Imagick::shadeImage

(PECL imagick 2, PECL imagick 3)

Imagick::shadeImage — Creates a 3D effect

说明

public Imagick::shadeImage(bool $gray, float $azimuth, float $elevation): bool

Shines a distant light on an image to create a three-dimensional effect. You control the positioning of the light with azimuth and elevation; azimuth is measured in degrees off the x axis and elevation is measured in pixels above the Z axis. 此方法在Imagick基于ImageMagick 6.2.9以上版本编译时可用。

参数

gray: A value other than zero shades the intensity of each pixel.
azimuth: Defines the light source direction.
elevation: Defines the light source direction.

返回值

成功时返回 true。

错误／异常

Throws ImagickException on failure.

示例

示例 #1 Imagick::shadeImage()

<?php
function shadeImage($imagePath) {
    $imagick = new \Imagick(realpath($imagePath));
    $imagick->shadeImage(true, 45, 20);
    header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}

?>