diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj index 8ca4d741..245cab82 100644 --- a/ArcFormats/ArcFormats.csproj +++ b/ArcFormats/ArcFormats.csproj @@ -167,6 +167,7 @@ + @@ -238,6 +239,7 @@ zlib64.dll PreserveNewest + @@ -251,6 +253,7 @@ + diff --git a/ArcFormats/ImageIAF.cs b/ArcFormats/ImageIAF.cs new file mode 100644 index 00000000..939fd300 --- /dev/null +++ b/ArcFormats/ImageIAF.cs @@ -0,0 +1,238 @@ +//! \file ImageIAF.cs +//! \date Sun May 31 21:17:54 2015 +//! \brief IAF image format. +// +// Copyright (C) 2015 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.Utility; + +namespace GameRes.Formats.Triangle +{ + internal class IafMetaData : ImageMetaData + { + public int UnpackedSize; + public int PackType; + } + + [Export(typeof(ImageFormat))] + public class IafFormat : BmpFormat + { + public override string Tag { get { return "IAF"; } } + public override string Description { get { return "Triangle compressed bitmap format"; } } + public override uint Signature { get { return 0; } } + + public override ImageMetaData ReadMetaData (Stream stream) + { + var header = new byte[12]; + if (header.Length != stream.Read (header, 0, header.Length)) + return null; + int x = LittleEndian.ToInt32 (header, 0); + int y = LittleEndian.ToInt32 (header, 4); + if (Math.Abs (x) > 4096 || Math.Abs (y) > 4096) + return null; + int unpacked_size = LittleEndian.ToInt32 (header, 8); + int pack_type = (unpacked_size >> 30) & 3; + unpacked_size &= (int)~0xC0000000; + byte[] bmp; + if (0 == pack_type) + { + using (var reader = new LzssReader (stream, (int)stream.Length-12, 0x26)) + { + reader.Unpack(); + bmp = reader.Data; + } + } + else if (2 == pack_type) + { + using (var reader = new RleReader (stream, (int)stream.Length-12, 0x26)) + { + reader.Unpack(); + bmp = reader.Data; + } + } + else if (1 == pack_type) + { + bmp = new byte[0x26]; + stream.Read (bmp, 0, bmp.Length); + } + else + { + return null; + } + if (bmp[0] != 'B' && bmp[0] != 'C' || bmp[1] != 'M') + return null; + int width = LittleEndian.ToInt32 (bmp, 0x12); + int height = LittleEndian.ToInt32 (bmp, 0x16); + int bpp = LittleEndian.ToInt16 (bmp, 0x1c); + return new IafMetaData + { + Width = (uint)width, + Height = (uint)height, + OffsetX = x, + OffsetY = y, + BPP = bpp, + UnpackedSize = unpacked_size, + PackType = pack_type, + }; + } + + public override ImageData Read (Stream stream, ImageMetaData info) + { + var meta = info as IafMetaData; + if (null == meta) + throw new ArgumentException ("IafFormat.Read should be supplied with IafMetaData", "info"); + + stream.Position = 12; + int packed_size = (int)stream.Length-12; + byte[] pixels; + if (2 == meta.PackType) + { + using (var reader = new RleReader (stream, packed_size, meta.UnpackedSize)) + { + reader.Unpack(); + pixels = reader.Data; + } + } + else if (0 == meta.PackType) + { + using (var reader = new LzssReader (stream, packed_size, meta.UnpackedSize)) + { + reader.Unpack(); + pixels = reader.Data; + } + } + else + { + pixels = new byte[meta.UnpackedSize]; + if (pixels.Length != stream.Read (pixels, 0, pixels.Length)) + throw new InvalidFormatException ("Unexpected end of file"); + } + if ('C' == pixels[0]) + { + pixels[0] = (byte)'B'; + if (info.BPP > 8) + pixels = ConvertCM (pixels, (int)info.Width, (int)info.Height, info.BPP); + } + using (var bmp = new MemoryStream (pixels)) + return base.Read (bmp, info); + } + + public override void Write (Stream file, ImageData image) + { + throw new System.NotImplementedException ("IafFormat.Write not implemented"); + } + + static byte[] ConvertCM (byte[] input, int width, int height, int bpp) + { + int src = LittleEndian.ToInt32 (input, 0x0a); + int pixel_size = bpp / 8; + var bitmap = new byte[input.Length]; + Buffer.BlockCopy (input, 0, bitmap, 0, src); + int stride = width * pixel_size; + int i = src; + for (int p = 0; p < pixel_size; ++p) + { + for (int y = 0; y < height; ++y) + { + int pixel = y * stride + p; + for (int x = 0; x < width; ++x) + { + bitmap[src+pixel] = input[i++]; + pixel += pixel_size; + } + } + } + return bitmap; + } + } + + internal class RleReader : IDataUnpacker, IDisposable + { + BinaryReader m_input; + byte[] m_output; + int m_size; + + public byte[] Data { get { return m_output; } } + + public RleReader (Stream input, int input_length, int output_length) + { + m_input = new ArcView.Reader (input); + m_output = new byte[output_length]; + m_size = input_length; + } + + public void Unpack () + { + int src = 0; + int dst = 0; + while (dst < m_output.Length && src < m_size) + { + byte ctl = m_input.ReadByte(); + ++src; + if (0 == ctl) + { + int count = m_input.ReadByte(); + ++src; + count = Math.Min (count, m_output.Length - dst); + int read = m_input.Read (m_output, dst, count); + dst += count; + src += count; + } + else + { + int count = ctl; + byte b = m_input.ReadByte(); + ++src; + count = Math.Min (count, m_output.Length - dst); + + for (int i = 0; i < count; i++) + m_output[dst++] = b; + } + } + } + + #region IDisposable Members + bool disposed = false; + + public void Dispose () + { + Dispose (true); + GC.SuppressFinalize (this); + } + + protected virtual void Dispose (bool disposing) + { + if (!disposed) + { + if (disposing) + { + m_input.Dispose(); + } + disposed = true; + } + } + #endregion + } +} diff --git a/ArcFormats/Properties/AssemblyInfo.cs b/ArcFormats/Properties/AssemblyInfo.cs index 6c68f127..80106624 100644 --- a/ArcFormats/Properties/AssemblyInfo.cs +++ b/ArcFormats/Properties/AssemblyInfo.cs @@ -32,5 +32,5 @@ using System.Runtime.InteropServices; // You can specify all the values or you can default the Build and Revision Numbers // by using the '*' as shown below: // [assembly: AssemblyVersion("1.0.*")] -[assembly: AssemblyVersion ("1.0.5.54")] -[assembly: AssemblyFileVersion ("1.0.5.54")] +[assembly: AssemblyVersion ("1.0.5.55")] +[assembly: AssemblyFileVersion ("1.0.5.55")]