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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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14
Userland/Libraries/LibWeb/Painting/BorderPainting.cpp
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@ -85,13 +85,13 @@ void paint_border(PaintContext& context, BorderEdge edge, DevicePixelRect const&
auto points_for_edge = [](BorderEdge edge, DevicePixelRect const& rect) -> Points {
switch (edge) {
case BorderEdge::Top:
return { rect.top_left(), rect.top_right() };
return { rect.top_left(), rect.top_right().moved_left(1) };
case BorderEdge::Right:
return { rect.top_right(), rect.bottom_right() };
return { rect.top_right().moved_left(1), rect.bottom_right().translated(-1) };
case BorderEdge::Bottom:
return { rect.bottom_left(), rect.bottom_right() };
return { rect.bottom_left().moved_up(1), rect.bottom_right().translated(-1) };
default: // Edge::Left
return { rect.top_left(), rect.bottom_left() };
return { rect.top_left(), rect.bottom_left().moved_up(1) };
}
};
@ -365,13 +365,13 @@ void paint_all_borders(PaintContext& context, CSSPixelRect const& bordered_rect,
blit_corner(border_rect.top_left().to_type<int>(), top_left.as_rect(), pick_corner_color(borders_data.top, borders_data.left));
if (top_right)
blit_corner(border_rect.top_right().to_type<int>().translated(-top_right.horizontal_radius + 1, 0), top_right.as_rect().translated(corner_mask_rect.width().value() - top_right.horizontal_radius, 0), pick_corner_color(borders_data.top, borders_data.right));
blit_corner(border_rect.top_right().to_type<int>().translated(-top_right.horizontal_radius, 0), top_right.as_rect().translated(corner_mask_rect.width().value() - top_right.horizontal_radius, 0), pick_corner_color(borders_data.top, borders_data.right));
if (bottom_right)
blit_corner(border_rect.bottom_right().to_type<int>().translated(-bottom_right.horizontal_radius + 1, -bottom_right.vertical_radius + 1), bottom_right.as_rect().translated(corner_mask_rect.width().value() - bottom_right.horizontal_radius, corner_mask_rect.height().value() - bottom_right.vertical_radius), pick_corner_color(borders_data.bottom, borders_data.right));
blit_corner(border_rect.bottom_right().to_type<int>().translated(-bottom_right.horizontal_radius, -bottom_right.vertical_radius), bottom_right.as_rect().translated(corner_mask_rect.width().value() - bottom_right.horizontal_radius, corner_mask_rect.height().value() - bottom_right.vertical_radius), pick_corner_color(borders_data.bottom, borders_data.right));
if (bottom_left)
blit_corner(border_rect.bottom_left().to_type<int>().translated(0, -bottom_left.vertical_radius + 1), bottom_left.as_rect().translated(0, corner_mask_rect.height().value() - bottom_left.vertical_radius), pick_corner_color(borders_data.bottom, borders_data.left));
blit_corner(border_rect.bottom_left().to_type<int>().translated(0, -bottom_left.vertical_radius), bottom_left.as_rect().translated(0, corner_mask_rect.height().value() - bottom_left.vertical_radius), pick_corner_color(borders_data.bottom, borders_data.left));
}
}