515     int dstWidth = opts.fSubset ? opts.fSubset->width() : dstInfo.width();  in readRows()
579     if (options.fSubset) {  in onGetPixels()
645     if (options.fSubset) {  in initializeSwizzler()
649         SkASSERT(!fSwizzlerSubset.isEmpty() && fSwizzlerSubset.x() <= options.fSubset->x() &&  in initializeSwizzler()
650                 fSwizzlerSubset.width() == options.fSubset->width());  in initializeSwizzler()
651         swizzlerOptions.fSubset = &fSwizzlerSubset;  in initializeSwizzler()
720     if (options.fSubset) {  in onStartScanlineDecode()
721         uint32_t startX = options.fSubset->x();  in onStartScanlineDecode()
722         uint32_t width = options.fSubset->width();  in onStartScanlineDecode()
731         SkASSERT(startX <= (uint32_t) options.fSubset->x());  in onStartScanlineDecode()
732         SkASSERT(width >= (uint32_t) options.fSubset->width());  in onStartScanlineDecode()
733         SkASSERT(startX + width >= (uint32_t) options.fSubset->right());  in onStartScanlineDecode()
746         fSwizzlerSubset.setXYWH(options.fSubset->x() - startX, 0,  in onStartScanlineDecode()
747                 options.fSubset->width(), options.fSubset->height());  in onStartScanlineDecode()
751         if (startX != (uint32_t) options.fSubset->x() ||  in onStartScanlineDecode()
752                 width != (uint32_t) options.fSubset->width()) {  in onStartScanlineDecode()