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Support for setting the compression level (zlib). 

Works for streams created by PdfWriter, for the image types where FlateDecode is done by iText, and for font streams.


git-svn-id: svn://svn.code.sf.net/p/itextsharp/code/trunk@10 820d3149-562b-4f88-9aa4-a8e61a3485cf
master
psoares33 2008-07-27 15:43:33 +00:00
parent 61a66b3167
commit c4e9a9ce5f
26 changed files with 1229 additions and 991 deletions
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23
src/core/iTextSharp/text/Image.cs
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@ -177,6 +177,12 @@ namespace iTextSharp.text {
/// <summary> This is the original height of the image taking rotation into account. </summary>
protected float scaledHeight;
/**
* The compression level of the content streams.
* @since 2.1.3
*/
protected int compressionLevel = PdfStream.DEFAULT_COMPRESSION;
/// <summary> This is the rotation of the image. </summary>
protected float rotationRadians;
@ -1479,5 +1485,22 @@ namespace iTextSharp.text {
return directReference;
}
}
/**
* Sets the compression level to be used if the image is written as a compressed stream.
* @param compressionLevel a value between 0 (best speed) and 9 (best compression)
* @since 2.1.3
*/
public int CompressionLevel {
set {
if (compressionLevel < PdfStream.NO_COMPRESSION || compressionLevel > PdfStream.BEST_COMPRESSION)
compressionLevel = PdfStream.DEFAULT_COMPRESSION;
else
compressionLevel = compressionLevel;
}
get {
return compressionLevel;
}
}
}
}

52
src/core/iTextSharp/text/pdf/BaseFont.cs
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@ -9,7 +9,7 @@ using System.util;
using iTextSharp.text.xml.simpleparser;
/*
* $Id: BaseFont.cs,v 1.18 2008/06/01 13:17:07 psoares33 Exp $
* $Id: BaseFont.cs,v 1.17 2008/05/13 11:25:17 psoares33 Exp $
*
*
* Copyright 2000-2006 by Paulo Soares.
@ -258,6 +258,12 @@ namespace iTextSharp.text.pdf {
/** true if the font is to be embedded in the PDF */
protected bool embedded;
/**
* The compression level for the font stream.
* @since 2.1.3
*/
protected int compressionLevel = PdfStream.DEFAULT_COMPRESSION;
/**
* true if the font must use it's built in encoding. In that case the
* <CODE>encoding</CODE> is only used to map a char to the position inside
@ -321,25 +327,36 @@ namespace iTextSharp.text.pdf {
internal class StreamFont : PdfStream {
/** Generates the PDF stream with the Type1 and Truetype fonts returning
* a PdfStream.
* @param contents the content of the stream
* @param lengths an array of int that describes the several lengths of each part of the font
*/
internal StreamFont(byte[] contents, int[] lengths) {
* a PdfStream.
* @param contents the content of the stream
* @param lengths an array of int that describes the several lengths of each part of the font
* @param compressionLevel the compression level of the Stream
* @throws DocumentException error in the stream compression
* @since 2.1.3 (replaces the constructor without param compressionLevel)
*/
internal StreamFont(byte[] contents, int[] lengths, int compressionLevel) {
bytes = contents;
Put(PdfName.LENGTH, new PdfNumber(bytes.Length));
for (int k = 0; k < lengths.Length; ++k) {
Put(new PdfName("Length" + (k + 1)), new PdfNumber(lengths[k]));
}
FlateCompress();
FlateCompress(compressionLevel);
}
internal StreamFont(byte[] contents, string subType) {
/**
* Generates the PDF stream for a font.
* @param contents the content of a stream
* @param subType the subtype of the font.
* @param compressionLevel the compression level of the Stream
* @throws DocumentException error in the stream compression
* @since 2.1.3 (replaces the constructor without param compressionLevel)
*/
internal StreamFont(byte[] contents, string subType, int compressionLevel) {
bytes = contents;
Put(PdfName.LENGTH, new PdfNumber(bytes.Length));
if (subType != null)
Put(PdfName.SUBTYPE, new PdfName(subType));
FlateCompress();
FlateCompress(compressionLevel);
}
}
@ -1438,5 +1455,22 @@ namespace iTextSharp.text.pdf {
subsetRanges = new ArrayList();
subsetRanges.Add(range);
}
/**
* Sets the compression level to be used for the font streams.
* @param compressionLevel a value between 0 (best speed) and 9 (best compression)
* @since 2.1.3
*/
public int CompressionLevel {
set {
if (compressionLevel < PdfStream.NO_COMPRESSION || compressionLevel > PdfStream.BEST_COMPRESSION)
compressionLevel = PdfStream.DEFAULT_COMPRESSION;
else
compressionLevel = compressionLevel;
}
get {
return compressionLevel;
}
}
}
}

35
src/core/iTextSharp/text/pdf/PRStream.cs
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@ -70,6 +70,7 @@ public class PRStream : PdfStream {
offset = stream.offset;
length = stream.Length;
compressed = stream.compressed;
compressionLevel = stream.compressionLevel;
streamBytes = stream.streamBytes;
bytes = stream.bytes;
objNum = stream.objNum;
@ -89,12 +90,23 @@ public class PRStream : PdfStream {
this.offset = offset;
}
public PRStream(PdfReader reader, byte[] conts) {
public PRStream(PdfReader reader, byte[] conts) : this(reader, conts, DEFAULT_COMPRESSION) {
}
/**
* Creates a new PDF stream object that will replace a stream
* in a existing PDF file.
* @param reader the reader that holds the existing PDF
* @param conts the new content
* @param compressionLevel the compression level for the content
* @since 2.1.3 (replacing the existing constructor without param compressionLevel)
*/
public PRStream(PdfReader reader, byte[] conts, int compressionLevel) {
this.reader = reader;
this.offset = -1;
if (Document.Compress) {
MemoryStream stream = new MemoryStream();
ZDeflaterOutputStream zip = new ZDeflaterOutputStream(stream);
ZDeflaterOutputStream zip = new ZDeflaterOutputStream(stream, compressionLevel);
zip.Write(conts, 0, conts.Length);
zip.Close();
bytes = stream.ToArray();
@ -115,14 +127,29 @@ public class PRStream : PdfStream {
* @since iText 2.1.1
*/
public void SetData(byte[] data, bool compress) {
SetData(data, compress, DEFAULT_COMPRESSION);
}
/**
* Sets the data associated with the stream, either compressed or
* uncompressed. Note that the data will never be compressed if
* Document.compress is set to false.
*
* @param data raw data, decrypted and uncompressed.
* @param compress true if you want the stream to be compresssed.
* @param compressionLevel a value between -1 and 9 (ignored if compress == false)
* @since iText 2.1.3
*/
public void SetData(byte[] data, bool compress, int compressionLevel) {
Remove(PdfName.FILTER);
this.offset = -1;
if (Document.Compress && compress) {
MemoryStream stream = new MemoryStream();
ZDeflaterOutputStream zip = new ZDeflaterOutputStream(stream);
ZDeflaterOutputStream zip = new ZDeflaterOutputStream(stream, compressionLevel);
zip.Write(data, 0, data.Length);
zip.Close();
bytes = stream.ToArray();
this.compressionLevel = compressionLevel;
Put(PdfName.FILTER, PdfName.FLATEDECODE);
}
else
@ -195,7 +222,7 @@ public class PRStream : PdfStream {
Put(PdfName.LENGTH, objLen);
os.Write(STARTSTREAM, 0, STARTSTREAM.Length);
if (length > 0) {
if (crypto != null)
if (crypto != null && !crypto.IsEmbeddedFilesOnly())
b = crypto.EncryptByteArray(b);
os.Write(b, 0, b.Length);
}

