[Webkit-unassigned] [Bug 259937] New: [IFC] Enable the ability to override available width for line boxes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=259937

            Bug ID: 259937
           Summary: [IFC] Enable the ability to override available width
                    for line boxes
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: david_choi5 at apple.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

The available width for a line box is originally determined by the HorizontalConstraints struct. However, it is sometimes desirable to override that width constraint. One potential reason to override that width constraint is to force line breaks at particular inline items. (Currently, there is no way to specify to the LineBuilder to break at certain InlineItems, and the only way to do so is to modify the available space on the line.) This is useful for CSS properties such as text-wrap, which need to make line-breaking decisions that do not follow the current greedy approach of filling up the entire available width.

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