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ImagickDraw::setFillOpacity

(PECL imagick 2.0.0)

ImagickDraw::setFillOpacitySets the opacity to use when drawing using the fill color or fill texture

说明

bool ImagickDraw::setFillOpacity ( float $fillOpacity )
Warning

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。

范例

Example #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(100200200300);

    
$draw->setFillOpacity(0.4);
    
$draw->rectangle(300200400300);

    
$imagick = new \Imagick();
    
$imagick->newImage(500500$backgroundColor);
    
$imagick->setImageFormat("png");
    
$imagick->drawImage($draw);

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

?>

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User Contributed Notes 1 note

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Michael Voek
2 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.
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