2
src/core/iTextSharp/text/pdf/PdfAction.cs
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@ -276,7 +276,7 @@ namespace iTextSharp.text.pdf {
else {
byte[] b = PdfEncodings.ConvertToBytes(code, unicode ? PdfObject.TEXT_UNICODE : PdfObject.TEXT_PDFDOCENCODING);
PdfStream stream = new PdfStream(b);
stream.FlateCompress();
stream.FlateCompress(writer.CompressionLevel);
js.Put(PdfName.JS, writer.AddToBody(stream).IndirectReference);
}
return js;

2
src/core/iTextSharp/text/pdf/PdfContents.cs
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@ -86,7 +86,7 @@ namespace iTextSharp.text.pdf {
streamBytes = new MemoryStream();
if (Document.Compress) {
compressed = true;
ostr = new ZDeflaterOutputStream(streamBytes);
ostr = new ZDeflaterOutputStream(streamBytes, text.PdfWriter.CompressionLevel);
}
else
ostr = streamBytes;

4
src/core/iTextSharp/text/pdf/PdfCopy.cs
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@ -593,7 +593,7 @@ namespace iTextSharp.text.pdf {
if (over != null)
out_p.Append(PdfContents.SAVESTATE);
PdfStream stream = new PdfStream(out_p.ToByteArray());
stream.FlateCompress();
stream.FlateCompress(cstp.CompressionLevel);
PdfIndirectReference ref1 = cstp.AddToBody(stream).IndirectReference;
ar.AddFirst(ref1);
out_p.Reset();
@ -605,7 +605,7 @@ namespace iTextSharp.text.pdf {
out_p.Append(over.InternalBuffer);
out_p.Append(PdfContents.RESTORESTATE);
stream = new PdfStream(out_p.ToByteArray());
stream.FlateCompress();
stream.FlateCompress(cstp.CompressionLevel);
ar.Add(cstp.AddToBody(stream).IndirectReference);
}
pageN.Put(PdfName.RESOURCES, pageResources.Resources);

1028
src/core/iTextSharp/text/pdf/PdfEncryption.cs
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File diff suppressed because it is too large Load Diff

11
src/core/iTextSharp/text/pdf/PdfFormXObject.cs
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@ -69,18 +69,15 @@ namespace iTextSharp.text.pdf {
/** This is the 1 - matrix. */
public static PdfLiteral MATRIX = new PdfLiteral("[1 0 0 1 0 0]");
// membervariables
// constructor
/**
* Constructs a <CODE>PdfFormXObject</CODE>-object.
*
* @param template the template
* @param compressionLevel the compression level for the stream
* @since 2.1.3 (Replacing the existing constructor with param compressionLevel)
*/
internal PdfFormXObject(PdfTemplate template) : base() {
internal PdfFormXObject(PdfTemplate template, int compressionLevel) : base() {
Put(PdfName.TYPE, PdfName.XOBJECT);
Put(PdfName.SUBTYPE, PdfName.FORM);
Put(PdfName.RESOURCES, template.Resources);
@ -97,7 +94,7 @@ namespace iTextSharp.text.pdf {
Put(PdfName.MATRIX, matrix);
bytes = template.ToPdf(null);
Put(PdfName.LENGTH, new PdfNumber(bytes.Length));
FlateCompress();
FlateCompress(compressionLevel);
}
}

4
src/core/iTextSharp/text/pdf/PdfFunction.cs
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@ -79,7 +79,7 @@ namespace iTextSharp.text.pdf {
int bitsPerSample, int order, float[] encode, float[] decode, byte[] stream) {
PdfFunction func = new PdfFunction(writer);
func.dictionary = new PdfStream(stream);
((PdfStream)func.dictionary).FlateCompress();
((PdfStream)func.dictionary).FlateCompress(writer.CompressionLevel);
func.dictionary.Put(PdfName.FUNCTIONTYPE, new PdfNumber(0));
func.dictionary.Put(PdfName.DOMAIN, new PdfArray(domain));
func.dictionary.Put(PdfName.RANGE, new PdfArray(range));
@ -131,7 +131,7 @@ namespace iTextSharp.text.pdf {
b[k] = (byte)postscript[k];
PdfFunction func = new PdfFunction(writer);
func.dictionary = new PdfStream(b);
((PdfStream)func.dictionary).FlateCompress();
((PdfStream)func.dictionary).FlateCompress(writer.CompressionLevel);
func.dictionary.Put(PdfName.FUNCTIONTYPE, new PdfNumber(4));
func.dictionary.Put(PdfName.DOMAIN, new PdfArray(domain));
func.dictionary.Put(PdfName.RANGE, new PdfArray(range));

20
src/core/iTextSharp/text/pdf/PdfICCBased.cs
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@ -10,7 +10,23 @@ namespace iTextSharp.text.pdf {
public class PdfICCBased : PdfStream {
public PdfICCBased(ICC_Profile profile) {
/**
* Creates an ICC stream.
* @param profile an ICC profile
*/
public PdfICCBased(ICC_Profile profile) : this(profile, DEFAULT_COMPRESSION) {
;
}
/**
* Creates an ICC stream.
*
* @param compressionLevel the compressionLevel
*
* @param profile an ICC profile
* @since 2.1.3 (replacing the constructor without param compressionLevel)
*/
public PdfICCBased(ICC_Profile profile, int compressionLevel) {
int numberOfComponents = profile.NumComponents;
switch (numberOfComponents) {
case 1:
@ -27,7 +43,7 @@ namespace iTextSharp.text.pdf {
}
Put(PdfName.N, new PdfNumber(numberOfComponents));
bytes = profile.Data;
FlateCompress();
FlateCompress(compressionLevel);
}
}
}

3
src/core/iTextSharp/text/pdf/PdfImage.cs
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@ -161,7 +161,7 @@ namespace iTextSharp.text.pdf {
if (image.Deflated)
Put(PdfName.FILTER, PdfName.FLATEDECODE);
else {
FlateCompress();
FlateCompress(image.CompressionLevel);
}
}
return;
@ -273,6 +273,7 @@ namespace iTextSharp.text.pdf {
protected void ImportAll(PdfImage dup) {
name = dup.name;
compressed = dup.compressed;
compressionLevel = dup.compressionLevel;
streamBytes = dup.streamBytes;
bytes = dup.bytes;
hashMap = dup.hashMap;

