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new image formats.
This commit is contained in:
morkt
parent
8118780b79
commit
85d5336c53
403
ArcFormats/ImageEDT.cs
Normal file
403
ArcFormats/ImageEDT.cs
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@ -0,0 +1,403 @@
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//! \file ImageEDT.cs
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//! \date Sun Feb 15 10:13:07 2015
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//! \brief Active Soft image format implementation.
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//
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// Copyright (C) 2015 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
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// sell copies of the Software, and to permit persons to whom the Software is
|
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Text;
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using System.Windows;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using GameRes.Utility;
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namespace GameRes.Formats.AdPack
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{
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internal class EdtMetaData : ImageMetaData
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{
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public uint CompSize;
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public uint ExtraSize;
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}
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internal class Ed8MetaData : ImageMetaData
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{
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public uint PaletteSize;
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public uint CompSize;
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}
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internal class BitReader
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{
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int m_bits = 1;
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protected void ResetBits ()
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{
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m_bits = 1;
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}
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protected int NextBit (Stream input)
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{
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if (1 == m_bits)
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{
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m_bits = input.ReadByte();
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if (-1 == m_bits)
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throw new InvalidFormatException ("Unexpected end of input");
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m_bits |= 0x100;
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}
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int bit = m_bits & 1;
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m_bits >>= 1;
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return bit;
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}
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protected int ReadBits (int data, int count, Stream input)
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{
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while (count > 0)
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{
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data = (data << 1) | NextBit (input);
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--count;
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}
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return data;
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}
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protected int CountBits (Stream input)
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{
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int bit = 1, count = 0;
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while (count < 0x20 && 1 == bit)
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{
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++count;
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bit = NextBit (input);
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}
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if (--count != 0)
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return ReadBits (1, count, input);
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else
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return 1;
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}
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}
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[Export(typeof(ImageFormat))]
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public class EdtFormat : ImageFormat
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{
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public override string Tag { get { return "EDT"; } }
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public override string Description { get { return "Active Soft RGB image format"; } }
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public override uint Signature { get { return 0x5552542eu; } } // '.TRU'
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public override void Write (Stream file, ImageData image)
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{
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throw new NotImplementedException ("EdtFormat.Write not implemented");
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}
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public override ImageMetaData ReadMetaData (Stream stream)
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{
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var header = new byte[0x22];
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if (header.Length != stream.Read (header, 0, header.Length))
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return null;
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if (!Binary.AsciiEqual (header, ".TRUE\x8d\x5d\x8c\xcb\x00"))
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return null;
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uint width = LittleEndian.ToUInt16 (header, 0x0e);
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uint height = LittleEndian.ToUInt16 (header, 0x10);
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uint comp_size = LittleEndian.ToUInt32 (header, 0x1a);
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uint extra_size = LittleEndian.ToUInt32 (header, 0x1e);
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if (extra_size % 3 != 0 || 0 == extra_size)
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return null;
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return new EdtMetaData
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{
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Width = width,
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Height = height,
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BPP = 24,
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CompSize = comp_size,
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ExtraSize = extra_size,
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};
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}
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public override ImageData Read (Stream stream, ImageMetaData info)
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{
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var meta = info as EdtMetaData;
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if (null == meta)
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throw new ArgumentException ("EdtFormat.Read should be supplied with EdtMetaData", "info");
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stream.Position = 0x22;
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using (var reader = new Reader (stream, meta))
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{
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reader.Unpack();
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byte[] pixels = reader.Data;
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var bitmap = BitmapSource.Create ((int)meta.Width, (int)meta.Height, 96, 96,
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PixelFormats.Bgr24, null, pixels, (int)meta.Width*3);
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bitmap.Freeze();
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return new ImageData (bitmap, meta);
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}
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}
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internal class Reader : BitReader, IDisposable
