BN089-BS开发框架MVC4版/source20131023/Zephyr.Net/Zephyr.Utils/Document/Excel/NPOI/DDF/EscherPictBlip.cs

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/*
* 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.
*/
namespace Zephyr.Utils.NPOI.DDF
{
    using System;
    using System.IO;
    using System.Text;
    using System.Collections;
    using System.Drawing;
    using Zephyr.Utils.NPOI.Util;
    using Zephyr.Utils.Ionic.Zlib;

    /// <summary>
    /// @author Daniel Noll
    /// </summary>
    public class EscherPictBlip : EscherBlipRecord
    {
        private static POILogger log = POILogFactory.GetLogger(typeof(EscherPictBlip));

        public static short RECORD_ID_EMF = unchecked((short)0xF018) + 2;
        public static short RECORD_ID_WMF = unchecked((short)0xF018) + 3;
        public static short RECORD_ID_PICT = unchecked((short)0xF018) + 4;

        private static int HEADER_SIZE = 8;

        private byte[] field_1_UID;
        private int field_2_cb;
        private int field_3_rcBounds_x1;
        private int field_3_rcBounds_y1;
        private int field_3_rcBounds_x2;
        private int field_3_rcBounds_y2;
        private int field_4_ptSize_w;
        private int field_4_ptSize_h;
        private int field_5_cbSave;
        private byte field_6_fCompression;
        private byte field_7_fFilter;

        private byte[] raw_pictureData;

        /// <summary>
        /// This method deSerializes the record from a byte array.
        /// </summary>
        /// <param name="data">The byte array containing the escher record information</param>
        /// <param name="offset">The starting offset into</param>
        /// <param name="recordFactory">May be null since this is not a container record.</param>
        /// <returns>