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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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24
Userland/Applications/PixelPaint/Tools/MoveTool.cpp
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@ -78,19 +78,19 @@ void MoveTool::on_mousemove(Layer* layer, MouseEvent& event)
switch (m_resize_anchor_location.value()) {
case ResizeAnchorLocation::TopLeft:
scaling_origin = rect_being_moved.top_left();
opposite_corner = rect_being_moved.bottom_right().translated(1, 1);
opposite_corner = rect_being_moved.bottom_right();
break;
case ResizeAnchorLocation::BottomRight:
scaling_origin = rect_being_moved.bottom_right().translated(1, 1);
scaling_origin = rect_being_moved.bottom_right();
opposite_corner = rect_being_moved.top_left();
break;
case ResizeAnchorLocation::BottomLeft:
scaling_origin = rect_being_moved.bottom_left().translated(0, 1);
opposite_corner = rect_being_moved.top_right().translated(1, 0);
scaling_origin = rect_being_moved.bottom_left();
opposite_corner = rect_being_moved.top_right();
break;
case ResizeAnchorLocation::TopRight:
scaling_origin = rect_being_moved.top_right().translated(1, 0);
opposite_corner = rect_being_moved.bottom_left().translated(0, 1);
scaling_origin = rect_being_moved.top_right();
opposite_corner = rect_being_moved.bottom_left();
break;
}
scaling_origin.translate_by(delta);
@ -233,9 +233,9 @@ Array<Gfx::IntRect, 4> MoveTool::resize_anchor_rects(Gfx::IntRect layer_rect_in_
{
return Array {
resize_anchor_rect_from_position(layer_rect_in_frame_coordinates.top_left(), resize_anchor_size),
resize_anchor_rect_from_position(layer_rect_in_frame_coordinates.top_right().translated(1, 0), resize_anchor_size),
resize_anchor_rect_from_position(layer_rect_in_frame_coordinates.bottom_left().translated(0, 1), resize_anchor_size),
resize_anchor_rect_from_position(layer_rect_in_frame_coordinates.bottom_right().translated(1), resize_anchor_size)
resize_anchor_rect_from_position(layer_rect_in_frame_coordinates.top_right(), resize_anchor_size),
resize_anchor_rect_from_position(layer_rect_in_frame_coordinates.bottom_left(), resize_anchor_size),
resize_anchor_rect_from_position(layer_rect_in_frame_coordinates.bottom_right(), resize_anchor_size)
};
}
@ -265,11 +265,11 @@ Optional<ResizeAnchorLocation const> MoveTool::resize_anchor_location_from_curso
if (cursor_within_resize_anchor_rect(layer_rect.top_left()))
return ResizeAnchorLocation::TopLeft;
if (cursor_within_resize_anchor_rect(layer_rect.top_right().translated(1, 0)))
if (cursor_within_resize_anchor_rect(layer_rect.top_right()))
return ResizeAnchorLocation::TopRight;
if (cursor_within_resize_anchor_rect(layer_rect.bottom_left().translated(0, 1)))
if (cursor_within_resize_anchor_rect(layer_rect.bottom_left()))
return ResizeAnchorLocation::BottomLeft;
if (cursor_within_resize_anchor_rect(layer_rect.bottom_right().translated(1)))
if (cursor_within_resize_anchor_rect(layer_rect.bottom_right()))
return ResizeAnchorLocation::BottomRight;
return {};
}