Integer.toHexString(b).getBytes());
+ _data.write(' ');
}
- this.data = this.data.append(Integer.toHexString(g));
- if (b < 16) {
- this.data = this.data.append(0);
- }
- this.data = this.data.append(Integer.toHexString(b));
- this.data = this.data.append(" ");
}
+ _data.write(">\n".getBytes());
+ }
+ catch (IOException ex) {
+ ex.printStackTrace();
}
- this.data = this.data.append(">\n");
+
}
+ public void setData(byte[] data)
+ throws IOException
+ {
+ _data.reset();
+ _data.write(data);
+ }
+
+ public byte[] getData()
+ {
+ return _data.toByteArray();
+ }
+
+ public int getDataLength()
+ {
+ return _data.size();
+ }
+
+
+
/**
* represent as PDF.
*
* @return the PDF string.
*/
- public String toPDF() {
- String p = this.number + " " + this.generation
- + " obj\n<< /Length " + (this.data.length()+1)
- + " >>\nstream\n" + this.data + "\nendstream\nendobj\n";
- return p;
+ /*
+ public byte[] toPDF() {
+ byte[] d = _data.toByteArray();
+ ByteArrayOutputStream s = new ByteArrayOutputStream();
+ String p = this.number + " " + this.generation
+ + " obj\n<< /Length " + (d.length+1)
+ + " >>\nstream\n";
+ s.write(p.getBytes());
+ s.write(d);
+ s.write("\nendstream\nendobj\n".getBytes());
+ return s.toByteArray();
+ }
+ */
+ public byte[] toPDF() {
+ throw new UnsupportedOperationException();
+ }
+
+
+ // overload the base object method so we don't have to copy
+ // byte arrays around so much
+ protected int output(OutputStream stream) throws IOException
+ {
+ int length = 0;
+ String filterEntry = applyFilters();
+ byte[] p = (this.number + " " + this.generation
+ + " obj\n<< /Length " + (_data.size()+1) + " "
+ + filterEntry + " >>\n").getBytes();
+
+ stream.write(p);
+ length += p.length;
+ length += outputStreamData(stream);
+ p = "endobj\n".getBytes();
+ stream.write(p);
+ length += p.length;
+ return length;
+
+ }
+
+ /**
+ * Output just the stream data enclosed by stream/endstream markers
+ */
+ protected int outputStreamData(OutputStream stream) throws IOException
+ {
+ int length = 0;
+ byte[] p ="stream\n".getBytes();
+ stream.write(p);
+ length += p.length;
+ _data.writeTo(stream);
+ length += _data.size();
+ p = "\nendstream\n".getBytes();
+ stream.write(p);
+ length += p.length;
+ return length;
+
}
+
+
+ /**
+ * Apply the filters to the data
+ * in the order given and return the /Filter and /DecodeParms
+ * entries for the stream dictionary. If the filters have already
+ * been applied to the data (either externally, or internally)
+ * then the dictionary entries are built and returned.
+ */
+ protected String applyFilters() throws IOException
+ {
+ if (_filters.size() > 0) {
+ Vector names = new Vector();
+ Vector parms = new Vector();
+
+ // run the filters
+ Enumeration e = _filters.elements();
+ while (e.hasMoreElements()) {
+ PDFFilter filter = (PDFFilter)e.nextElement();
+ // apply the filter encoding if neccessary
+ if (!filter.isApplied()) {
+ byte[] tmp = filter.encode(_data.toByteArray());
+ _data.reset();
+ _data.write(tmp);
+ filter.setApplied(true);
+ }
+ // place the names in our local vector in reverse order
+ names.add(0, filter.getName());
+ parms.add(0, filter.getDecodeParms());
+ }
+
+ // now build up the filter entries for the dictionary
+ return buildFilterEntries(names) + buildDecodeParms(parms);
+ }
+ return "";
+
+ }
+
+ private String buildFilterEntries(Vector names)
+ {
+ StringBuffer sb = new StringBuffer();
+ sb.append("/Filter ");
+ if (names.size() > 1) {
+ sb.append("[ ");
+ }
+ Enumeration e = names.elements();
+ while (e.hasMoreElements()) {
+ sb.append((String)e.nextElement());
+ sb.append(" ");
+ }
+ if (names.size() > 1) {
+ sb.append("]");
+ }
+ sb.append("\n");
+ return sb.toString();
+ }
+
+ private String buildDecodeParms(Vector parms)
+ {
+ StringBuffer sb = new StringBuffer();
+ boolean needParmsEntry = false;
+ sb.append("/DecodeParms ");
+
+ if (parms.size() > 1) {
+ sb.append("[ ");
+ }
+ Enumeration e = parms.elements();
+ while (e.hasMoreElements()) {
+ String s = (String)e.nextElement();
+ if (s != null) {
+ sb.append(s);
+ needParmsEntry = true;
+ }
+ else {
+ sb.append("null");
+ }
+ sb.append(" ");
+ }
+ if (parms.size() > 1) {
+ sb.append("]");
+ }
+ sb.append("\n");
+ if (needParmsEntry) {
+ return sb.toString();
+ }
+ else {
+ return "";
+ }
+ }
+
+
}
*
* @return an empty string
*/
- public String toPDF() {
- return "";
+ public byte[] toPDF() {
+ return new byte[0];
}
}
// Java
import java.io.IOException;
import org.apache.fop.messaging.MessageHandler;
