virtual PRUint8*    GetBits()           { printf("return Bits 0x%x\n", mImageBits);return mImageBits; }
virtual PRUint8*    GetBits()           { return mImageBits; }
  virtual PRUint8*    GetBits()           { printf("return Bits 0x%x\n", mImageBits);return mImageBits; }