691         , fSize(size) , fOffset(0), fCurrentOffset(0) { }  in SkBlockMemoryStream()
695         , fSize(size) , fOffset(0), fCurrentOffset(0) { }  in SkBlockMemoryStream()
704             size_t bytesLeftInCurrent = fCurrent->written() - fCurrentOffset;  in read()
707                 memcpy(buffer, fCurrent->start() + fCurrentOffset, bytesFromCurrent);  in read()
711                 fCurrentOffset += bytesFromCurrent;  in read()
717             fCurrentOffset = 0;  in read()
730         fCurrentOffset = 0;  in rewind()
750         if (moveBackAmount <= fCurrentOffset) {  in seek()
751             fCurrentOffset -= moveBackAmount;  in seek()
767         that->fCurrentOffset = this->fCurrentOffset;  in fork()
787     size_t fCurrentOffset;  member in SkBlockMemoryStream