- PHP 手册
- 函数参考
- 图像生成和处理
- Cairo
- CairoMatrix
CairoMatrix::initIdentity
cairo_matrix_init_identity
(PECL cairo >= 0.1.0)
CairoMatrix::initIdentity -- cairo_matrix_init_identity — Creates a new identity matrix
说明
面向对象风格 (method):
public static CairoMatrix::initIdentity ( void ) : void过程化风格:
cairo_matrix_init_identity ( void ) : objectCreates a new matrix that is an identity transformation. An identity transformation means the source data is copied into the destination data without change
参数
此函数没有参数。
返回值
Returns a new CairoMatrix object that can be used with surfaces, contexts, and patterns.
范例
Example #1 面向对象风格
<?php
/* Create a new Matrix */
$matrix = CairoMatrix::initIdentity();
?>
Example #2 过程化风格
<?php
/* Create a new Matrix */
$matrix = cairo_matrix_init_identity();
?>
参见
- CairoMatrix::__construct() - Creates a new CairoMatrix object
- CairoMatrix::initRotate() - Creates a new rotated matrix
- CairoMatrix::initScale() - Creates a new scaling matrix
- CairoMatrix::initTranslate() - Creates a new translation matrix
User Contributed Notes
There are no user contributed notes for this page.官方地址：https://www.php.net/manual/en/cairomatrix.initidentity.php