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Use board maxError for teardrops.

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This commit is contained in:
Jeff Young 2025-05-12 17:23:05 +01:00
parent a65534a337
commit c2537f81b7
1 changed files with 22 additions and 15 deletions
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37
pcbnew/teardrop/teardrop_utils.cpp
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@ -217,6 +217,8 @@ void TEARDROP_MANAGER::computeCurvedForRoundShape( const TEARDROP_PARAMETERS& aP
BOARD_ITEM* aOther, const VECTOR2I& aOtherPos,
std::vector<VECTOR2I>& pts ) const
{
int maxError = m_board->GetDesignSettings().m_MaxError;
// in pts:
// A and B are points on the track ( pts[0] and pts[1] )
// C and E are points on the aViaPad ( pts[2] and pts[4] )
@ -252,7 +254,7 @@ void TEARDROP_MANAGER::computeCurvedForRoundShape( const TEARDROP_PARAMETERS& aP
VECTOR2I tangentA = VECTOR2I( pts[0].x - aTrackDir.x * biasAE, pts[0].y - aTrackDir.y * biasAE );
std::vector<VECTOR2I> curve_pts;
BEZIER_POLY( pts[1], tangentB, tangentC, pts[2] ).GetPoly( curve_pts, ARC_HIGH_DEF );
BEZIER_POLY( pts[1], tangentB, tangentC, pts[2] ).GetPoly( curve_pts, maxError );
for( VECTOR2I& corner: curve_pts )
aPoly.push_back( corner );
@ -260,7 +262,7 @@ void TEARDROP_MANAGER::computeCurvedForRoundShape( const TEARDROP_PARAMETERS& aP
aPoly.push_back( pts[3] );
curve_pts.clear();
BEZIER_POLY( pts[4], tangentE, tangentA, pts[0] ).GetPoly( curve_pts, ARC_HIGH_DEF );
BEZIER_POLY( pts[4], tangentE, tangentA, pts[0] ).GetPoly( curve_pts, maxError );
for( VECTOR2I& corner: curve_pts )
aPoly.push_back( corner );
@ -277,6 +279,8 @@ void TEARDROP_MANAGER::computeCurvedForRectShape( const TEARDROP_PARAMETERS& aPa
std::vector<VECTOR2I>& aPts,
const VECTOR2I& aIntersection) const
{
int maxError = m_board->GetDesignSettings().m_MaxError;
// in aPts:
// A and B are points on the track ( pts[0] and pts[1] )
// C and E are points on the pad/via ( pts[2] and pts[4] )
@ -295,7 +299,7 @@ void TEARDROP_MANAGER::computeCurvedForRectShape( const TEARDROP_PARAMETERS& aPa
VECTOR2I ctrl1 = aPts[1] + trackDir.Resize( side1.EuclideanNorm() / 4 );
VECTOR2I ctrl2 = ( aPts[2] + aIntersection ) / 2;
BEZIER_POLY( aPts[1], ctrl1, ctrl2, aPts[2] ).GetPoly( curve_pts, ARC_HIGH_DEF );
BEZIER_POLY( aPts[1], ctrl1, ctrl2, aPts[2] ).GetPoly( curve_pts, maxError );
for( VECTOR2I& corner: curve_pts )
aPoly.push_back( corner );
@ -308,7 +312,7 @@ void TEARDROP_MANAGER::computeCurvedForRectShape( const TEARDROP_PARAMETERS& aPa
ctrl1 = ( aPts[4] + aIntersection ) / 2;
ctrl2 = aPts[0] + trackDir.Resize( side2.EuclideanNorm() / 4 );
BEZIER_POLY( aPts[4], ctrl1, ctrl2, aPts[0] ).GetPoly( curve_pts, ARC_HIGH_DEF );
BEZIER_POLY( aPts[4], ctrl1, ctrl2, aPts[0] ).GetPoly( curve_pts, maxError );
for( VECTOR2I& corner: curve_pts )
aPoly.push_back( corner );
@ -319,6 +323,8 @@ bool TEARDROP_MANAGER::computeAnchorPoints( const TEARDROP_PARAMETERS& aParams,
BOARD_ITEM* aItem, const VECTOR2I& aPos,
std::vector<VECTOR2I>& aPts ) const
{
int maxError = m_board->GetDesignSettings().m_MaxError;
// Compute the 2 anchor points on pad/via/track of the teardrop shape
SHAPE_POLY_SET c_buffer;
@ -343,7 +349,7 @@ bool TEARDROP_MANAGER::computeAnchorPoints( const TEARDROP_PARAMETERS& aParams,
// (only reduce the size of polygonal shape does not give good anchor points)
if( IsRound( aItem, aLayer ) )
{
