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IBinaryStream migration.

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This commit is contained in:
morkt
2016-10-16 09:22:53 +04:00
parent d0c1d5da01
commit bb18303eb4
251 changed files with 3277 additions and 3630 deletions
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11
ArcFormats/Palette/ImagePGA.cs
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@@ -36,13 +36,13 @@ namespace GameRes.Formats.Palette
public override uint Signature { get { return 0x50414750; } } // 'PGAP'
public override bool CanWrite { get { return true; } }
public override ImageMetaData ReadMetaData (Stream stream)
public override ImageMetaData ReadMetaData (IBinaryStream stream)
{
using (var png = DeobfuscateStream (stream))
return base.ReadMetaData (png);
}
public override ImageData Read (Stream stream, ImageMetaData info)
public override ImageData Read (IBinaryStream stream, ImageMetaData info)
{
using (var png = DeobfuscateStream (stream))
return base.Read (png, info);
@@ -66,15 +66,16 @@ namespace GameRes.Formats.Palette
public static readonly byte[] PngHeader = { 0x89, 0x50, 0x4E, 0x47, 0xD, 0xA, 0x1A, 0xA };
public static readonly byte[] PngFooter = { 0, 0, 0, 0, 0x49, 0x45, 0x4E, 0x44, 0xAE, 0x42, 0x60, 0x82 };
Stream DeobfuscateStream (Stream stream)
IBinaryStream DeobfuscateStream (IBinaryStream stream)
{
var png_header = new byte[0x10];
stream.Read (png_header, 5, 11);
System.Buffer.BlockCopy (PngHeader, 0, png_header, 0, 8);
for (int i = 0; i < 8; ++i)
png_header[i+8] ^= (byte)"PGAECODE"[i];
var png_body = new StreamRegion (stream, 11, true);
return new PrefixStream (png_header, png_body);
var png_body = new StreamRegion (stream.AsStream, 11, true);
var pre = new PrefixStream (png_header, png_body);
return new BinaryStream (pre, stream.Name);
}
}
}