com.lowagie.text.rtf.style.RtfParagraphStyle Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of itext2 Show documentation
Show all versions of itext2 Show documentation
Itext is a java library to create and manipulate PDFs.
This is a fork of version 2.1.7 the last MPL/LGPL version.
It's focused basically on mantain compatibility with newer bouncycastle releases and small bugfixes.
/*
* $Id: RtfParagraphStyle.java 3580 2008-08-06 15:52:00Z howard_s $
*
* Copyright 2001, 2002, 2003, 2004 by Mark Hall
*
* 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/
*/
package com.lowagie.text.rtf.style;
import java.awt.Color;
import java.io.IOException;
import java.io.OutputStream;
import com.lowagie.text.DocWriter;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.rtf.RtfBasicElement;
import com.lowagie.text.rtf.document.RtfDocument;
import com.lowagie.text.rtf.text.RtfParagraph;
/**
* The RtfParagraphStyle stores all style/formatting attributes of a RtfParagraph.
* Additionally it also supports the style name system available in RTF. The RtfParagraphStyle
* is a Font and can thus be used as such. To use the stylesheet functionality
* it needs to be set as the font of a Paragraph. Otherwise it will work like a
* RtfFont. It also supports inheritance of styles.
*
* @version $Id: RtfParagraphStyle.java 3580 2008-08-06 15:52:00Z howard_s $
* @author Mark Hall ([email protected])
* @author Thomas Bickel ([email protected])
*/
public class RtfParagraphStyle extends RtfFont {
/**
* Constant for left alignment
*/
public static final byte[] ALIGN_LEFT = DocWriter.getISOBytes("\\ql");
/**
* Constant for right alignment
*/
public static final byte[] ALIGN_RIGHT = DocWriter.getISOBytes("\\qr");
/**
* Constant for center alignment
*/
public static final byte[] ALIGN_CENTER = DocWriter.getISOBytes("\\qc");
/**
* Constant for justified alignment
*/
public static final byte[] ALIGN_JUSTIFY = DocWriter.getISOBytes("\\qj");
/**
* Constant for the first line indentation
*/
public static final byte[] FIRST_LINE_INDENT = DocWriter.getISOBytes("\\fi");
/**
* Constant for left indentation
*/
public static final byte[] INDENT_LEFT = DocWriter.getISOBytes("\\li");
/**
* Constant for right indentation
*/
public static final byte[] INDENT_RIGHT = DocWriter.getISOBytes("\\ri");
/**
* Constant for keeping the paragraph together on one page
*/
public static final byte[] KEEP_TOGETHER = DocWriter.getISOBytes("\\keep");
/**
* Constant for keeping the paragraph together with the next one on one page
*/
public static final byte[] KEEP_TOGETHER_WITH_NEXT = DocWriter.getISOBytes("\\keepn");
/**
* Constant for the space after the paragraph.
*/
public static final byte[] SPACING_AFTER = DocWriter.getISOBytes("\\sa");
/**
* Constant for the space before the paragraph.
*/
public static final byte[] SPACING_BEFORE = DocWriter.getISOBytes("\\sb");
/**
* The NORMAL/STANDARD style.
*/
public static final RtfParagraphStyle STYLE_NORMAL = new RtfParagraphStyle("Normal", "Arial", 12, Font.NORMAL, Color.black);
/**
* The style for level 1 headings.
*/
public static final RtfParagraphStyle STYLE_HEADING_1 = new RtfParagraphStyle("heading 1", "Normal");
/**
* The style for level 2 headings.
*/
public static final RtfParagraphStyle STYLE_HEADING_2 = new RtfParagraphStyle("heading 2", "Normal");
/**
* The style for level 3 headings.
*/
public static final RtfParagraphStyle STYLE_HEADING_3 = new RtfParagraphStyle("heading 3", "Normal");
/**
* Initializes the properties of the styles.
*/
static {
STYLE_HEADING_1.setSize(16);
STYLE_HEADING_1.setStyle(Font.BOLD);
STYLE_HEADING_2.setSize(14);
STYLE_HEADING_2.setStyle(Font.BOLDITALIC);
STYLE_HEADING_3.setSize(13);
STYLE_HEADING_3.setStyle(Font.BOLD);
}
/**
* No modification has taken place when compared to the RtfParagraphStyle this RtfParagraphStyle
* is based on. These modification markers are used to determine what needs to be
* inherited and what not from the parent RtfParagraphStyle.
*/
private static final int MODIFIED_NONE = 0;
/**
* The alignment has been modified.
