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(Legacy): 'Types' archives and TPGF images.
This commit is contained in:
morkt
parent
6fa882238b
commit
a698488371
80
Legacy/Types/ArcARC.cs
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80
Legacy/Types/ArcARC.cs
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//! \file ArcARC.cs
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//! \date 2018 Jun 08
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//! \brief Types resource archive.
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//
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// Copyright (C) 2018 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.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.IO;
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namespace GameRes.Formats.Types
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{
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[Export(typeof(ArchiveFormat))]
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public class ArcOpener : ArchiveFormat
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{
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public override string Tag { get { return "ARC/TYPES"; } }
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public override string Description { get { return "Types resource archive"; } }
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public override uint Signature { get { return 0; } }
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public override bool IsHierarchic { get { return false; } }
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public override bool CanWrite { get { return false; } }
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public override ArcFile TryOpen (ArcView file)
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{
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if (!file.Name.HasExtension (".arc") || file.MaxOffset > uint.MaxValue)
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return null;
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var dir = new List<Entry>();
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using (var input = file.CreateStream())
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{
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var header = new byte[8];
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while (input.PeekByte() != -1)
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{
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uint size = input.ReadUInt32();
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if (0 == size)
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break;
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uint idx = input.ReadUInt32();
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int name_length = input.ReadUInt16();
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if (0 == name_length || name_length > 0x100)
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return null;
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var name = input.ReadCString (name_length);
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var entry = new Entry {
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Name = name,
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Offset = input.Position,
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Size = size,
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};
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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input.Read (header, 0, header.Length);
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if (header.AsciiEqual (0, "RIFF"))
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entry.Type = "audio";
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else if (header.AsciiEqual (4, "TPGF"))
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entry.Type = "image";
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dir.Add (entry);
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input.Position = entry.Offset + entry.Size;
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}
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}
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if (0 == dir.Count)
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return null;
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return new ArcFile (file, this, dir);
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}
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}
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}
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278
Legacy/Types/ImageTPGF.cs
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278
Legacy/Types/ImageTPGF.cs
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//! \file ImageTPGF.cs
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//! \date 2018 Jun 09
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//! \brief Types image format.
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//
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// Copyright (C) 2018 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.ComponentModel.Composition;
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using System.IO;
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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.Types
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{
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[Export(typeof(ImageFormat))]
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public class TpgFormat : ImageFormat
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{
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public override string Tag { get { return "TPGF"; } }
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public override string Description { get { return "Types image format"; } }
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public override uint Signature { get { return 0; } }
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public override ImageMetaData ReadMetaData (IBinaryStream file)
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{
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var header = file.ReadHeader (13);
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if (!header.AsciiEqual (4, "TPGF"))
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return null;
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int bpp = header[12];
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if (bpp != 8 && bpp != 24)
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return null;
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return new ImageMetaData {
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Width = BigEndian.ToUInt16 (header, 8),
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Height = BigEndian.ToUInt16 (header, 10),
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BPP = bpp,
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};
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}
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public override ImageData Read (IBinaryStream file, ImageMetaData info)
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{
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using (var tpgf = new TpgfReader (file, info))
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{
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var pixels = tpgf.Unpack();
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return ImageData.Create (info, tpgf.Format, tpgf.Palette, pixels);
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}
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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 System.NotImplementedException ("TpgFormat.Write not implemented");
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}
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}
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internal class TpgfReader : IDisposable
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{
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BitStreamEx m_input;
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byte[] m_output;
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ImageMetaData m_info;
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int m_stride;
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public byte[] Data { get { return m_output; } }
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public PixelFormat Format { get; private set; }
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public BitmapPalette Palette { get; private set; }
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public TpgfReader (IBinaryStream input, ImageMetaData info)
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{
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if (8 == info.BPP)
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throw new NotImplementedException();
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m_input = new BitStreamEx (input.AsStream, true);
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m_info = info;
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m_stride = (int)m_info.Height * (info.BPP + 7) / 8;
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m_output = new byte[m_stride * (int)m_info.Width];
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Format = PixelFormats.Bgr24;
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}
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public byte[] Unpack ()
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{
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m_input.Reset();
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m_input.Input.Position = 13;
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var scanline = new byte[m_info.Width];
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int dst_line = 0;
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for (uint y = 0; y < m_info.Height; ++y)
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{
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for (int i = 0; i < 3; ++i)
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{
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ReadScanLine (scanline);
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TransformLine (scanline);
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int dst = dst_line + i;
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for (uint x = 0; x < m_info.Width; ++x)
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{
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m_output[dst] = scanline[x];
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dst += 3;
