Imagick::setImageAlphaChannel
Imagick::setImageAlphaChannel
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Imagick::setImageAlphaChannel — Sets image alpha channel
Description
bool Imagick::setImageAlphaChannel ( int $mode )
Activate or deactivate image alpha channel. The mode is one of the Imagick::ALPHACHANNEL_* constants. This method is available if Imagick has been compiled against ImageMagick version 6.3.8 or newer.
Parameters
-
mode -
One of the
Imagick::ALPHACHANNEL_*constants
Return Values
Returns TRUE on success.
Errors/Exceptions
Throws ImagickException on error.
See Also
- Imagick::setImageMatte() - Sets the image matte channel
- Imagick Alpha Channel Constants
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://secure.php.net/manual/en/imagick.setimagealphachannel.php
