Lines Matching refs:filter
17 // (we only need to store enough rows for the biggest filter).
113 // It is common for leading/trailing filter values to be zeros. In such
115 // For a scaling to 1/4th in each dimension using a Lanczos-2 filter on
157 const FilterInstance& filter = fFilters[0];
158 *filterOffset = filter.fOffset;
159 *filterLength = filter.fTrimmedLength;
160 *specifiedFilterlength = filter.fLength;
161 if (filter.fTrimmedLength == 0) {
165 return &fFilterValues[filter.fDataLocation];
179 // convolved row for. If the filter doesn't start at the beginning of the
182 // row for convolution as the first pixel for the first vertical filter.
234 // Generate output rows until we have enough to run the current filter.
262 // Now compute the start of the subset of those rows that the filter needs.