-import java.io.PrintWriter;
+import java.io.OutputStream;
// FOP
import org.apache.fop.datatypes.ColorSpace;
/**
* represent as PDF
*/
- protected int output(PrintWriter writer) throws IOException {
+ protected int output(OutputStream stream) throws IOException {
int length=0;
int i=0;
int x,y;
try {
- PDFBinaryStream imgStream = new PDFBinaryStream();
+ // delegate the stream work to PDFStream
+ PDFStream imgStream = new PDFStream(0);
+
imgStream.setData(fopimage.getBitmaps());
- imgStream.encode(new PDFFilter(PDFFilter.FLATE_DECODE));
- imgStream.encode(new PDFFilter(PDFFilter.ASCII_HEX_DECODE));
+ imgStream.addFilter(new FlateFilter());
+ String dictEntries = imgStream.applyFilters();
String p = this.number + " " + this.generation + " obj\n";
p = p + "<</Type /XObject\n";
p = p + "/Subtype /Image\n";
p = p + "/Name /Im" + Xnum + "\n";
+ p = p + "/Length " + imgStream.getDataLength();
p = p + "/Width " + fopimage.getWidth() + "\n";
p = p + "/Height " + fopimage.getHeight() + "\n";
p = p + "/BitsPerComponent " + fopimage.getBitsPerPixel() + "\n";
PDFColor transp = fopimage.getTransparentColor();
p = p + "/Mask [" + transp.red255() + " " + transp.red255() + " " + transp.green255() + " " + transp.green255() + " " + transp.blue255() + " " + transp.blue255() + "]\n";
}
- p = p + imgStream.getPDFDictionary();
+ p = p + dictEntries;
p = p + ">>\n";
// don't know if it's the good place (other objects can have references to it)
fopimage.close();
// push the pdf dictionary on the writer
- writer.write(p);
- length += p.length();
+ byte[] pdfBytes = p.getBytes();
+ stream.write(pdfBytes);
+ length += pdfBytes.length;
// push all the image data on the writer and takes care of length for trailer
- length += imgStream.outputPDFStream(writer);
+ length += imgStream.outputStreamData(stream);
- p = "endobj\n";
- writer.write(p);
- length += p.length();
+ pdfBytes = ("endobj\n").getBytes();
+ stream.write(pdfBytes);
+ length += pdfBytes.length;
} catch (FopImageException imgex) {
-MessageHandler.errorln("Error in XObject : " + imgex.getMessage());
- } catch (PDFFilterException filterex) {
-MessageHandler.errorln("Error in XObject : " + filterex.getMessage());
+ MessageHandler.errorln("Error in XObject : " + imgex.getMessage());
}
+
return length;
}
- String toPDF() {
+ byte[] toPDF() {
/* Not used any more
String p = this.number + " " + this.generation + " obj\n";
p = p + "<</Type /XObject\n";
import org.apache.fop.layout.*;
// Java
-import java.io.PrintWriter;
+import java.io.OutputStream;
import java.io.IOException;
/**
public void setProducer(String producer);
/** render the given area tree to the given writer */
- public void render(AreaTree areaTree, PrintWriter writer) throws IOException, FOPException;
+ public void render(AreaTree areaTree, OutputStream stream) throws IOException, FOPException;
/** render the given area container */
public void renderAreaContainer(AreaContainer area);
}
public void render(AreaTree areaTree,
- PrintWriter writer) throws IOException {
+ OutputStream stream) throws IOException {
tree = areaTree;
render(areaTree, 0);
}
// Java
import java.io.IOException;
-import java.io.PrintWriter;
+import java.io.OutputStream;
import java.util.Enumeration;
import java.awt.Rectangle;
import java.util.Vector;
* render the areas into PDF
*
* @param areaTree the laid-out area tree
- * @param writer the PrintWriter to write the PDF with
+ * @param stream the OutputStream to write the PDF to
*/
public void render(AreaTree areaTree,
- PrintWriter writer) throws IOException, FOPException {
+ OutputStream stream) throws IOException, FOPException {
MessageHandler.logln("rendering areas to PDF");
idReferences = areaTree.getIDReferences();
this.pdfResources = this.pdfDoc.getResources();
}
MessageHandler.logln("writing out PDF");
- this.pdfDoc.output(writer);
+ this.pdfDoc.output(stream);
}
/**
// Java
import java.io.IOException;
import java.io.PrintWriter;
+import java.io.OutputStream;
import java.util.Enumeration;
/**
* @param areaTree the laid-out area tree
* @param writer the PrintWriter to give the XML to
*/
- public void render(AreaTree areaTree, PrintWriter writer)
+ public void render(AreaTree areaTree, OutputStream stream)
throws IOException {
MessageHandler.logln("rendering areas to XML");
- this.writer = writer;
+ this.writer = new PrintWriter(stream);
this.writer.write("<?xml version=\"1.0\"?>\n<!-- produced by "
+ this.producer + " -->\n");
writeStartTag("<AreaTree>");
projects / xmlgraphics-fop.git / commitdiff