Php/docs/imagick.shadeimage

• PHP Manual
• Imagick
• Creates a 3D effect

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.

范例

Example #1 Imagick::shadeImage()

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