TransformCircleToPolygon( c_buffer, aPos, GetWidth( aItem, aLayer ) / 2, ARC_LOW_DEF,
TransformCircleToPolygon( c_buffer, aPos, GetWidth( aItem, aLayer ) / 2, maxError,
ERROR_INSIDE, 16 );
}
else // Only PADS can have a not round shape
@ -354,7 +360,7 @@ bool TEARDROP_MANAGER::computeAnchorPoints( const TEARDROP_PARAMETERS& aParams,
force_clip = true;
preferred_width = KiROUND( GetWidth( pad, aLayer ) * aParams.m_BestWidthRatio );
pad->TransformShapeToPolygon( c_buffer, aLayer, 0, ARC_LOW_DEF, ERROR_INSIDE );
pad->TransformShapeToPolygon( c_buffer, aLayer, 0, maxError, ERROR_INSIDE );
}
// Clip the pad/via/track shape to match the m_TdMaxWidth constraint, and for non-round pads,
@ -502,11 +508,12 @@ bool TEARDROP_MANAGER::findAnchorPointsOnTrack( const TEARDROP_PARAMETERS& aPara
BOARD_ITEM* aOther, const VECTOR2I& aOtherPos,
int* aEffectiveTeardropLen ) const
{
bool found = true;
VECTOR2I start = aTrack->GetStart(); // one reference point on the track, inside teardrop
VECTOR2I end = aTrack->GetEnd(); // the second reference point on the track, outside teardrop
bool found = true;
VECTOR2I start = aTrack->GetStart(); // one reference point on the track, inside teardrop
VECTOR2I end = aTrack->GetEnd(); // the second reference point on the track, outside teardrop
PCB_LAYER_ID layer = aTrack->GetLayer();
int radius = GetWidth( aOther, layer ) / 2;
int radius = GetWidth( aOther, layer ) / 2;
int maxError = m_board->GetDesignSettings().m_MaxError;
// Requested length of the teardrop:
int targetLength = KiROUND( GetWidth( aOther, layer ) * aParams.m_BestLengthRatio );
@ -515,7 +522,7 @@ bool TEARDROP_MANAGER::findAnchorPointsOnTrack( const TEARDROP_PARAMETERS& aPara
targetLength = std::min( aParams.m_TdMaxLen, targetLength );
// actualTdLen is the distance between start and the teardrop point on the segment from start to end
int actualTdLen;
int actualTdLen;
bool need_swap = false; // true if the start and end points of the current track are swapped
// aTrack is expected to have one end inside the via/pad and the other end outside
@ -530,13 +537,13 @@ bool TEARDROP_MANAGER::findAnchorPointsOnTrack( const TEARDROP_PARAMETERS& aPara
if( IsRound( aOther, layer ) )
{
TransformCircleToPolygon( shapebuffer, aOtherPos, radius, ARC_LOW_DEF, ERROR_INSIDE, 16 );
TransformCircleToPolygon( shapebuffer, aOtherPos, radius, maxError, ERROR_INSIDE, 16 );
}
else
{
wxCHECK_MSG( aOther->Type() == PCB_PAD_T, false, wxT( "Expected non-round item to be PAD" ) );
static_cast<PAD*>( aOther )->TransformShapeToPolygon( shapebuffer, aTrack->GetLayer(), 0,
ARC_LOW_DEF, ERROR_INSIDE );
maxError, ERROR_INSIDE );
}
SHAPE_LINE_CHAIN& outline = shapebuffer.Outline(0);
@ -554,7 +561,7 @@ bool TEARDROP_MANAGER::findAnchorPointsOnTrack( const TEARDROP_PARAMETERS& aPara
SHAPE_ARC arc( aTrack->GetStart(), static_cast<PCB_ARC*>( aTrack )->GetMid(),
aTrack->GetEnd(), aTrack->GetWidth() );
SHAPE_LINE_CHAIN poly = arc.ConvertToPolyline();
SHAPE_LINE_CHAIN poly = arc.ConvertToPolyline( maxError );
pt_count = outline.Intersect( poly, pts );
}
else
@ -624,7 +631,7 @@ bool TEARDROP_MANAGER::findAnchorPointsOnTrack( const TEARDROP_PARAMETERS& aPara
if( need_swap )
arc.Reverse();
SHAPE_LINE_CHAIN poly = arc.ConvertToPolyline();
SHAPE_LINE_CHAIN poly = arc.ConvertToPolyline( maxError );
// Now, find the segment of the arc at a distance < actualTdLen from ref_lenght_point.
// We just search for the first segment (starting from the farest segment) with its