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();
}
?>
+添加备注
用户贡献的备注
此页面尚无用户贡献的备注。
备份地址:http://www.lvesu.com/blog/php/imagick.addnoiseimage.php