Imagick::addNoiseImage
(PECL imagick 2, PECL imagick 3)
Imagick::addNoiseImage — Adds random noise to the image
说明
Adds random noise to the image.
参数
- noise_type
- 
      The type of the noise. Refer to this list of noise constants. 
- 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. 缺省为 Imagick::CHANNEL_DEFAULT. 参考此 通道常数列表
返回值
   成功时返回 true。
  
示例
示例 #1 Imagick::addNoiseImage()
<?php
function addNoiseImage($noiseType, $imagePath, $channel) {
$imagick = new \Imagick(realpath($imagePath));
$imagick->addNoiseImage($noiseType, $channel);
header("Content-Type: image/jpg");
    echo $imagick->getImageBlob();
}
?>
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