*/
private static final int MODIFIED_ALIGNMENT = 1;
/**
* The left indentation has been modified.
*/
private static final int MODIFIED_INDENT_LEFT = 2;
/**
* The right indentation has been modified.
*/
private static final int MODIFIED_INDENT_RIGHT = 4;
/**
* The spacing before a paragraph has been modified.
*/
private static final int MODIFIED_SPACING_BEFORE = 8;
/**
* The spacing after a paragraph has been modified.
*/
private static final int MODIFIED_SPACING_AFTER = 16;
/**
* The font name has been modified.
*/
private static final int MODIFIED_FONT_NAME = 32;
/**
* The font style has been modified.
*/
private static final int MODIFIED_FONT_SIZE = 64;
/**
* The font size has been modified.
*/
private static final int MODIFIED_FONT_STYLE = 128;
/**
* The font color has been modified.
*/
private static final int MODIFIED_FONT_COLOR = 256;
/**
* The line leading has been modified.
*/
private static final int MODIFIED_LINE_LEADING = 512;
/**
* The paragraph keep together setting has been modified.
*/
private static final int MODIFIED_KEEP_TOGETHER = 1024;
/**
* The paragraph keep together with next setting has been modified.
*/
private static final int MODIFIED_KEEP_TOGETHER_WITH_NEXT = 2048;
/**
* The alignment of the paragraph.
*/
private int alignment = Element.ALIGN_LEFT;
/**
* The indentation for the first line
*/
private int firstLineIndent = 0;
/**
* The left indentation of the paragraph.
*/
private int indentLeft = 0;
/**
* The right indentation of the paragraph.
*/
private int indentRight = 0;
/**
* The spacing before a paragraph.
*/
private int spacingBefore = 0;
/**
* The spacing after a paragraph.
*/
private int spacingAfter = 0;
/**
* The line leading of the paragraph.
*/
private int lineLeading = 0;
/**
* Whether this RtfParagraph must stay on one page.
*/
private boolean keepTogether = false;
/**
* Whether this RtfParagraph must stay on the same page as the next paragraph.
*/
private boolean keepTogetherWithNext = false;
/**
* The name of this RtfParagraphStyle.
*/
private String styleName = "";
/**
* The name of the RtfParagraphStyle this RtfParagraphStyle is based on.
*/
private String basedOnName = null;
/**
* The RtfParagraphStyle this RtfParagraphStyle is based on.
*/
private RtfParagraphStyle baseStyle = null;
/**
* Which properties have been modified when compared to the base style.
*/
private int modified = MODIFIED_NONE;
/**
* The number of this RtfParagraphStyle in the stylesheet list.
*/
private int styleNumber = -1;
/**
* Constructs a new RtfParagraphStyle with the given attributes.
*
* @param styleName The name of this RtfParagraphStyle.
* @param fontName The name of the font to use for this RtfParagraphStyle.
* @param fontSize The size of the font to use for this RtfParagraphStyle.
* @param fontStyle The style of the font to use for this RtfParagraphStyle.
* @param fontColor The color of the font to use for this RtfParagraphStyle.
*/
public RtfParagraphStyle(String styleName, String fontName, int fontSize, int fontStyle, Color fontColor) {
super(null, new RtfFont(fontName, fontSize, fontStyle, fontColor));
this.styleName = styleName;
}
/**
* Constructs a new RtfParagraphStyle that is based on an existing RtfParagraphStyle.
*
* @param styleName The name of this RtfParagraphStyle.
* @param basedOnName The name of the RtfParagraphStyle this RtfParagraphStyle is based on.
*/
public RtfParagraphStyle(String styleName, String basedOnName) {
super(null, new Font());
this.styleName = styleName;
this.basedOnName = basedOnName;
}
/**
* Constructs a RtfParagraphStyle from another RtfParagraphStyle.
*
* INTERNAL USE ONLY
*
* @param doc The RtfDocument this RtfParagraphStyle belongs to.
* @param style The RtfParagraphStyle to copy settings from.
