Imagick::shadeImage()
(PECL imagick 2.0.0)
Creates a 3D effect
说明
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.
- $elevation
Defines the light source direction.
返回值
成功时返回TRUE
。
错误/异常
Throws ImagickException on failure.
范例
Example #1 Imagick::shadeImage()
<?php function shadeImage($imagePath) { $imagick = new \Imagick(realpath($imagePath)); $imagick->shadeImage(true, 45, 20); header("Content-Type: image/jpg"); echo $imagick->getImageBlob(); } ?>