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IBinaryStream migration - continued.

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This commit is contained in:
morkt
2016-10-15 12:21:12 +04:00
parent 503b734645
commit d0c1d5da01
39 changed files with 529 additions and 574 deletions
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30
ArcFormats/Abel/ImageGPS.cs
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@@ -52,18 +52,18 @@ namespace GameRes.Formats.Abel
Extensions = new string[] { "gps", "cmp" };
}
public override ImageMetaData ReadMetaData (Stream stream)
public override ImageMetaData ReadMetaData (IBinaryStream stream)
{
var header = new byte[0x29];
if (header.Length != stream.Read (header, 0, header.Length))
var header = stream.ReadHeader (0x29);
if (header.Length != 0x29)
return null;
var gps = new GpsMetaData
{
Width = LittleEndian.ToUInt32 (header, 0x19),
Height = LittleEndian.ToUInt32 (header, 0x1D),
Width = header.ToUInt32 (0x19),
Height = header.ToUInt32 (0x1D),
Compression = header[0x10],
UnpackedSize = LittleEndian.ToInt32 (header, 0x11),
PackedSize = LittleEndian.ToInt32 (header, 0x15),
UnpackedSize = header.ToInt32 (0x11),
PackedSize = header.ToInt32 (0x15),
};
// read BMP header
using (var input = OpenGpsStream (stream, gps.Compression, 0x54))
@@ -76,7 +76,7 @@ namespace GameRes.Formats.Abel
}
}
public override ImageData Read (Stream stream, ImageMetaData info)
public override ImageData Read (IBinaryStream stream, ImageMetaData info)
{
var gps = (GpsMetaData)info;
stream.Position = 0x29;
@@ -89,21 +89,23 @@ namespace GameRes.Formats.Abel
throw new System.NotImplementedException ("GpsFormat.Write not implemented");
}
Stream OpenGpsStream (Stream input, byte compression, int unpacked_size)
IBinaryStream OpenGpsStream (IBinaryStream input, byte compression, int unpacked_size)
{
Stream gps = null;
if (0 == compression)
return new StreamRegion (input, 0x29, true);
gps = new StreamRegion (input.AsStream, 0x29, true);
else if (1 == compression)
return OpenRLEStream (input, unpacked_size);
gps = OpenRLEStream (input.AsStream, unpacked_size);
else if (2 == compression)
return new LzssStream (input, LzssMode.Decompress, true);
gps = new LzssStream (input.AsStream, LzssMode.Decompress, true);
else if (3 == compression)
{
using (var lzss = new LzssStream (input, LzssMode.Decompress, true))
return OpenRLEStream (lzss, unpacked_size);
using (var lzss = new LzssStream (input.AsStream, LzssMode.Decompress, true))
gps = OpenRLEStream (lzss, unpacked_size);
}
else
throw new InvalidFormatException();
return new BinaryStream (gps);
}
Stream OpenRLEStream (Stream input, int output_size)