15
src/core/iTextSharp/text/pdf/PdfImportedPage.cs
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@ -3,7 +3,7 @@ using System;
using iTextSharp.text;
/*
* $Id: PdfImportedPage.cs,v 1.4 2008/07/05 09:34:43 psoares33 Exp $
* $Id: PdfImportedPage.cs,v 1.3 2008/05/13 11:25:21 psoares33 Exp $
*
*
* Copyright 2001, 2002 Paulo Soares
@ -123,10 +123,15 @@ namespace iTextSharp.text.pdf {
}
}
internal override PdfStream FormXObject {
get {
return readerInstance.GetFormXObject(pageNumber);
}
/**
* Gets the stream representing this page.
*
* @param compressionLevel the compressionLevel
* @return the stream representing this page
* @since 2.1.3 (replacing the method without param compressionLevel)
*/
internal override PdfStream GetFormXObject(int compressionLevel) {
return readerInstance.GetFormXObject(pageNumber, compressionLevel);
}
public override void SetColorFill(PdfSpotColor sp, float tint) {

6
src/core/iTextSharp/text/pdf/PdfName.cs
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@ -357,6 +357,12 @@ namespace iTextSharp.text.pdf {
public static readonly PdfName EARLYCHANGE = new PdfName("EarlyChange");
/** A name */
public static readonly PdfName EF = new PdfName("EF");
/** A name
* @since 2.1.3 */
public static readonly PdfName EFF = new PdfName("EFF");
/** A name
* @since 2.1.3 */
public static readonly PdfName EFOPEN = new PdfName("EFOpen");
/** A name */
public static readonly PdfName EMBEDDEDFILE = new PdfName("EmbeddedFile");
/** A name */

191
src/core/iTextSharp/text/pdf/PdfPSXObject.cs
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@ -1,101 +1,100 @@
using System;
/*
* Copyright 2005 Paulo Soares
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
namespace iTextSharp.text.pdf {
/**
* Implements the PostScript XObject.
*/
public class PdfPSXObject : PdfTemplate {
/** Creates a new instance of PdfPSXObject */
protected PdfPSXObject() {
}
/**
* Constructs a PSXObject
* @param wr
*/
public PdfPSXObject(PdfWriter wr) : base(wr) {
}
using System;
/*
* Copyright 2005 Paulo Soares
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
namespace iTextSharp.text.pdf {
/**
* Implements the PostScript XObject.
*/
public class PdfPSXObject : PdfTemplate {
/** Creates a new instance of PdfPSXObject */
protected PdfPSXObject() {
}
/**
* Constructs a PSXObject
* @param wr
*/
public PdfPSXObject(PdfWriter wr) : base(wr) {
}
/**
* Gets the stream representing this object.
*
* @return the stream representing this object
* @param compressionLevel the compressionLevel
* @return the stream representing this template
* @since 2.1.3 (replacing the method without param compressionLevel)
* @throws IOException
*/
internal override PdfStream FormXObject {
get {
PdfStream s = new PdfStream(content.ToByteArray());
s.Put(PdfName.TYPE, PdfName.XOBJECT);
s.Put(PdfName.SUBTYPE, PdfName.PS);
s.FlateCompress();
return s;
}
}
/**
* Gets a duplicate of this <CODE>PdfPSXObject</CODE>. All
* the members are copied by reference but the buffer stays different.
* @return a copy of this <CODE>PdfPSXObject</CODE>
*/
public override PdfContentByte Duplicate {
get {
PdfPSXObject tpl = new PdfPSXObject();
tpl.writer = writer;
tpl.pdf = pdf;
tpl.thisReference = thisReference;
tpl.pageResources = pageResources;
tpl.separator = separator;
return tpl;
}
}
}
}
internal override PdfStream GetFormXObject(int compressionLevel) {
PdfStream s = new PdfStream(content.ToByteArray());
s.Put(PdfName.TYPE, PdfName.XOBJECT);
s.Put(PdfName.SUBTYPE, PdfName.PS);
s.FlateCompress(compressionLevel);
return s;
}
/**
* Gets a duplicate of this <CODE>PdfPSXObject</CODE>. All
* the members are copied by reference but the buffer stays different.
* @return a copy of this <CODE>PdfPSXObject</CODE>
*/
public override PdfContentByte Duplicate {
get {
PdfPSXObject tpl = new PdfPSXObject();
tpl.writer = writer;
tpl.pdf = pdf;
tpl.thisReference = thisReference;
tpl.pageResources = pageResources;
tpl.separator = separator;
return tpl;
}
}
}
}

17
src/core/iTextSharp/text/pdf/PdfPattern.cs
View File

@ -54,7 +54,20 @@ namespace iTextSharp.text.pdf {
public class PdfPattern : PdfStream {
internal PdfPattern(PdfPatternPainter painter) : base() {
/**
* Creates a PdfPattern object.
* @param painter a pattern painter instance
*/
internal PdfPattern(PdfPatternPainter painter) : this(painter, DEFAULT_COMPRESSION) {
}
/**
* Creates a PdfPattern object.
* @param painter a pattern painter instance
* @param compressionLevel the compressionLevel for the stream
* @since 2.1.3
*/
internal PdfPattern(PdfPatternPainter painter, int compressionLevel) : base() {
PdfNumber one = new PdfNumber(1);
PdfArray matrix = painter.Matrix;
if ( matrix != null ) {
@ -73,7 +86,7 @@ namespace iTextSharp.text.pdf {
Put(PdfName.YSTEP, new PdfNumber(painter.YStep));
bytes = painter.ToPdf(null);
Put(PdfName.LENGTH, new PdfNumber(bytes.Length));
FlateCompress();
FlateCompress(compressionLevel);
}
}
}

25
src/core/iTextSharp/text/pdf/PdfPatternPainter.cs
View File

@ -110,16 +110,23 @@ namespace iTextSharp.text.pdf {
public void SetPatternMatrix(float a, float b, float c, float d, float e, float f) {
SetMatrix(a, b, c, d, e, f);
}
/**
* Gets the stream representing this pattern
*
* @return the stream representing this pattern
*/
internal PdfPattern Pattern {
get {
return new PdfPattern(this);
}
* Gets the stream representing this pattern
* @return the stream representing this pattern
*/
internal PdfPattern GetPattern() {
return new PdfPattern(this);
}
/**
* Gets the stream representing this pattern
* @param compressionLevel the compression level of the stream
* @return the stream representing this pattern
* @since 2.1.3
*/
internal PdfPattern GetPattern(int compressionLevel) {
return new PdfPattern(this, compressionLevel);
}
/**

11
src/core/iTextSharp/text/pdf/PdfReader.cs
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@ -1957,6 +1957,15 @@ namespace iTextSharp.text.pdf {
* @throws IOException on error
*/
public void SetPageContent(int pageNum, byte[] content) {
SetPageContent(pageNum, content, PdfStream.DEFAULT_COMPRESSION);
}
/** Sets the contents of the page.
* @param content the new page content
* @param pageNum the page number. 1 is the first
* @since 2.1.3 (the method already existed without param compressionLevel)
*/
public void SetPageContent(int pageNum, byte[] content, int compressionLevel) {
PdfDictionary page = GetPageN(pageNum);
if (page == null)
return;
@ -1968,7 +1977,7 @@ namespace iTextSharp.text.pdf {
freeXref = xrefObj.Count - 1;
}
page.Put(PdfName.CONTENTS, new PRIndirectReference(this, freeXref));
xrefObj[freeXref] = new PRStream(this, content);
xrefObj[freeXref] = new PRStream(this, content, compressionLevel);
}
/** Get the content from a stream applying the required filters.

