| <!DOCTYPE html> |
| <title>x and y properties for image 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/cssom-view/#dom-element-scroll"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <head> |
| <style> |
| img { |
| display: block; |
| } |
| .container { |
| height: 100px; |
| width: 100px; |
| } |
| |
| #x4_zoom_container { |
| zoom: 4; |
| } |
| |
| </style> |
| </head> |
| <body> |
| <div class="container" id="no_zoom_container"> |
| <img src="support/1x1-green.png" id="no_zoom_image_no_zoom_container"> |
| <img src="support/1x1-navy.png" style="zoom: 2;" id="x2_zoom_image_no_zoom_container"> |
| </div> |
| |
| <div class="container" id="x4_zoom_container"> |
| <img style="position: relative; top: 10px;" src="support/1x1-maroon.png" id="no_zoom_image_x4_zoom_container"> |
| <img src="support/1x1-navy.png" style="zoom: 2;" id="x2_zoom_image_x4_zoom_container"> |
| <img src="support/1x1-red.png" style="transform: scale(5);" id="transformed_and_zoomed_image"> |
| </div> |
| <script> |
| function compareXYCoordinatesToBoundingBox(object, object_name){ |
| assert_equals(object.x, object.getBoundingClientRect().left, object_name + ' x'); |
| assert_equals(object.y, object.getBoundingClientRect().top, object_name + ' y'); |
| } |
| |
| window.onload = function() { |
| test(function() { |
| // Values should be same as values of getBoundingClientRect |
| compareXYCoordinatesToBoundingBox(no_zoom_image_no_zoom_container, 'no-zoom image in a no-zoom container'); |
| compareXYCoordinatesToBoundingBox(x2_zoom_image_no_zoom_container, 'image with css zoom in a no zoom container'); |
| compareXYCoordinatesToBoundingBox(no_zoom_image_x4_zoom_container, 'no-zoom image in a container with css zoom'); |
| compareXYCoordinatesToBoundingBox(x2_zoom_image_x4_zoom_container, 'both image and container have css zoom'); |
| }); |
| test(function() { |
| // Values should be in the root coordinate system, and affected by zoom |
| assert_equals(no_zoom_image_no_zoom_container.x, 8, 'no zoom image no zoom container x'); |
| assert_equals(no_zoom_image_no_zoom_container.y, 8, 'no zoom image no zoom container y'); |
| assert_equals(x2_zoom_image_no_zoom_container.x, 8, 'x2 zoom image no zoom container x'); |
| assert_equals(x2_zoom_image_no_zoom_container.y, 9, 'x2 zoom image no zoom container y'); |
| assert_equals(no_zoom_image_x4_zoom_container.x, 8, 'no zoom image x4 zoom container x'); |
| // This element also has a position-top, which is affected by zoom |
| assert_equals(no_zoom_image_x4_zoom_container.y, 148, 'no zoom image x4 zoom container y'); |
| assert_equals(x2_zoom_image_x4_zoom_container.x, 8, 'x2 zoom image x4 zoom container x'); |
| assert_equals(x2_zoom_image_x4_zoom_container.y, 112, 'x2 zoom image x4 zoom container y'); |
| assert_equals(transformed_and_zoomed_image.x, 8, 'image with transform properties x'); |
| assert_equals(transformed_and_zoomed_image.y, 120, 'image with transform properties y'); |
| }); |
| }; |
| |
| </script> |
| </body> |
