GARbro-mirror/ArcFormats/KScript/ImageKSL.cs

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//! \file ImageKSL.cs
//! \date Wed Aug 31 11:18:38 2016
//! \brief KScript engine grayscale image format.
//
// 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.ComponentModel.Composition;
using System.IO;
using System.Windows.Media;
using GameRes.Utility;
namespace GameRes.Formats.KScript
{
internal class KslMetaData : ImageMetaData
{
public byte Key;
public int DataLength;
}
[Export(typeof(ImageFormat))]
public class KslFormat : ImageFormat
{
public override string Tag { get { return "KSL"; } }
public override string Description { get { return "KScript grayscale image format"; } }
public override uint Signature { get { return 0x4D4C534B; } } // 'KSLM'
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public override ImageMetaData ReadMetaData (IBinaryStream stream)
{
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var header = stream.ReadHeader (0x14);
return new KslMetaData
{
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Width = header.ToUInt32 (0xC),
Height = header.ToUInt32 (0x10),
BPP = 8,
Key = (byte)(header[4] ^ header[5]),
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DataLength = header.ToInt32 (8),
};
}
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public override ImageData Read (IBinaryStream stream, ImageMetaData info)
{
var meta = (KslMetaData)info;
stream.Position = 0x14;
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var pixels = stream.ReadBytes (meta.DataLength);
for (int i = 0; i < pixels.Length; ++i)
pixels[i] ^= meta.Key;
return ImageData.Create (info, PixelFormats.Gray8, null, pixels);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("KslFormat.Write not implemented");
}
}
}