(PECL imagick 2.0.0)
ImagickDraw::setStrokeOpacity — Specifies the opacity of stroked object outlines
$stroke_opacity
)本函数还未编写文档，仅有参数列表。
Specifies the opacity of stroked object outlines.
stroke_opacitystroke opacity. 1.0 is fully opaque
没有返回值。
Example #1 ImagickDraw::setStrokeOpacity()
<?php
function setStrokeOpacity($strokeColor, $fillColor, $backgroundColor) {
$draw = new \ImagickDraw();
$draw->setStrokeWidth(1);
$draw->setStrokeColor($strokeColor);
$draw->setFillColor($fillColor);
$draw->setStrokeWidth(10);
$draw->setStrokeOpacity(1);
$draw->line(100, 80, 400, 125);
$draw->rectangle(25, 200, 150, 350);
$draw->setStrokeOpacity(0.5);
$draw->line(100, 100, 400, 145);
$draw->rectangle(200, 200, 325, 350);
$draw->setStrokeOpacity(0.2);
$draw->line(100, 120, 400, 165);
$draw->rectangle(375, 200, 500, 350);
$image = new \Imagick();
$image->newImage(550, 400, $backgroundColor);
$image->setImageFormat("png");
$image->drawImage($draw);
header("Content-Type: image/png");
echo $image->getImageBlob();
}
?>