--- /dev/null
+
+/* ====================================================================
+ * The Apache Software License, Version 1.1
+ *
+ * Copyright (c) 2002 The Apache Software Foundation. All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. The end-user documentation included with the redistribution,
+ * if any, must include the following acknowledgment:
+ * "This product includes software developed by the
+ * Apache Software Foundation (http://www.apache.org/)."
+ * Alternately, this acknowledgment may appear in the software itself,
+ * if and wherever such third-party acknowledgments normally appear.
+ *
+ * 4. The names "Apache" and "Apache Software Foundation" and
+ * "Apache POI" must not be used to endorse or promote products
+ * derived from this software without prior written permission. For
+ * written permission, please contact apache@apache.org.
+ *
+ * 5. Products derived from this software may not be called "Apache",
+ * "Apache POI", nor may "Apache" appear in their name, without
+ * prior written permission of the Apache Software Foundation.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This software consists of voluntary contributions made by many
+ * individuals on behalf of the Apache Software Foundation. For more
+ * information on the Apache Software Foundation, please see
+ * <http://www.apache.org/>.
+ */
+
+package org.apache.poi.hssf.record;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.apache.poi.util.LittleEndian;
+
+/**
+ * PaletteRecord - Supports custom palettes.
+ * @author Andrew C. Oliver (acoliver at apache dot org)
+ * @version 2.0-pre
+ */
+
+public class PaletteRecord
+ extends Record
+{
+ public final static short sid = 0x92;
+
+ private short field_1_numcolors;
+ private List field_2_colors;
+
+ public PaletteRecord()
+ {
+ }
+
+ /**
+ * Constructs a PaletteRecord record and sets its fields appropriately.
+ *
+ * @param id id must be 0x92 or an exception will be throw upon validation
+ * @param size the size of the data area of the record
+ * @param data data of the record (should not contain sid/len)
+ */
+
+ public PaletteRecord(short id, short size, byte [] data)
+ {
+ super(id, size, data);
+ }
+
+ /**
+ * Constructs a PaletteRecord record and sets its fields appropriately.
+ *
+ * @param id id must be 0x0A or an exception will be throw upon validation
+ * @param size the size of the data area of the record
+ * @param data data of the record (should not contain sid/len)
+ * @param offset of the record's data
+ */
+
+ public PaletteRecord(short id, short size, byte [] data, int offset)
+ {
+ super(id, size, data, offset);
+ }
+
+ protected void validateSid(short id)
+ {
+ if (id != sid)
+ {
+ throw new RecordFormatException("NOT An Palette RECORD");
+ }
+ }
+
+ protected void fillFields(byte [] data, short size, int offset)
+ {
+ field_1_numcolors = LittleEndian.getShort(data,offset+0);
+ field_2_colors = new ArrayList(field_1_numcolors);
+ for (int k = 0; k < field_1_numcolors; k++) {
+ field_2_colors.add(new PColor(
+ data[2+ offset+(k * 4) +0],
+ data[2+ offset+(k * 4) +1],
+ data[2+ offset+(k * 4) +2]
+ )
+ );
+ }
+ }
+
+ public String toString()
+ {
+ StringBuffer buffer = new StringBuffer();
+
+ buffer.append("[Palette]\n");
+ buffer.append(" numcolors = ").append(field_1_numcolors)
+ .append('\n');
+ for (int k = 0; k < field_1_numcolors; k++) {
+ PColor c = (PColor) field_2_colors.get(k);
+ buffer.append("* colornum = ").append(k)
+ .append('\n');
+ buffer.append(c.toString());
+ buffer.append("/*colornum = ").append(k)
+ .append('\n');
+ }
+ buffer.append("[/Palette]\n");
+ return buffer.toString();
+ }
+
+ public int serialize(int offset, byte [] data)
+ {
+ LittleEndian.putShort(data, 0 + offset, sid);
+ for (int k = 0; k < field_1_numcolors; k++) {
+ PColor c = (PColor)field_2_colors.get(k);
+ c.serialize(data, (2+offset+(k*4)));
+ }
+
+ return getRecordSize();
+ }
+
+ public int getRecordSize()
+ {
+ return 2 + (field_1_numcolors * 4);
+ }
+
+ public short getSid()
+ {
+ return this.sid;
+ }
+
+}
+
+/**
+ * PColor - element in the list of colors - consider it a "struct"
+ */
+class PColor {
+ public byte red;
+ public byte green;
+ public byte blue;
+ public PColor(byte red, byte green, byte blue) {
+ this.red=red;
+ this.green=green;
+ this.blue=blue;
+ }
+
+ public void serialize(byte[] data, int offset) {
+ data[offset + 0] = red;
+ data[offset + 1] = green;
+ data[offset + 2] = blue;
+ data[offset + 3] = 0;
+ }
+
+ public String toString() {
+ StringBuffer buffer = new StringBuffer();
+ buffer.append(" red = ").append(red).append('\n');
+ buffer.append(" green = ").append(green).append('\n');
+ buffer.append(" blue = ").append(blue).append('\n');
+ return buffer.toString();
+ }
+}
projects / poi.git / commitdiff