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reorganized project directory structure.
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morkt
230
ArcFormats/Will/ImageWIP.cs
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230
ArcFormats/Will/ImageWIP.cs
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//! \file ImageWIP.cs
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//! \date Fri Oct 31 14:52:49 2014
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//! \brief Will image format implementation.
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//
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// Copyright (C) 2014 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.IO;
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using System.Text;
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using System.Diagnostics;
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using System.ComponentModel.Composition;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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namespace GameRes.Formats.Will
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{
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internal class WipMetaData : ImageMetaData
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{
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public int FrameCount;
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public uint FrameSize;
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}
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[Export(typeof(ImageFormat))]
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public class WipFormat : ImageFormat
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{
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public override string Tag { get { return "WIP"; } }
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public override string Description { get { return "Will Co. image format"; } }
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public override uint Signature { get { return 0x46504957u; } } // 'WIPF'
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public WipFormat ()
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{
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Extensions = new string[] { "wip", "msk", "mos" };
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}
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public override ImageMetaData ReadMetaData (Stream stream)
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{
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using (var file = new BinaryReader (stream, Encoding.ASCII, true))
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{
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if (Signature != file.ReadUInt32())
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return null;
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int frames = file.ReadUInt16();
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int bpp = file.ReadUInt16();
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uint width = file.ReadUInt32();
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uint height = file.ReadUInt32();
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int x = file.ReadInt32();
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int y = file.ReadInt32();
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file.ReadUInt32(); // 0
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uint frame_size = file.ReadUInt32();
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if (24 != bpp && 8 != bpp)
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{
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Trace.WriteLine ("unsupported bpp", "WipFormat");
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return null;
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}
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if (frames > 1)
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Trace.WriteLine ("Extra frames ignored", "WipFormat");
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return new WipMetaData
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{
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Width = width,
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Height = height,
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OffsetX = x,
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OffsetY = y,
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BPP = bpp,
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FrameCount = frames,
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FrameSize = frame_size,
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};
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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 NotImplementedException ("WipFormat.Write not implemented");
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}
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public override ImageData Read (Stream file, ImageMetaData info)
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{
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var meta = info as WipMetaData;
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if (null == meta)
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throw new ArgumentException ("WipFormat.Read should be supplied with WipMetaData", "info");
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file.Position = 8 + 24 * meta.FrameCount;
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Color[] palette = null;
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if (8 == meta.BPP)
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{
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var palette_data = new byte[0x400];
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if (palette_data.Length != file.Read (palette_data, 0, palette_data.Length))
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throw new InvalidFormatException();
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palette = new Color[0x100];
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for (int i = 0; i < 0x100; ++i)
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{
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palette[i] = Color.FromRgb (palette_data[i*4], palette_data[i*4+1], palette_data[i*4+2]);
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}
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}
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using (var reader = new Reader (file, meta))
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{
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reader.Unpack();
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BitmapSource bitmap;
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if (24 == meta.BPP)
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{
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byte[] raw = reader.Data;
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int size = (int)meta.Width * (int)meta.Height;
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byte[] pixels = new byte[size*3];
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for (int i = 0; i < size; ++i)
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{
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pixels[i*3] = raw[i];
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pixels[i*3+1] = raw[i+size];
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pixels[i*3+2] = raw[i+size*2];
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}
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bitmap = BitmapSource.Create ((int)meta.Width, (int)meta.Height, 96, 96,
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PixelFormats.Bgr24, null, pixels, (int)meta.Width*3);
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}
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else if (8 == meta.BPP)
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{
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byte[] pixels = reader.Data;
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bitmap = BitmapSource.Create ((int)meta.Width, (int)meta.Height, 96, 96,
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PixelFormats.Indexed8, new BitmapPalette (palette), pixels, (int)meta.Width);
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}
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else
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throw new InvalidFormatException();
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bitmap.Freeze();
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return new ImageData (bitmap, meta);
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}
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}
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internal class Reader : IDisposable
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{
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private BinaryReader m_input;
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private uint m_length;
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private byte[] m_data;
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public byte[] Data { get { return m_data; } }
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public Reader (Stream file, WipMetaData info)
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{
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m_length = info.FrameSize;
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// int stride = (int)info.Width*((info.BPP+7)/8);
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int stride = (int)info.Width*4;
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m_data = new byte[stride * (int)info.Height];
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m_input = new BinaryReader (file, Encoding.ASCII, true);
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}
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private byte[] m_window = new byte[0x1000];
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public void Unpack ()
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{
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int current = 0;
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int window_index = 1;
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int control = 0;
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byte input = 0;
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for (uint length = m_length; length > 0; )
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{
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control >>= 1;
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if (0 == (control & 0x100))
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{
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input = m_input.ReadByte();
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--length;
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control = input | 0xff00;
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}
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if (0 != (control & 1))
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{
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if (length < 1)
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throw new InvalidFormatException();
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input = m_input.ReadByte();
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--length;
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m_data[current++] = input;
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m_window[window_index++] = input;
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window_index &= 0xfff;
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}
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else
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{
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if (length < 2)
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throw new InvalidFormatException();
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int di = m_input.ReadByte();
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input = m_input.ReadByte();
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length -= 2;
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int offset = ((di << 8) | input) >> 4;
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int count = (input & 0xf) + 2;
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for (int i = 0; i < count; ++i)
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{
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int src = (i + offset) & 0xfff;
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input = m_window[src];
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m_data[current++] = input;
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m_window[window_index++] = input;
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window_index &= 0xfff;
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}
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}
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}
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}
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#region IDisposable Members
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bool disposed = false;
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public void Dispose ()
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{
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Dispose (true);
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GC.SuppressFinalize (this);
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}
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protected virtual void Dispose (bool disposing)
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{
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if (!disposed)
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{
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if (disposing)
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m_input.Dispose();
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m_input = null;
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m_data = null;
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disposed = true;
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}
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}
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#endregion
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}
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}
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}
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