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+/*
+ * $Id: RtfColor.java,v 1.7 2004/12/14 12:51:59 blowagie 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.style;
+
+import java.awt.Color;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+
+import com.lowagie.text.rtf.RtfElement;
+import com.lowagie.text.rtf.RtfExtendedElement;
+import com.lowagie.text.rtf.document.RtfDocument;
+
+
+/**
+ * The RtfColor stores one rtf color value for a rtf document
+ *
+ * @version $Version:$
+ * @author Mark Hall (mhall@edu.uni-klu.ac.at)
+ */
+public class RtfColor extends RtfElement implements RtfExtendedElement {
+
+ /**
+ * Constant for RED value
+ */
+ private static final byte[] COLOR_RED = "\\red".getBytes();
+ /**
+ * Constant for GREEN value
+ */
+ private static final byte[] COLOR_GREEN = "\\green".getBytes();
+ /**
+ * Constant for BLUE value
+ */
+ private static final byte[] COLOR_BLUE = "\\blue".getBytes();
+ /**
+ * Constant for the end of one color entry
+ */
+ private static final byte COLON = (byte) ';';
+ /**
+ * Constant for the number of the colour in the list of colours
+ */
+ private static final byte[] COLOR_NUMBER = "\\cf".getBytes();
+
+ /**
+ * The number of the colour in the list of colours
+ */
+ private int colorNumber = 0;
+ /**
+ * The red value
+ */
+ private int red = 0;
+ /**
+ * The green value
+ */
+ private int green = 0;
+ /**
+ * The blue value
+ */
+ private int blue = 0;
+
+ /**
+ * Constructor only for use when initializing the RtfColorList
+ *
+ * @param doc The RtfDocument this RtfColor belongs to
+ * @param red The red value to use
+ * @param green The green value to use
+ * @param blue The blue value to use
+ * @param colorNumber The number of the colour in the colour list
+ */
+ protected RtfColor(RtfDocument doc, int red, int green, int blue, int colorNumber) {
+ super(doc);
+ this.red = red;
+ this.blue = blue;
+ this.green = green;
+ this.colorNumber = colorNumber;
+ }
+
+ /**
+ * Constructs a RtfColor as a clone of an existing RtfColor
+ *
+ * @param doc The RtfDocument this RtfColor belongs to
+ * @param col The RtfColor to use as a base
+ */
+ public RtfColor(RtfDocument doc, RtfColor col) {
+ super(doc);
+ if(col != null) {
+ this.red = col.getRed();
+ this.green = col.getGreen();
+ this.blue = col.getBlue();
+ }
+ if(this.document != null) {
+ this.colorNumber = this.document.getDocumentHeader().getColorNumber(this);
+ }
+ }
+
+ /**
+ * Constructs a RtfColor based on the Color
+ *
+ * @param doc The RtfDocument this RtfColor belongs to
+ * @param col The Color to base this RtfColor on
+ */
+ public RtfColor(RtfDocument doc, Color col) {
+ super(doc);
+ if(col != null) {
+ this.red = col.getRed();
+ this.blue = col.getBlue();
+ this.green = col.getGreen();
+ }
+ if(this.document != null) {
+ this.colorNumber = this.document.getDocumentHeader().getColorNumber(this);
+ }
+ }
+
+ /**
+ * Constructs a RtfColor based on the red/green/blue values
+ *
+ * @param doc The RtfDocument this RtfColor belongs to
+ * @param red The red value to use
+ * @param green The green value to use
+ * @param blue The blue value to use
+ */
+ public RtfColor(RtfDocument doc, int red, int green, int blue) {
+ super(doc);
+ this.red = red;
+ this.blue = blue;
+ this.green = green;
+ if(this.document != null) {
+ this.colorNumber = this.document.getDocumentHeader().getColorNumber(this);
+ }
+ }
+
+ /**
+ * Write the definition part of this RtfColor.
+ *
+ * @return A byte array with the definition of this colour
+ */
+ public byte[] writeDefinition() {
+ ByteArrayOutputStream result = new ByteArrayOutputStream();
+ try {
+ result.write(COLOR_RED);
+ result.write(intToByteArray(red));
+ result.write(COLOR_GREEN);
+ result.write(intToByteArray(green));
+ result.write(COLOR_BLUE);
+ result.write(intToByteArray(blue));
+ result.write(COLON);
+ } catch(IOException ioe) {
+ ioe.printStackTrace();
+ }
+ return result.toByteArray();
+ }
+
+ /**
+ * Writes the beginning of this RtfColor
+ *
+ * @return A byte array with the colour start data
+ */
+ public byte[] writeBegin() {
+ ByteArrayOutputStream result = new ByteArrayOutputStream();
+ try {
+ result.write(COLOR_NUMBER);
+ result.write(intToByteArray(colorNumber));
+ } catch(IOException ioe) {
+ ioe.printStackTrace();
+ }
+ return result.toByteArray();
+ }
+
+ /**
+ * Unused
+ *
+ * @return An empty (<code>byte[0]</code>) byte array
+ */
+ public byte[] writeEnd() {
+ return new byte[0];
+ }
+
+ /**
+ * Tests if this RtfColor is equal to another RtfColor.
+ *
+ * @param obj another RtfColor
+ * @return <code>True</code> if red, green and blue values of the two colours match,
+ * <code>false</code> otherwise.
+ */
+ public boolean equals(Object obj) {
+ if(!(obj instanceof RtfColor)) {
+ return false;
+ }
+ RtfColor color = (RtfColor) obj;
+ if(this.red == color.getRed() && this.green == color.getGreen() && this.blue == color.getBlue()) {
+ return true;
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * Returns the hash code of this RtfColor. The hash code is
+ * an integer with the lowest three bytes containing the values
+ * of red, green and blue.
+ *
+ * @return The hash code of this RtfColor
+ */
+ public int hashCode() {
+ return (this.red << 16) | (this.green << 8) | this.blue;
+ }
+
+ /**
+ * Get the blue value of this RtfColor
+ *
+ * @return The blue value
+ */
+ public int getBlue() {
+ return blue;
+ }
+
+ /**
+ * Get the green value of this RtfColor
+ *
+ * @return The green value
+ */
+ public int getGreen() {
+ return green;
+ }
+
+ /**
+ * Get the red value of this RtfColor
+ *
+ * @return The red value
+ */
+ public int getRed() {
+ return red;
+ }
+
+ /**
+ * Gets the number of this RtfColor in the list of colours
+ *
+ * @return Returns the colorNumber.
+ */
+ public int getColorNumber() {
+ return colorNumber;
+ }
+
+ /**
+ * Sets the RtfDocument this RtfColor belongs to
+ *
+ * @param doc The RtfDocument to use
+ */
+ public void setRtfDocument(RtfDocument doc) {
+ super.setRtfDocument(doc);
+ if(document != null) {
+ this.colorNumber = document.getDocumentHeader().getColorNumber(this);
+ }
+ }
+}