Syntax:bool Imagick::transparentPaintImage (mixed $target, float $alpha, float $fuzz, bool $invert)
Parameters:This function takes four parameters as above and described below:
- $target:target color for drawing transparent.
- $alpha:transparency range: 1.0 is fully opaque and 0.0 is fully transparent.
- $fuzz:if TRUE paints any pixel that does not match the target color.
- $invert:whitePoint image.
Return value: this function returns Trueon success.
The following program illustrates the Imagick::transparentPaintImage() function in PHP:
Example: // $source = & quot; gfg_350X350.png & quot ;; $source = " https://media.engineerforengineer.org/wp-content/uploads/20190809013546/gfg_350X350.png " ; $target = "transpaintimg.png " ; $color = "rgb (39 , 194, 255) " ; $alpha = "0.5" ; $fuzz = "0.1" ; $inverse = "normal" ; $imagick = new Imagick ( realpath ( $source )); // Must be in a format that supports transparency $imagick -> setimageformat ( ’png’ ); $imagick -> transparentPaintImage ( $color , $alpha , $fuzz * Imagick::getQuantum(), $inverse ); // Not required, but helps to remove the remaining pixels $imagick -> despeckleimage(); $canvas = new Imagick(); $canvas -> newPseudoImage ( $imagick -> getImageWidth(), $imagick -> getImageHeight(), "pattern: checkerboard" ); $canvas -> compositeimage ( $imagick , Imagick: : COMPOSITE_ATOP, 0, 0); $canvas -> setImageFormat ( ’png’ ); header ( " Content-Type: image / png " ); echo $canvas -> getImageBlob(); $canvas -> WriteImage ( $target ); ?> Output: Link: https://www.php.net/manual/en/imagick.transparentpaintimage.php
