diff options
Diffstat (limited to 'src/main/java/com/lowagie/text/rtf/text/RtfTab.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/rtf/text/RtfTab.java | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/text/rtf/text/RtfTab.java b/src/main/java/com/lowagie/text/rtf/text/RtfTab.java new file mode 100644 index 0000000..1041ae6 --- /dev/null +++ b/src/main/java/com/lowagie/text/rtf/text/RtfTab.java @@ -0,0 +1,140 @@ +/*
+ * $Id: RtfTab.java,v 1.1 2006/06/17 09:51:30 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.
+ * Co-Developer of the code is Mark Hall. Portions created by the Co-Developer are
+ * Copyright (C) 2006 by Mark Hall. 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.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+import com.lowagie.text.rtf.RtfAddableElement;
+
+/**
+ * The RtfTab encapsulates a tab position and tab type in a paragraph.
+ * To add tabs to a paragraph construct new RtfTab objects with the desired
+ * tab position and alignment and then add them to the paragraph. In the actual
+ * text the tabs are then defined as standard \t characters.<br /><br />
+ *
+ * <code>RtfTab tab = new RtfTab(300, RtfTab.TAB_LEFT_ALIGN);<br />
+ * Paragraph para = new Paragraph();<br />
+ * para.add(tab);<br />
+ * para.add("This paragraph has a\ttab defined.");</code>
+ *
+ * @version $Revision: 1.1 $
+ * @author Mark Hall (mhall@edu.uni-klu.ac.at)
+ */
+public class RtfTab extends RtfAddableElement {
+
+ /**
+ * A tab where the text is left aligned.
+ */
+ public static final int TAB_LEFT_ALIGN = 0;
+ /**
+ * A tab where the text is centre aligned.
+ */
+ public static final int TAB_CENTER_ALIGN = 1;
+ /**
+ * A tab where the text is right aligned.
+ */
+ public static final int TAB_RIGHT_ALIGN = 2;
+ /**
+ * A tab where the text is aligned on the decimal character. Which
+ * character that is depends on the language settings of the viewer.
+ */
+ public static final int TAB_DECIMAL_ALIGN = 3;
+
+ /**
+ * The tab position in twips.
+ */
+ private int position = 0;
+ /**
+ * The tab alignment.
+ */
+ private int type = TAB_LEFT_ALIGN;
+
+ /**
+ * Constructs a new RtfTab with the given position and type. The position
+ * is in standard iText points. The type is one of the tab alignment
+ * constants defined in the RtfTab.
+ *
+ * @param position The position of the tab in points.
+ * @param type The tab type constant.
+ */
+ public RtfTab(float position, int type) {
+ this.position = (int) Math.round(position * TWIPS_FACTOR);
+ switch(type) {
+ case TAB_LEFT_ALIGN: this.type = TAB_LEFT_ALIGN; break;
+ case TAB_CENTER_ALIGN: this.type = TAB_CENTER_ALIGN; break;
+ case TAB_RIGHT_ALIGN: this.type = TAB_RIGHT_ALIGN; break;
+ case TAB_DECIMAL_ALIGN: this.type = TAB_DECIMAL_ALIGN; break;
+ default: this.type = TAB_LEFT_ALIGN; break;
+ }
+ }
+
+ /**
+ * Writes the tab settings.
+ */
+ public byte[] write() {
+ ByteArrayOutputStream result = new ByteArrayOutputStream();
+ try {
+ switch(this.type) {
+ case TAB_CENTER_ALIGN: result.write("\\tqc".getBytes()); break;
+ case TAB_RIGHT_ALIGN: result.write("\\tqr".getBytes()); break;
+ case TAB_DECIMAL_ALIGN: result.write("\\tqdec".getBytes()); break;
+ }
+ result.write("\\tx".getBytes());
+ result.write(intToByteArray(this.position));
+ } catch(IOException ioe) {
+ ioe.printStackTrace();
+ }
+ return result.toByteArray();
+ }
+}
|