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implemented DREF references as compound images.
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morkt
parent
b8712afd89
commit
00feb768ea
@ -126,6 +126,7 @@
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<Compile Include="DirectDraw\DxtDecoder.cs" />
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<Compile Include="elf\ArcAi5DAT.cs" />
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<Compile Include="elf\ImageRMT.cs" />
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<Compile Include="Emote\ImageDREF.cs" />
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<Compile Include="Groover\ArcPCG.cs" />
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<Compile Include="HuffmanCompression.cs" />
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<Compile Include="Ikura\ArcTAN.cs" />
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209
ArcFormats/Emote/ImageDREF.cs
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209
ArcFormats/Emote/ImageDREF.cs
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@ -0,0 +1,209 @@
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//! \file ImageDREF.cs
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//! \date 2018 Jan 22
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//! \brief PSB-referenced compound image.
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//
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// Copyright (C) 2018 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.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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// not exactly related to Emote engine, but defined in Emote namespace for convenience
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namespace GameRes.Formats.Emote
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{
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internal class DrefMetaData : ImageMetaData
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{
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public IEnumerable<Tuple<string, string>> Layers;
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}
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[Export(typeof(ImageFormat))]
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public class DrefFormat : ImageFormat
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{
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public override string Tag { get { return "DREF"; } }
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public override string Description { get { return "DPAK-referenced compound image"; } }
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public override uint Signature { get { return 0x0070FEFF; } }
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public DrefFormat ()
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{
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Signatures = new uint[] { 0x0070FEFF, 0x70BFBBEF, 0x3A627370, 0x00730070 };
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}
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static readonly Regex PathRe = new Regex (@"^psb://([^/]+)/(.+)");
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public override ImageMetaData ReadMetaData (IBinaryStream file)
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{
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if (!file.Name.HasExtension (".dref"))
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return null;
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var dir = VFS.GetDirectoryName (file.Name);
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using (var input = new StreamReader (file.AsStream, Encoding.Unicode, true, 1024, true))
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{
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var layers = new List<Tuple<string, string>>();
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string line;
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while ((line = input.ReadLine()) != null)
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{
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var match = PathRe.Match (line);
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if (!match.Success)
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return null;
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var pak_name = match.Groups[1].Value;
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if (!VFS.FileExists (pak_name))
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return null;
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pak_name = VFS.CombinePath (dir, pak_name);
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layers.Add (Tuple.Create (pak_name, match.Groups[2].Value));
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}
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if (0 == layers.Count)
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return null;
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return new DrefMetaData { Layers = layers, BPP = 32 };
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}
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}
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static readonly ResourceInstance<ArchiveFormat> Psb = new ResourceInstance<ArchiveFormat> ("PSB/EMOTE");
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public override ImageData Read (IBinaryStream file, ImageMetaData info)
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{
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var meta = (DrefMetaData)info;
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ArcFile dpak = null;
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try
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{
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int layers_count = meta.Layers.Count();
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WriteableBitmap canvas = null;
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foreach (var path in meta.Layers)
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{
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if (null == dpak || dpak.File.Name != path.Item1)
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{
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if (dpak != null)
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{
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dpak.Dispose();
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dpak = null;
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}
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var view = VFS.OpenView (path.Item1);
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try
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{
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dpak = Psb.Value.TryOpen (view);
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if (null == dpak)
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throw new InvalidFormatException ();
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}
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catch
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{
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view.Dispose();
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throw;
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}
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}
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var entry = dpak.Dir.FirstOrDefault (e => e.Name == path.Item2);
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if (null == entry)
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throw new InvalidFormatException();
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using (var decoder = dpak.OpenImage (entry))
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{
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if (1 == layers_count)
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return decoder.Image;
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if (null == canvas)
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{
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canvas = new WriteableBitmap (decoder.Image.Bitmap);
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meta.Width = decoder.Info.Width;
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meta.Height = decoder.Info.Height;
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meta.OffsetX = decoder.Info.OffsetX;
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meta.OffsetY = decoder.Info.OffsetY;
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}
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else
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{
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BlendLayer (canvas, decoder.Image);
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}
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}
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}
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if (null == canvas)
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throw new InvalidFormatException();
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canvas.Freeze();
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return new ImageData (canvas, meta);
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}
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finally
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{
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if (dpak != null)
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dpak.Dispose();
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}
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}
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void BlendLayer (WriteableBitmap canvas, ImageData layer)
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{
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BitmapSource source = layer.Bitmap;
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if (source.Format.BitsPerPixel != 32)
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source = new FormatConvertedBitmap (source, PixelFormats.Bgra32, null, 0);
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int src_height = layer.Bitmap.PixelHeight;
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int src_width = layer.Bitmap.PixelWidth;
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int src_stride = src_width * 4;
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var pixels = new byte[src_stride * src_height];
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layer.Bitmap.CopyPixels (pixels, src_stride, 0);
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int pixel_size = (canvas.Format.BitsPerPixel + 7) / 8;
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int canvas_stride = canvas.BackBufferStride;
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int dst_row = layer.OffsetY * canvas_stride + layer.OffsetX * pixel_size;
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if (dst_row < 0)
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throw new InvalidFormatException();
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// FIXME
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// check layer dimensions more thoroughly before entering unsafe block
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canvas.Lock();
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unsafe
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{
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int src = 0;
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byte* buffer = (byte*)canvas.BackBuffer;
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for (int y = 0; y < src_height; ++y)
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{
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int dst = dst_row;
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for (int x = 0; x < src_stride; x += 4)
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{
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byte src_alpha = pixels[src+x+3];
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if (0xFF == src_alpha)
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{
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for (int i = 0; i < pixel_size; ++i)
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buffer[dst+i] = pixels[src+x+i];
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}
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else if (src_alpha > 0)
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{
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buffer[dst+0] = (byte)((pixels[src+x+0] * src_alpha
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+ buffer[dst+0] * (0xFF - src_alpha)) / 0xFF);
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buffer[dst+1] = (byte)((pixels[src+x+1] * src_alpha
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+ buffer[dst+1] * (0xFF - src_alpha)) / 0xFF);
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buffer[dst+2] = (byte)((pixels[src+x+2] * src_alpha
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+ buffer[dst+2] * (0xFF - src_alpha)) / 0xFF);
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if (pixel_size > 3)
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buffer[dst+3] = (byte)Math.Max (src_alpha, buffer[dst+3]);
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}
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dst += pixel_size;
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}
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src += src_stride;
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dst_row += canvas_stride;
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}
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}
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canvas.Unlock();
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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 ("DrefFormat.Write not implemented");
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}
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}
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}
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