39     size_t                    fBufferedSoFar;  member in FrontBufferedStream
78     , fBufferedSoFar(0)  in FrontBufferedStream()
83     if (fOffset < fBufferedSoFar) {  in isAtEnd()
102     SkASSERT(fOffset < fBufferedSoFar);  in readFromBuffer()
106     const size_t bytesToCopy = SkTMin(size, fBufferedSoFar - fOffset);  in readFromBuffer()
114     SkASSERT(fOffset <= fBufferedSoFar);  in readFromBuffer()
121     SkASSERT(fOffset >= fBufferedSoFar);  in bufferAndWriteTo()
125     const size_t bytesToBuffer = SkTMin(size, fBufferSize - fBufferedSoFar);  in bufferAndWriteTo()
129     fBufferedSoFar += buffered;  in bufferAndWriteTo()
130     fOffset = fBufferedSoFar;  in bufferAndWriteTo()
131     SkASSERT(fBufferedSoFar <= fBufferSize);  in bufferAndWriteTo()
144     SkASSERT(fBufferSize == fBufferedSoFar && fOffset >= fBufferSize);  in readDirectlyFromStream()
181     if (fOffset < fBufferedSoFar) {  in read()
195     if (size > 0 && fBufferedSoFar < fBufferSize && !fStream->isAtEnd()) {  in read()