diff options
Diffstat (limited to 'components/layout/display_list_builder.rs')
| -rw-r--r-- | components/layout/display_list_builder.rs | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/components/layout/display_list_builder.rs b/components/layout/display_list_builder.rs index 69242321c7e..8828994c056 100644 --- a/components/layout/display_list_builder.rs +++ b/components/layout/display_list_builder.rs @@ -1154,10 +1154,14 @@ impl FragmentDisplayListBuilding for Fragment { paint_worklet: &PaintWorklet, index: usize) { - // TODO: check that this is the servo equivalent of "concrete object size". + // This should be the "concrete object size" of the fragment. // https://drafts.css-houdini.org/css-paint-api/#draw-a-paint-image // https://drafts.csswg.org/css-images-3/#concrete-object-size - let size = self.content_box().size.to_physical(style.writing_mode); + // Experimentally, chrome is using the size in px of the box, + // including padding, but not border or margin, so we follow suit. + // https://github.com/w3c/css-houdini-drafts/issues/417 + let unbordered_box = self.border_box - style.logical_border_width(); + let size = unbordered_box.size.to_physical(style.writing_mode); let name = paint_worklet.name.clone(); // If the script thread has not added any paint worklet modules, there is nothing to do! |