| <!DOCTYPE html> |
| <title>getBoundingClientRect for elements with css zoom</title> |
| <link rel="author" title="Yotam Hacohen" href="mailto:yotha@chromium.org"> |
| <link rel="author" title="Google" href="http://www.google.com/"> |
| <link rel="help" href="https://drafts.csswg.org/css-viewport/"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <head> |
| <style> |
| div { |
| width: 64px; |
| height: 64px; |
| background-color: blue |
| } |
| div.x4_zoom { |
| zoom: 4.0; |
| background-color: blueviolet; |
| } |
| div.x2_zoom { |
| background-color: chartreuse; |
| zoom: 2.0; |
| } |
| |
| div.transform { |
| transform: scale(2); |
| transform-origin: top left; |
| } |
| |
| |
| </style> |
| </head> |
| <body> |
| <div id="no_zoom"></div> |
| <div class="x4_zoom" id="with_zoom"> |
| </div> |
| <div class="x2_zoom"> |
| <div class="x4_zoom" id="nested_zoom"></div> |
| </div> |
| <div id="transform_and_zoom" class="x4_zoom transform"></div> |
| <script> |
| setup(() => { |
| window.noZoom = document.getElementById("no_zoom"); |
| window.withZoom = document.getElementById("with_zoom"); |
| window.nestedZoom = document.getElementById("nested_zoom"); |
| window.transformAndZoom = document.getElementById("transform_and_zoom"); |
| }); |
| test(function() { |
| assert_true(!!noZoom, "no zoom target exists"); |
| assert_true(!!withZoom, "zoom target exists"); |
| }); |
| test(function() { |
| let noZoomRect = noZoom.getBoundingClientRect(); |
| assert_equals(noZoomRect.left, 8, 'no zoom left'); |
| assert_equals(noZoomRect.top, 8, 'no zoom top'); |
| assert_equals(noZoomRect.width, 64, 'no zoom width'); |
| assert_equals(noZoomRect.height, 64, 'no zoom height'); |
| }); |
| test(function() { |
| let ZoomRect = withZoom.getBoundingClientRect(); |
| assert_equals(ZoomRect.left, 8, 'x4 zoom left'); |
| assert_equals(ZoomRect.top, 8 + 64, 'x4 zoom top'); |
| assert_equals(ZoomRect.width, 256, 'x4 zoom width'); |
| assert_equals(ZoomRect.height, 256, 'x4 zoom height'); |
| }); |
| test(function() { |
| let nestedZoomRect = nestedZoom.getBoundingClientRect(); |
| assert_equals(nestedZoomRect.left, 8, 'nested zoom left'); |
| assert_equals(nestedZoomRect.top, 8 + 64 + 256, 'nested zoom top'); |
| assert_equals(nestedZoomRect.width, 512, 'nested zoom width'); |
| assert_equals(nestedZoomRect.height, 512, 'nested zoom height'); |
| }); |
| test(function() { |
| let transformAndZoomRect = transformAndZoom.getBoundingClientRect(); |
| assert_equals(transformAndZoomRect.left, 8, 'transform and zoom left'); |
| assert_equals(transformAndZoomRect.top, 8 + 64 + 256 + 128, 'transform and zoom top'); |
| assert_equals(transformAndZoomRect.width, 512, 'transform and zoom width'); |
| assert_equals(transformAndZoomRect.height, 512, 'transform and zoom height'); |
| }); |
| </script> |
| </body> |
| ` |
