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(GPS): alterantive header.
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parent
ae7db58c11
commit
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@ -35,6 +35,7 @@ namespace GameRes.Formats.Abel
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internal class GpsMetaData : ImageMetaData
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{
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public byte Compression;
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public int HeaderSize;
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public int PackedSize;
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public int UnpackedSize;
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}
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@ -55,16 +56,24 @@ namespace GameRes.Formats.Abel
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public override ImageMetaData ReadMetaData (IBinaryStream file)
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{
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var header = file.ReadHeader (0x29);
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if (header.Length != 0x29)
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return null;
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var gps = new GpsMetaData
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var gps = new GpsMetaData();
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if (header.ToUInt32 (4) == 0xCCCCCCCC)
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{
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Width = header.ToUInt32 (0x19),
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Height = header.ToUInt32 (0x1D),
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Compression = header[0x10],
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UnpackedSize = header.ToInt32 (0x11),
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PackedSize = header.ToInt32 (0x15),
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};
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gps.HeaderSize = 0x19;
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gps.Compression = 2;
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gps.UnpackedSize = header.ToInt32 (0x9);
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gps.PackedSize = header.ToInt32 (0xD);
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}
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else
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{
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gps.HeaderSize = 0x29;
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gps.Compression = header[0x10];
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gps.UnpackedSize = header.ToInt32 (0x11);
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gps.PackedSize = header.ToInt32 (0x15);
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gps.Width = header.ToUInt32 (0x19);
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gps.Height = header.ToUInt32 (0x1D);
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}
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file.Position = gps.HeaderSize;
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// read BMP header
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using (var stream = OpenGpsStream (file, gps.Compression, 0x54))
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using (var input = BinaryStream.FromStream (stream, file.Name))
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@ -73,6 +82,8 @@ namespace GameRes.Formats.Abel
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if (null == bmp_info)
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return null;
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gps.BPP = bmp_info.BPP;
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gps.Width = bmp_info.Width;
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gps.Height = bmp_info.Height;
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return gps;
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}
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}
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@ -80,7 +91,7 @@ namespace GameRes.Formats.Abel
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public override ImageData Read (IBinaryStream file, ImageMetaData info)
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{
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var gps = (GpsMetaData)info;
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file.Position = 0x29;
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file.Position = gps.HeaderSize;
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using (var stream = OpenGpsStream (file, gps.Compression, gps.UnpackedSize))
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using (var input = BinaryStream.FromStream (stream, file.Name))
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return Bmp.Read (input, info);
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