| <!DOCTYPE html> |
| <html> |
| <meta name="viewport" content="width=device-width, initial-scale=1"> |
| <head> |
| <style> |
| img { |
| width: 300px; |
| height: 225px; |
| } |
| |
| body, html { |
| margin: 0; |
| } |
| </style> |
| <script> |
| function selectImageOverlay() |
| { |
| const overlay = internals.shadowRoot(document.querySelector("img")).querySelector("div#image-overlay"); |
| offset = [...overlay.parentNode.childNodes].indexOf(overlay); |
| internals.setSelectionWithoutValidation(overlay.parentNode, offset, overlay.parentNode, offset + 1); |
| } |
| |
| addEventListener("load", () => { |
| if (!window.internals) |
| return; |
| |
| internals.installImageOverlay(document.querySelector("img"), [{ |
| topLeft : new DOMPointReadOnly(0, 0), |
| topRight : new DOMPointReadOnly(1, 0), |
| bottomRight : new DOMPointReadOnly(1, 0.5), |
| bottomLeft : new DOMPointReadOnly(0, 0.5), |
| children: [ |
| { |
| text : "foobar", |
| topLeft : new DOMPointReadOnly(0, 0), |
| topRight : new DOMPointReadOnly(1, 0), |
| bottomRight : new DOMPointReadOnly(1, 0.5), |
| bottomLeft : new DOMPointReadOnly(0, 0.5), |
| } |
| ] |
| }]); |
| }); |
| </script> |
| </head> |
| <body><img src='sunset-in-cupertino-600px.jpg'></img></body> |
| </html> |
