PHP 8.1.15 Released!

ImagickDraw::setStrokeAlpha

(PECL imagick 2, PECL imagick 3)

ImagickDraw::setStrokeAlphaSpecifies the opacity of stroked object outlines

Description

public ImagickDraw::setStrokeAlpha(float $opacity): bool
Warning

This function is currently not documented; only its argument list is available.

Specifies the opacity of stroked object outlines.

Parameters

opacity

opacity

Return Values

No value is returned.

Examples

Example #1 ImagickDraw::setStrokeAlpha() example

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

$draw = new \ImagickDraw();

$draw->setStrokeColor($strokeColor);
$draw->setFillColor($fillColor);
$draw->setStrokeWidth(4);
$draw->line(100, 100, 400, 145);
$draw->rectangle(100, 200, 225, 350);
$draw->setStrokeOpacity(0.1);
$draw->line(100, 120, 400, 165);
$draw->rectangle(275, 200, 400, 350);

$image = new \Imagick();
$image->newImage(500, 400, $backgroundColor);
$image->setImageFormat("png");

$image->drawImage($draw);

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

?>

add a note

User Contributed Notes 2 notes

up
1
Thomas
8 years ago
Must be set after setStrokeColor().

Values between 0 (invisible) and 1.
up
0
Anonymous
4 years ago
ImagickDraw::setStrokeAlpha method is deprecated and it's use should be avoided

not sure since which version this became deprecated.
To Top