GARbro-mirror/ArcFormats/Cri/ImageSPC.cs

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//! \file ImageSPC.cs
//! \date Tue Mar 08 19:05:11 2016
//! \brief CRI MiddleWare compressed multi-frame image.
//
// Copyright (C) 2016 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.ComponentModel.Composition;
using System.IO;
using GameRes.Compression;
namespace GameRes.Formats.Cri
{
[Export(typeof(ImageFormat))]
public class SpcFormat : XtxFormat
{
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public override string Tag { get { return "SPC/Xbox360"; } }
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public override string Description { get { return "CRI MiddleWare compressed texture format"; } }
public override uint Signature { get { return 0; } }
public SpcFormat ()
{
Signatures = new uint[] { 0 };
}
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public override ImageMetaData ReadMetaData (IBinaryStream stream)
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{
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uint unpacked_size = stream.Signature;
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if (unpacked_size <= 0x20 || unpacked_size > 0x5000000) // ~83MB
return null;
stream.Position = 4;
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using (var lzss = new LzssStream (stream.AsStream, LzssMode.Decompress, true))
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using (var input = new SeekableStream (lzss))
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using (var xtx = new BinaryStream (input, stream.Name))
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return base.ReadMetaData (xtx);
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}
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public override ImageData Read (IBinaryStream stream, ImageMetaData info)
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{
stream.Position = 4;
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using (var lzss = new LzssStream (stream.AsStream, LzssMode.Decompress, true))
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using (var input = new SeekableStream (lzss))
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using (var xtx = new BinaryStream (input, stream.Name))
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return base.Read (xtx, info);
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}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("SpcFormat.Write not implemented");
}
}
}