private bool parseImageJpeg(ReadStream is)
{
int ch = @is.read();
if (ch != 0xff)
{
return(false);
}
if (@is.read() != 0xd8)
{
return(false);
}
TempStream ts = new TempStream();
WriteStream ws = new WriteStream(ts);
ws.write(0xff);
ws.write(0xd8);
@is.writeToStream(ws);
ws.close();
// XXX: issues with _jpegHead vs ts.openReadAndSaveBuffer()
_jpegHead = ts.getHead();
@is.close();
_is = new ReadStream();
ts.openRead(_is);
parseJPEG();
return(true);
}
/**
* Returns the buffer contents.
*/
public Value getContents()
{
try {
_out.flush();
StringValue bb = _env.createBinaryBuilder(_tempStream.getLength());
for (TempBuffer ptr = _tempStream.getHead();
ptr != null;
ptr = ptr.getNext())
{
bb.append(ptr.getBuffer(), 0, ptr.getLength());
}
return(bb);
} catch (IOException e) {
_env.error(e.ToString(), e);
return(BooleanValue.FALSE);
}
}
/**
* Returns the result as a string.
*/
public Value get_buffer(Env env)
{
TempStream ts = _tempStream;
_tempStream = null;
if (ts == null)
{
return(BooleanValue.FALSE);
}
StringValue result = env.createBinaryBuilder();
for (TempBuffer ptr = ts.getHead();
ptr != null;
ptr = ptr.getNext())
{
result.append(ptr.getBuffer(), 0, ptr.getLength());
}
ts.destroy();
return(result);
}
