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Fix canvas rectangle bounding box

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When drawing the outline of a rectangle, the bounding
box must cover the whole pixel of the line. Otherwise
the line would be left behind when the rectangle shrinks.
This commit is contained in:
Robin Gareus 2023-09-07 02:42:25 +02:00
parent cc47b5fe3c
commit e88a121ff8
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
1 changed files with 6 additions and 3 deletions
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9
libs/canvas/rectangle.cc
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@ -170,9 +170,12 @@ Rectangle::size_request (double& w, double& h) const
void void
Rectangle::compute_bounding_box () const Rectangle::compute_bounding_box () const
{ {
if (!_rect.empty()) { if (_rect.empty ()) {
// _bounding_box = _rect.fix().expand (1.0 + _outline_width * 0.5); _bounding_box = Rect ();
_bounding_box = _rect.fix().expand (_outline_width * 0.5); } else if (_outline && _outline_width && _outline_what) {
_bounding_box = _rect.fix().expand (ceil (_outline_width * 0.5));
} else {
_bounding_box = _rect.fix();
} }
set_bbox_clean (); set_bbox_clean ();