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Fix pad bounding box calculation bug. (fixes lp:1202828)

This commit is contained in:
matheiulj 2013-07-26 17:29:16 -04:00 committed by Wayne Stambaugh
parent cb52b9d0fe
commit d786ac91df
1 changed files with 69 additions and 4 deletions
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73
pcbnew/class_pad.cpp
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@ -123,12 +123,77 @@ int D_PAD::boundingRadius() const
EDA_RECT D_PAD::GetBoundingBox() const
{
EDA_RECT area;
wxPoint quadrant1, quadrant2, quadrant3, quadrant4;
int x, y, dx, dy;
// radius of pad area, enclosed in minimum sized circle
int radius = boundingRadius();
switch( GetShape() )
{
case PAD_CIRCLE:
area.SetOrigin( m_Pos );
area.Inflate( m_Size.x / 2 );
break;
area.SetOrigin( m_Pos );
area.Inflate( radius );
case PAD_OVAL:
//Use the maximal two most distant points and track their rotation
// (utilise symmetry to avoid four points)
quadrant1.x = m_Size.x/2;
quadrant1.y = 0;
quadrant2.x = 0;
quadrant2.y = m_Size.y/2;
RotatePoint( &quadrant1, m_Orient );
RotatePoint( &quadrant2, m_Orient );
dx = std::max( std::abs( quadrant1.x ) , std::abs( quadrant2.x ) );
dy = std::max( std::abs( quadrant1.y ) , std::abs( quadrant2.y ) );
area.SetOrigin( m_Pos.x-dx, m_Pos.y-dy );
area.SetSize( 2*dx, 2*dy );
break;
break;
case PAD_RECT:
//Use two corners and track their rotation
// (utilise symmetry to avoid four points)
quadrant1.x = m_Size.x/2;
quadrant1.y = m_Size.y/2;
quadrant2.x = -m_Size.x/2;
quadrant2.y = m_Size.y/2;
RotatePoint( &quadrant1, m_Orient );
RotatePoint( &quadrant2, m_Orient );
dx = std::max( std::abs( quadrant1.x ) , std::abs( quadrant2.x ) );
dy = std::max( std::abs( quadrant1.y ) , std::abs( quadrant2.y ) );
area.SetOrigin( m_Pos.x-dx, m_Pos.y-dy );
area.SetSize( 2*dx, 2*dy );
break;
case PAD_TRAPEZOID:
//Use the four corners and track their rotation
// (Trapezoids will not be symmetric)
quadrant1.x = (m_Size.x + m_DeltaSize.y)/2;
quadrant1.y = (m_Size.y - m_DeltaSize.x)/2;
quadrant2.x = -(m_Size.x + m_DeltaSize.y)/2;
quadrant2.y = (m_Size.y + m_DeltaSize.x)/2;
quadrant3.x = -(m_Size.x - m_DeltaSize.y)/2;
quadrant3.y = -(m_Size.y + m_DeltaSize.x)/2;
quadrant4.x = (m_Size.x - m_DeltaSize.y)/2;
quadrant4.y = -(m_Size.y - m_DeltaSize.x)/2;
RotatePoint( &quadrant1, m_Orient );
RotatePoint( &quadrant2, m_Orient );
RotatePoint( &quadrant3, m_Orient );
RotatePoint( &quadrant4, m_Orient );
x = std::min( quadrant1.x, std::min( quadrant2.x, std::min( quadrant3.x, quadrant4.x) ) );
y = std::min( quadrant1.y, std::min( quadrant2.y, std::min( quadrant3.y, quadrant4.y) ) );
dx = std::max( quadrant1.x, std::max( quadrant2.x, std::max( quadrant3.x, quadrant4.x) ) );
dy = std::max( quadrant1.y, std::max( quadrant2.y, std::max( quadrant3.y, quadrant4.y) ) );
area.SetOrigin( m_Pos.x+x, m_Pos.y+y );
area.SetSize( dx-x, dy-y );
break;
default:
break;
}
return area;
}