16
src/core/iTextSharp/text/pdf/PdfReaderInstance.cs
View File

@ -82,8 +82,8 @@ namespace iTextSharp.text.pdf {
}
internal PdfImportedPage GetImportedPage(int pageNumber) {
if (!reader.IsOpenedWithFullPermissions)
throw new ArgumentException("PdfReader not opened with owner password");
if (!reader.IsOpenedWithFullPermissions)
throw new ArgumentException("PdfReader not opened with owner password");
if (pageNumber < 1 || pageNumber > reader.NumberOfPages)
throw new ArgumentException("Invalid page number: " + pageNumber);
PdfImportedPage pageT = (PdfImportedPage)importedPages[pageNumber];
@ -113,8 +113,14 @@ namespace iTextSharp.text.pdf {
return obj;
}
internal PdfStream GetFormXObject(int pageNumber) {
/**
* Gets the content stream of a page as a PdfStream object.
* @param pageNumber the page of which you want the stream
* @param compressionLevel the compression level you want to apply to the stream
* @return a PdfStream object
* @since 2.1.3 (the method already existed without param compressionLevel)
*/
internal PdfStream GetFormXObject(int pageNumber, int compressionLevel) {
PdfDictionary page = reader.GetPageNRelease(pageNumber);
PdfObject contents = PdfReader.GetPdfObjectRelease(page.Get(PdfName.CONTENTS));
PdfDictionary dic = new PdfDictionary();
@ -167,7 +173,7 @@ namespace iTextSharp.text.pdf {
try {
file.ReOpen();
foreach (PdfImportedPage ip in importedPages.Values) {
writer.AddToBody(ip.FormXObject, ip.IndirectReference);
writer.AddToBody(ip.GetFormXObject(writer.CompressionLevel), ip.IndirectReference);
}
WriteAllVisited();
}

4
src/core/iTextSharp/text/pdf/PdfStamperImp.cs
View File

@ -376,7 +376,7 @@ namespace iTextSharp.text.pdf {
if (ps.over != null)
out_p.Append(PdfContents.SAVESTATE);
PdfStream stream = new PdfStream(out_p.ToByteArray());
stream.FlateCompress();
stream.FlateCompress(compressionLevel);
ar.AddFirst(AddToBody(stream).IndirectReference);
out_p.Reset();
if (ps.over != null) {
@ -389,7 +389,7 @@ namespace iTextSharp.text.pdf {
out_p.Append(buf.Buffer, ps.replacePoint, buf.Size - ps.replacePoint);
out_p.Append(PdfContents.RESTORESTATE);
stream = new PdfStream(out_p.ToByteArray());
stream.FlateCompress();
stream.FlateCompress(compressionLevel);
ar.Add(AddToBody(stream).IndirectReference);
}
AlterResources(ps);

64
src/core/iTextSharp/text/pdf/PdfStream.cs
View File

@ -80,8 +80,35 @@ namespace iTextSharp.text.pdf {
// membervariables
/**
* A possible compression level.
* @since 2.1.3
*/
public const int DEFAULT_COMPRESSION = -1;
/**
* A possible compression level.
* @since 2.1.3
*/
public const int NO_COMPRESSION = 0;
/**
* A possible compression level.
* @since 2.1.3
*/
public const int BEST_SPEED = 1;
/**
* A possible compression level.
* @since 2.1.3
*/
public const int BEST_COMPRESSION = 9;
/** is the stream compressed? */
protected bool compressed = false;
/**
* The level of compression.
* @since 2.1.3
*/
protected int compressionLevel = NO_COMPRESSION;
protected MemoryStream streamBytes = null;
@ -168,18 +195,25 @@ namespace iTextSharp.text.pdf {
// methods
/**
* Compresses the stream.
*
* @throws PdfException if a filter is allready defined
*/
* Compresses the stream.
*/
public void FlateCompress() {
FlateCompress(DEFAULT_COMPRESSION);
}
/**
* Compresses the stream.
* @param compressionLevel the compression level (0 = best speed, 9 = best compression, -1 is default)
* @since 2.1.3
*/
public void FlateCompress(int compressionLevel) {
if (!Document.Compress)
return;
// check if the flateCompress-method has allready been
if (compressed) {
return;
}
this.compressionLevel = compressionLevel;
if (inputStream != null) {
compressed = true;
return;
@ -201,7 +235,7 @@ namespace iTextSharp.text.pdf {
}
// compress
MemoryStream stream = new MemoryStream();
ZDeflaterOutputStream zip = new ZDeflaterOutputStream(stream);
ZDeflaterOutputStream zip = new ZDeflaterOutputStream(stream, compressionLevel);
if (streamBytes != null)
streamBytes.WriteTo(zip);
else
@ -261,10 +295,10 @@ namespace iTextSharp.text.pdf {
OutputStreamCounter osc = new OutputStreamCounter(os);
OutputStreamEncryption ose = null;
Stream fout = osc;
if (crypto != null)
if (crypto != null && !crypto.IsEmbeddedFilesOnly())
fout = ose = crypto.GetEncryptionStream(fout);
if (compressed)
fout = def = new ZDeflaterOutputStream(fout);
fout = def = new ZDeflaterOutputStream(fout, compressionLevel);
byte[] buf = new byte[4192];
while (true) {
@ -281,13 +315,7 @@ namespace iTextSharp.text.pdf {
inputStreamLength = osc.Counter;
}
else {
if (crypto == null) {
if (streamBytes != null)
streamBytes.WriteTo(os);
else
os.Write(bytes, 0, bytes.Length);
}
else {
if (crypto != null && !crypto.IsEmbeddedFilesOnly()) {
byte[] b;
if (streamBytes != null) {
b = crypto.EncryptByteArray(streamBytes.ToArray());
@ -297,6 +325,12 @@ namespace iTextSharp.text.pdf {
}
os.Write(b, 0, b.Length);
}
else {
if (streamBytes != null)
streamBytes.WriteTo(os);
else
os.Write(bytes, 0, bytes.Length);
}
}
os.Write(ENDSTREAM, 0, ENDSTREAM.Length);
}

