PHPerKaigi 2024

ImagickDraw::setFillAlpha

(PECL imagick 2, PECL imagick 3)

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

说明

public ImagickDraw::setFillAlpha(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

fill alpha

返回值

没有返回值。

示例

示例 #1 ImagickDraw::setFillAlpha() example

<?php
function setFillAlpha($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->setFillAlpha(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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User Contributed Notes 1 note

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Mark van der Velden
16 years ago
setFillAlpha is deprecated use the replacement: setFillOpacity
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