Associates an artifact with the image. The difference between image properties and image artifacts is that properties are public and artifacts are private. Available since 6.5.7
Associates an artifact with the image. The difference between image properties and image artifacts is that properties are public and artifacts are private. Available since 6.5.7
Parameters
artifactstringThe name of the artifact
valuestringThe value of the artifact
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();
}