diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj index 470ef4c1..cfeb8b27 100644 --- a/ArcFormats/ArcFormats.csproj +++ b/ArcFormats/ArcFormats.csproj @@ -105,6 +105,7 @@ + diff --git a/ArcFormats/Kurumi/ImageGRA.cs b/ArcFormats/Kurumi/ImageGRA.cs new file mode 100644 index 00000000..9005bcfc --- /dev/null +++ b/ArcFormats/Kurumi/ImageGRA.cs @@ -0,0 +1,69 @@ +//! \file ImageGRA.cs +//! \date Tue Mar 28 06:35:39 2017 +//! \brief Virgin Snow image format. +// +// 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 GameRes.Compression; + +namespace GameRes.Formats.Kurumi +{ + [Export(typeof(ImageFormat))] + public class GraFormat : ImageFormat + { + public override string Tag { get { return "GRA/VS"; } } + public override string Description { get { return "Virgin Snow image format"; } } + public override uint Signature { get { return 0x67726956; } } // 'Virg' + + static readonly byte[] Key = { 0x5A, 0xA5 }; + + public override ImageMetaData ReadMetaData (IBinaryStream file) + { + var header = file.ReadHeader (0x20); + if (!header.AsciiEqual ("Virgin Snow Compressed Data 1.0")) + return null; + using (var bmp = UnpackStream (file)) + return Bmp.ReadMetaData (bmp); + } + + public override ImageData Read (IBinaryStream file, ImageMetaData info) + { + file.Position = 0x20; + using (var bmp = UnpackStream (file)) + return Bmp.Read (bmp, info); + } + + IBinaryStream UnpackStream (IBinaryStream file) + { + Stream input = new ByteStringEncryptedStream (file.AsStream, Key, true); + input = new ZLibStream (input, CompressionMode.Decompress); + return new BinaryStream (input, file.Name); + } + + public override void Write (Stream file, ImageData image) + { + throw new System.NotImplementedException ("GraFormat.Write not implemented"); + } + } +}