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(uGOS): implemented tiled images.
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ArcFormats/uGOS/ImageTXT.cs
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144
ArcFormats/uGOS/ImageTXT.cs
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//! \file ImageTXT.cs
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//! \date 2018 Dec 13
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//! \brief μ-GameOperationSystem tiled bitmap.
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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.Text.RegularExpressions;
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using System.Windows;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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namespace GameRes.Formats.uGOS
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{
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internal class TxtMetaData : ImageMetaData
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{
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public IEnumerable<Tile> Tiles;
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}
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internal class Tile
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{
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public string FileName;
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public int X;
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public int Y;
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}
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[Export(typeof(ImageFormat))]
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public class TxtFormat : ImageFormat
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{
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public override string Tag { get { return "TXT/uGOS"; } }
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public override string Description { get { return "μ-GameOperationSystem tiled bitmap"; } }
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public override uint Signature { get { return 0; } }
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public TxtFormat ()
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{
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Extensions = Array.Empty<string>();
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}
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static readonly Regex HeaderRe = new Regex (@"^\s*(\d+),\s*(\d+),\s*(\d+)$");
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static readonly Regex TileRe = new Regex (@"^.+@(\d+),(\d+)\..*$");
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public override ImageMetaData ReadMetaData (IBinaryStream file)
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{
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if (file.Length > 0x1000 || !file.Name.HasExtension (".txt"))
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return null;
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using (var input = new StreamReader (file.AsStream, Encodings.cp932, true))
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{
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var header = input.ReadLine();
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if (string.IsNullOrEmpty (header))
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return null;
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var match = HeaderRe.Match (header);
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if (!match.Success)
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return null;
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uint width = UInt32.Parse (match.Groups[1].Value);
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uint height = UInt32.Parse (match.Groups[2].Value);
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int tile_size = Int32.Parse (match.Groups[3].Value);
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if (tile_size <= 0)
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return null;
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var tiles = new List<Tile>();
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string line;
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while ((line = input.ReadLine()) != null)
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{
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match = TileRe.Match (line);
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if (!match.Success)
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return null;
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int x = Int32.Parse (match.Groups[2].Value);
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int y = Int32.Parse (match.Groups[1].Value);
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var tile = new Tile {
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FileName = match.Groups[0].Value,
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X = x * tile_size,
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Y = y * tile_size,
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};
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tiles.Add (tile);
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}
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if (0 == tiles.Count)
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return null;
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return new TxtMetaData {
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Width = width,
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Height = height,
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BPP = 32,
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Tiles = tiles,
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};
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}
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}
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static readonly ResourceInstance<ImageFormat> DetFormat = new ResourceInstance<ImageFormat> ("BMP/uGOS");
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public override ImageData Read (IBinaryStream file, ImageMetaData info)
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{
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var meta = (TxtMetaData)info;
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var bitmap = new WriteableBitmap (meta.iWidth, meta.iHeight, ImageData.DefaultDpiX,
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ImageData.DefaultDpiY, PixelFormats.Bgra32, null);
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var dir = VFS.GetDirectoryName (meta.FileName);
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foreach (var tile in meta.Tiles)
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{
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var filename = VFS.CombinePath (dir, tile.FileName);
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using (var input = VFS.OpenBinaryStream (filename))
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{
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var tile_info = DetFormat.Value.ReadMetaData (input) as DetBmpMetaData;
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if (null == tile_info)
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throw new InvalidFormatException ("Invalid uGOS tile bitmap.");
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if (tile.X >= meta.iWidth || tile.Y >= meta.iHeight)
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continue;
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var reader = new DetBmpFormat.Reader (input, tile_info);
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reader.Unpack();
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int width = Math.Min (tile_info.iWidth, meta.iWidth - tile.X);
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int height = Math.Min (tile_info.iHeight, meta.iHeight - tile.Y);
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var src_rect = new Int32Rect (0, 0, width, height);
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bitmap.WritePixels (src_rect, reader.Data, reader.Stride, tile.X, tile.Y);
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}
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}
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var flipped = new TransformedBitmap (bitmap, new ScaleTransform { ScaleY = -1 });
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flipped.Freeze();
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return new ImageData (flipped, meta);
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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 ("TxtFormat.Write not implemented");
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}
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}
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}
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