22 #include "nefcfaiterator.hpp" 27 NefCfaIterator::NefCfaIterator(
const NefDiffIterator& diffs,
size_t rows,
28 size_t columns,
const uint16_t init[2][2])
29 : m_diffs(diffs), m_rows(rows),
30 m_columns(columns), m_row(0),
33 for (
int i = 0; i < 2; ++i) {
34 for (
int j = 0; j < 2; ++j) {
35 m_vpred[i][j] = init[i][j];
41 uint16_t NefCfaIterator::get()
43 int diff = m_diffs.get();
46 ret = m_vpred[m_row & 1][m_column] + diff;
47 m_vpred[m_row & 1][m_column] = ret;
50 ret = m_hpred[m_column & 1] + diff;
52 m_hpred[m_column & 1] = ret;
55 if (m_column == m_columns) {
CIFF is the container for CRW files. It is an attempt from Canon to make this a standard. I guess it failed.