class CellSize { CellSize({ required this.charWidth, required this.charHeight, required this.letterSpacing, required this.lineSpacing, required this.cellWidth, required this.cellHeight, }); final double charWidth; final double charHeight; final double cellWidth; final double cellHeight; final double letterSpacing; final double lineSpacing; @override String toString() { final data = { 'charWidth': charWidth, 'charHeight': charHeight, 'letterSpacing': letterSpacing, 'lineSpacing': lineSpacing, 'cellWidth': cellWidth, 'cellHeight': cellHeight, }; return 'CellSize$data'; } }