chartrecord.java

来自「EXCEL read and write」· Java 代码 · 共 176 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;

/**
 * The chart record is used to define the location and size of a chart.
 * @author Glen Stampoultzis (glens at apache.org)
 */
public final class ChartRecord extends Record {
    public final static short      sid                             = 0x1002;
    private  int        field_1_x;
    private  int        field_2_y;
    private  int        field_3_width;
    private  int        field_4_height;


    public ChartRecord()
    {

    }

    public ChartRecord(RecordInputStream in)
    {
        field_1_x                      = in.readInt();
        field_2_y                      = in.readInt();
        field_3_width                  = in.readInt();
        field_4_height                 = in.readInt();
    }

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

        buffer.append("[CHART]\n");
        buffer.append("    .x                    = ")
            .append("0x").append(HexDump.toHex(  getX ()))
            .append(" (").append( getX() ).append(" )");
        buffer.append(System.getProperty("line.separator")); 
        buffer.append("    .y                    = ")
            .append("0x").append(HexDump.toHex(  getY ()))
            .append(" (").append( getY() ).append(" )");
        buffer.append(System.getProperty("line.separator")); 
        buffer.append("    .width                = ")
            .append("0x").append(HexDump.toHex(  getWidth ()))
            .append(" (").append( getWidth() ).append(" )");
        buffer.append(System.getProperty("line.separator")); 
        buffer.append("    .height               = ")
            .append("0x").append(HexDump.toHex(  getHeight ()))
            .append(" (").append( getHeight() ).append(" )");
        buffer.append(System.getProperty("line.separator")); 

        buffer.append("[/CHART]\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.putInt(data, 4 + offset + pos, field_1_x);
        LittleEndian.putInt(data, 8 + offset + pos, field_2_y);
        LittleEndian.putInt(data, 12 + offset + pos, field_3_width);
        LittleEndian.putInt(data, 16 + offset + pos, field_4_height);

        return getRecordSize();
    }

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

    public short getSid()
    {
        return sid;
    }

    public Object clone() {
        ChartRecord rec = new ChartRecord();
    
        rec.field_1_x = field_1_x;
        rec.field_2_y = field_2_y;
        rec.field_3_width = field_3_width;
        rec.field_4_height = field_4_height;
        return rec;
    }




    /**
     * Get the x field for the Chart record.
     */
    public int getX()
    {
        return field_1_x;
    }

    /**
     * Set the x field for the Chart record.
     */
    public void setX(int field_1_x)
    {
        this.field_1_x = field_1_x;
    }

    /**
     * Get the y field for the Chart record.
     */
    public int getY()
    {
        return field_2_y;
    }

    /**
     * Set the y field for the Chart record.
     */
    public void setY(int field_2_y)
    {
        this.field_2_y = field_2_y;
    }

    /**
     * Get the width field for the Chart record.
     */
    public int getWidth()
    {
        return field_3_width;
    }

    /**
     * Set the width field for the Chart record.
     */
    public void setWidth(int field_3_width)
    {
        this.field_3_width = field_3_width;
    }

    /**
     * Get the height field for the Chart record.
     */
    public int getHeight()
    {
        return field_4_height;
    }

    /**
     * Set the height field for the Chart record.
     */
    public void setHeight(int field_4_height)
    {
        this.field_4_height = field_4_height;
    }
}