ImagickDraw::setFontSize

(PECL imagick 2, PECL imagick 3)

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

说明

public function 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();
}

?>