501         , fFirstRow(0)  in SkPngNormalDecoder()
519     int                         fFirstRow;  // FIXME: Move to baseclass?  member in SkPngNormalDecoder
536         fFirstRow = 0;  in decodeAllRows()
560         fFirstRow = firstRow;  in setRange()
565         fRowsNeeded = fLastRow - fFirstRow + 1;  in setRange()
571             fRowsNeeded = get_scaled_dimension(fLastRow - fFirstRow + 1, sampleY);  in decode()
587         if (rowNum < fFirstRow) {  in rowCallback()
596         if (!this->swizzler() || this->swizzler()->rowNeeded(rowNum - fFirstRow)) {  in rowCallback()
616         , fFirstRow(0)  in SkPngInterlacedDecoder()
630     int                     fFirstRow;  member in SkPngInterlacedDecoder
645         if (rowNum < fFirstRow || rowNum > fLastRow || fInterlacedComplete) {  in interlacedRowCallback()
650         png_bytep oldRow = fInterlaceBuffer.get() + (rowNum - fFirstRow) * fPng_rowbytes;  in interlacedRowCallback()
656             SkASSERT(fLinesDecoded == rowNum - fFirstRow);  in interlacedRowCallback()
659             SkASSERT(fLinesDecoded == fLastRow - fFirstRow + 1);  in interlacedRowCallback()
681         fFirstRow = 0;  in decodeAllRows()
708         fFirstRow = firstRow;  in setRange()
727         const int rowsNeeded = get_scaled_dimension(fLastRow - fFirstRow + 1, sampleY);  in decode()