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{
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MemoryStream m_packed;
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MemoryStream m_extra;
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byte[] m_output;
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int[] ShiftTable = new int[32];
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public byte[] Data { get { return m_output; } }
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public Reader (Stream file, EdtMetaData info)
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{
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byte[] packed = new byte[info.CompSize];
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file.Read (packed, 0, packed.Length);
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m_packed = new MemoryStream (packed, false);
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byte[] extra = new byte[info.ExtraSize];
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file.Read (extra, 0, extra.Length);
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m_extra = new MemoryStream (extra, false);
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m_output = new byte[info.Width*info.Height*3];
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int stride = (int)info.Width * 3;
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int offset = stride * -4;
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int i = 0;
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while (offset != 0)
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{
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int shift = offset - 9;
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for (int j = 0; j < 7; ++j)
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{
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ShiftTable[i++] = shift;
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shift += 3;
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}
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offset += stride;
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}
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offset = -12;
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while (offset != 0)
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{
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ShiftTable[i++] = offset;
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offset += 3;
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}
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}
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public void Unpack ()
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{
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int dst = 0;
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if (3 != m_extra.Read (m_output, dst, 3))
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throw new InvalidFormatException ("Unexpected end of input");
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dst += 3;
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while (dst < m_output.Length)
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{
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if (1 == NextBit (m_packed))
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{
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if (0 == NextBit (m_packed))
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{
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int offset = ShiftTable[ReadBits (0, 5, m_packed)];
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if (dst < -offset)
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return;
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int count = CountBits (m_packed) * 3;
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Binary.CopyOverlapped (m_output, dst + offset, dst, count);
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dst += count;
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}
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else
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{
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int offset = -3;
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if (1 == NextBit (m_packed))
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{
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offset = ShiftTable[(0x11191718 >> ((ReadBits (0, 2, m_packed) << 3)) & 0xFF)];
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if (dst < -offset)
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return;
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}
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for (int i = 0; i < 3; ++i)
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{
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int b = m_output[dst+offset];
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if (b < 2)
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b = 2;
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else if (b > 0xfd)
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b = 0xfd;
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if (1 == NextBit (m_packed))
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{
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int b2 = 1 + NextBit (m_packed);
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if (0 == NextBit (m_packed))
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b -= b2;
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else
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b += b2;
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}
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m_output[dst++] = (byte)b;
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}
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}
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}
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else
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{
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if (3 != m_extra.Read (m_output, dst, 3))
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throw new InvalidFormatException ("Unexpected end of input");
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dst += 3;
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}
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}
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}
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#region IDisposable Members
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bool disposed = false;
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public void Dispose ()
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{
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Dispose (true);
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GC.SuppressFinalize (this);
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}
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protected virtual void Dispose (bool disposing)
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{
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if (!disposed)
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{
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if (disposing)
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{
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m_packed.Dispose();
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m_extra.Dispose();
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}
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disposed = true;
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}
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}
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#endregion
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}
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}
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[Export(typeof(ImageFormat))]
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public class Ed8Format : ImageFormat
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{
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public override string Tag { get { return "ED8"; } }
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public override string Description { get { return "Active Soft indexed image format"; } }
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public override uint Signature { get { return 0x6942382eu; } } // '.8Bi'
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public Ed8Format ()
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{
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Extensions = new string[] { "ed8", "sal" };
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}
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public override void Write (Stream file, ImageData image)
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{
