Imagick::queryFontMetrics

(PECL imagick 2, PECL imagick 3)

Imagick::queryFontMetrics — Returns an array representing the font metrics

说明

public Imagick::queryFontMetrics(ImagickDraw $properties, string $text, bool $multiline = ?): array

Returns a multi-dimensional array representing the font metrics.

参数

properties: ImagickDraw object containing font properties
text: The text
multiline: Multiline parameter. If left empty it is autodetected

返回值

Returns a multi-dimensional array representing the font metrics.

错误／异常

错误时抛出 ImagickException。

示例

示例 #1 Using Imagick::queryFontMetrics():

Query the metrics for the text and dump the results on the screen.

<?php
/* Create a new Imagick object */
$im = new Imagick();

/* Create an ImagickDraw object */
$draw = new ImagickDraw();

/* Set the font */
$draw->setFont('/path/to/font.ttf');

/* Dump the font metrics, autodetect multiline */
var_dump($im->queryFontMetrics($draw, "Hello World!"));
?>