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。

范例

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

Imagick::waveImage() - Applies wave filter to the image
Imagick::swirlImage() - Swirls the pixels about the center of the image

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