SHAPE_LINE_CHAIN dragCornerInternal( const SHAPE_LINE_CHAIN& aOrigin, const VECTOR2I& aP )
{
optional<SHAPE_LINE_CHAIN> picked;
int i;
int d = 2;
if( aOrigin.CSegment( -1 ).Length() > 100000 * 30 ) // fixme: constant/parameter?
d = 1;
for( i = aOrigin.SegmentCount() - d; i >= 0; i-- )
{
DIRECTION_45 d_start ( aOrigin.CSegment( i ) );
VECTOR2I p_start = aOrigin.CPoint( i );
SHAPE_LINE_CHAIN paths[2];
DIRECTION_45 dirs[2];
DIRECTION_45 d_prev = ( i > 0 ? DIRECTION_45( aOrigin.CSegment( i - 1 ) ) : DIRECTION_45() );
for( int j = 0; j < 2; j++ )
{
paths[j] = d_start.BuildInitialTrace( p_start, aP, j );
dirs[j] = DIRECTION_45( paths[j].CSegment( 0 ) );
}
for( int j = 0; j < 2; j++ )
{
if( dirs[j] == d_start )
{
picked = paths[j];
break;
}
}
if( picked )
break;
for( int j = 0; j < 2; j++ )
{
if( dirs[j].IsObtuse( d_prev ) )
{
picked = paths[j];
break;
}
}
if( picked )
break;
}
if( picked )
{
SHAPE_LINE_CHAIN path = aOrigin.Slice( 0, i );
path.Append( *picked );
return path;
}
return DIRECTION_45().BuildInitialTrace( aOrigin.CPoint( 0 ), aP, true );
}
static void polygon_Convert( const SHAPE_LINE_CHAIN &aPath,
SEGMENTS &aOutSegment,
float aBiuTo3DunitsScale )
{
aOutSegment.resize( aPath.PointCount() );
for( int j = 0; j < aPath.PointCount(); j++ )
{
const VECTOR2I &a = aPath.CPoint( j );
aOutSegment[j].m_Start = SFVEC2F( (float) a.x * aBiuTo3DunitsScale,
(float)-a.y * aBiuTo3DunitsScale );
}
unsigned int i;
unsigned int j = aOutSegment.size () - 1;
for( i = 0; i < aOutSegment.size (); j = i++ )
{
// Calculate constants for each segment
aOutSegment[i].m_inv_JY_minus_IY = 1.0f / ( aOutSegment[j].m_Start.y -
aOutSegment[i].m_Start.y );
aOutSegment[i].m_JX_minus_IX = (aOutSegment[j].m_Start.x -
aOutSegment[i].m_Start.x);
}
}
bool PNS_LINE_PLACER::buildInitialLine( const VECTOR2I& aP, PNS_LINE& aHead )
{
SHAPE_LINE_CHAIN l;
if( m_p_start == aP )
{
l.Clear();
}
else
{
if( Settings().GetFreeAngleMode() && Settings().Mode() == RM_MarkObstacles )
{
l = SHAPE_LINE_CHAIN( m_p_start, aP );
}
else
{
l = m_direction.BuildInitialTrace( m_p_start, aP );
}
if( l.SegmentCount() > 1 && m_orthoMode )
{
VECTOR2I newLast = l.CSegment( 0 ).LineProject( l.CPoint( -1 ) );
l.Remove( -1, -1 );
l.Point( 1 ) = newLast;
}
}
aHead.SetShape( l );
if( !m_placingVia )
return true;
PNS_VIA v( makeVia( aP ) );
v.SetNet( aHead.Net() );
if( m_currentMode == RM_MarkObstacles )
{
aHead.AppendVia( v );
return true;
}
VECTOR2I force;
VECTOR2I lead = aP - m_p_start;
bool solidsOnly = ( m_currentMode != RM_Walkaround );
if( v.PushoutForce( m_currentNode, lead, force, solidsOnly, 40 ) )
{
SHAPE_LINE_CHAIN line = m_direction.BuildInitialTrace( m_p_start, aP + force );
aHead = PNS_LINE( aHead, line );
v.SetPos( v.Pos() + force );
return true;
}
return false; // via placement unsuccessful
}
const ClipperLib::Path SHAPE_POLY_SET::convert( const SHAPE_LINE_CHAIN& aPath )
{
Path c_path;
for(int i = 0; i < aPath.PointCount(); i++)
{
const VECTOR2I& vertex = aPath.CPoint(i);
c_path.push_back(ClipperLib::IntPoint ( vertex.x, vertex.y ) );
}
return c_path;
}
void CLAYER_TRIANGLES::AddToMiddleContourns( const SHAPE_LINE_CHAIN &outlinePath,