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throw new NotImplementedException ("Ed8Format.Write not implemented");
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}
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public override ImageMetaData ReadMetaData (Stream stream)
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{
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var header = new byte[0x1a];
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if (header.Length != stream.Read (header, 0, header.Length))
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return null;
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if (!Binary.AsciiEqual (header, ".8Bit\x8d\x5d\x8c\xcb\x00"))
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return null;
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uint width = LittleEndian.ToUInt16 (header, 0x0e);
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uint height = LittleEndian.ToUInt16 (header, 0x10);
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uint palette_size = LittleEndian.ToUInt32 (header, 0x12);
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uint comp_size = LittleEndian.ToUInt32 (header, 0x16);
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if (palette_size > 0x100)
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return null;
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return new Ed8MetaData
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{
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Width = width,
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Height = height,
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BPP = 8,
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PaletteSize = palette_size,
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CompSize = comp_size,
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};
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}
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public override ImageData Read (Stream stream, ImageMetaData info)
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{
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var meta = info as Ed8MetaData;
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if (null == meta)
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throw new ArgumentException ("Ed8Format.Read should be supplied with Ed8MetaData", "info");
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stream.Position = 0x1a;
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var reader = new Reader (stream, meta);
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reader.Unpack();
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byte[] pixels = reader.Data;
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var palette = new BitmapPalette (reader.Palette);
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var bitmap = BitmapSource.Create ((int)info.Width, (int)info.Height, 96, 96,
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PixelFormats.Indexed8, palette, pixels, (int)info.Width);
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bitmap.Freeze();
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return new ImageData (bitmap, info);
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}
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internal class Reader : BitReader
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{
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Stream m_input;
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byte[] m_data;
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Color[] m_palette;
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int m_width;
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public Color[] Palette { get { return m_palette; } }
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public byte[] Data { get { return m_data; } }
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private static readonly sbyte[] ShiftTable = new sbyte[] {
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// (-1,0) (0,1) (-2,0) (-1,1) (1,1) (0,2) (-2,1) (2,1)
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-0x10, 0x01, -0x20, -0x0F, 0x11, 0x02, -0x1F, 0x21,
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// (-2,2) (-1,2) (1,2) (2,2) (0,3) (-1,3)
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-0x1E, -0x0E, 0x12, 0x22, 0x03, -0x0D
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};
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public Reader (Stream file, Ed8MetaData info)
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{
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m_width = (int)info.Width;
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int palette_size = (int)info.PaletteSize*3;
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var palette_data = new byte[Math.Max (0x300, palette_size)];
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if (palette_size != file.Read (palette_data, 0, palette_size))
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throw new InvalidFormatException();
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m_palette = new Color[0x100];
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for (int i = 0; i < m_palette.Length; ++i)
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{
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m_palette[i] = Color.FromRgb (palette_data[i*3+2], palette_data[i*3+1], palette_data[i*3]);
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}
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m_input = file;
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m_data = new byte[info.Width * info.Height];
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}
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public void Unpack ()
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{
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int data_pos = 0;
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while (data_pos < m_data.Length)
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{
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m_data[data_pos++] = (byte)ReadBits (0, 8, m_input);
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if (m_data.Length == data_pos)
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break;
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if (1 == NextBit (m_input))
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continue;
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int prev_code = -1;
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while (data_pos < m_data.Length)
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{
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int code = 0;
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if (1 == NextBit (m_input))
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{
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if (1 == NextBit (m_input))
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code = NextBit (m_input) + 1;
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code = (code << 1) + NextBit (m_input) + 1;
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}
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code = (code << 1) + NextBit (m_input);
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if (code == prev_code)
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break;
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prev_code = code;
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int count = CountBits (m_input);
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if (prev_code >= 2)
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++count;
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if (data_pos + count > m_data.Length)
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throw new InvalidFormatException();
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int shift = ShiftTable[prev_code];
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int offset = (shift >> 4) - (shift & 0xf) * m_width;
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Binary.CopyOverlapped (m_data, data_pos+offset, data_pos, count);
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data_pos += count;
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}
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}
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}
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}
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}
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}
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209
ArcFormats/ImageGCP.cs
Normal file
209
ArcFormats/ImageGCP.cs
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@ -0,0 +1,209 @@
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//! \file ImageGCP.cs
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//! \date Fri Feb 20 14:26:51 2015
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//! \brief GCP image format implementation.
