(No version information available, might only be in Git)
  	
    
      
      Sets image alpha channel
    
    
      
      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 
Returns: 
     Returns TRUE on success. 
Exception: 
    
    Throws ImagickException on error.
See also: 
     
      
     
      
                  
    		
    		
    		
    		
    		
            		
    		
    		
    	
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