Blitz - WPT: mix-blend-mode-sibling-with-3D-transform.html

wpt / css / compositing / mix-blend-mode / mix-blend-mode-sibling-with-3D-transform.html

/css/compositing/mix-blend-mode/mix-blend-mode-sibling-with-3D-transform.html

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>CSS Test: blending between an element and its sibling element having 3D transform</title>
        <link rel="author" title="Mirela Budăeș" href="mailto:mbudaes@adobe.com">
        <link rel="author" title="Ion Roșca" href="mailto:rosca@adobe.com">
        <link rel="reviewer" title="Mihai Țică" href="mailto:mitica@adobe.com">
        <link rel="help" href="https://drafts.fxtf.org/compositing-1/#mix-blend-mode">
        <meta name="assert" content="Test checks that an element with mix-blend-mode blends with both parent element and with sibling element having 3D transform">
        <link rel="match" href="reference/mix-blend-mode-sibling-with-3D-transform-ref.html">
        <style type="text/css">
            .parent {
                background: aqua;/*rgb(0,255,255);*/
                width: 140px;
                height: 140px;
                padding-top: 1px;
                position: relative;
                z-index: 1;
            }
            .blended {
                background: fuchsia;/*rgb(255,0,255);*/
                margin-top: -200px;
                margin-left: 20px;
                width: 200px;
                height: 200px;
                mix-blend-mode: difference;
            }
            .siblingOfBlended {
                background: red;/*rgb(255,0,0);*/
                margin-top: 20px;
                margin-left: 20px;
                width: 200px;
                height: 200px;
                transform: perspective(600px) translateZ(-200px);
            }
        </style>
    </head>
    <body>
        <p>You should see three overlapping squares, from back to front, having the following colors: aqua, fuchsia and blue. <br>
        The intersection area between aqua and fuchsia squares, which is not overlapped by the blue square, should be yellow.</p>
        <div class="parent">
            <div class="siblingOfBlended"></div>
            <div class="blended"></div>
        </div>
    </body>
</html>

/css/compositing/mix-blend-mode/reference/mix-blend-mode-sibling-with-3D-transform-ref.html

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>CSS Reftest Reference</title>
        <link rel="author" title="Mirela Budăeș" href="mailto:mbudaes@adobe.com">
        <link rel="author" title="Ion Roșca" href="mailto:rosca@adobe.com">
        <link rel="reviewer" title="Mihai Țică" href="mailto:mitica@adobe.com">
        <style type="text/css">
            .parent {
                background: aqua;/*rgb(0,255,255);*/
                width: 140px;
                height: 140px;
                padding-top: 1px;
                position: relative;
                z-index: 1;
            }
            .blended {
                background: fuchsia;/*rgb(255,0,255);*/
                margin-top: -200px;
                margin-left: 20px;
                width: 200px;
                height: 200px;
            }
            .siblingOfBlended {
                background: blue;/*rgb(0,0,255);*/
                margin-top: 20px;
                margin-left: 20px;
                width: 200px;
                height: 200px;
                transform: perspective(600px) translateZ(-200px);
            }
            .intersectionOfBlended {
                background: yellow;/*rgb(255,255,0);*/
                margin-top: -200px;
                margin-left: 20px;
                width: 120px;
                height: 120px;
            }
        </style>
    </head>
    <body>
        <p>You should see three overlapping squares, from back to front, having the following colors: aqua, fuchsia and blue. <br>
        The intersection area between aqua and fuchsia squares, which is not overlapped by the blue square, should be yellow.</p>
        <div class="parent">
            <div class="siblingOfBlended"></div>
            <div class="blended"></div>
            <div class="intersectionOfBlended"></div>
        </div>
    </body>
</html>