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PHP Imagick opaquePaintImage () function

Syntax:
bool Imagick::opaquePaintImage ( $target, $fill, $fuzz, $invert, $channel = Imagick::CHANNEL_DEFAULT ])
Parameters:This function takes five parameters as above and described below:
  • $target: this parameter contains the ImagickPixel object or target color to be changed.
  • $fill:this parameter contains the replacement color.
  • $fuzz:this parameter contains the number of fuzz in the float type.
  • $invert:toggle between 0 and 1, where 0 - normal, and 1 - the opposite.
  • $channel:This parameter contains Imagick channel constants that provide any channel constant that is valid for channel mode. Multiple channels can be combined using bitwise operators.
Return Value:This function returns TRUE on success or FALSE on failure.The following programs illustrate the Imagick::opaquePaintImage() function in PHP:Program 1: < ? php  
// Image path $imagePath = " https://cdncontribute.engineerforengineer.org/wp-content/ uploads / engineerforengineer-9.png " ;  
// Target color $target = ’rgb (255, 255, 255)’ ;  
// Replace the target color with a different color $fill = ’rgb (255, 234, 128)’ ; $fuzz = ’0.1’ ;  
// Initialize the inverted variable $invert = ’0’ ; $imagick = new Imagick ( $imagePath );  
// Set image format $imagick -> setimageformat ( ’png’ ); $imagick -> opaquePaintImage ( $target , $fill , $fuzz * Imagick::getQuantum(), $invert) ;  
// Use the despeckleimage() function to shrink
// speckle noise on the image $imagick -> despeckleimage(); header ( " Content-Type: image / png " );  
// Display the output image echo $imagick -> getImageBlob();  
?>
Output: Program 2:  
// Path to image $imagePath = " https://media .engineerforengineer.org / wp-content / uploads / 20190826021518 / checkerboardgfg.png " ;  
// Target color $target = ’rgb (255, 255, 255)’ ;  
// Replace the target color with a different color $fill = ’rgb (21, 200, 236)’ ; $fuzz = ’0.1’ ;  
// Initialize the inverted variable $invert = ’0’ ; $imagick = new Imagick ( $imagePath );  
// Set image format $imagick -> setimageformat ( ’png’ ); $imagick -> opaquePaintImage ( $target , $fill , $fuzz * Imagick::getQuantum(), $invert) ; header ( " Content-Type: image / png " );  
// Display the output image echo $imagick -> getImageBlob();  
?>
Output: Link: https://www.php.net/manual/en/imagick.opaquepaintimage.php

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