9
src/core/iTextSharp/text/pdf/PdfTemplate.cs
View File

@ -224,13 +224,12 @@ namespace iTextSharp.text.pdf {
/**
* Gets the stream representing this template.
*
* @param compressionLevel the compressionLevel
* @return the stream representing this template
* @since 2.1.3 (replacing the method without param compressionLevel)
*/
internal virtual PdfStream FormXObject {
get {
return new PdfFormXObject(this);
}
internal virtual PdfStream GetFormXObject(int compressionLevel) {
return new PdfFormXObject(this, compressionLevel);
}
/**

42
src/core/iTextSharp/text/pdf/PdfWriter.cs
View File

@ -277,7 +277,7 @@ namespace iTextSharp.text.pdf {
int first = index.Size;
index.Append(streamObjects);
PdfStream stream = new PdfStream(index.ToByteArray());
stream.FlateCompress();
stream.FlateCompress(writer.CompressionLevel);
stream.Put(PdfName.TYPE, PdfName.OBJSTM);
stream.Put(PdfName.N, new PdfNumber(numObj));
stream.Put(PdfName.FIRST, new PdfNumber(first));
@ -452,7 +452,7 @@ namespace iTextSharp.text.pdf {
}
PdfStream xr = new PdfStream(buf.ToByteArray());
buf = null;
xr.FlateCompress();
xr.FlateCompress(writer.CompressionLevel);
xr.Put(PdfName.SIZE, new PdfNumber(Size));
xr.Put(PdfName.ROOT, root);
if (info != null) {
@ -1182,7 +1182,7 @@ namespace iTextSharp.text.pdf {
if (template != null && template.IndirectReference is PRIndirectReference)
continue;
if (template != null && template.Type == PdfTemplate.TYPE_TEMPLATE) {
AddToBody(template.FormXObject, template.IndirectReference);
AddToBody(template.GetFormXObject(compressionLevel), template.IndirectReference);
}
}
// add all the dependencies in the imported pages
@ -1197,7 +1197,7 @@ namespace iTextSharp.text.pdf {
}
// add the pattern
foreach (PdfPatternPainter pat in documentPatterns.Keys) {
AddToBody(pat.Pattern, pat.IndirectReference);
AddToBody(pat.GetPattern(compressionLevel), pat.IndirectReference);
}
// add the shading patterns
foreach (PdfShadingPattern shadingPattern in documentShadingPatterns.Keys) {
@ -1746,7 +1746,7 @@ namespace iTextSharp.text.pdf {
outa.Put(PdfName.INFO, new PdfString(info, PdfObject.TEXT_UNICODE));
if (destOutputProfile != null) {
PdfStream stream = new PdfStream(destOutputProfile);
stream.FlateCompress();
stream.FlateCompress(compressionLevel);
outa.Put(PdfName.DESTOUTPUTPROFILE, AddToBody(stream).IndirectReference);
}
outa.Put(PdfName.S, PdfName.GTS_PDFX);
@ -1809,6 +1809,11 @@ namespace iTextSharp.text.pdf {
internal const int ENCRYPTION_MASK = 7;
/** Add this to the mode to keep the metadata in clear text */
public const int DO_NOT_ENCRYPT_METADATA = 8;
/**
* Add this to the mode to keep encrypt only the embedded files.
* @since 2.1.3
*/
public const int EMBEDDED_FILES_ONLY = 24;
// permissions
@ -2018,6 +2023,29 @@ namespace iTextSharp.text.pdf {
SetAtLeastPdfVersion(VERSION_1_5);
}
/**
* The compression level of the content streams.
* @since 2.1.3
*/
protected internal int compressionLevel = PdfStream.DEFAULT_COMPRESSION;
/**
* Sets the compression level to be used for streams written by this writer.
* @param compressionLevel a value between 0 (best speed) and 9 (best compression)
* @since 2.1.3
*/
public int CompressionLevel {
set {
if (compressionLevel < PdfStream.NO_COMPRESSION || compressionLevel > PdfStream.BEST_COMPRESSION)
compressionLevel = PdfStream.DEFAULT_COMPRESSION;
else
compressionLevel = value;
}
get {
return compressionLevel;
}
}
// [F3] adding fonts
/** The fonts of this document */
@ -2111,7 +2139,7 @@ namespace iTextSharp.text.pdf {
if (template.IndirectReference is PRIndirectReference)
return;
if (template.Type == PdfTemplate.TYPE_TEMPLATE) {
AddToBody(template.FormXObject, template.IndirectReference);
AddToBody(template.GetFormXObject(compressionLevel), template.IndirectReference);
objs[1] = null;
}
}
@ -2841,7 +2869,7 @@ namespace iTextSharp.text.pdf {
}
PdfImage i = new PdfImage(image, "img" + images.Count, maskRef);
if (image.HasICCProfile()) {
PdfICCBased icc = new PdfICCBased(image.TagICC);
PdfICCBased icc = new PdfICCBased(image.TagICC, image.CompressionLevel);
PdfIndirectReference iccRef = Add(icc);
PdfArray iccArray = new PdfArray();
iccArray.Add(PdfName.ICCBASED);

10
src/core/iTextSharp/text/pdf/TrueTypeFont.cs
View File

@ -6,7 +6,7 @@ using System.Collections;
using iTextSharp.text;
/*
* $Id: TrueTypeFont.cs,v 1.13 2008/06/01 13:17:07 psoares33 Exp $
* $Id: TrueTypeFont.cs,v 1.12 2008/05/13 11:25:23 psoares33 Exp $
*
*
* Copyright 2001, 2002 Paulo Soares
@ -1258,7 +1258,7 @@ namespace iTextSharp.text.pdf {
string subsetPrefix = "";
if (embedded) {
if (cff) {
pobj = new StreamFont(ReadCffFont(), "Type1C");
pobj = new StreamFont(ReadCffFont(), "Type1C", compressionLevel);
obj = writer.AddToBody(pobj);
ind_font = obj.IndirectReference;
}
@ -1294,7 +1294,7 @@ namespace iTextSharp.text.pdf {
b = GetFullFont();
}
int[] lengths = new int[]{b.Length};
pobj = new StreamFont(b, lengths);
pobj = new StreamFont(b, lengths, compressionLevel);
obj = writer.AddToBody(pobj);
ind_font = obj.IndirectReference;
}
@ -1341,12 +1341,12 @@ namespace iTextSharp.text.pdf {
*/
public override PdfStream GetFullFontStream() {
if (cff) {
return new StreamFont(ReadCffFont(), "Type1C");
return new StreamFont(ReadCffFont(), "Type1C", compressionLevel);
}
else {
byte[] b = GetFullFont();
int[] lengths = new int[]{b.Length};
return new StreamFont(b, lengths);
return new StreamFont(b, lengths, compressionLevel);
}
}

