diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj index 7fdc8a89..9b855c71 100644 --- a/ArcFormats/ArcFormats.csproj +++ b/ArcFormats/ArcFormats.csproj @@ -116,6 +116,7 @@ CreateYPFWidget.xaml + diff --git a/ArcFormats/ImageBIP.cs b/ArcFormats/ImageBIP.cs new file mode 100644 index 00000000..a87d28b6 --- /dev/null +++ b/ArcFormats/ImageBIP.cs @@ -0,0 +1,160 @@ +//! \file ImageBIP.cs +//! \date Thu Mar 05 09:36:40 2015 +//! \brief BIP tiled bitmap 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.Collections.Generic; +using System.ComponentModel.Composition; +using System.IO; +using System.Text; +using System.Windows; +using System.Windows.Media; +using System.Windows.Media.Imaging; +using GameRes.Utility; + +namespace GameRes.Formats.PS2 +{ + internal class BipMetaData : ImageMetaData + { + public readonly List Tiles = new List(); + } + + internal class BipTile + { + public int Left; + public int Top; + public int Width; + public int Height; + public uint Offset; + } + + [Export(typeof(ImageFormat))] + public class BipFormat : ImageFormat + { + public override string Tag { get { return "BIP"; } } + public override string Description { get { return "PS2 tiled bitmap format"; } } + public override uint Signature { get { return 0; } } + + public override void Write (Stream file, ImageData image) + { + throw new NotImplementedException ("BipFormat.Write not implemented"); + } + + public override ImageMetaData ReadMetaData (Stream stream) + { + using (var input = new BinaryReader (stream, Encoding.ASCII, true)) + { + int sig = input.ReadInt32(); + if (sig != 5 && sig != 10) + return null; + uint header_end = (uint)sig*4; + uint index_offset = input.ReadUInt32(); + + input.BaseStream.Position = header_end-4; + uint data_offset = input.ReadUInt32() + 8; + if (index_offset >= data_offset || index_offset < header_end) + return null; + input.BaseStream.Position = index_offset; + int tile_count = input.ReadInt16(); + int flag = input.ReadInt16(); + if (tile_count <= 0 || 0 != flag) + return null; + input.ReadInt32(); + uint w = input.ReadUInt16(); + uint h = input.ReadUInt16(); + var meta = new BipMetaData { Width = w, Height = h, BPP = 32 }; + for (int i = 0; i < tile_count; ++i) + { + input.ReadInt64(); + var tile = new BipTile(); + tile.Left = input.ReadUInt16(); + tile.Top = input.ReadUInt16(); + tile.Width = input.ReadUInt16(); + tile.Height = input.ReadUInt16(); + if (tile.Left + tile.Width > meta.Width) + meta.Width = (uint)(tile.Left + tile.Width); + if (tile.Top + tile.Height > meta.Height) + meta.Height = (uint)(tile.Top + tile.Height); + input.ReadInt64(); + tile.Offset = input.ReadUInt32() + data_offset; + meta.Tiles.Add (tile); + } + if (0 == meta.Width || 0 == meta.Height || 0 == meta.Tiles.Count) + return null; + return meta; + } + } + + public override ImageData Read (Stream stream, ImageMetaData info) + { + var meta = info as BipMetaData; + if (null == meta) + throw new ArgumentException ("BipFormat.Read should be supplied with BipMetaData", "info"); + + using (var input = new BinaryReader (stream, Encoding.ASCII, true)) + { + var header = new byte[0x7c]; + var bitmap = new WriteableBitmap ((int)meta.Width, (int)meta.Height, 96, 96, PixelFormats.Bgra32, null); + foreach (var tile in meta.Tiles) + { + input.BaseStream.Position = tile.Offset; + if (header.Length != input.Read (header, 0, header.Length)) + throw new InvalidFormatException ("Invalid tile header"); + if (!Binary.AsciiEqual (header, "PNGFILE2")) + throw new InvalidFormatException ("Unknown tile format"); + int data_size = LittleEndian.ToInt32 (header, 0x18) - header.Length; + int alpha = LittleEndian.ToInt32 (header, 0x68); + int x = LittleEndian.ToInt32 (header, 0x6c); + int y = LittleEndian.ToInt32 (header, 0x70); + var data = new byte[data_size]; + if (data_size != input.Read (data, 0, data_size)) + throw new InvalidFormatException ("Unexpected end of file"); + using (var png = new MemoryStream (data, false)) + { + var decoder = new PngBitmapDecoder (png, + BitmapCreateOptions.None, BitmapCacheOption.OnLoad); + BitmapSource frame = decoder.Frames[0]; + PixelFormat format = 0 == alpha ? PixelFormats.Bgr32 : PixelFormats.Bgra32; + var converted = new FormatConvertedBitmap (frame, format, null, 0); + int stride = converted.PixelWidth * 4; + var pixels = new byte[stride * converted.PixelHeight]; + converted.CopyPixels (pixels, stride, 0); + for (int p = 0; p < pixels.Length; p += 4) + { + byte r = pixels[p]; + pixels[p] = pixels[p+2]; + pixels[p+2] = r; + int a = 0 == alpha ? 0xff : pixels[p+3] * 0xff / 0x80; + pixels[p+3] = (byte)a; + } + var rect = new Int32Rect (tile.Left+x, tile.Top+y, converted.PixelWidth, converted.PixelHeight); + bitmap.WritePixels (rect, pixels, stride, 0); + } + } + bitmap.Freeze(); + return new ImageData (bitmap, meta); + } + } + } +}