Imagick::solarizeImage

(PECL imagick 2.0.0)

Imagick::solarizeImageApplies a solarizing effect to the image

说明

Imagick::solarizeImage ( int $threshold ) : bool

Applies a special effect to the image, similar to the effect achieved in a photo darkroom by selectively exposing areas of photo sensitive paper to light. Threshold ranges from 0 to QuantumRange and is a measure of the extent of the solarization.

参数

threshold

返回值

成功时返回 TRUE

范例

Example #1 Imagick::solarizeImage()

<?php
function solarizeImage($imagePath$solarizeThreshold) {
    
$imagick = new \Imagick(realpath($imagePath));
    
$imagick->solarizeImage($solarizeThreshold * \Imagick::getQuantum());
    
header("Content-Type: image/jpg");
    echo 
$imagick->getImageBlob();
}

?>