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//
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// Copyright (C) 2015 by morkt
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//
|
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// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to
|
||||
// deal in the Software without restriction, including without limitation the
|
||||
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
||||
// sell copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
||||
// IN THE SOFTWARE.
|
||||
//
|
||||
|
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using System;
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using System.Collections.Generic;
|
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Text;
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using System.Windows;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using GameRes.Utility;
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namespace GameRes.Formats.Riddle
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{
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internal class GcpMetaData : ImageMetaData
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{
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public int DataSize;
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public int PackedSize;
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}
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[Export(typeof(ImageFormat))]
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public class GcpFormat : ImageFormat
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{
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public override string Tag { get { return "GCP"; } }
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public override string Description { get { return "Riddle Soft RGB image format"; } }
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public override uint Signature { get { return 0x31504d43u; } } // 'CMP1'
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public override void Write (Stream file, ImageData image)
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{
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throw new NotImplementedException ("GcpFormat.Write not implemented");
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}
|
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public override ImageMetaData ReadMetaData (Stream stream)
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{
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var header = new byte[12];
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if (header.Length != stream.Read (header, 0, header.Length))
|
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return null;
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int data_size = LittleEndian.ToInt32 (header, 4);
|
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int pack_size = LittleEndian.ToInt32 (header, 8);
|
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if (data_size < 54)
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return null;
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using (var reader = new Reader (stream, pack_size, 0x22)) // BMP header
|
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{
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reader.Unpack();
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var bmp = reader.Data;
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if (bmp[0] != 'B' || bmp[1] != 'M')
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return null;
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int width = LittleEndian.ToInt32 (bmp, 0x12);
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int height = LittleEndian.ToInt32 (bmp, 0x16);
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int bpp = LittleEndian.ToInt16 (bmp, 0x1c);
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return new GcpMetaData
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{
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Width = (uint)width,
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Height = (uint)height,
