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LibWeb: Add SVGFormattingContext to handle SVG box trees

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Instead of trying to layout SVG boxes as if they are regular CSS boxes,
let's invent an "SVG formatting context" and let it manage SVG boxes.

To facilitate this, Layout::SVGBox no longer inherits from ReplacedBox,
and is instead a simple, "inline-block" style BlockBox.
This commit is contained in:
Andreas Kling 2021-09-17 23:12:16 +02:00
commit 92c08ad4ac
Notes: sideshowbarker 2024-07-18 03:44:41 +09:00
11 changed files with 65 additions and 26 deletions
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8
Userland/Libraries/LibWeb/Layout/FormattingContext.cpp
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@ -11,6 +11,8 @@
#include <LibWeb/Layout/FormattingContext.h>
#include <LibWeb/Layout/InlineFormattingContext.h>
#include <LibWeb/Layout/ReplacedBox.h>
#include <LibWeb/Layout/SVGFormattingContext.h>
#include <LibWeb/Layout/SVGSVGBox.h>
#include <LibWeb/Layout/TableBox.h>
#include <LibWeb/Layout/TableCellBox.h>
#include <LibWeb/Layout/TableFormattingContext.h>
@ -67,6 +69,12 @@ bool FormattingContext::creates_block_formatting_context(const Box& box)
void FormattingContext::layout_inside(Box& box, LayoutMode layout_mode)
{
if (is<SVGSVGBox>(box)) {
SVGFormattingContext context(box, this);
context.run(box, layout_mode);
return;
}
if (creates_block_formatting_context(box)) {
BlockFormattingContext context(box, this);
context.run(box, layout_mode);