159     , fOffset(SkTMin(offset, fSize))  in SkFILEStream()
185     fOffset = 0;  in close()
189     if (size > fSize - fOffset) {  in read()
190         size = fSize - fOffset;  in read()
194         bytesRead = sk_qread(fFILE.get(), buffer, size, fOffset);  in read()
199     fOffset += bytesRead;  in read()
204     if (fOffset == fSize) {  in isAtEnd()
207     return fOffset >= sk_fgetsize(fFILE.get());  in isAtEnd()
211     fOffset = fOriginalOffset;  in rewind()
220     SkASSERT(fOffset >= fOriginalOffset);  in getPosition()
221     return fOffset - fOriginalOffset;  in getPosition()
225     fOffset = SkTMin(SkSafeMath::Add(position, fOriginalOffset), fSize);  in seek()
234             fOffset = fOriginalOffset;  in move()
236             fOffset += offset;  in move()
239         fOffset = fSize;  in move()
241         fOffset = SkTMin(SkSafeMath::Add(fOffset, (size_t) offset), fSize);  in move()
244     SkASSERT(fOffset >= fOriginalOffset && fOffset <= fSize);  in move()
249     return new SkFILEStream(fFILE, fSize, fOffset, fOriginalOffset);  in onFork()
268     fOffset = 0;  in SkMemoryStream()
273     fOffset = 0;  in SkMemoryStream()
278     fOffset = 0;  in SkMemoryStream()
285     fOffset = 0;  in SkMemoryStream()
302     fOffset = 0;  in setMemoryOwned()
307     fOffset = 0;  in setMemory()
316     fOffset = 0;  in setData()
321     fOffset += -(int)fOffset & 0x03;  in skipToAlign4()
327     if (size > dataSize - fOffset) {  in read()
328         size = dataSize - fOffset;  in read()
331         memcpy(buffer, fData->bytes() + fOffset, size);  in read()
333     fOffset += size;  in read()
340     const size_t currentOffset = fOffset;  in peek()
343     nonConstThis->fOffset = currentOffset;  in peek()
348     return fOffset == fData->size();  in isAtEnd()
352     fOffset = 0;  in rewind()
361     return fOffset;  in getPosition()
365     fOffset = position > fData->size()  in seek()
372     return this->seek(fOffset + offset);  in move()
377     that->seek(fOffset);  in onFork()
390     return fData->bytes() + fOffset;  in getAtPos()
746         , fSize(size) , fOffset(0), fCurrentOffset(0) { }  in SkBlockMemoryStream()
750         if (fOffset + count > fSize) {  in read()
751             count = fSize - fOffset;  in read()
763                 fOffset += count;  in read()
775         return fOffset == fSize;  in isAtEnd()
781         bytesToPeek = SkTMin(bytesToPeek, fSize - fOffset);  in peek()
801         fOffset = 0;  in rewind()
811         return fOffset;  in getPosition()
816         if (position >= fOffset) {  in seek()
817             size_t skipAmount = position - fOffset;  in seek()
821         size_t moveBackAmount = fOffset - position;  in seek()
824             fOffset -= moveBackAmount;  in seek()
832         return seek(fOffset + offset);  in move()
838         that->fOffset = this->fOffset;  in onFork()
858     size_t fOffset;  member in SkBlockMemoryStream