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allow request header overrides

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This commit is contained in:
Luke Pulverenti
2013-09-17 22:43:34 -04:00
parent 06c611dd50
commit 60780399c5
34 changed files with 213 additions and 140 deletions
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24
MediaBrowser.Controller/Drawing/ImageHeader.cs
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@@ -18,19 +18,22 @@ namespace MediaBrowser.Controller.Drawing
/// <summary>
/// The error message
/// </summary>
const string errorMessage = "Could not recognize image format.";
const string ErrorMessage = "Could not recognize image format.";
/// <summary>
/// The image format decoders
/// </summary>
private static readonly Dictionary<byte[], Func<BinaryReader, Size>> imageFormatDecoders = new Dictionary<byte[], Func<BinaryReader, Size>>
private static readonly KeyValuePair<byte[], Func<BinaryReader, Size>>[] ImageFormatDecoders = new Dictionary<byte[], Func<BinaryReader, Size>>
{
{ new byte[] { 0x42, 0x4D }, DecodeBitmap },
{ new byte[] { 0x47, 0x49, 0x46, 0x38, 0x37, 0x61 }, DecodeGif },
{ new byte[] { 0x47, 0x49, 0x46, 0x38, 0x39, 0x61 }, DecodeGif },
{ new byte[] { 0x89, 0x50, 0x4E, 0x47, 0x0D, 0x0A, 0x1A, 0x0A }, DecodePng },
{ new byte[] { 0xff, 0xd8 }, DecodeJfif },
};
{ new byte[] { 0xff, 0xd8 }, DecodeJfif }
}.ToArray();
private static readonly int MaxMagicBytesLength = ImageFormatDecoders.Select(i => i.Key.Length).OrderByDescending(i => i).First();
/// <summary>
/// Gets the dimensions of an image.
@@ -81,12 +84,13 @@ namespace MediaBrowser.Controller.Drawing
/// <exception cref="ArgumentException">The image was of an unrecognized format.</exception>
private static Size GetDimensions(BinaryReader binaryReader)
{
int maxMagicBytesLength = imageFormatDecoders.Keys.OrderByDescending(x => x.Length).First().Length;
var magicBytes = new byte[maxMagicBytesLength];
for (int i = 0; i < maxMagicBytesLength; i += 1)
var magicBytes = new byte[MaxMagicBytesLength];
for (var i = 0; i < MaxMagicBytesLength; i += 1)
{
magicBytes[i] = binaryReader.ReadByte();
foreach (var kvPair in imageFormatDecoders)
foreach (var kvPair in ImageFormatDecoders)
{
if (StartsWith(magicBytes, kvPair.Key))
{
@@ -95,7 +99,7 @@ namespace MediaBrowser.Controller.Drawing
}
}
throw new ArgumentException(errorMessage, "binaryReader");
throw new ArgumentException(ErrorMessage, "binaryReader");
}
/// <summary>
@@ -217,7 +221,7 @@ namespace MediaBrowser.Controller.Drawing
}
}
throw new ArgumentException(errorMessage);
throw new ArgumentException(ErrorMessage);
}
}
}