# ImagickDraw::setFontSize

(PECL imagick 2, PECL imagick 3)

ImagickDraw::setFontSize — Sets the font pointsize to use when annotating with text

### 说明

public ImagickDraw::setFontSize(float `$point_size`): bool
警告

本函数还未编写文档，仅有参数列表。

Sets the font pointsize to use when annotating with text.

### 参数

`point_size`

  the point size

### 返回值

没有返回值。

### 示例

示例 #1 ImagickDraw::setFontSize() example

`<?php
function setFontSize($fillColor, $strokeColor, $backgroundColor) {
$draw = new \ImagickDraw();
$draw->setStrokeOpacity(1);
$draw->setStrokeColor($strokeColor);
$draw->setFillColor($fillColor);
$draw->setStrokeWidth(2);
$draw->setFont("../fonts/Arial.ttf");
$sizes = [24, 36, 48, 60, 72];
foreach ($sizes as $size) {
$draw->setFontSize($size);
$draw->annotation(50, ($size * $size / 16), "Lorem Ipsum!");
}
$imagick = new \Imagick();
$imagick->newImage(500, 500, $backgroundColor);
$imagick->setImageFormat("png");
$imagick->drawImage($draw);
header("Content-Type: image/png");
echo $imagick->getImageBlob();
}
?>`
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