sclrecord.java

来自「EXCEL read and write」· Java 代码 · 共 130 行

/* ====================================================================
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (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.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
==================================================================== */

package org.apache.poi.hssf.record;

import org.apache.poi.util.HexDump;
import org.apache.poi.util.LittleEndian;

/**
 * Specifies the window's zoom magnification.  <p/>
 * If this record isn't present then the windows zoom is 100%. see p384 Excel Dev Kit
 * 
 * @author Andrew C. Oliver (acoliver at apache.org)
 */
public final class SCLRecord extends Record {
    public final static short      sid                             = 0x00A0;
    private  short      field_1_numerator;
    private  short      field_2_denominator;


    public SCLRecord()
    {

    }

    public SCLRecord(RecordInputStream in)
    {
        field_1_numerator              = in.readShort();
        field_2_denominator            = in.readShort();
    }

    public String toString()
    {
        StringBuffer buffer = new StringBuffer();

        buffer.append("[SCL]\n");
        buffer.append("    .numerator            = ")
            .append("0x").append(HexDump.toHex(  getNumerator ()))
            .append(" (").append( getNumerator() ).append(" )");
        buffer.append(System.getProperty("line.separator")); 
        buffer.append("    .denominator          = ")
            .append("0x").append(HexDump.toHex(  getDenominator ()))
            .append(" (").append( getDenominator() ).append(" )");
        buffer.append(System.getProperty("line.separator")); 

        buffer.append("[/SCL]\n");
        return buffer.toString();
    }

    public int serialize(int offset, byte[] data)
    {
        int pos = 0;

        LittleEndian.putShort(data, 0 + offset, sid);
        LittleEndian.putShort(data, 2 + offset, (short)(getRecordSize() - 4));

        LittleEndian.putShort(data, 4 + offset + pos, field_1_numerator);
        LittleEndian.putShort(data, 6 + offset + pos, field_2_denominator);

        return getRecordSize();
    }

    public int getRecordSize()
    {
        return 4  + 2 + 2;
    }

    public short getSid()
    {
        return sid;
    }

    public Object clone() {
        SCLRecord rec = new SCLRecord();
    
        rec.field_1_numerator = field_1_numerator;
        rec.field_2_denominator = field_2_denominator;
        return rec;
    }




    /**
     * Get the numerator field for the SCL record.
     */
    public short getNumerator()
    {
        return field_1_numerator;
    }

    /**
     * Set the numerator field for the SCL record.
     */
    public void setNumerator(short field_1_numerator)
    {
        this.field_1_numerator = field_1_numerator;
    }

    /**
     * Get the denominator field for the SCL record.
     */
    public short getDenominator()
    {
        return field_2_denominator;
    }

    /**
     * Set the denominator field for the SCL record.
     */
    public void setDenominator(short field_2_denominator)
    {
        this.field_2_denominator = field_2_denominator;
    }
}