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 ) : object

Creates 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