# 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 `$opacity`): 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

`opacity`

  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();
}
?>`
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