PdfMatrix.row constructor
Reads an [a b c d e f] row (as stored in a /Matrix array). Missing or
short input falls back to identity; a diagonal defaults to 1, an
off-diagonal or translation to 0.
Implementation
factory PdfMatrix.row(List<double>? values) {
if (values == null || values.length < 6) return identity;
return PdfMatrix(
values[0],
values[1],
values[2],
values[3],
values[4],
values[5],
);
}