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Dokumen ini menggunakan Manual laman web PHP Cina Lepaskan
(PECL cairo >= 0.1.0)
CairoMatrix::initRotate -- cairo_matrix_init_rotate — Creates a new rotated matrix
面向对象风格 (method):
$radians
)过程化风格:
$radians
)Creats a new matrix to a transformation that rotates by radians provided
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.
Returns a new CairoMatrix object that can be used with surfaces, contexts, and patterns.
Example #1 面向对象风格
<?php
$matrix = CairoMatrix :: initRotate ( 0.3 );
?>
Example #2 过程化风格
<?php
$matrix = cairo_matrix_init_rotate ( 0.3 );
?>