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(Legacy): implemented RBM images.
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morkt committed Dec 31, 2017
1 parent d8062b0 commit 1260586
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1 change: 1 addition & 0 deletions Legacy/Legacy.csproj
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<Compile Include="Kurumi\ArcMPK.cs" />
<Compile Include="Melody\ImageMGO.cs" />
<Compile Include="Mink\ImageGDF.cs" />
<Compile Include="Mutation\ImageRBM.cs" />
<Compile Include="Nabe\ImageYPF.cs" />
<Compile Include="Nanami\ArcBMM.cs" />
<Compile Include="Nekotaro\ArcNSC.cs" />
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88 changes: 88 additions & 0 deletions Legacy/Mutation/ImageRBM.cs
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//! \file ImageRBM.cs
//! \date 2017 Dec 31
//! \brief Mutation compressed image.
//
// Copyright (C) 2017 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.ComponentModel.Composition;
using System.IO;
using System.Windows.Media;
using GameRes.Utility;

namespace GameRes.Formats.Mutation
{
[Export(typeof(ImageFormat))]
public class RbmFormat : ImageFormat
{
public override string Tag { get { return "RBM"; } }
public override string Description { get { return "Mutation compressed image"; } }
public override uint Signature { get { return 0x004D4252; } } // 'RBM'

public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (10);
return new ImageMetaData {
Width = header.ToUInt16 (6),
Height = header.ToUInt16 (8),
BPP = 24,
};
}

public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
file.Position = 10;
int stride = (int)info.Width * 3;
var pixels = new byte[stride * (int)info.Height];
int dst = 0;
byte bit = 0;
byte bit_mask = 0;
while (dst < pixels.Length)
{
bit_mask >>= 1;
if (0 == bit_mask)
{
bit = file.ReadUInt8();
bit_mask = 0x80;
}
if (0 != (bit & bit_mask))
{
int offset = file.ReadUInt16();
int count = ((offset & 0xF) + 1) * 3;
offset = ((offset >> 4) + 1) * 3;
Binary.CopyOverlapped (pixels, dst-offset, dst, count);
dst += count;
}
else
{
file.Read (pixels, dst, 3);
dst += 3;
}
}
return ImageData.CreateFlipped (info, PixelFormats.Bgr24, null, pixels, stride);
}

public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("RbmFormat.Write not implemented");
}
}
}

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