mirror of https://github.com/apache/poi.git
Added preliminary support for Palletes. Still need to write add/remove/change
functions. Added this so that if someone else wants to finish it before I get to it, they can. (have at it!) PR: Obtained from: Submitted by: Reviewed by: git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@352806 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Andrew C. Oliver
parent
ace2d2b80c
commit
a12cc580ce
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@ -621,7 +621,10 @@ public class BiffViewer {
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case BottomMarginRecord.sid:
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retval = new BottomMarginRecord(rectype, size, data);
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break;
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case PaletteRecord.sid:
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retval = new PaletteRecord(rectype, size, data);
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break;
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default:
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retval = new UnknownRecord(rectype, size, data);
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}
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@ -199,6 +199,7 @@ public class HSSFEventFactory
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{
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in.read(data);
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}
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System.out.println("creating "+sid);
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Record[] recs = RecordFactory.createRecord(sid, size,
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data);
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@ -0,0 +1,199 @@
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/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2002 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" and
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* "Apache POI" must not be used to endorse or promote products
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* derived from this software without prior written permission. For
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* written permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* "Apache POI", nor may "Apache" appear in their name, without
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* prior written permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*/
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package org.apache.poi.hssf.record;
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import java.util.ArrayList;
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import java.util.List;
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import org.apache.poi.util.LittleEndian;
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/**
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* PaletteRecord - Supports custom palettes.
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* @author Andrew C. Oliver (acoliver at apache dot org)
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* @version 2.0-pre
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*/
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public class PaletteRecord
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extends Record
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{
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public final static short sid = 0x92;
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private short field_1_numcolors;
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private List field_2_colors;
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public PaletteRecord()
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{
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}
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/**
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* Constructs a PaletteRecord record and sets its fields appropriately.
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*
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* @param id id must be 0x92 or an exception will be throw upon validation
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* @param size the size of the data area of the record
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* @param data data of the record (should not contain sid/len)
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*/
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public PaletteRecord(short id, short size, byte [] data)
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{
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super(id, size, data);
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}
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/**
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* Constructs a PaletteRecord record and sets its fields appropriately.
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*
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* @param id id must be 0x0A or an exception will be throw upon validation
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* @param size the size of the data area of the record
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* @param data data of the record (should not contain sid/len)
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* @param offset of the record's data
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*/
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public PaletteRecord(short id, short size, byte [] data, int offset)
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{
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super(id, size, data, offset);
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}
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protected void validateSid(short id)
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{
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if (id != sid)
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{
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throw new RecordFormatException("NOT An Palette RECORD");
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}
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}
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protected void fillFields(byte [] data, short size, int offset)
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{
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field_1_numcolors = LittleEndian.getShort(data,offset+0);
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field_2_colors = new ArrayList(field_1_numcolors);
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for (int k = 0; k < field_1_numcolors; k++) {
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field_2_colors.add(new PColor(
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data[2+ offset+(k * 4) +0],
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data[2+ offset+(k * 4) +1],
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data[2+ offset+(k * 4) +2]
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)
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);
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}
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}
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public String toString()
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{
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StringBuffer buffer = new StringBuffer();
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buffer.append("[Palette]\n");
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buffer.append(" numcolors = ").append(field_1_numcolors)
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.append('\n');
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for (int k = 0; k < field_1_numcolors; k++) {
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PColor c = (PColor) field_2_colors.get(k);
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buffer.append("* colornum = ").append(k)
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.append('\n');
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buffer.append(c.toString());
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buffer.append("/*colornum = ").append(k)
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.append('\n');
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}
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buffer.append("[/Palette]\n");
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return buffer.toString();
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}
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public int serialize(int offset, byte [] data)
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{
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LittleEndian.putShort(data, 0 + offset, sid);
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for (int k = 0; k < field_1_numcolors; k++) {
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PColor c = (PColor)field_2_colors.get(k);
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c.serialize(data, (2+offset+(k*4)));
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}
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return getRecordSize();
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}
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public int getRecordSize()
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{
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return 2 + (field_1_numcolors * 4);
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}
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public short getSid()
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{
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return this.sid;
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}
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}
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/**
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* PColor - element in the list of colors - consider it a "struct"
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*/
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class PColor {
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public byte red;
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public byte green;
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public byte blue;
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public PColor(byte red, byte green, byte blue) {
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this.red=red;
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this.green=green;
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this.blue=blue;
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}
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public void serialize(byte[] data, int offset) {
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data[offset + 0] = red;
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data[offset + 1] = green;
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data[offset + 2] = blue;
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data[offset + 3] = 0;
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}
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public String toString() {
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StringBuffer buffer = new StringBuffer();
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buffer.append(" red = ").append(red).append('\n');
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buffer.append(" green = ").append(green).append('\n');
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buffer.append(" blue = ").append(blue).append('\n');
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return buffer.toString();
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}
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}
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@ -108,7 +108,8 @@ public class RecordFactory
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MulRKRecord.class, MulBlankRecord.class, MergeCellsRecord.class,
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FormulaRecord.class, BoolErrRecord.class, ExternSheetRecord.class,
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NameRecord.class, LeftMarginRecord.class, RightMarginRecord.class,
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TopMarginRecord.class, BottomMarginRecord.class
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TopMarginRecord.class, BottomMarginRecord.class,
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PaletteRecord.class
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};
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} else {
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records = new Class[]
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@ -138,7 +139,8 @@ public class RecordFactory
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MulRKRecord.class, MulBlankRecord.class, MergeCellsRecord.class,
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BoolErrRecord.class, ExternSheetRecord.class, NameRecord.class,
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LeftMarginRecord.class, RightMarginRecord.class,
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TopMarginRecord.class, BottomMarginRecord.class
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TopMarginRecord.class, BottomMarginRecord.class,
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PaletteRecord.class
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};
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}
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