void OptionsList::Reset()
{
/* Import options. */
FOREACHM( RString, OptionRowHandler *, m_Rows, hand )
{
RString sLineName = hand->first;
ImportRow( sLineName );
}
// import new contributions until one row is ready to be output, or all input
// is consumed.
static int Import(const uint8_t* src, int src_stride,
int new_lines, WebPRescaler* const wrk) {
int num_lines_in = 0;
while (num_lines_in < new_lines && wrk->y_accum > 0) {
ImportRow(src, wrk);
src += src_stride;
++num_lines_in;
wrk->y_accum -= wrk->y_sub;
}
return num_lines_in;
}
static int Rescale(const uint8_t* src, int src_stride,
int new_lines, WebPRescaler* const wrk) {
int num_lines_out = 0;
while (new_lines-- > 0) { // import new contribution of one source row.
ImportRow(src, wrk);
src += src_stride;
wrk->y_accum -= wrk->y_sub;
while (wrk->y_accum <= 0) { // emit output row(s)
ExportRow(wrk);
++num_lines_out;
}
}
return num_lines_out;
}