*/
public RtfParagraphStyle(RtfDocument doc, RtfParagraphStyle style) {
super(doc, style);
this.document = doc;
this.styleName = style.getStyleName();
this.alignment = style.getAlignment();
this.firstLineIndent = (int)(style.getFirstLineIndent() * RtfBasicElement.TWIPS_FACTOR);
this.indentLeft = (int) (style.getIndentLeft() * RtfBasicElement.TWIPS_FACTOR);
this.indentRight = (int) (style.getIndentRight() * RtfBasicElement.TWIPS_FACTOR);
this.spacingBefore = (int) (style.getSpacingBefore() * RtfBasicElement.TWIPS_FACTOR);
this.spacingAfter = (int) (style.getSpacingAfter() * RtfBasicElement.TWIPS_FACTOR);
this.lineLeading = (int) (style.getLineLeading() * RtfBasicElement.TWIPS_FACTOR);
this.keepTogether = style.getKeepTogether();
this.keepTogetherWithNext = style.getKeepTogetherWithNext();
this.basedOnName = style.basedOnName;
this.modified = style.modified;
this.styleNumber = style.getStyleNumber();
if(this.document != null) {
setRtfDocument(this.document);
}
}
/**
* Gets the name of this RtfParagraphStyle.
*
* @return The name of this RtfParagraphStyle.
*/
public String getStyleName() {
return this.styleName;
}
/**
* Gets the name of the RtfParagraphStyle this RtfParagraphStyle is based on.
*
* @return The name of the base RtfParagraphStyle.
*/
public String getBasedOnName() {
return this.basedOnName;
}
/**
* Gets the alignment of this RtfParagraphStyle.
*
* @return The alignment of this RtfParagraphStyle.
*/
public int getAlignment() {
return this.alignment;
}
/**
* Sets the alignment of this RtfParagraphStyle.
*
* @param alignment The alignment to use.
*/
public void setAlignment(int alignment) {
this.modified = this.modified | MODIFIED_ALIGNMENT;
this.alignment = alignment;
}
/**
* Gets the first line indentation of this RtfParagraphStyle.
*
* @return The first line indentation of this RtfParagraphStyle.
*/
public int getFirstLineIndent() {
return this.firstLineIndent;
}
/**
* Sets the first line indentation of this RtfParagraphStyle. It
* is relative to the left indentation.
*
* @param firstLineIndent The first line indentation to use.
*/
public void setFirstLineIndent(int firstLineIndent) {
this.firstLineIndent = firstLineIndent;
}
/**
* Gets the left indentation of this RtfParagraphStyle.
*
* @return The left indentation of this RtfParagraphStyle.
*/
public int getIndentLeft() {
return this.indentLeft;
}
/**
* Sets the left indentation of this RtfParagraphStyle.
*
* @param indentLeft The left indentation to use.
*/
public void setIndentLeft(int indentLeft) {
this.modified = this.modified | MODIFIED_INDENT_LEFT;
this.indentLeft = indentLeft;
}
/**
* Gets the right indentation of this RtfParagraphStyle.
*
* @return The right indentation of this RtfParagraphStyle.
*/
public int getIndentRight() {
return this.indentRight;
}
/**
* Sets the right indentation of this RtfParagraphStyle.
*
* @param indentRight The right indentation to use.
*/
public void setIndentRight(int indentRight) {
this.modified = this.modified | MODIFIED_INDENT_RIGHT;
this.indentRight = indentRight;
}
/**
* Gets the space before the paragraph of this RtfParagraphStyle..
*
* @return The space before the paragraph.
*/
public int getSpacingBefore() {
return this.spacingBefore;
}
/**
* Sets the space before the paragraph of this RtfParagraphStyle.
*
* @param spacingBefore The space before to use.
*/
public void setSpacingBefore(int spacingBefore) {
this.modified = this.modified | MODIFIED_SPACING_BEFORE;
this.spacingBefore = spacingBefore;
}
/**
* Gets the space after the paragraph of this RtfParagraphStyle.
*
* @return The space after the paragraph.
*/
public int getSpacingAfter() {
return this.spacingAfter;
}
/**
* Sets the space after the paragraph of this RtfParagraphStyle.
*
* @param spacingAfter The space after to use.
*/
public void setSpacingAfter(int spacingAfter) {
this.modified = this.modified | MODIFIED_SPACING_AFTER;
this.spacingAfter = spacingAfter;
}
/**
* Sets the font name of this RtfParagraphStyle.
*
* @param fontName The font name to use
*/
public void setFontName(String fontName) {
this.modified = this.modified | MODIFIED_FONT_NAME;
super.setFontName(fontName);
}
/**
* Sets the font size of this RtfParagraphStyle.
*
* @param fontSize The font size to use.
*/
public void setSize(float fontSize) {
this.modified = this.modified | MODIFIED_FONT_SIZE;
super.setSize(fontSize);
}
/**
* Sets the font style of this RtfParagraphStyle.
*
* @param fontStyle The font style to use.
