<svg width="100%" height="100%" preserveAspectRatio="none" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"> <title>Testcase for scaled filter with non-integer x and y and objectBoundingBox</title> <defs> <filter id="filter" filterUnits="objectBoundingBox" x="0.5" y="0.5" width="0.25" height="0.25"> <feFlood flood-color="red" width="1" height="1" /> </filter> </defs> <rect width="100%" height="100%" fill="lime"/> <g transform="scale(400)"> <rect width="1" height="1" filter="url(#filter)" /> </g> <rect x="200" y="200" width="100" height="100" fill="lime" /> </svg>