float zBot,
float zTop,
double aBiuTo3Du,
bool aInvertFaceDirection )
{
std::vector< SFVEC2F >contournPoints;
contournPoints.clear();
contournPoints.reserve( outlinePath.PointCount() + 2 );
const VECTOR2I &firstV = outlinePath.CPoint( 0 );
SFVEC2F lastV = SFVEC2F( firstV.x * aBiuTo3Du,
-firstV.y * aBiuTo3Du );
contournPoints.push_back( lastV );
for( unsigned int i = 1; i < (unsigned int)outlinePath.PointCount(); ++i )
{
const VECTOR2I & v = outlinePath.CPoint( i );
const SFVEC2F vf = SFVEC2F( v.x * aBiuTo3Du,
-v.y * aBiuTo3Du );
if( vf != lastV ) // Do not add repeated points
{
lastV = vf;
contournPoints.push_back( vf );
}
}
// Add first position fo the list to close the path
if( lastV != contournPoints[0] )
contournPoints.push_back( contournPoints[0] );
AddToMiddleContourns( contournPoints, zBot, zTop, aInvertFaceDirection );
}
void PNS_MEANDER_SHAPE::arc( int aRadius, bool aSide )
{
if( aRadius <= 0 )
{
turn( aSide ? -90 : 90 );
return;
}
VECTOR2D dir = m_currentDir.Resize( (double) aRadius );
SHAPE_LINE_CHAIN arc = circleQuad( m_currentPos, dir, aSide );
m_currentPos = arc.CPoint( -1 );
m_currentDir = dir.Rotate( aSide ? -M_PI / 2.0 : M_PI / 2.0 );
m_currentTarget->Append ( arc );
}
const Path SHAPE_POLY_SET::convertToClipper( const SHAPE_LINE_CHAIN& aPath, bool aRequiredOrientation )
{
Path c_path;
for( int i = 0; i < aPath.PointCount(); i++ )
{
const VECTOR2I& vertex = aPath.CPoint( i );
c_path.push_back( IntPoint( vertex.x, vertex.y ) );
}
if( Orientation( c_path ) != aRequiredOrientation )
ReversePath( c_path );
return c_path;
}
SHAPE_LINE_CHAIN PNS_MEANDER_SHAPE::genMeanderShape( VECTOR2D aP, VECTOR2D aDir,
bool aSide, PNS_MEANDER_TYPE aType, int aAmpl, int aBaselineOffset )
{
const PNS_MEANDER_SETTINGS& st = Settings();
int cr = cornerRadius();
int offset = aBaselineOffset;
int spc = spacing();
if( aSide )
offset *= -1;
VECTOR2D dir_u_b( aDir.Resize( offset ) );
VECTOR2D dir_v_b( dir_u_b.Perpendicular() );
if( 2 * cr > aAmpl )
{
cr = aAmpl / 2;
}
if( 2 * cr > spc )
{
cr = spc / 2;
}
SHAPE_LINE_CHAIN lc;
start( &lc, aP + dir_v_b, aDir );
switch( aType )
{
case MT_EMPTY:
{
lc.Append( aP + dir_v_b + aDir );
break;
}
case MT_START:
{
arc( cr - offset, false );
uShape( aAmpl - 2 * cr + std::abs( offset ), cr + offset, spc - 2 * cr );
forward( std::min( cr - offset, cr + offset ) );
forward( std::abs( offset ) );
break;
}
case MT_FINISH:
{
start( &lc, aP - dir_u_b, aDir );
turn ( 90 );
forward( std::min( cr - offset, cr + offset ) );
forward( std::abs( offset ) );
uShape( aAmpl - 2 * cr + std::abs( offset ), cr + offset, spc - 2 * cr );
arc( cr - offset, false );
break;
}
case MT_TURN:
{
start( &lc, aP - dir_u_b, aDir );
turn( 90 );
forward( std::abs( offset ) );
uShape ( aAmpl - cr, cr + offset, spc - 2 * cr );
forward( std::abs( offset ) );
break;
}
case MT_SINGLE:
{
arc( cr - offset, false );
uShape( aAmpl - 2 * cr + std::abs( offset ), cr + offset, spc - 2 * cr );
arc( cr - offset, false );
lc.Append( aP + dir_v_b + aDir.Resize ( 2 * st.m_spacing ) );
break;
}
default:
break;
}
if( aSide )
{
SEG axis ( aP, aP + aDir );