*/
public void setStyle(int fontStyle) {
this.modified = this.modified | MODIFIED_FONT_STYLE;
super.setStyle(fontStyle);
}
/**
* Sets the color of this RtfParagraphStyle.
*
* @param color The Color to use.
*/
public void setColor(Color color) {
this.modified = this.modified | MODIFIED_FONT_COLOR;
super.setColor(color);
}
/**
* Gets the line leading of this RtfParagraphStyle.
*
* @return The line leading of this RtfParagraphStyle.
*/
public int getLineLeading() {
return this.lineLeading;
}
/**
* Sets the line leading of this RtfParagraphStyle.
*
* @param lineLeading The line leading to use.
*/
public void setLineLeading(int lineLeading) {
this.lineLeading = lineLeading;
this.modified = this.modified | MODIFIED_LINE_LEADING;
}
/**
* Gets whether the lines in the paragraph should be kept together in
* this RtfParagraphStyle.
*
* @return Whether the lines in the paragraph should be kept together.
*/
public boolean getKeepTogether() {
return this.keepTogether;
}
/**
* Sets whether the lines in the paragraph should be kept together in
* this RtfParagraphStyle.
*
* @param keepTogether Whether the lines in the paragraph should be kept together.
*/
public void setKeepTogether(boolean keepTogether) {
this.keepTogether = keepTogether;
this.modified = this.modified | MODIFIED_KEEP_TOGETHER;
}
/**
* Gets whether the paragraph should be kept together with the next in
* this RtfParagraphStyle.
*
* @return Whether the paragraph should be kept together with the next.
*/
public boolean getKeepTogetherWithNext() {
return this.keepTogetherWithNext;
}
/**
* Sets whether the paragraph should be kept together with the next in
* this RtfParagraphStyle.
*
* @param keepTogetherWithNext Whether the paragraph should be kept together with the next.
*/
public void setKeepTogetherWithNext(boolean keepTogetherWithNext) {
this.keepTogetherWithNext = keepTogetherWithNext;
this.modified = this.modified | MODIFIED_KEEP_TOGETHER_WITH_NEXT;
}
/**
* Handles the inheritance of paragraph style settings. All settings that
* have not been modified will be inherited from the base RtfParagraphStyle.
* If this RtfParagraphStyle is not based on another one, then nothing happens.
*/
public void handleInheritance() {
if(this.basedOnName != null && this.document.getDocumentHeader().getRtfParagraphStyle(this.basedOnName) != null) {
this.baseStyle = this.document.getDocumentHeader().getRtfParagraphStyle(this.basedOnName);
this.baseStyle.handleInheritance();
if(!((this.modified & MODIFIED_ALIGNMENT) == MODIFIED_ALIGNMENT)) {
this.alignment = this.baseStyle.getAlignment();
}
if(!((this.modified & MODIFIED_INDENT_LEFT) == MODIFIED_INDENT_LEFT)) {
this.indentLeft = this.baseStyle.getIndentLeft();
}
if(!((this.modified & MODIFIED_INDENT_RIGHT) == MODIFIED_INDENT_RIGHT)) {
this.indentRight = this.baseStyle.getIndentRight();
}
if(!((this.modified & MODIFIED_SPACING_BEFORE) == MODIFIED_SPACING_BEFORE)) {
this.spacingBefore = this.baseStyle.getSpacingBefore();
}
if(!((this.modified & MODIFIED_SPACING_AFTER) == MODIFIED_SPACING_AFTER)) {
this.spacingAfter = this.baseStyle.getSpacingAfter();
}
if(!((this.modified & MODIFIED_FONT_NAME) == MODIFIED_FONT_NAME)) {
setFontName(this.baseStyle.getFontName());
}
if(!((this.modified & MODIFIED_FONT_SIZE) == MODIFIED_FONT_SIZE)) {
setSize(this.baseStyle.getFontSize());
}
if(!((this.modified & MODIFIED_FONT_STYLE) == MODIFIED_FONT_STYLE)) {
setStyle(this.baseStyle.getFontStyle());
}
if(!((this.modified & MODIFIED_FONT_COLOR) == MODIFIED_FONT_COLOR)) {
setColor(this.baseStyle.getColor());
}
if(!((this.modified & MODIFIED_LINE_LEADING) == MODIFIED_LINE_LEADING)) {
setLineLeading(this.baseStyle.getLineLeading());
}
if(!((this.modified & MODIFIED_KEEP_TOGETHER) == MODIFIED_KEEP_TOGETHER)) {
setKeepTogether(this.baseStyle.getKeepTogether());
}
if(!((this.modified & MODIFIED_KEEP_TOGETHER_WITH_NEXT) == MODIFIED_KEEP_TOGETHER_WITH_NEXT)) {
setKeepTogetherWithNext(this.baseStyle.getKeepTogetherWithNext());
}
}
}
/**
* Writes the settings of this RtfParagraphStyle.
