mirror of
https://github.com/crskycode/GARbro.git
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f90e2e851c
(BIZ): moved to Adviz folder. (GIZ, GIZ2, BIZ2, PR1): new PC-98 image formats. (DATA, BGM, SED): MyHarvest resource formats. (HTF): compressed image format. (PAK): Mina resource archives. (GCmp): read palette from external resource. (NCG): Nekotaro image format. (BND, TCZ, TSZ): Ponytail Soft PC-98 formats. (NOR): Sophia resource archive. (SDA, PLA): Squadra D resource archives. (UCA): added checks to avoid false positives.
93 lines
3.8 KiB
C#
93 lines
3.8 KiB
C#
//! \file ImageBIZ2.cs
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//! \date 2018 Feb 11
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//! \brief ADVIZ engine compressed 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.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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// [000225][Sorciere] Karei
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// [011012][Ange] Nyuunyuu
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namespace GameRes.Formats.Adviz
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{
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[Export(typeof(ImageFormat))]
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public class Biz2Format : ImageFormat
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{
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public override string Tag { get { return "BIZ/2"; } }
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public override string Description { get { return "ADVIZ engine compressed image"; } }
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public override uint Signature { get { return 0x325A4942; } } // 'BIZ2'
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public override ImageMetaData ReadMetaData (IBinaryStream file)
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{
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var header = file.ReadHeader (8);
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return new ImageMetaData {
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Width = header.ToUInt16 (4),
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Height = header.ToUInt16 (6),
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BPP = 24,
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};
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}
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public override ImageData Read (IBinaryStream file, ImageMetaData info)
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{
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file.Position = 8;
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using (var lzss = new LzssStream (file.AsStream, LzssMode.Decompress, true))
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using (var input = new BinaryStream (lzss, file.Name))
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{
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int stride = info.iWidth * 3;
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var rgb = new byte[stride * info.Height];
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if (rgb.Length != input.Read (rgb, 0, rgb.Length))
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throw new InvalidFormatException();
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if (input.PeekByte() != -1) // possible alpha channel
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{
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var alpha = input.ReadBytes (rgb.Length);
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if (alpha.Length == rgb.Length)
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{
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int stride32bpp = info.iWidth * 4;
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var rgba = new byte[stride32bpp * info.iHeight];
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int src = 0;
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int dst = 0;
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while (src < rgb.Length)
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{
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rgba[dst++] = rgb[src ];
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rgba[dst++] = rgb[src+1];
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rgba[dst++] = rgb[src+2];
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rgba[dst++] = alpha[src]; // presumably it's grayscale and R/G/B values are equal
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src += 3;
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}
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return ImageData.CreateFlipped (info, PixelFormats.Bgra32, null, rgba, stride32bpp);
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}
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}
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return ImageData.CreateFlipped (info, PixelFormats.Bgr24, null, rgb, stride);
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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 ("BizFormat.Write not implemented");
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}
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}
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}
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