12
src/core/iTextSharp/text/pdf/TrueTypeFontUnicode.cs
View File

@ -4,7 +4,7 @@ using System.Text;
using System.Collections;
/*
* $Id: TrueTypeFontUnicode.cs,v 1.13 2008/06/01 13:17:07 psoares33 Exp $
* $Id: TrueTypeFontUnicode.cs,v 1.12 2008/05/13 11:25:23 psoares33 Exp $
*
*
* Copyright 2001, 2002 Paulo Soares
@ -207,7 +207,7 @@ namespace iTextSharp.text.pdf {
"end end\n");
string s = buf.ToString();
PdfStream stream = new PdfStream(PdfEncodings.ConvertToBytes(s, null));
stream.FlateCompress();
stream.FlateCompress(compressionLevel);
return stream;
}
@ -351,7 +351,7 @@ namespace iTextSharp.text.pdf {
bt[v / 8] |= rotbits[v % 8];
}
stream = new PdfStream(bt);
stream.FlateCompress();
stream.FlateCompress(compressionLevel);
}
cidset = writer.AddToBody(stream).IndirectReference;
}
@ -363,7 +363,7 @@ namespace iTextSharp.text.pdf {
b = cffs.Process((cffs.GetNames())[0] );
}
pobj = new StreamFont(b, "CIDFontType0C");
pobj = new StreamFont(b, "CIDFontType0C", compressionLevel);
obj = writer.AddToBody(pobj);
ind_font = obj.IndirectReference;
} else {
@ -376,7 +376,7 @@ namespace iTextSharp.text.pdf {
b = GetFullFont();
}
int[] lengths = new int[]{b.Length};
pobj = new StreamFont(b, lengths);
pobj = new StreamFont(b, lengths, compressionLevel);
obj = writer.AddToBody(pobj);
ind_font = obj.IndirectReference;
}
@ -409,7 +409,7 @@ namespace iTextSharp.text.pdf {
*/
public override PdfStream GetFullFontStream() {
if (cff) {
return new StreamFont(ReadCffFont(), "CIDFontType0C");
return new StreamFont(ReadCffFont(), "CIDFontType0C", compressionLevel);
}
return base.GetFullFontStream();
}

4
src/core/iTextSharp/text/pdf/Type1Font.cs
View File

@ -4,7 +4,7 @@ using System.Collections;
using System.util;
/*
* $Id: Type1Font.cs,v 1.14 2008/06/01 13:17:07 psoares33 Exp $
* $Id: Type1Font.cs,v 1.13 2008/05/13 11:25:23 psoares33 Exp $
*
*
* Copyright 2001, 2002 Paulo Soares
@ -503,7 +503,7 @@ namespace iTextSharp.text.pdf {
size -= got;
}
}
return new StreamFont(st, lengths);
return new StreamFont(st, lengths, compressionLevel);
}
finally {
if (rf != null) {

