modern-pdf-lib

---

modern-pdf-lib / setTextMatrixOp

Function: setTextMatrixOp()

setTextMatrixOp(a, b, c, d, tx, ty): string

Defined in: src/core/operators/text.ts:167

Set the text matrix and text line matrix (Tm).

The six operands form a standard 3 × 3 transformation matrix:

[ a  b  0 ]
[ c  d  0 ]
[ tx ty 1 ]

Parameters

a

number

Horizontal scaling.

b

number

Rotation component (sin).

c

number

Rotation component (−sin).

d

number

Vertical scaling.

tx

number

Horizontal translation.

ty

number

Vertical translation.

Returns

string