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Use the mean of all positions as center when rotating label-only selection 

Fixes https://gitlab.com/kicad/code/kicad/issues/9690
This commit is contained in:
Mikolaj Wielgus 2021-12-03 16:17:02 +01:00
parent c186d1f319
commit 5f8f1542f8
1 changed files with 18 additions and 6 deletions
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24
common/tool/selection.cpp
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@ -71,29 +71,41 @@ bool SELECTION::Contains( EDA_ITEM* aItem ) const
VECTOR2I SELECTION::GetCenter() const
{
KICAD_T labelTypes[] = { SCH_LABEL_T, SCH_GLOBAL_LABEL_T, SCH_HIER_LABEL_T, EOT };
bool includeLabels = true;
bool hasOnlyLabels = true;
// If the selection contains at least one non-label then don't include labels when
// calculating the centerpoint.
// If the selection contains only labels calculate the center as the mean of all positions
// instead of using the center of the total bounding box. Otherwise rotating the selection will
// also translate it.
for( EDA_ITEM* item : m_items )
{
if( !item->IsType( labelTypes ) )
{
includeLabels = false;
hasOnlyLabels = false;
break;
}
}
EDA_RECT bbox;
if( hasOnlyLabels )
{
wxPoint center( 0, 0 );
for( EDA_ITEM* item : m_items )
center += item->GetPosition();
center = center / m_items.size();
return static_cast<VECTOR2I>( center );
}
for( EDA_ITEM* item : m_items )
{
if( !item->IsType( labelTypes ) || includeLabels )
if( !item->IsType( labelTypes ) )
bbox.Merge( item->GetBoundingBox() );
}
return static_cast<VECTOR2I>( bbox.Centre() );
return static_cast<VECTOR2I>( bbox.GetCenter() );
}