Function Matrix.initRotate
Initialized matrix to a transformation that rotates by radians
.
Prototype
void initRotate(
double radians
);
Parameters
Name | Description |
radians | angle of rotation, in radians . The direction of
rotation is defined such that positive angles rotate in
the direction from the positive X axis toward the positive
Y axis. With the default axis orientation of cairo,
positive angles rotate in a clockwise direction |
Authors
Johannes Pfau | cairoD |
Andrej Mitrovic | cairoD |
cairo team | cairo |