private void Load(Stream stream)
{
Contract.Requires(stream != null);
try
{
if (!stream.CanRead)
{
throw new NotSupportedException("Cannot read from the stream.");
}
if (!stream.CanSeek)
{
throw new NotSupportedException("The stream does not support seeking.");
}
var decoders = Decoders.GetAvailableDecoders();
if (decoders.Count > 0)
{
int maxHeaderSize = decoders.Max(x => x.HeaderSize);
if (maxHeaderSize > 0)
{
byte[] header = new byte[maxHeaderSize];
stream.Read(header, 0, maxHeaderSize);
stream.Position = 0;
var decoder = decoders.FirstOrDefault(x => x.IsSupportedFileFormat(header));
if (decoder != null)
{
decoder.Decode(this, stream);
IsLoading = false;
}
}
}
if (IsLoading)
{
IsLoading = false;
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.AppendLine("Image cannot be loaded. Available decoders:");
foreach (IImageDecoder decoder in decoders)
{
stringBuilder.AppendLine("-" + decoder);
}
throw new UnsupportedImageFormatException(stringBuilder.ToString());
}
}
finally
{
stream.Dispose();
}
}
public void Load(Stream stream)
{
//Contract.Requires(stream != null);
try
{
if (!stream.CanRead)
{
throw new NotSupportedException("Cannot read from the stream.");
}
if (!stream.CanSeek)
{
throw new NotSupportedException("The stream does not support seeking.");
}
List <IImageDecoder> decoders = Decoders.GetAvailableDecoders();
if (decoders.Count > 0)
{
int maxHeaderSize = FindMax(decoders);
if (maxHeaderSize > 0)
{
//temp header...
byte[] header = new byte[maxHeaderSize];
stream.Read(header, 0, maxHeaderSize);
stream.Position = 0;
var decoder = FindFirstSupport(decoders, header); //decoders.FirstOrDefault(x => x.IsSupportedFileFormat(header));
if (decoder != null)
{
decoder.Decode(this, stream);
}
}
}
}
finally
{
stream.Dispose();
}
}