mirror of
https://github.com/crskycode/GARbro.git
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233 lines
8.9 KiB
C#
233 lines
8.9 KiB
C#
//! \file ArcCG.cs
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//! \date Tue Feb 16 02:48:55 2016
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//! \brief Software House Parsley CG archive.
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//
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// Copyright (C) 2016-2017 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.Collections.Generic;
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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 System.Windows.Media.Imaging;
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using GameRes.Compression;
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namespace GameRes.Formats.Parsley
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{
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[Export(typeof(ArchiveFormat))]
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public class CgOpener : ArchiveFormat
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{
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public override string Tag { get { return "CG/PARSLEY/2"; } }
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public override string Description { get { return "Software House Parsley CG archive"; } }
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public override uint Signature { get { return 0; } }
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public override bool IsHierarchic { get { return false; } }
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public override bool CanWrite { get { return false; } }
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public CgOpener ()
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{
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Extensions = new string[] { "", "dat" };
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Signatures = new uint[] { 0, 0x656E6179 };
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}
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public override ArcFile TryOpen (ArcView file)
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{
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int count = file.View.ReadInt32 (8);
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if (!IsSaneCount (count))
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return null;
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int first_offset = file.View.ReadInt32 (0x2C);
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if (12 + count*0x28 != first_offset)
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return null;
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uint index_offset = 0xC;
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var dir = new List<Entry> (count);
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for (int i = 0; i < count; ++i)
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{
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var name = file.View.ReadString (index_offset, 0x20);
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if (string.IsNullOrWhiteSpace (name))
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return null;
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var entry = FormatCatalog.Instance.Create<Entry> (name);
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entry.Offset = file.View.ReadUInt32 (index_offset+0x20);
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entry.Size = file.View.ReadUInt32 (index_offset+0x24);
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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dir.Add (entry);
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index_offset += 0x28;
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}
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return new ArcFile (file, this, dir);
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}
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}
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[Export(typeof(ArchiveFormat))]
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public class CgV1Opener : ArchiveFormat
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{
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public override string Tag { get { return "CG/PARSLEY/1"; } }
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public override string Description { get { return "Software House Parsley CG archive"; } }
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public override uint Signature { get { return 0; } }
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public override bool IsHierarchic { get { return false; } }
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public override bool CanWrite { get { return false; } }
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public CgV1Opener ()
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{
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Extensions = new string[] { "" };
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}
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public override ArcFile TryOpen (ArcView file)
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{
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int count = file.View.ReadInt32 (0);
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if (!IsSaneCount (count))
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return null;
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var arc_name = Path.GetFileName (file.Name);
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bool is_ucg = arc_name.StartsWith ("UCG", StringComparison.OrdinalIgnoreCase);
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bool is_cg = is_ucg || arc_name == "CG";
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using (var index = file.CreateStream())
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{
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index.Position = 4;
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var dir = new List<Entry> (count);
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for (int i = 0; i < count; ++i)
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{
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var name = index.ReadCString();
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if (string.IsNullOrWhiteSpace (name) || name.Length > 0x100)
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return null;
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var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
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entry.Offset = index.ReadUInt32();
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if (entry.Offset >= file.MaxOffset)
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return null;
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entry.IsPacked = is_ucg;
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dir.Add (entry);
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}
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long index_end = index.Position;
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for (int i = 0; i < count; ++i)
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{
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var entry = dir[i];
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if (entry.Offset < index_end)
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return null;
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long next_offset = i+1 < count ? dir[i+1].Offset : file.MaxOffset;
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entry.Size = (uint)(next_offset - entry.Offset);
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if (is_cg)
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entry.Type = "image";
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}
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if (is_cg && !is_ucg)
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{
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var palette_entry = dir.Find (e => e.Name.Equals ("Palette", StringComparison.OrdinalIgnoreCase));
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if (palette_entry != null && 1 == file.View.ReadByte (palette_entry.Offset+8))
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{
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var palette = ImageFormat.ReadPalette (file, palette_entry.Offset+9, 0x100, PaletteFormat.Rgb);
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return new CgArchive (file, this, dir, palette);
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}
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}
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return new ArcFile (file, this, dir);
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}
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}
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public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
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{
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int type = arc.File.View.ReadByte (entry.Offset+8);
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if (type > 1)
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return base.OpenImage (arc, entry);
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var pent = entry as PackedEntry;
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bool packed = pent != null && pent.IsPacked;
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var info = new CgMetaData {
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Width = arc.File.View.ReadUInt32 (entry.Offset),
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Height = arc.File.View.ReadUInt32 (entry.Offset+4),
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BPP = packed ? 16 : 8,
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HasPalette = type == 1,
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};
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var cg_arc = arc as CgArchive;
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if (cg_arc != null)
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info.DefaultPalette = cg_arc.DefaultPalette;
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var input = arc.File.CreateStream (entry.Offset, entry.Size);
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if (packed)
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return new UCgDecoder (input, info);
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else
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return new CgDecoder (input, info);
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}
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}
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internal class CgMetaData : ImageMetaData
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{
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public bool HasPalette;
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public BitmapPalette DefaultPalette;
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}
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internal class CgArchive : ArcFile
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{
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public readonly BitmapPalette DefaultPalette;
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public CgArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, BitmapPalette palette)
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: base (arc, impl, dir)
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{
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DefaultPalette = palette;
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}
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}
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internal class CgDecoder : BinaryImageDecoder
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{
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bool m_has_palette;
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BitmapPalette m_palette;
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public CgDecoder (IBinaryStream input, CgMetaData info) : base (input, info)
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{
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m_has_palette = info.HasPalette;
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m_palette = info.DefaultPalette;
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}
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protected override ImageData GetImageData ()
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{
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m_input.Position = 9;
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if (m_has_palette)
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ReadPalette();
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var pixels = m_input.ReadBytes ((int)(Info.Width * Info.Height));
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if (m_palette != null)
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return ImageData.Create (Info, PixelFormats.Indexed8, m_palette, pixels);
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else
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return ImageData.Create (Info, PixelFormats.Gray8, null, pixels);
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}
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void ReadPalette ()
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{
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m_palette = ImageFormat.ReadPalette (m_input.AsStream, 0x100, PaletteFormat.Rgb);
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m_input.Position = 0x20909;
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}
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}
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internal class UCgDecoder : BinaryImageDecoder
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{
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public UCgDecoder (IBinaryStream input, CgMetaData info) : base (input, info)
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{
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}
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protected override ImageData GetImageData ()
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{
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m_input.Position = 0x10;
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using (var lz = new LzssStream (m_input.AsStream, LzssMode.Decompress, true))
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{
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int stride = (int)Info.Width * 2;
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var pixels = new byte[stride * (int)Info.Height];
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if (pixels.Length != lz.Read (pixels, 0, pixels.Length))
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throw new InvalidFormatException();
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return ImageData.Create (Info, PixelFormats.Bgr565, null, pixels, stride);
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}
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}
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}
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}
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