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}
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}
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dst_line += m_stride;
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}
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return m_output;
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}
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void ReadScanLine (byte[] line)
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{
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int dst = 0;
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while (dst < line.Length)
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{
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int ctl = m_input.GetBits (3);
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int count = ReadCount() + 1;
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if (ctl != 0)
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{
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m_input.ReadEncodedBits (line, dst, count, ctl + 1);
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}
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else
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{
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for (int i = 0; i < count; ++i)
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line[dst+i] = 0;
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}
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dst += count;
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}
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}
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int ReadCount ()
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{
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int i = 1;
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while (m_input.GetNextBit() == 0)
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++i;
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return m_input.GetBits (i) + (1 << i) - 2;
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}
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void TransformLine (byte[] line)
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{
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var tmp = line.Clone() as byte[];
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for (int i = 1; i < line.Length; ++i)
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{
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byte a = tmp[i];
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byte b = line[i-1];
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line[i] = TransformMap[a, b];
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}
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}
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static readonly byte[,] TransformMap = InitTransformMap();
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static byte[,] InitTransformMap ()
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{
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var table = new byte[256,256];
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for (int i = 0; i < 256; ++i)
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for (int j = 0; j < 256; ++j)
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{
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int v;
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if (j >= 128)
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v = -1 - j;
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else
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v = j;
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if (2 * v < i)
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v = i;
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else if ((i & 1) != 0)
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v += (i + 1) >> 1;
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else
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v -= i >> 1;
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if (j >= 128)
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table[i,j] = (byte)(-1 - v);
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else
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table[i,j] = (byte)v;
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}
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return table;
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}
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bool m_disposed = false;
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public void Dispose ()
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{
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if (!m_disposed)
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{
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m_input.Dispose();
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m_disposed = true;
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}
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}
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}
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internal class BitStreamEx : BitStream, IBitStream
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{
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public BitStreamEx (Stream file, bool leave_open = false) : base (file, leave_open)
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{
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}
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public int GetBits (int count)
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{
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int mask = (1 << count) - 1;
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int v = 0;
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for (;;)
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{
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if (0 == m_cached_bits)
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{
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m_bits = m_input.ReadByte();
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if (-1 == m_bits)
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return -1;
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m_cached_bits = 8;
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}
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if (m_cached_bits >= count)
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break;
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count -= m_cached_bits;
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v |= m_bits << count;
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m_cached_bits = 0;
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}
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m_cached_bits -= count;
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return (m_bits >> m_cached_bits | v) & mask;
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}
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public int GetNextBit ()
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{
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return GetBits (1);
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}
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byte[] m_bit_buffer = new byte[1024];
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public void ReadEncodedBits (byte[] buffer, int dst, int count, int ctl)
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{
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int mask = (1 << ctl) - 1;
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var cur_pos = m_input.Position;
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int byte_count = 0;
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m_input.Read (m_bit_buffer, 0, (count * ctl + 7) / 8 + 1);
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for (int i = 0; i < count; ++i)
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{
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int v = 0;
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int bit_count = ctl;
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for (;;)
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{
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if (0 == m_cached_bits)
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{
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m_bits = m_bit_buffer[byte_count++];
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m_cached_bits = 8;
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}
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if (m_cached_bits >= bit_count)
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break;
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bit_count -= m_cached_bits;
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v |= BitMap1[m_bits, bit_count];
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m_cached_bits = 0;
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}
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m_cached_bits -= bit_count;
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buffer[dst+i] = (byte)((BitMap2[m_bits, m_cached_bits] | v) & mask);
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}
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m_input.Position = cur_pos + byte_count;
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}
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static readonly byte[,] BitMap1;
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static readonly byte[,] BitMap2;
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static BitStreamEx ()
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{
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BitMap1 = new byte[256,8];
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BitMap2 = new byte[256,8];
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for (int i = 0; i < 256; ++i)
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{
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for (int j = 0; j < 8; ++j)
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{
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BitMap1[i, j] = (byte)(i << j);
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BitMap2[i, j] = (byte)(i >> j);
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}
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}
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}
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}
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}
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