在线文档教程
PHP
Image/ImageMagick

Imagick::charcoalImage

Imagick::charcoalImage

(PECL imagick 2.0.0)

Imagick::charcoalImage — Simulates a charcoal drawing

Description

bool Imagick::charcoalImage ( float $radius , float $sigma )

Simulates a charcoal drawing.

Parameters

radius

The radius of the Gaussian, in pixels, not counting the center pixel

sigma

The standard deviation of the Gaussian, in pixels

Return Values

Returns TRUE on success.

Examples

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( } ?>

← Imagick::brightnessContrastImage

Imagick::chopImage →

© 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

https://secure.php.net/manual/en/imagick.charcoalimage.php