610
src/core/iTextSharp/text/pdf/Type3Font.cs
View File

@ -1,178 +1,178 @@
using System;
using System.Collections;
/*
* Copyright 2005 by Paulo Soares.
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
namespace iTextSharp.text.pdf {
/**
* A class to support Type3 fonts.
*/
public class Type3Font : BaseFont {
private bool[] usedSlot;
private IntHashtable widths3 = new IntHashtable();
private Hashtable char2glyph = new Hashtable();
private PdfWriter writer;
private float llx = float.NaN, lly, urx, ury;
private PageResources pageResources = new PageResources();
private bool colorized;
/**
* Creates a Type3 font.
* @param writer the writer
* @param chars an array of chars corresponding to the glyphs used (not used, prisent for compability only)
* @param colorized if <CODE>true</CODE> the font may specify color, if <CODE>false</CODE> no color commands are allowed
* and only images as masks can be used
*/
public Type3Font(PdfWriter writer, char[] chars, bool colorized) : this(writer, colorized) {
}
/**
* Creates a Type3 font. This implementation assumes that the /FontMatrix is
* [0.001 0 0 0.001 0 0] or a 1000-unit glyph coordinate system.
* <p>
* An example:
* <p>
* <pre>
* Document document = new Document(PageSize.A4);
* PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("type3.pdf"));
* document.open();
* Type3Font t3 = new Type3Font(writer, false);
* PdfContentByte g = t3.defineGlyph('a', 1000, 0, 0, 750, 750);
* g.rectangle(0, 0, 750, 750);
* g.fill();
* g = t3.defineGlyph('b', 1000, 0, 0, 750, 750);
* g.moveTo(0, 0);
* g.lineTo(375, 750);
* g.lineTo(750, 0);
* g.fill();
* Font f = new Font(t3, 12);
* document.add(new Paragraph("ababab", f));
* document.close();
* </pre>
* @param writer the writer
* @param colorized if <CODE>true</CODE> the font may specify color, if <CODE>false</CODE> no color commands are allowed
* and only images as masks can be used
*/
public Type3Font(PdfWriter writer, bool colorized) {
this.writer = writer;
this.colorized = colorized;
fontType = FONT_TYPE_T3;
usedSlot = new bool[256];
}
/**
* Defines a glyph. If the character was already defined it will return the same content
* @param c the character to match this glyph.
* @param wx the advance this character will have
* @param llx the X lower left corner of the glyph bounding box. If the <CODE>colorize</CODE> option is
* <CODE>true</CODE> the value is ignored
* @param lly the Y lower left corner of the glyph bounding box. If the <CODE>colorize</CODE> option is
* <CODE>true</CODE> the value is ignored
* @param urx the X upper right corner of the glyph bounding box. If the <CODE>colorize</CODE> option is
* <CODE>true</CODE> the value is ignored
* @param ury the Y upper right corner of the glyph bounding box. If the <CODE>colorize</CODE> option is
* <CODE>true</CODE> the value is ignored
* @return a content where the glyph can be defined
*/
public PdfContentByte DefineGlyph(char c, float wx, float llx, float lly, float urx, float ury) {
if (c == 0 || c > 255)
throw new ArgumentException("The char " + (int)c + " doesn't belong in this Type3 font");
usedSlot[c] = true;
Type3Glyph glyph = (Type3Glyph)char2glyph[c];
if (glyph != null)
return glyph;
widths3[c] = (int)wx;
if (!colorized) {
if (float.IsNaN(this.llx)) {
this.llx = llx;
this.lly = lly;
this.urx = urx;
this.ury = ury;
}
else {
this.llx = Math.Min(this.llx, llx);
this.lly = Math.Min(this.lly, lly);
this.urx = Math.Max(this.urx, urx);
this.ury = Math.Max(this.ury, ury);
}
}
glyph = new Type3Glyph(writer, pageResources, wx, llx, lly, urx, ury, colorized);
char2glyph[c] = glyph;
return glyph;
}
public override String[][] FamilyFontName {
get {
return FullFontName;
}
}
public override float GetFontDescriptor(int key, float fontSize) {
return 0;
}
public override String[][] FullFontName {
get {
return new string[][]{new string[]{"", "", "", ""}};
}
}
public override string[][] AllNameEntries {
get {
return new string[][]{new string[]{"4", "", "", "", ""}};
}
}
public override int GetKerning(int char1, int char2) {
return 0;
}
using System;
using System.Collections;
/*
* Copyright 2005 by Paulo Soares.
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
namespace iTextSharp.text.pdf {
/**
* A class to support Type3 fonts.
*/
public class Type3Font : BaseFont {
private bool[] usedSlot;
private IntHashtable widths3 = new IntHashtable();
private Hashtable char2glyph = new Hashtable();
private PdfWriter writer;
private float llx = float.NaN, lly, urx, ury;
private PageResources pageResources = new PageResources();
private bool colorized;
/**
* Creates a Type3 font.
* @param writer the writer
* @param chars an array of chars corresponding to the glyphs used (not used, prisent for compability only)
* @param colorized if <CODE>true</CODE> the font may specify color, if <CODE>false</CODE> no color commands are allowed
* and only images as masks can be used
*/
public Type3Font(PdfWriter writer, char[] chars, bool colorized) : this(writer, colorized) {
}
/**
* Creates a Type3 font. This implementation assumes that the /FontMatrix is
* [0.001 0 0 0.001 0 0] or a 1000-unit glyph coordinate system.
* <p>
* An example:
* <p>
* <pre>
* Document document = new Document(PageSize.A4);
* PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("type3.pdf"));
* document.open();
* Type3Font t3 = new Type3Font(writer, false);
* PdfContentByte g = t3.defineGlyph('a', 1000, 0, 0, 750, 750);
* g.rectangle(0, 0, 750, 750);
* g.fill();
* g = t3.defineGlyph('b', 1000, 0, 0, 750, 750);
* g.moveTo(0, 0);
* g.lineTo(375, 750);
* g.lineTo(750, 0);
* g.fill();
* Font f = new Font(t3, 12);
* document.add(new Paragraph("ababab", f));
* document.close();
* </pre>
* @param writer the writer
* @param colorized if <CODE>true</CODE> the font may specify color, if <CODE>false</CODE> no color commands are allowed
* and only images as masks can be used
*/
public Type3Font(PdfWriter writer, bool colorized) {
this.writer = writer;
this.colorized = colorized;
fontType = FONT_TYPE_T3;
usedSlot = new bool[256];
}
/**
* Defines a glyph. If the character was already defined it will return the same content
* @param c the character to match this glyph.
* @param wx the advance this character will have
* @param llx the X lower left corner of the glyph bounding box. If the <CODE>colorize</CODE> option is
* <CODE>true</CODE> the value is ignored
* @param lly the Y lower left corner of the glyph bounding box. If the <CODE>colorize</CODE> option is
* <CODE>true</CODE> the value is ignored
* @param urx the X upper right corner of the glyph bounding box. If the <CODE>colorize</CODE> option is
* <CODE>true</CODE> the value is ignored
* @param ury the Y upper right corner of the glyph bounding box. If the <CODE>colorize</CODE> option is
* <CODE>true</CODE> the value is ignored
* @return a content where the glyph can be defined
*/
public PdfContentByte DefineGlyph(char c, float wx, float llx, float lly, float urx, float ury) {
if (c == 0 || c > 255)
throw new ArgumentException("The char " + (int)c + " doesn't belong in this Type3 font");
usedSlot[c] = true;
Type3Glyph glyph = (Type3Glyph)char2glyph[c];
if (glyph != null)
return glyph;
widths3[c] = (int)wx;
if (!colorized) {
if (float.IsNaN(this.llx)) {
this.llx = llx;
this.lly = lly;
this.urx = urx;
this.ury = ury;
}
else {
this.llx = Math.Min(this.llx, llx);
this.lly = Math.Min(this.lly, lly);
this.urx = Math.Max(this.urx, urx);
this.ury = Math.Max(this.ury, ury);
}
}
glyph = new Type3Glyph(writer, pageResources, wx, llx, lly, urx, ury, colorized);
char2glyph[c] = glyph;
return glyph;
}
public override String[][] FamilyFontName {
get {
return FullFontName;
}
}
public override float GetFontDescriptor(int key, float fontSize) {
return 0;
}
public override String[][] FullFontName {
