ImagickDraw::setFillOpacity

(PECL imagick 2, PECL imagick 3)

ImagickDraw::setFillOpacity — Sets the opacity to use when drawing using the fill color or fill texture

说明

public ImagickDraw::setFillOpacity(float $fillOpacity): bool

警告

本函数还未编写文档，仅有参数列表。

Sets the opacity to use when drawing using the fill color or fill texture. Fully opaque is 1.0.

参数

fillOpacity: the fill opacity

返回值

没有返回值。

示例

示例 #1 ImagickDraw::setFillOpacity()

<?php
function setFillOpacity($strokeColor, $fillColor, $backgroundColor) {

$draw = new \ImagickDraw();

$draw->setStrokeColor($strokeColor);
$draw->setFillColor($fillColor);
$draw->setStrokeOpacity(1);
$draw->setStrokeWidth(2);

$draw->rectangle(100, 200, 200, 300);

$draw->setFillOpacity(0.4);
$draw->rectangle(300, 200, 400, 300);

$imagick = new \Imagick();
$imagick->newImage(500, 500, $backgroundColor);
$imagick->setImageFormat("png");
$imagick->drawImage($draw);

header("Content-Type: image/png");
    echo $imagick->getImageBlob();
}

?>

发现了问题？

了解如何改进此页面 • 提交拉取请求 • 报告一个错误

＋添加备注

用户贡献的备注 1 note

down

Michael Voek ¶

9 years ago

When fill color is changed, this is reset to 1.0 or to defined alpha with #aaxxx color format, where aa is alpha.

＋添加备注

备份地址：http://www.lvesu.com/blog/php/imagickdraw.setfillopacity.php