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LibGfx+Everywhere: Change Gfx::Rect to be endpoint exclusive

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Previously, calling `.right()` on a `Gfx::Rect` would return the last
column's coordinate still inside the rectangle, or `left + width - 1`.
This is called 'endpoint inclusive' and does not make a lot of sense for
`Gfx::Rect<float>` where a rectangle of width 5 at position (0, 0) would
return 4 as its right side. This same problem exists for `.bottom()`.

This changes `Gfx::Rect` to be endpoint exclusive, which gives us the
nice property that `width = right - left` and `height = bottom - top`.
It enables us to treat `Gfx::Rect<int>` and `Gfx::Rect<float>` exactly
the same.

All users of `Gfx::Rect` have been updated accordingly.
This commit is contained in:
Jelle Raaijmakers 2023-05-22 00:41:18 +02:00 • committed by Andreas Kling
parent b7f4363791
commit f391ccfe53
88 changed files with 524 additions and 518 deletions
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2
Userland/Libraries/LibWeb/Layout/FormattingContext.cpp
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@ -358,7 +358,7 @@ CSSPixels FormattingContext::compute_auto_height_for_block_formatting_context_ro
// NOTE: Floating box coordinates are relative to their own containing block,
// which may or may not be the BFC root.
auto margin_box = margin_box_rect_in_ancestor_coordinate_space(*floating_box, root, m_state);
CSSPixels floating_box_bottom_margin_edge = margin_box.bottom() + 1;
CSSPixels floating_box_bottom_margin_edge = margin_box.bottom();
if (!bottom.has_value() || floating_box_bottom_margin_edge > bottom.value())
bottom = floating_box_bottom_margin_edge;
}