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90 lines
4.5 KiB
C#
90 lines
4.5 KiB
C#
//! \file ImageG00Jpeg.cs
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//! \date 2018 Apr 09
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//! \brief Siglus engine encrypted JPEG image.
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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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using System.IO;
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using System.Windows.Media;
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namespace GameRes.Formats.RealLive
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{
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[Export(typeof(ImageFormat))]
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public class G00JpegFormat : ImageFormat
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{
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public override string Tag { get { return "G00/JPEG"; } }
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public override string Description { get { return "Siglus engine encrypted JPEG image"; } }
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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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int type = file.ReadByte();
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if (type != 3)
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return null;
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uint width = file.ReadUInt16();
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uint height = file.ReadUInt16();
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if (0 == width || width > 0x8000 || 0 == height || height > 0x8000)
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return null;
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using (var jpeg = OpenJpegStream (file))
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return Jpeg.ReadMetaData (jpeg);
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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 jpeg = OpenJpegStream (file))
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return Jpeg.Read (jpeg, info);
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}
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IBinaryStream OpenJpegStream (IBinaryStream file)
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{
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Stream input = new StreamRegion (file.AsStream, 5, true);
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input = new ByteStringEncryptedStream (input, DefaultKey);
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return new BinaryStream (input, file.Name);
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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 ("G00JpegFormat.Write not implemented");
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}
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static readonly byte[] DefaultKey = {
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0x45, 0x0C, 0x85, 0xC0, 0x75, 0x14, 0xE5, 0x5D, 0x8B, 0x55, 0xEC, 0xC0, 0x5B, 0x8B, 0xC3, 0x8B,
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0x81, 0xFF, 0x00, 0x00, 0x04, 0x00, 0x85, 0xFF, 0x6A, 0x00, 0x76, 0xB0, 0x43, 0x00, 0x76, 0x49,
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0x00, 0x8B, 0x7D, 0xE8, 0x8B, 0x75, 0xA1, 0xE0, 0x0C, 0x85, 0xC0, 0xC0, 0x75, 0x78, 0x30, 0x44,
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0x00, 0x85, 0xFF, 0x76, 0x37, 0x81, 0x1D, 0xD0, 0xFF, 0x00, 0x00, 0x75, 0x44, 0x8B, 0xB0, 0x43,
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0x45, 0xF8, 0x8D, 0x55, 0xFC, 0x52, 0x00, 0x76, 0x68, 0x00, 0x00, 0x04, 0x00, 0x6A, 0x43, 0x8B,
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0xB1, 0x43, 0x00, 0x6A, 0x05, 0xFF, 0x50, 0xFF, 0xD3, 0xA1, 0xE0, 0x04, 0x00, 0x56, 0x15, 0x2C,
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0x44, 0x00, 0x85, 0xC0, 0x74, 0x09, 0xC3, 0xA1, 0x5F, 0x5E, 0x33, 0x8B, 0xE5, 0x5D, 0xE0, 0x30,
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0x04, 0x00, 0x81, 0xC6, 0x00, 0x00, 0x81, 0xEF, 0x04, 0x00, 0x85, 0x30, 0x44, 0x00, 0x00, 0x00,
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0x5D, 0xC3, 0x8B, 0x55, 0xF8, 0x8D, 0x5E, 0x5B, 0x4D, 0xFC, 0x51, 0xC4, 0x04, 0x5F, 0x8B, 0xE5,
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0x43, 0x00, 0xEB, 0xD8, 0x8B, 0x45, 0xFF, 0x15, 0xE8, 0x83, 0xC0, 0x57, 0x56, 0x52, 0x2C, 0xB1,
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0x01, 0x00, 0x8B, 0x7D, 0xE8, 0x89, 0x00, 0xE8, 0x45, 0xF4, 0x8B, 0x20, 0x50, 0x6A, 0x47, 0x28,
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0x00, 0x50, 0x53, 0xFF, 0x15, 0x34, 0xE4, 0x6A, 0xB1, 0x43, 0x00, 0x0C, 0x8B, 0x45, 0x00, 0x6A,
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0x8B, 0x4D, 0xEC, 0x89, 0x08, 0x8A, 0x85, 0xC0, 0x45, 0xF0, 0x84, 0x8B, 0x45, 0x10, 0x74, 0x05,
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0xF5, 0x28, 0x01, 0x00, 0x83, 0xC4, 0x52, 0x6A, 0x08, 0x89, 0x45, 0x83, 0xC2, 0x20, 0x00, 0xE8,
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0xE8, 0xF4, 0xFB, 0xFF, 0xFF, 0x8B, 0x8B, 0x5D, 0x45, 0x0C, 0x83, 0xC0, 0x74, 0xC5, 0xF8, 0x53,
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0xC4, 0x08, 0x85, 0xC0, 0x75, 0x56, 0x30, 0x44, 0x8B, 0x1D, 0xD0, 0xF0, 0xA1, 0xE0, 0x00, 0x83,
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};
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}
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}
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