for( int i = 0; i < lc.PointCount(); i++ )
lc.Point( i ) = reflect( lc.CPoint( i ), axis );
}
return lc;
}
void ZONE_FILLER::buildUnconnectedThermalStubsPolygonList( SHAPE_POLY_SET& aCornerBuffer,
const ZONE_CONTAINER* aZone,
const SHAPE_POLY_SET& aRawFilledArea,
double aArcCorrection,
double aRoundPadThermalRotation ) const
{
SHAPE_LINE_CHAIN spokes;
BOX2I itemBB;
VECTOR2I ptTest[4];
auto zoneBB = aRawFilledArea.BBox();
int zone_clearance = aZone->GetZoneClearance();
int biggest_clearance = m_board->GetDesignSettings().GetBiggestClearanceValue();
biggest_clearance = std::max( biggest_clearance, zone_clearance );
zoneBB.Inflate( biggest_clearance );
// half size of the pen used to draw/plot zones outlines
int pen_radius = aZone->GetMinThickness() / 2;
for( auto module : m_board->Modules() )
{
for( auto pad : module->Pads() )
{
// Rejects non-standard pads with tht-only thermal reliefs
if( aZone->GetPadConnection( pad ) == PAD_ZONE_CONN_THT_THERMAL
&& pad->GetAttribute() != PAD_ATTRIB_STANDARD )
continue;
if( aZone->GetPadConnection( pad ) != PAD_ZONE_CONN_THERMAL
&& aZone->GetPadConnection( pad ) != PAD_ZONE_CONN_THT_THERMAL )
continue;
if( !pad->IsOnLayer( aZone->GetLayer() ) )
continue;
if( pad->GetNetCode() != aZone->GetNetCode() )
continue;
// Calculate thermal bridge half width
int thermalBridgeWidth = aZone->GetThermalReliefCopperBridge( pad )
- aZone->GetMinThickness();
if( thermalBridgeWidth <= 0 )
continue;
// we need the thermal bridge half width
// with a small extra size to be sure we create a stub
// slightly larger than the actual stub
thermalBridgeWidth = ( thermalBridgeWidth + 4 ) / 2;
int thermalReliefGap = aZone->GetThermalReliefGap( pad );
itemBB = pad->GetBoundingBox();
itemBB.Inflate( thermalReliefGap );
if( !( itemBB.Intersects( zoneBB ) ) )
continue;
// Thermal bridges are like a segment from a starting point inside the pad
// to an ending point outside the pad
// calculate the ending point of the thermal pad, outside the pad
VECTOR2I endpoint;
endpoint.x = ( pad->GetSize().x / 2 ) + thermalReliefGap;
endpoint.y = ( pad->GetSize().y / 2 ) + thermalReliefGap;
// Calculate the starting point of the thermal stub
// inside the pad
VECTOR2I startpoint;
int copperThickness = aZone->GetThermalReliefCopperBridge( pad )
- aZone->GetMinThickness();
if( copperThickness < 0 )
copperThickness = 0;
// Leave a small extra size to the copper area inside to pad
copperThickness += KiROUND( IU_PER_MM * 0.04 );
startpoint.x = std::min( pad->GetSize().x, copperThickness );
startpoint.y = std::min( pad->GetSize().y, copperThickness );
startpoint.x /= 2;
startpoint.y /= 2;
// This is a CIRCLE pad tweak
// for circle pads, the thermal stubs orientation is 45 deg
double fAngle = pad->GetOrientation();
if( pad->GetShape() == PAD_SHAPE_CIRCLE )
{
endpoint.x = KiROUND( endpoint.x * aArcCorrection );
endpoint.y = endpoint.x;
fAngle = aRoundPadThermalRotation;
}
// contour line width has to be taken into calculation to avoid "thermal stub bleed"
endpoint.x += pen_radius;
endpoint.y += pen_radius;
// compute north, south, west and east points for zone connection.