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BPP = bpp,
|
||||
DataSize = data_size,
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PackedSize = pack_size,
|
||||
};
|
||||
}
|
||||
}
|
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public override ImageData Read (Stream stream, ImageMetaData info)
|
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{
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var meta = info as GcpMetaData;
|
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if (null == meta)
|
||||
throw new ArgumentException ("GcpFormat.Read should be supplied with GcpMetaData", "info");
|
||||
|
||||
stream.Position = 12;
|
||||
using (var reader = new Reader (stream, meta.PackedSize, meta.DataSize))
|
||||
{
|
||||
reader.Unpack();
|
||||
using (var bmp = new MemoryStream (reader.Data, false))
|
||||
{
|
||||
var decoder = new BmpBitmapDecoder (bmp,
|
||||
BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
|
||||
BitmapSource frame = decoder.Frames[0];
|
||||
frame.Freeze();
|
||||
return new ImageData (frame, info);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
internal class Reader : IDisposable
|
||||
{
|
||||
Stream m_input;
|
||||
byte[] m_output;
|
||||
int m_src_count = 0;
|
||||
int m_src_total;
|
||||
|
||||
public byte[] Data { get { return m_output; } }
|
||||
|
||||
public Reader (Stream file, int src_size, int dst_size)
|
||||
{
|
||||
m_input = file;
|
||||
m_output = new byte[dst_size];
|
||||
m_src_total = src_size;
|
||||
}
|
||||
|
||||
public void Unpack ()
|
||||
{
|
||||
int dst = 0;
|
||||
var shift = new byte[0x800];
|
||||
int edi = 0x7ef;
|
||||
for (int i = 0; i < edi; ++i)
|
||||
shift[i] = 0x20;
|
||||
while (dst < m_output.Length)
|
||||
{
|
||||
int bit = GetNextBit();
|
||||
if (-1 == bit)
|
||||
break;
|
||||
if (1 == bit)
|
||||
{
|
||||
int data = GetBits (8);
|
||||
if (-1 == data)
|
||||
break;
|
||||
m_output[dst++] = (byte)data;
|
||||
shift[edi++] = (byte)data;
|
||||
edi &= 0x7ff;
|
||||
}
|
||||
else
|
||||
{
|
||||
int offset = GetBits (11); // [esp+10]
|
||||
if (-1 == offset)
|
||||
break;
|
||||
int count = GetBits (4);
|
||||
if (-1 == count)
|
||||
break;
|
||||
count += 2;
|
||||
for (int i = 0; i < count; ++i)
|
||||
{
|
||||
byte data = shift[(offset + i) & 0x7ff];
|
||||
m_output[dst++] = data;
|
||||
shift[edi++] = data;
|
||||
edi &= 0x7ff;
|
||||
if (m_output.Length == dst)
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int m_bits = 0;
|
||||
|
||||
int GetNextBit ()
|
||||
{
|
||||
bool bit = 0 != (m_bits & 0x80);
|
||||
m_bits <<= 1;
|
||||
if (0 == (m_bits & 0xff))
|
||||
{
|
||||
if (m_src_count++ >= m_src_total)
|
||||
return -1;
|
||||
m_bits = m_input.ReadByte();
|
||||
if (-1 == m_bits)
|
||||
throw new EndOfStreamException ("Invalid compressed stream");
|
||||
bit = 0 != (m_bits & 0x80);
|
||||
m_bits = (m_bits << 1) | 1;
|
||||
}
|
||||
return bit ? 1 : 0;
|
||||
}
|
||||
|
||||
int GetBits (int count, int data = 0)
|
||||
{
|
||||
while (count > 0)
|
||||
{
|
||||
int bit = GetNextBit();
|
||||
if (-1 == bit)
|
||||
return -1;
|
||||
data = (data << 1) | bit;
|
||||
--count;
|
||||
}
|
||||
return data;
|
||||
}
|
||||
|
||||
#region IDisposable Members
|
||||
public void Dispose ()
|
||||
{
|
||||
if (null != m_input)
|
||||
{
|
||||
m_input = null;
|
||||
}
|
||||
GC.SuppressFinalize (this);
|
||||
}
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
183
ArcFormats/ImageTGF.cs
Normal file
183
ArcFormats/ImageTGF.cs
Normal file
@ -0,0 +1,183 @@
|
||||
//! \file ImageTGF.cs
|
||||
//! \date Sun Feb 15 21:46:24 2015
|
||||
//! \brief Tactics TGF image format implementation.
|
||||
//
|
||||
// Copyright (C) 2015 by morkt
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to
|
||||
// deal in the Software without restriction, including without limitation the
|
||||
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
||||
// sell copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
||||
// IN THE SOFTWARE.
|
||||
//
|
||||
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.ComponentModel.Composition;
|
||||
using System.IO;
|
||||
using System.Text;
|
||||
using System.Windows;
|
||||
using System.Windows.Media;
