Imagick::setImageOpacity
(No version information available, might be only in CVS)
Imagick::setImageOpacity — Sets the image opacity level
설명
bool Imagick::setImageOpacity
( float $opacity
)
Warning
This function is currently not documented; only the argument list is available.
Warning
This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change without notice in a future release of PHP. Use this function at your own risk.
Sets the image to the specified opacity level. This method is present if Imagick is compiled against ImageMagick 6.3.1 or later.
매개변수
- opacity
-
The level of transparency: 1.0 is fully opaque and 0.0 is fully transparent.
반환값
성공시에 TRUE를 반환합니다.
예제
Example#1 A Imagick::setImageOpacity() example
An example of using Imagick::setImageOpacity()
<?php
/* Create the object */
$image = new Imagick('source.png');
/* Set the opacity */
$image->setImageOpacity(0.7);
/* output the image */
header('Content-type: image/png');
echo $image;
?>