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https://github.com/crskycode/GARbro.git
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152 lines
5.8 KiB
C#
152 lines
5.8 KiB
C#
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//! \file ImageHIZ.cs
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//! \date Fri Jul 31 19:07:24 2015
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//! \brief elf HIZ bitmap format.
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//
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// Copyright (C) 2015 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Windows.Media;
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using GameRes.Compression;
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using GameRes.Utility;
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namespace GameRes.Formats.Elf
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{
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internal class HizMetaData : ImageMetaData
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{
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public bool IsPacked;
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public uint DataOffset;
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public uint UnpackedSize;
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}
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[Export(typeof(ImageFormat))]
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public class HizFormat : ImageFormat
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{
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public override string Tag { get { return "HIZ"; } }
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public override string Description { get { return "elf bitmap format"; } }
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public override uint Signature { get { return 0x007A6968; } } // 'hiz'
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public override ImageMetaData ReadMetaData (Stream stream)
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{
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using (var input = new ArcView.Reader (stream)) // sub_4BF900
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{
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input.ReadInt32();
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int n = input.ReadInt32();
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if (100 != n)
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return null;
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uint right = input.ReadUInt32() ^ 0xAA5A5A5A;
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uint bottom = input.ReadUInt32() ^ 0xAC9326AF;
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int unknown1 = input.ReadInt32(); // @0x10
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if (unknown1 == 0x375A8436)
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return null;
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uint unpacked_size = input.ReadUInt32() ^ 0x19739D6A; // @0x14
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if (unpacked_size != right*bottom*4)
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return null;
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return new HizMetaData
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{
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Width = right,
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Height = bottom,
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BPP = 32,
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IsPacked = true,
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DataOffset = 0x4c,
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UnpackedSize = unpacked_size,
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};
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}
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}
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public override ImageData Read (Stream stream, ImageMetaData info)
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{
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var meta = info as HizMetaData;
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if (null == meta)
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throw new ArgumentException ("HizFormat.Read should be supplied with HizMetaData", "info");
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var pixels = new byte[meta.UnpackedSize];
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stream.Position = meta.DataOffset;
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using (var lzss = new LzssStream (stream, LzssMode.Decompress, true))
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{
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var channel = new byte[info.Width*info.Height];
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for (int p = 0; p < 4; ++p)
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{
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if (channel.Length != lzss.Read (channel, 0, channel.Length))
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throw new InvalidFormatException ("Unexpected end of file");
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int src = 0;
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for (int i = p; i < pixels.Length; i += 4)
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pixels[i] = channel[src++];
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}
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return ImageData.Create (info, PixelFormats.Bgra32, null, pixels);
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}
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}
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public override void Write (Stream file, ImageData image)
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{
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throw new System.NotImplementedException ("HizFormat.Write not implemented");
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}
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}
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[Export(typeof(ImageFormat))]
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public class HipFormat : HizFormat
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{
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public override string Tag { get { return "HIP"; } }
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public override string Description { get { return "elf composite image format"; } }
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public override uint Signature { get { return 0x00706968; } } // 'hip'
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public override ImageMetaData ReadMetaData (Stream stream)
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{
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byte[] header = new byte[0x18];
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if (0x18 != stream.Read (header, 0, 0x18))
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return null;
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int index_offset = 0xC;
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uint first_offset = LittleEndian.ToUInt32 (header, index_offset);
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if (0 == first_offset)
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{
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index_offset += 4;
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first_offset = LittleEndian.ToUInt32 (header, index_offset);
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if (0 == first_offset)
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return null;
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}
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index_offset += 4;
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long first_length;
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uint second_offset = LittleEndian.ToUInt32 (header, index_offset);
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if (0 == second_offset)
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first_length = stream.Length - first_offset;
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else if (second_offset < first_offset)
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return null;
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else
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first_length = second_offset - first_offset;
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using (var hiz = new StreamRegion (stream, first_offset, first_length, true))
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{
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var info = base.ReadMetaData (hiz);
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(info as HizMetaData).DataOffset += 0x18;
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return info;
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}
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}
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public override void Write (Stream file, ImageData image)
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{
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throw new System.NotImplementedException ("HipFormat.Write not implemented");
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}
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}
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}
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