|
||||
using System.Windows.Media.Imaging;
|
||||
using GameRes.Utility;
|
||||
|
||||
namespace GameRes.Formats.Tactics
|
||||
{
|
||||
internal class TgfMetaData : ImageMetaData
|
||||
{
|
||||
public uint BitmapSize;
|
||||
public int ChunkSize;
|
||||
}
|
||||
|
||||
[Export(typeof(ImageFormat))]
|
||||
public class TgfFormat : ImageFormat
|
||||
{
|
||||
public override string Tag { get { return "TGF"; } }
|
||||
public override string Description { get { return "Tactics graphics file"; } }
|
||||
public override uint Signature { get { return 0; } }
|
||||
|
||||
public override void Write (Stream file, ImageData image)
|
||||
{
|
||||
throw new NotImplementedException ("TgfFormat.Write not implemented");
|
||||
}
|
||||
|
||||
public override ImageMetaData ReadMetaData (Stream stream)
|
||||
{
|
||||
var header = new byte[8];
|
||||
if (header.Length != stream.Read (header, 0, header.Length))
|
||||
return null;
|
||||
uint length = LittleEndian.ToUInt32 (header, 0);
|
||||
int chunk_size = LittleEndian.ToInt32 (header, 4);
|
||||
if (length > 0xffffff)
|
||||
return null;
|
||||
using (var reader = new Reader (stream, (uint)Math.Max (0x20, chunk_size+2), chunk_size))
|
||||
{
|
||||
reader.Unpack();
|
||||
var bmp = reader.Data;
|
||||
return new TgfMetaData
|
||||
{
|
||||
Width = LittleEndian.ToUInt32 (bmp, 0x12),
|
||||
Height = LittleEndian.ToUInt32 (bmp, 0x16),
|
||||
BPP = LittleEndian.ToInt16 (bmp, 0x1c),
|
||||
BitmapSize = length,
|
||||
ChunkSize = chunk_size,
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
public override ImageData Read (Stream stream, ImageMetaData info)
|
||||
{
|
||||
var meta = info as TgfMetaData;
|
||||
if (null == meta)
|
||||
throw new ArgumentException ("TgfFormat.Read should be supplied with TgfMetaData", "info");
|
||||
|
||||
stream.Position = 8;
|
||||
using (var reader = new Reader (stream, meta.BitmapSize, meta.ChunkSize))
|
||||
{
|
||||
reader.Unpack();
|
||||
using (var bmp = new MemoryStream (reader.Data))
|
||||
{
|
||||
var decoder = new BmpBitmapDecoder (bmp,
|
||||
BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
|
||||
BitmapSource frame = decoder.Frames[0];
|
||||
frame.Freeze();
|
||||
return new ImageData (frame, info);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
internal class Reader : IDisposable
|
||||
{
|
||||
BinaryReader m_input;
|
||||
byte[] m_output;
|
||||
int m_chunk_size;
|
||||
|
||||
public byte[] Data { get { return m_output; } }
|
||||
|
||||
public Reader (Stream file, uint bmp_size, int chunk_size)
|
||||
{
|
||||
m_chunk_size = chunk_size;
|
||||
m_output = new byte[bmp_size];
|
||||
m_input = new BinaryReader (file, Encoding.ASCII, true);
|
||||
}
|
||||
|
||||
public void Unpack ()
|
||||
{
|
||||
int dst = 0;
|
||||
while (dst < m_output.Length)
|
||||
{
|
||||
int code = m_input.ReadByte();
|
||||
switch (code)
|
||||
{
|
||||
case 0:
|
||||
{
|
||||
int count = m_input.ReadByte();
|
||||
if (dst + count > m_output.Length)
|
||||
count = m_output.Length - dst;
|
||||
m_input.Read (m_output, dst, count);
|
||||
dst += count;
|
||||
break;
|
||||
}
|
||||
case 1:
|
||||
{
|
||||
int count = m_input.ReadByte() * m_chunk_size;
|
||||
if (dst + count > m_output.Length)
|
||||
count = m_output.Length - dst;
|
||||
m_input.Read (m_output, dst, count);
|
||||
dst += count;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
{
|
||||
if (dst + m_chunk_size > m_output.Length)
|
||||
return;
|
||||
m_input.Read (m_output, dst, m_chunk_size);
|
||||
int src = dst;
|
||||
dst += m_chunk_size;
|
||||
for (int i = 1; i < code; ++i)
|
||||
{
|
||||
if (dst + m_chunk_size > m_output.Length)
|
||||
return;
|
||||
System.Buffer.BlockCopy (m_output, src, m_output, dst, m_chunk_size);
|
||||
dst += m_chunk_size;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#region IDisposable Members
|
||||
bool disposed = false;
|
||||
|
||||
public void Dispose ()
|
||||
{
|
||||
Dispose (true);
|
||||
GC.SuppressFinalize (this);
|
||||
}
|
||||
|
||||
protected virtual void Dispose (bool disposing)
|
||||
{
|
||||
if (!disposed)
|
||||
{
|
||||
if (disposing)
|
||||
m_input.Dispose();
|
||||
disposed = true;
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user