Imagick::charcoalImage

    (PECL imagick 2, PECL imagick 3)

    Imagick::charcoalImage — Simulates a charcoal drawing

    说明

    publicImagick::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。

    示例

    示例 #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();
    }

    ?>
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