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PHP Imagick paintOpaqueImage () function

Function Imagick::paintOpaqueImage()- it is a built-in function in PHP that is used to change any pixel that matches a specific color. 
Syntax:
bool Imagick::paintOpaqueImage ($target, $fill, $fuzz, $channel = Imagick::CHANNEL_DEFAULT)
Parameters:This function takes four parameters as above and described below:
  • $target:this the parameter contains the target color to change.
  • $fill:this parameter contains the color to change.
  • $fuzz:this parameter specifies the acceptable tolerance for two colors to be considered the same.
  • $channel:This parameter contains Imagick channel constants that provide any channel constant that is valid for channel mode. You can combine multiple channels using bitwise operators. The default is CHANNEL_DEFAULT.
Return Value:This function returns TRUE on success. 
Exceptions:this function throws an ImagickException on error.The following program illustrates the Imagick::paintOpaqueImage()function in PHP: Program :  
// Create a new imagick object $imagick = new Imagick ( https: / /media.engineerforengineer.org/wp-content/uploads/20190823154611/engineerforengineer24.png );  
// Using paintOpaqueImage $imagick -> paintOpaqueImage ( ’# FFFFFF’ , ’black’ , 1, Imagick::CHANNEL_DEFAULT); header ( " Content-Type: image / jpg " );  
// Display the output image echo $imagick -> getImageBlob();  
?>
Output:
Link:https://www.php.net/manual/en/imagick.paintopaqueimage.php

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