(PECL imagick 3)
Imagick::setImageArtifact — Set image artifact
public Imagick::setImageArtifact ( string $artifact , string $value ) : bool
Associates an artifact with the image. The difference between image properties and image artifacts is that properties are public and artifacts are private. This method is available if Imagick has been compiled against ImageMagick version 6.5.7 or newer.
artifact
The name of the artifact
value
The value of the artifact
Returns true on success.
Throws ImagickException on error.
Example #1 Imagick::setImageArtifact()
<?php
function setImageArtifact() {
$src1 = new \Imagick(realpath("./images/artifact/source1.png"));
$src2 = new \Imagick(realpath("./images/artifact/source2.png"));
$src2->setImageVirtualPixelMethod(\Imagick::VIRTUALPIXELMETHOD_TRANSPARENT);
$src2->setImageArtifact('compose:args', "1,0,-0.5,0.5");
$src1->compositeImage($src2, Imagick::COMPOSITE_MATHEMATICS, 0, 0);
$src1->setImageFormat('png');
header("Content-Type: image/png");
echo $src1->getImagesBlob();
}
?>
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https://www.php.net/manual/en/imagick.setimageartifact.php