internal SIContentE32Image(SymbianImageE32 aImage, string aName, uint aSize, long aImageContentOffset)
: base(aImage)
{
iName = aName;
iFileSize = aSize;
iFileSize = aSize;
}
public override SIImage CreateImage(ITracer aTracer, Stream aStream, string aName)
{
SIImage ret = null;
//
bool isSupported = SymbianImageE32.IsImageFile(aStream);
if (isSupported)
{
ret = new SymbianImageE32(aName, (uint)aStream.Length, aStream.Position, new SIStream(aStream), aTracer);
}
//
return(ret);
}
public static SIContent New(SIROFS aImage, string aName, uint aSize, long aPosition, TCheckedUid aUids)
{
SIContent ret = null;
//
bool isImage = SymbianImageE32.IsImageFile((Stream)aImage.Stream, aPosition);
if (!isImage)
{
// We create either a code file (binary) or data file depending on the type of file at the specified location.
ret = new SIContentROFSData(aImage, aName, aSize, aPosition, aUids);
}
else
{
ret = new SIContentROFSCode(aImage, aName, aSize, aPosition);
}
//
return(ret);
}
internal SIContentROFSCode(SIROFS aImage, string aName, uint aSize, long aPosition)
: base(aImage)
{
// We need to give the E32Image access to the underlying ROFS image stream, but we don't
// want to transfer ownership - ownership remains entirely with the SymbianImageROFS object.
SIStream e32ImageStream = new SIStream((Stream)ImageStream, SIStream.TOwnershipType.EOwnedExternally);
try
{
iE32Image = new SymbianImageE32(aName, aSize, aPosition, e32ImageStream, aImage);
if (iE32Image.Count == 0)
{
throw new Exception("Invalid E32Image file");
}
}
catch (Exception e)
{
e32ImageStream.Close();
throw e;
}
}