CairoMatrix::initRotate
cairo_matrix_init_rotate
(PECL cairo >= 0.1.0)
CairoMatrix::initRotate -- cairo_matrix_init_rotate — Creates a new rotated matrix
Beschreibung
Objektorientierter Stil (method):
public static CairoMatrix::initRotate
( float
$radians
) : voidProzeduraler Stil:
cairo_matrix_init_rotate
( float
$radians
) : objectCreates a new matrix to a transformation that rotates by radians provided
Parameter-Liste
-
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.
Rückgabewerte
Returns a new CairoMatrix object that can be used with surfaces, contexts, and patterns.
Beispiele
Beispiel #1 Objektorientierter Stil
<?php
/* Create a new Matrix */
$matrix = CairoMatrix::initRotate(0.3);
?>
Beispiel #2 Prozeduraler Stil
<?php
/* Create a new Matrix */
$matrix = cairo_matrix_init_rotate(0.3);
?>
Siehe auch
- CairoMatrix::__construct() - Creates a new CairoMatrix object
- CairoMatrix::initIdentity() - Creates a new identity matrix
- CairoMatrix::initScale() - Creates a new scaling matrix
- CairoMatrix::initTranslate() - Creates a new translation matrix
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