Php/docs/imagick.selectiveblurimage
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Imagick::selectiveBlurImage
(PECL imagick 3 >= 3.3.0)
Imagick::selectiveBlurImage — Description
Description
public Imagick::selectiveBlurImage
( float $radius
, float $sigma
, float $threshold
[, int $channel
= Imagick::CHANNEL_DEFAULT
] ) : bool
Selectively blur an image within a contrast threshold. It is similar to the unsharpen mask that sharpens everything with contrast above a certain threshold.
Parameters
radius
sigma
threshold
channel
- Provide any channel constant that is valid for your channel mode. To apply to more than one channel, combine channel constants using bitwise operators. Defaults to
Imagick::CHANNEL_DEFAULT
. Refer to this list of channel constants
Return Values
Returns TRUE
on success.
Examples
Example #1 Imagick::selectiveBlurImage()
<?phpfunction selectiveBlurImage($imagePath, $radius, $sigma, $threshold, $channel) { $imagick = new \Imagick(realpath($imagePath)); $imagick->selectiveBlurImage($radius, $sigma, $threshold, $channel); header("Content-Type: image/jpg"); echo $imagick->getImageBlob();}?>