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(Legacy): implemented CII images and CWV audio.
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morkt
parent
08016ea454
commit
8f133df5a5
67
Legacy/Uncanny/AudioCWV.cs
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67
Legacy/Uncanny/AudioCWV.cs
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//! \file AudioCWV.cs
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//! \date 2018 Jan 13
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//! \brief Uncanny encrypted WAV file.
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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.ComponentModel.Composition;
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namespace GameRes.Formats.Uncanny
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{
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[Export(typeof(AudioFormat))]
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public class CwvAudio : AudioFormat
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{
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public override string Tag { get { return "CWV"; } }
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public override string Description { get { return "Uncanny encrypted WAV audio"; } }
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public override uint Signature { get { return 0xA06F8BF7; } }
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public override bool CanWrite { get { return false; } }
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public override SoundInput TryOpen (IBinaryStream file)
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{
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var header = file.ReadBytes (0x10);
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Decrypt (header, 0, 0x10);
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if (!header.AsciiEqual (8, "WAVEfmt "))
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return null;
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file.Position = 0;
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var wave = file.ReadBytes ((int)file.Length);
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Decrypt (wave, 0, wave.Length);
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var input = new BinMemoryStream (wave);
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var sound = Wav.TryOpen (input);
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if (sound != null)
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file.Dispose();
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return sound;
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}
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static void Decrypt (byte[] data, int pos, int length)
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{
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uint key = 0x4B5AB4A5;
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for (int i = 0; i < length; ++i)
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{
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byte x = (byte)(key ^ data[pos+i]);
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data[pos+i] = x;
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key = ((key << 9) | (key >> 23) & 0x1F0) ^ x;
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}
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}
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}
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}
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204
Legacy/Uncanny/ImageCII.cs
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Legacy/Uncanny/ImageCII.cs
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//! \file ImageCII.cs
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//! \date 2018 Jan 12
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//! \brief Uncanny 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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// [000825][Uncanny!] Camera Eyes
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namespace GameRes.Formats.Uncanny
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{
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internal class CiiMetaData : ImageMetaData
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{
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public bool IsCompressed;
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}
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[Export(typeof(ImageFormat))]
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public class CiiFormat : ImageFormat
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{
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public override string Tag { get { return "CII"; } }
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public override string Description { get { return "Uncanny 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 (8);
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int type = header.ToUInt16 (0);
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int bpp;
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if (5 == type)
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bpp = 24;
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else if (3 == (type & 0x7FFF))
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bpp = 8;
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else if (2 == (type & 0x7FFF))
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bpp = 4;
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else
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return null;
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int w = header.ToInt16 (2);
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int h = header.ToInt16 (4);
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if (w <= 0 || h <= 0)
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return null;
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if (bpp <= 8)
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{
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int colors = 1 << bpp;
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if (colors < header.ToUInt16 (6))
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return null;
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}
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return new CiiMetaData {
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Width = (uint)w,
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Height = (uint)h,
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BPP = bpp,
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IsCompressed = (header[1] & 0x80) != 0,
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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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var reader = new CiiReader (file, (CiiMetaData)info);
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reader.Unpack();
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return ImageData.Create (info, reader.Format, reader.Palette, reader.Data, reader.Stride);
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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 ("CiiFormat.Write not implemented");
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}
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}
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internal class CiiReader
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{
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IBinaryStream m_input;
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CiiMetaData m_info;
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int m_stride;
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byte[] m_output;
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public BitmapPalette Palette { get; private set; }
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public PixelFormat Format { get; private set; }
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public int Stride { get { return m_stride; } }
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public byte[] Data { get { return m_output; } }
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public CiiReader (IBinaryStream input, CiiMetaData info)
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{
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m_input = input;
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m_info = info;
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m_stride = (int)info.Width * info.BPP / 8;
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m_output = new byte[m_stride * (((int)m_info.Height + 1) & ~1)];
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if (24 == m_info.BPP)
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Format = PixelFormats.Bgr24;
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else if (8 == m_info.BPP)
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Format = PixelFormats.Indexed8;
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else
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Format = PixelFormats.Indexed4;
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}
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public void Unpack ()
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{
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m_input.Position = 6;
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if (m_info.BPP <= 8)
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{
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int colors = m_input.ReadUInt16();
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Palette = ImageFormat.ReadPalette (m_input.AsStream, colors);
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if (m_info.IsCompressed)
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UnpackRle();
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else
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m_input.Read (m_output, 0, m_output.Length);
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}
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else
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Unpack24bpp();
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}
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void UnpackRle ()
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{
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int dst = 0;
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while (dst < m_output.Length)
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{
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int count = m_input.ReadByte();
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if (-1 == count)
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break;
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if (0 != (count & 0x80))
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{
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byte v = m_input.ReadUInt8();
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count = (count & 0x7F) + 1;
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while (count --> 0)
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m_output[dst++] = v;
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}
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else
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{
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count++;
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m_input.Read (m_output, dst, count);
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dst += count;
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}
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}
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}
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void Unpack24bpp ()
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{
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int blocks_w = (int)m_info.Width / 2;
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int blocks_h = (int)m_info.Height / 2;
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int dst1 = 0;
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int dst2 = m_stride;
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for (int y = 0; y < blocks_h; ++y)
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{
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for (int x = 0; x < blocks_w; ++x)
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{
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sbyte v1 = m_input.ReadInt8();
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sbyte v2 = m_input.ReadInt8();
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int b = (29145 * v2 - 21601 * v1) >> 14;
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int g = (-5312 * v1 - 11083 * v2) >> 14;
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int r = (3 * (v1 + 24 * (v1 + 2 * (v1 + (v1 << 7)))) + 10638 * v2) >> 14;
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byte x00 = m_input.ReadUInt8();
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m_output[dst1++] = Clamp (x00 + b);
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m_output[dst1++] = Clamp (x00 + g);
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m_output[dst1++] = Clamp (x00 + r);
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byte x01 = m_input.ReadUInt8();
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m_output[dst1++] = Clamp (x01 + b);
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m_output[dst1++] = Clamp (x01 + g);
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m_output[dst1++] = Clamp (x01 + r);
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byte x10 = m_input.ReadUInt8();
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m_output[dst2++] = Clamp (x10 + b);
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m_output[dst2++] = Clamp (x10 + g);
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m_output[dst2++] = Clamp (x10 + r);
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byte x11 = m_input.ReadUInt8();
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m_output[dst2++] = Clamp (x11 + b);
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m_output[dst2++] = Clamp (x11 + g);
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m_output[dst2++] = Clamp (x11 + r);
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}
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dst1 += m_stride;
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dst2 += m_stride;
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}
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}
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static byte Clamp (int v)
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{
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if (v < 0)
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return 0;
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else if (v > 0xFF)
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return 0xFF;
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return (byte)v;
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}
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}
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}
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