protected override void init(Stream stream, bool flip, Loader.LoadedCallbackMethod loadedCallback)
{
try
{
ImageType = ImageTypes.BMPC;
ImageFormat = ImageFormats.BMPC;
SurfaceFormat = SurfaceFormats.RGBAx8;
using (var reader = new BinaryReader(stream))
{
// File Type
int type = reader.ReadInt32();
if (type != Streams.MakeFourCC('b', 'm', 'p', 'c')) throw new Exception("Not a .bmpc file");
// Version
float version = reader.ReadSingle();
if (version != 1.0f) throw new Exception("Unsuported .bmpc version");
// Meta Data
Size = new Size2(reader.ReadInt32(), reader.ReadInt32());
bool zipCompressed = reader.ReadBoolean();
// Data
using (var decompressedDataStream = new MemoryStream())
{
int dataLength = reader.ReadInt32();
int dataRead = 0;
do
{
int read = 1024;
if ((dataRead + read) > dataLength) read -= (int)((dataRead + read) - dataLength);
var data = reader.ReadBytes(read);
decompressedDataStream.Write(data, 0, data.Length);
dataRead += read;
} while (dataRead < dataLength);
decompressedDataStream.Position = 0;
#if NaCl || SILVERLIGHT
using (var zip = new GZipInputStream(decompressedDataStream))
using (var dataStream = new MemoryStream())
{
var buffer = new byte[4096];
int read = 0;
do
{
read = zip.Read(buffer, 0, buffer.Length);
dataStream.Write(buffer, 0, buffer.Length);
} while (read > 0);
Mipmaps = new Mipmap[1];
Mipmaps[0] = new Mipmap(dataStream.GetBuffer(), Size.Width, Size.Height, 1, 4);
if (flip) Mipmaps[0].FlipVertical();
}
#else
using (var decompressedStream = new GZipStream(decompressedDataStream, CompressionMode.Decompress))
using (var dataStream = new MemoryStream())
{
decompressedStream.CopyTo(dataStream);
Mipmaps = new Mipmap[1];
Mipmaps[0] = new Mipmap(dataStream.ToArray(), Size.Width, Size.Height, 1, 4);
if (flip) Mipmaps[0].FlipVertical();
}
#endif
}
}
}
catch (Exception e)
{
FailedToLoad = true;
Loader.AddLoadableException(e);
if (loadedCallback != null) loadedCallback(this, false);
return;
}
Loaded = true;
Loader.AddLoadable(this);
if (loadedCallback != null) loadedCallback(this, true);
}
