Php/docs/imagick.vignetteimage
来自菜鸟教程
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 $y
) : bool
Softens the edges of the image in vignette style. 此方法在Imagick基于ImageMagick 6.2.9以上版本编译时可用。
参数
blackPoint
- The black point.
whitePoint
- The white point
x
- X offset of the ellipse
y
- Y offset of the ellipse
返回值
成功时返回 true
。
参见
- Imagick::waveImage() - Applies wave filter to the image
- Imagick::swirlImage() - Swirls the pixels about the center of the image
范例
Example #1 Imagick::vignetteImage()
<?phpfunction vignetteImage($imagePath, $blackPoint, $whitePoint, $x, $y) { $imagick = new \Imagick(realpath($imagePath)); $imagick->vignetteImage($blackPoint, $whitePoint, $x, $y); header("Content-Type: image/jpg"); echo $imagick->getImageBlob();}?>