get {
return new string[][]{new string[]{"", "", "", ""}};
}
}
public override string[][] AllNameEntries {
get {
return new string[][]{new string[]{"4", "", "", "", ""}};
}
}
public override int GetKerning(int char1, int char2) {
return 0;
}
public override string PostscriptFontName {
get {
return "";
@ -180,87 +180,87 @@ namespace iTextSharp.text.pdf {
set {
}
}
protected override int[] GetRawCharBBox(int c, String name) {
return null;
}
internal override int GetRawWidth(int c, String name) {
return 0;
}
public override bool HasKernPairs() {
return false;
}
public override bool SetKerning(int char1, int char2, int kern) {
return false;
}
internal override void WriteFont(PdfWriter writer, PdfIndirectReference piRef, Object[] oParams) {
if (this.writer != writer)
throw new ArgumentException("Type3 font used with the wrong PdfWriter");
// Get first & lastchar ...
int firstChar = 0;
while( firstChar < usedSlot.Length && !usedSlot[firstChar] ) firstChar++;
if ( firstChar == usedSlot.Length ) {
throw new DocumentException( "No glyphs defined for Type3 font" );
}
int lastChar = usedSlot.Length - 1;
while( lastChar >= firstChar && !usedSlot[lastChar] ) lastChar--;
int[] widths = new int[lastChar - firstChar + 1];
int[] invOrd = new int[lastChar - firstChar + 1];
int invOrdIndx = 0, w = 0;
for( int u = firstChar; u<=lastChar; u++, w++ ) {
if ( usedSlot[u] ) {
invOrd[invOrdIndx++] = u;
widths[w] = widths3[u];
}
}
PdfArray diffs = new PdfArray();
PdfDictionary charprocs = new PdfDictionary();
int last = -1;
for (int k = 0; k < invOrdIndx; ++k) {
int c = invOrd[k];
if (c > last) {
last = c;
diffs.Add(new PdfNumber(last));
}
++last;
int c2 = invOrd[k];
String s = GlyphList.UnicodeToName(c2);
if (s == null)
s = "a" + c2;
PdfName n = new PdfName(s);
diffs.Add(n);
Type3Glyph glyph = (Type3Glyph)char2glyph[(char)c2];
PdfStream stream = new PdfStream(glyph.ToPdf(null));
stream.FlateCompress();
PdfIndirectReference refp = writer.AddToBody(stream).IndirectReference;
charprocs.Put(n, refp);
}
PdfDictionary font = new PdfDictionary(PdfName.FONT);
font.Put(PdfName.SUBTYPE, PdfName.TYPE3);
if (colorized)
font.Put(PdfName.FONTBBOX, new PdfRectangle(0, 0, 0, 0));
else
font.Put(PdfName.FONTBBOX, new PdfRectangle(llx, lly, urx, ury));
font.Put(PdfName.FONTMATRIX, new PdfArray(new float[]{0.001f, 0, 0, 0.001f, 0, 0}));
font.Put(PdfName.CHARPROCS, writer.AddToBody(charprocs).IndirectReference);
PdfDictionary encoding = new PdfDictionary();
encoding.Put(PdfName.DIFFERENCES, diffs);
font.Put(PdfName.ENCODING, writer.AddToBody(encoding).IndirectReference);
font.Put(PdfName.FIRSTCHAR, new PdfNumber(firstChar));
font.Put(PdfName.LASTCHAR, new PdfNumber(lastChar));
font.Put(PdfName.WIDTHS, writer.AddToBody(new PdfArray(widths)).IndirectReference);
if (pageResources.HasResources())
font.Put(PdfName.RESOURCES, writer.AddToBody(pageResources.Resources).IndirectReference);
writer.AddToBody(font, piRef);
}
protected override int[] GetRawCharBBox(int c, String name) {
return null;
}
internal override int GetRawWidth(int c, String name) {
return 0;
}
public override bool HasKernPairs() {
return false;
}
public override bool SetKerning(int char1, int char2, int kern) {
return false;
}
internal override void WriteFont(PdfWriter writer, PdfIndirectReference piRef, Object[] oParams) {
if (this.writer != writer)
throw new ArgumentException("Type3 font used with the wrong PdfWriter");
// Get first & lastchar ...
int firstChar = 0;
while( firstChar < usedSlot.Length && !usedSlot[firstChar] ) firstChar++;
if ( firstChar == usedSlot.Length ) {
throw new DocumentException( "No glyphs defined for Type3 font" );
}
int lastChar = usedSlot.Length - 1;
while( lastChar >= firstChar && !usedSlot[lastChar] ) lastChar--;
int[] widths = new int[lastChar - firstChar + 1];
int[] invOrd = new int[lastChar - firstChar + 1];
int invOrdIndx = 0, w = 0;
for( int u = firstChar; u<=lastChar; u++, w++ ) {
if ( usedSlot[u] ) {
invOrd[invOrdIndx++] = u;
widths[w] = widths3[u];
}
}
PdfArray diffs = new PdfArray();
PdfDictionary charprocs = new PdfDictionary();
int last = -1;
for (int k = 0; k < invOrdIndx; ++k) {
int c = invOrd[k];
if (c > last) {
last = c;
diffs.Add(new PdfNumber(last));
}
++last;
int c2 = invOrd[k];
String s = GlyphList.UnicodeToName(c2);
if (s == null)
s = "a" + c2;
PdfName n = new PdfName(s);
diffs.Add(n);
Type3Glyph glyph = (Type3Glyph)char2glyph[(char)c2];
PdfStream stream = new PdfStream(glyph.ToPdf(null));
stream.FlateCompress(compressionLevel);
PdfIndirectReference refp = writer.AddToBody(stream).IndirectReference;
charprocs.Put(n, refp);
}
PdfDictionary font = new PdfDictionary(PdfName.FONT);
font.Put(PdfName.SUBTYPE, PdfName.TYPE3);
if (colorized)
font.Put(PdfName.FONTBBOX, new PdfRectangle(0, 0, 0, 0));
else
font.Put(PdfName.FONTBBOX, new PdfRectangle(llx, lly, urx, ury));
font.Put(PdfName.FONTMATRIX, new PdfArray(new float[]{0.001f, 0, 0, 0.001f, 0, 0}));
font.Put(PdfName.CHARPROCS, writer.AddToBody(charprocs).IndirectReference);
PdfDictionary encoding = new PdfDictionary();
encoding.Put(PdfName.DIFFERENCES, diffs);
font.Put(PdfName.ENCODING, writer.AddToBody(encoding).IndirectReference);
font.Put(PdfName.FIRSTCHAR, new PdfNumber(firstChar));
font.Put(PdfName.LASTCHAR, new PdfNumber(lastChar));
font.Put(PdfName.WIDTHS, writer.AddToBody(new PdfArray(widths)).IndirectReference);
if (pageResources.HasResources())
font.Put(PdfName.RESOURCES, writer.AddToBody(pageResources.Resources).IndirectReference);
writer.AddToBody(font, piRef);
}
/**
* Always returns null, because you can't get the FontStream of a Type3 font.
* @return null
@ -269,58 +269,58 @@ namespace iTextSharp.text.pdf {
public override PdfStream GetFullFontStream() {
return null;
}
internal override byte[] ConvertToBytes(String text) {
char[] cc = text.ToCharArray();
byte[] b = new byte[cc.Length];
int p = 0;
for (int k = 0; k < cc.Length; ++k) {
char c = cc[k];
if (CharExists(c))
b[p++] = (byte)c;
}
if (b.Length == p)
return b;
byte[] b2 = new byte[p];
Array.Copy(b, 0, b2, 0, p);
return b2;
}
internal override byte[] ConvertToBytes(int char1) {
if (CharExists(char1))
return new byte[]{(byte)char1};
else return new byte[0];
}
public override int GetWidth(int char1) {
if (!widths3.ContainsKey(char1))
throw new ArgumentException("The char " + (int)char1 + " is not defined in a Type3 font");
return widths3[char1];
}
public override int GetWidth(String text) {
char[] c = text.ToCharArray();
int total = 0;
for (int k = 0; k < c.Length; ++k)
total += GetWidth(c[k]);
return total;
}
public override int[] GetCharBBox(int c) {
return null;
}
public override bool CharExists(int c) {
internal override byte[] ConvertToBytes(String text) {
char[] cc = text.ToCharArray();
byte[] b = new byte[cc.Length];
int p = 0;
for (int k = 0; k < cc.Length; ++k) {
char c = cc[k];
if (CharExists(c))
b[p++] = (byte)c;
}
if (b.Length == p)
return b;
byte[] b2 = new byte[p];
Array.Copy(b, 0, b2, 0, p);
return b2;
}
internal override byte[] ConvertToBytes(int char1) {
if (CharExists(char1))
return new byte[]{(byte)char1};
else return new byte[0];
}
public override int GetWidth(int char1) {
if (!widths3.ContainsKey(char1))
throw new ArgumentException("The char " + (int)char1 + " is not defined in a Type3 font");
return widths3[char1];
}
public override int GetWidth(String text) {
char[] c = text.ToCharArray();
int total = 0;
for (int k = 0; k < c.Length; ++k)
total += GetWidth(c[k]);
return total;
}
public override int[] GetCharBBox(int c) {
return null;
}
public override bool CharExists(int c) {
if ( c > 0 && c < 256 ) {
return usedSlot[c];
} else {
return false;
}
}
public override bool SetCharAdvance(int c, int advance) {
return false;
}
}
}
public override bool SetCharAdvance(int c, int advance) {
return false;
}
}
}