<?php
function setClipUnits($strokeColor, $fillColor, $backgroundColor) {
$draw = new \ImagickDraw();
$draw->setStrokeColor($strokeColor);
$draw->setFillColor($fillColor);
$draw->setStrokeOpacity(1);
$draw->setStrokeWidth(2);
$clipPathName = 'testClipPath';
$draw->setClipUnits(\Imagick::RESOLUTION_PIXELSPERINCH);
$draw->pushClipPath($clipPathName);
$draw->rectangle(0, 0, 250, 250);
$draw->popClipPath();
$draw->setClipPath($clipPathName);
//RESOLUTION_PIXELSPERINCH
//RESOLUTION_PIXELSPERCENTIMETER
$draw->rectangle(200, 200, 300, 300);
$imagick = new \Imagick();
$imagick->newImage(500, 500, $backgroundColor);
$imagick->setImageFormat("png");
$imagick->drawImage($draw);
header("Content-Type: image/png");
echo $imagick->getImageBlob();
}
?>