diff --git a/Legacy/Hyperspace/BmpExtension.cs b/Legacy/Hyperspace/BmpExtension.cs new file mode 100644 index 00000000..78e4b3c1 --- /dev/null +++ b/Legacy/Hyperspace/BmpExtension.cs @@ -0,0 +1,50 @@ +//! \file BmpExtension.cs +//! \date 2018 Jan 14 +//! \brief BMP files with obfuscated color depth. +// +// Copyright (C) 2018 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.Windows.Media; + +namespace GameRes.Formats.Hyperspace +{ + /// + /// Color depth of 24bpp images simply changed to 16bpp. This extensions reverts it back. + /// + [Export(typeof(IBmpExtension))] + public class BmpDepthFixer : IBmpExtension + { + public ImageData Read (IBinaryStream file, BmpMetaData info) + { + if (info.BPP != 0x10 || !file.CanSeek) + return null; + int stride = ((int)info.Width * 3 + 3) & ~3; + int total_24bpp = stride * (int)info.Height; + if (total_24bpp + info.ImageOffset != file.Length) + return null; + file.Position = info.ImageOffset; + var pixels = file.ReadBytes ((int)total_24bpp); + return ImageData.CreateFlipped (info, PixelFormats.Bgr24, null, pixels, stride); + } + } +}