Imagick::vignetteImage

    (PECL imagick 2, PECL imagick 3)

    Imagick::vignetteImage — Adds vignette filter to the image

    说明

    public Imagick::vignetteImage(
        float $blackPoint,
        float $whitePoint,
        int $x,
        int $y
    ): bool

    Softens the edges of the image in vignette style. 此方法在Imagick基于ImageMagick 6.2.9以上版本编译时可用。

    参数

    blackPoint

    The black point.

    whitePoint

    The white point

    x

    X offset of the ellipse

    y

    Y offset of the ellipse

    返回值

    成功时返回 true。

    示例

    示例 #1 Imagick::vignetteImage()

    <?php
    function vignetteImage($imagePath, $blackPoint, $whitePoint, $x, $y) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->vignetteImage($blackPoint, $whitePoint, $x, $y);
    header("Content-Type: image/jpg");
    echo     $imagick->getImageBlob();
    }

    ?>

    参见

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