Imagick::charcoalImage
(PECL imagick 2.0.0)
Imagick::charcoalImage — Simulates a charcoal drawing
说明
Imagick::charcoalImage (
float
$radius ,
float $sigma ) :
bool
Simulates a charcoal drawing.
参数
-
radius -
The radius of the Gaussian, in pixels, not counting the center pixel
-
sigma -
The standard deviation of the Gaussian, in pixels
返回值
成功时返回 TRUE。
范例
Example #1 Imagick::charcoalImage()
<?php
function charcoalImage($imagePath, $radius, $sigma) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->charcoalImage($radius, $sigma);
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
}
?>
