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Diffstat (limited to 'src/main/java/com/lowagie/text/rtf/text/RtfChunk.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/rtf/text/RtfChunk.java | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/text/rtf/text/RtfChunk.java b/src/main/java/com/lowagie/text/rtf/text/RtfChunk.java new file mode 100644 index 0000000..7368c48 --- /dev/null +++ b/src/main/java/com/lowagie/text/rtf/text/RtfChunk.java @@ -0,0 +1,202 @@ +/*
+ * $Id: RtfChunk.java,v 1.12 2005/07/23 10:57:32 hallm Exp $
+ * $Name: $
+ *
+ * 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.text;
+
+import java.awt.Color;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+import com.lowagie.text.Chunk;
+import com.lowagie.text.rtf.RtfElement;
+import com.lowagie.text.rtf.document.RtfDocument;
+import com.lowagie.text.rtf.style.RtfColor;
+import com.lowagie.text.rtf.style.RtfFont;
+
+
+/**
+ * The RtfChunk contains one piece of text. The smallest text element available
+ * in iText.
+ *
+ * @version $Version:$
+ * @author Mark Hall (mhall@edu.uni-klu.ac.at)
+ */
+public class RtfChunk extends RtfElement {
+
+ /**
+ * Constant for the subscript flag
+ */
+ private static final byte[] FONT_SUBSCRIPT = "\\sub".getBytes();
+ /**
+ * Constant for the superscript flag
+ */
+ private static final byte[] FONT_SUPERSCRIPT = "\\super".getBytes();
+ /**
+ * Constant for the end of sub / superscript flag
+ */
+ private static final byte[] FONT_END_SUPER_SUBSCRIPT = "\\nosupersub".getBytes();
+ /**
+ * Constant for background colour.
+ */
+ private static final byte[] HIGHLIGHT = "\\highlight".getBytes();
+
+ /**
+ * The font of this RtfChunk
+ */
+ private RtfFont font = null;
+ /**
+ * The actual content of this RtfChunk
+ */
+ private String content = "";
+ /**
+ * Whether to use soft line breaks instead of hard ones.
+ */
+ private boolean softLineBreaks = false;
+ /**
+ * The super / subscript of this RtfChunk
+ */
+ private float superSubScript = 0;
+ /**
+ * An optional background colour.
+ */
+ private RtfColor background = null;
+
+ /**
+ * Constructs a RtfChunk based on the content of a Chunk
+ *
+ * @param doc The RtfDocument that this Chunk belongs to
+ * @param chunk The Chunk that this RtfChunk is based on
+ */
+ public RtfChunk(RtfDocument doc, Chunk chunk) {
+ super(doc);
+
+ if(chunk == null) {
+ return;
+ }
+
+ if(chunk.getAttributes() != null && chunk.getAttributes().get(Chunk.SUBSUPSCRIPT) != null) {
+ this.superSubScript = ((Float)chunk.getAttributes().get(Chunk.SUBSUPSCRIPT)).floatValue();
+ }
+ if(chunk.getAttributes() != null && chunk.getAttributes().get(Chunk.BACKGROUND) != null) {
+ this.background = new RtfColor(this.document, (Color) ((Object[]) chunk.getAttributes().get(Chunk.BACKGROUND))[0]);
+ }
+ font = new RtfFont(doc, chunk.font());
+ content = chunk.content();
+ }
+
+ /**
+ * Writes the content of this RtfChunk. First the font information
+ * is written, then the content, and then more font information
+ *
+ * @return A byte array with the content of this RtfChunk
+ */
+ public byte[] write() {
+ ByteArrayOutputStream result = new ByteArrayOutputStream();
+ try {
+ if(this.background != null) {
+ result.write(OPEN_GROUP);
+ }
+
+ result.write(font.writeBegin());
+ if(superSubScript < 0) {
+ result.write(FONT_SUBSCRIPT);
+ } else if(superSubScript > 0) {
+ result.write(FONT_SUPERSCRIPT);
+ }
+ if(this.background != null) {
+ result.write(HIGHLIGHT);
+ result.write(intToByteArray(this.background.getColorNumber()));
+ }
+ result.write(DELIMITER);
+
+ result.write(document.filterSpecialChar(content, false, softLineBreaks || this.document.getDocumentSettings().isAlwaysGenerateSoftLinebreaks()).getBytes());
+
+ if(superSubScript != 0) {
+ result.write(FONT_END_SUPER_SUBSCRIPT);
+ }
+ result.write(font.writeEnd());
+
+ if(this.background != null) {
+ result.write(CLOSE_GROUP);
+ }
+ } catch(IOException ioe) {
+ ioe.printStackTrace();
+ }
+ return result.toByteArray();
+ }
+
+ /**
+ * Sets the RtfDocument this RtfChunk belongs to.
+ *
+ * @param doc The RtfDocument to use
+ */
+ public void setRtfDocument(RtfDocument doc) {
+ super.setRtfDocument(doc);
+ this.font.setRtfDocument(this.document);
+ }
+
+ /**
+ * Sets whether to use soft line breaks instead of default hard ones.
+ *
+ * @param softLineBreaks whether to use soft line breaks instead of default hard ones.
+ */
+ public void setSoftLineBreaks(boolean softLineBreaks) {
+ this.softLineBreaks = softLineBreaks;
+ }
+
+ /**
+ * Gets whether to use soft line breaks instead of default hard ones.
+ *
+ * @return whether to use soft line breaks instead of default hard ones.
+ */
+ public boolean getSoftLineBreaks() {
+ return this.softLineBreaks;
+ }
+}
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