Function Context.rotate
Modifies the current transformation matrix (CTM) by rotating
the user-space axes by angle radians. The rotation of the
axes takes places after any existing transformation of user
space. The rotation direction for positive angles is from
the positive X axis toward the positive Y axis.
Prototype
void rotate(
double angle
);
Parameters
| Name | Description |
|---|
| angle | angle (in radians) by which the user-space axes will be rotated |
Authors
| Johannes Pfau | cairoD |
| Andrej Mitrovic | cairoD |
| cairo team | cairo |