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Support all alignment modes in label

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This commit is contained in:
Nikita Lisitsa 2021-02-25 21:09:41 +03:00
parent 619c4edbe2
commit 57473c545c
1 changed files with 28 additions and 2 deletions
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30
libs/ui/source/label.cpp
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@ -88,9 +88,35 @@ namespace psemek::ui
for (auto const & g : cached_state_->glyphs)
bbox |= g.position;
int lines = 1;
geom::vector<float, 2> offset;
offset[0] = shape_.box[0].center() - bbox[0].length() / 2.f;
offset[1] = shape_.box[1].center() - st->text_scale * st->font->size()[1] / 2.f;
switch (halign_)
{
case halignment::left:
offset[0] = shape_.box[0].min;
break;
case halignment::center:
offset[0] = shape_.box[0].center() - bbox[0].length() / 2.f;
break;
case halignment::right:
offset[0] = shape_.box[0].max - bbox[0].length();
break;
}
switch (valign_)
{
case valignment::top:
offset[1] = shape_.box[1].min;
break;
case valignment::center:
offset[1] = shape_.box[1].center() - lines * st->text_scale * st->font->size()[1] / 2.f;
break;
case valignment::bottom:
offset[1] = shape_.box[1].max - lines * st->text_scale * st->font->size()[1];
break;
}
for (auto & g : cached_state_->glyphs)
g.position += offset;