PHPWales 2020 - June 3rd to June 4th

CairoMatrix::initRotate

cairo_matrix_init_rotate

(PECL cairo >= 0.1.0)

CairoMatrix::initRotate -- cairo_matrix_init_rotateCreates a new rotated matrix

Описание

Объектно-ориентированный стиль (method):

public static CairoMatrix::initRotate ( float $radians ) : void

Процедурный стиль:

cairo_matrix_init_rotate ( float $radians ) : object

Creates a new matrix to a transformation that rotates by radians provided

Список параметров

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.

Возвращаемые значения

Returns a new CairoMatrix object that can be used with surfaces, contexts, and patterns.

Примеры

Пример #1 Объектно-ориентированный стиль

<?php
/* Create a new Matrix */
$matrix CairoMatrix::initRotate(0.3);
?>

Пример #2 Процедурный стиль

<?php
/* Create a new Matrix */
$matrix cairo_matrix_init_rotate(0.3);
?>

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