*
* @param result The OutputStream to write to.
* @throws IOException On i/o errors.
*/
private void writeParagraphSettings(final OutputStream result) throws IOException {
if(this.keepTogether) {
result.write(RtfParagraphStyle.KEEP_TOGETHER);
}
if(this.keepTogetherWithNext) {
result.write(RtfParagraphStyle.KEEP_TOGETHER_WITH_NEXT);
}
switch (alignment) {
case Element.ALIGN_LEFT:
result.write(RtfParagraphStyle.ALIGN_LEFT);
break;
case Element.ALIGN_RIGHT:
result.write(RtfParagraphStyle.ALIGN_RIGHT);
break;
case Element.ALIGN_CENTER:
result.write(RtfParagraphStyle.ALIGN_CENTER);
break;
case Element.ALIGN_JUSTIFIED:
case Element.ALIGN_JUSTIFIED_ALL:
result.write(RtfParagraphStyle.ALIGN_JUSTIFY);
break;
}
result.write(FIRST_LINE_INDENT);
result.write(intToByteArray(this.firstLineIndent));
result.write(RtfParagraphStyle.INDENT_LEFT);
result.write(intToByteArray(indentLeft));
result.write(RtfParagraphStyle.INDENT_RIGHT);
result.write(intToByteArray(indentRight));
if(this.spacingBefore > 0) {
result.write(RtfParagraphStyle.SPACING_BEFORE);
result.write(intToByteArray(this.spacingBefore));
}
if(this.spacingAfter > 0) {
result.write(RtfParagraphStyle.SPACING_AFTER);
result.write(intToByteArray(this.spacingAfter));
}
if(this.lineLeading > 0) {
result.write(RtfParagraph.LINE_SPACING);
result.write(intToByteArray(this.lineLeading));
}
}
/**
* Writes the definition of this RtfParagraphStyle for the stylesheet list.
*/
public void writeDefinition(final OutputStream result) throws IOException
{
result.write(DocWriter.getISOBytes("{"));
result.write(DocWriter.getISOBytes("\\style"));
result.write(DocWriter.getISOBytes("\\s"));
result.write(intToByteArray(this.styleNumber));
result.write(RtfBasicElement.DELIMITER);
writeParagraphSettings(result);
super.writeBegin(result);
result.write(RtfBasicElement.DELIMITER);
result.write(DocWriter.getISOBytes(this.styleName));
result.write(DocWriter.getISOBytes(";"));
result.write(DocWriter.getISOBytes("}"));
this.document.outputDebugLinebreak(result);
}
/**
* Writes the start information of this RtfParagraphStyle.
*
* @param result The OutputStream to write to.
* @throws IOException On i/o errors.
*/
public void writeBegin(final OutputStream result) throws IOException {
result.write(DocWriter.getISOBytes("\\s"));
result.write(intToByteArray(this.styleNumber));
writeParagraphSettings(result);
}
/**
* Unused
*
* @param result The OutputStream that nothing is written to
* @throws IOException On i/o errors.
*/
public void writeEnd(final OutputStream result) throws IOException {
}
/**
* unused
*/
public void writeContent(final OutputStream out) throws IOException
{
}
/**
* Tests whether two RtfParagraphStyles are equal. Equality
* is determined via the name.
*/
public boolean equals(Object o) {
if(!(o instanceof RtfParagraphStyle)) {
return false;
}
RtfParagraphStyle paragraphStyle = (RtfParagraphStyle) o;
boolean result = this.getStyleName().equals(paragraphStyle.getStyleName());
return result;
}
/**
* Gets the hash code of this RtfParagraphStyle.
*/
public int hashCode() {
return this.styleName.hashCode();
}
/**
* Gets the number of this RtfParagraphStyle in the stylesheet list.
*
* @return The number of this RtfParagraphStyle in the stylesheet list.
*/
private int getStyleNumber() {
return this.styleNumber;
}
/**
* Sets the number of this RtfParagraphStyle in the stylesheet list.
*
* @param styleNumber The number to use.
*/
protected void setStyleNumber(int styleNumber) {
this.styleNumber = styleNumber;
}
}