| <!DOCTYPE html> |
| <html> |
| <head> |
| <style> |
| body, html { |
| margin: 0; |
| } |
| |
| .cover-block-container { |
| position: absolute; |
| top: 0; |
| left: 0; |
| width: 200px; |
| height: 200px; |
| background-color: black; |
| } |
| </style> |
| </head> |
| <body> |
| <img src="../resources/green-400x400.png"></img> |
| <div class="cover-block-container"></div> |
| <script> |
| addEventListener("load", () => { |
| let image = document.querySelector("img"); |
| internals.installImageOverlay(image, [], [ |
| { |
| topLeft : new DOMPointReadOnly(0.1, 0.1), |
| topRight : new DOMPointReadOnly(0.4, 0.1), |
| bottomRight : new DOMPointReadOnly(0.4, 0.4), |
| bottomLeft : new DOMPointReadOnly(0.1, 0.4), |
| text : "This is a lot of text that might overflow the overlay block unless we do something about it.", |
| } |
| ]); |
| const block = internals.shadowRoot(image).querySelector("div.image-overlay-block"); |
| block.style.overflow = "visible"; |
| }); |
| </script> |
| </body> |
| </html> |
