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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/Applications/PixelPaint/PaletteWidget.cpp
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@ -115,7 +115,7 @@ PaletteWidget::PaletteWidget()
m_primary_color_widget->set_fill_with_background_color(true);
m_color_container = add<GUI::Widget>();
m_color_container->set_relative_rect(m_secondary_color_widget->relative_rect().right() + 2, 2, 500, 33);
m_color_container->set_relative_rect(m_secondary_color_widget->relative_rect().right() + 1, 2, 500, 33);
m_color_container->set_layout<GUI::VerticalBoxLayout>(GUI::Margins {}, 1);
auto& top_color_container = m_color_container->add<GUI::Widget>();