third_party/blink/web_tests/external/wpt/css/css-masking/mask-svg-content/mask-negative-scale.svg

<svg xmlns="http://www.w3.org/2000/svg" xmlns:html="http://www.w3.org/1999/xhtml"
	 xmlns:xlink="http://www.w3.org/1999/xlink">
<g id="testmeta">
	<title>CSS Masking: mask with negative scale target</title>
	<html:link rel="author" title="Dirk Schulze" href="mailto:dschulze@adobe.com"/>
	<html:link rel="help" href="http://www.w3.org/TR/css-masking-1/#svg-masks"/>
	<html:link rel="help" href="http://www.w3.org/TR/css-masking-1/#MaskElement"/>
	<html:link rel="match" href="reference/mask-negative-scale-001-ref.svg"/>
	<metadata class="flags">svg</metadata>
	<desc class="assert">The masked target elements get scaled with negative
	factors. Check if that influences masking. You should see 4 green
	rectangles with smaller blue rectangles in it in various rotations.</desc>
</g>
<defs>
<g id="img" transform="translate(10,10)">
	<rect width="200" height="200" fill="red"/>
	<rect width="100" height="100" fill="green"/>
	<rect width="50" height="50" fill="blue"/>
</g>
</defs>

<mask id="mask">
	<rect x="10" y="10" width="90" height="90" fill="white"/>
</mask>

<g transform="translate(200, 200)">
<g transform="matrix(1 0 0 1 -100 -100)" mask="url(#mask)">
	<use xlink:href="#img"/>
</g>
<g transform="matrix(-1 0 0 -1 -100 -100)" mask="url(#mask)">
	<use xlink:href="#img"/>
</g>
<g transform="matrix(-1 0 0 1 -100 -100)" mask="url(#mask)">
	<use xlink:href="#img"/>
</g>
<g transform="matrix(1 0 0 -1 -100 -100)" mask="url(#mask)">
	<use xlink:href="#img"/>
</g>
</g>
</svg>