Commit graph

6 commits

Author SHA1 Message Date
Aliaksandr Kalenik
9e23503c9c LibWeb: Align with spec "stretch auto tracks" step in GFC
Now, we will evenly distribute the remaining free space across tracks
using the auto max-tracks sizing function, exactly as the specification
states. Many tests are affected, but they are not visually broken.

Fixes https://github.com/SerenityOS/serenity/issues/22798
2024-01-16 13:13:47 +01:00
Aliaksandr Kalenik
de32b77ceb LibWeb: Use separate structure to represent fragments in paintable tree
This is a part of refactoring towards making the paintable tree
independent of the layout tree. Now, instead of transferring text
fragments from the layout tree to the paintable tree during the layout
commit phase, we allocate separate PaintableFragments that contain only
the information necessary for painting. Doing this also allows us to
get rid LineBoxes, as they are used only during layout.
2024-01-13 10:53:38 +01:00
Andreas Kling
e7de5cb4d2 LibWeb: Bring CSS line-height closer to other engines
This patch makes a few changes to the way we calculate line-height:

- `line-height: normal` is now resolved using metrics from the used
  font (specifically, round(A + D + lineGap)).

- `line-height: calc(...)` is now resolved at style compute time.

- `line-height` values are now absolutized at style compute time.

As a consequence of the above, we no longer need to walk the DOM
ancestor chain looking for line-heights during style computation.
Instead, values are inherited, resolved and absolutized locally.

This is not only much faster, but also makes our line-height metrics
match those of other engines like Gecko and Blink.
2024-01-12 15:04:06 +01:00
Andreas Kling
c01c4b41e2 LibWeb: Add ViewportPaintable to represent viewports in the paint tree
This patch just adds the new root paintable and updates the tests
expectations. The next patch will move painting logic from the layout
viewport to the paint viewport.
2023-08-20 05:02:59 +02:00
Andreas Kling
09eed8eea2 LibWeb+headless-browser: Include paint tree in layout test output
This will give us a more comprehensive look at what actually gets
rendered in the end, and also allows us to catch more behavior changes.
2023-08-03 13:21:26 +02:00
Aliaksandr Kalenik
0f1f95da46 LibWeb: Add support for grid items with negative column-start in GFC
This changes grid items position storage type from unsigned to signed
integer so it can represent negative offsets and also updates placement
for grid items with specified column to correctly handle negative
offsets.
2023-06-07 11:37:11 +02:00