createCellData method
Implementation
CellData createCellData(int index) {
final cellData = CellData.empty();
final offset = index * _cellSize;
_data[offset + _cellForeground] = cellData.foreground;
_data[offset + _cellBackground] = cellData.background;
_data[offset + _cellAttributes] = cellData.flags;
_data[offset + _cellContent] = cellData.content;
return cellData;
}