ptTest[0] = VECTOR2I( 0, endpoint.y ); // lower point
ptTest[1] = VECTOR2I( 0, -endpoint.y ); // upper point
ptTest[2] = VECTOR2I( endpoint.x, 0 ); // right point
ptTest[3] = VECTOR2I( -endpoint.x, 0 ); // left point
// Test all sides
for( int i = 0; i < 4; i++ )
{
// rotate point
RotatePoint( ptTest[i], fAngle );
// translate point
ptTest[i] += pad->ShapePos();
if( aRawFilledArea.Contains( ptTest[i] ) )
continue;
spokes.Clear();
// polygons are rectangles with width of copper bridge value
switch( i )
{
case 0: // lower stub
spokes.Append( -thermalBridgeWidth, endpoint.y );
spokes.Append( +thermalBridgeWidth, endpoint.y );
spokes.Append( +thermalBridgeWidth, startpoint.y );
spokes.Append( -thermalBridgeWidth, startpoint.y );
break;
case 1: // upper stub
spokes.Append( -thermalBridgeWidth, -endpoint.y );
spokes.Append( +thermalBridgeWidth, -endpoint.y );
spokes.Append( +thermalBridgeWidth, -startpoint.y );
spokes.Append( -thermalBridgeWidth, -startpoint.y );
break;
case 2: // right stub
spokes.Append( endpoint.x, -thermalBridgeWidth );
spokes.Append( endpoint.x, thermalBridgeWidth );
spokes.Append( +startpoint.x, thermalBridgeWidth );
spokes.Append( +startpoint.x, -thermalBridgeWidth );
break;
case 3: // left stub
spokes.Append( -endpoint.x, -thermalBridgeWidth );
spokes.Append( -endpoint.x, thermalBridgeWidth );
spokes.Append( -startpoint.x, thermalBridgeWidth );
spokes.Append( -startpoint.x, -thermalBridgeWidth );
break;
}
aCornerBuffer.NewOutline();
// add computed polygon to list
for( int ic = 0; ic < spokes.PointCount(); ic++ )
{
auto cpos = spokes.CPoint( ic );
RotatePoint( cpos, fAngle ); // Rotate according to module orientation
cpos += pad->ShapePos(); // Shift origin to position
aCornerBuffer.Append( cpos );
}
}
}
}
}
/**
* Function OuputOnePolygon
* write one polygon to output file.
* Polygon coordinates are expected scaled by the polygon extraction function
*/
void BITMAPCONV_INFO::OuputOnePolygon( SHAPE_LINE_CHAIN & aPolygon, const char* aBrdLayerName )
{
int ii, jj;
VECTOR2I currpoint;
int offsetX = (int)( m_PixmapWidth / 2 * m_ScaleX );
int offsetY = (int)( m_PixmapHeight / 2 * m_ScaleY );
const VECTOR2I startpoint = aPolygon.CPoint( 0 );
switch( m_Format )
{
case POSTSCRIPT_FMT:
offsetY = (int)( m_PixmapHeight * m_ScaleY );
fprintf( m_Outfile, "newpath\n%d %d moveto\n",
startpoint.x, offsetY - startpoint.y );
jj = 0;
for( ii = 1; ii < aPolygon.PointCount(); ii++ )
{
currpoint = aPolygon.CPoint( ii );
fprintf( m_Outfile, " %d %d lineto",
currpoint.x, offsetY - currpoint.y );
if( jj++ > 6 )
{
jj = 0;
fprintf( m_Outfile, ("\n") );
}
}
fprintf( m_Outfile, "\nclosepath fill\n" );
break;
case PCBNEW_KICAD_MOD:
{
double width = 0.01; // outline thickness in mm
fprintf( m_Outfile, " (fp_poly (pts" );
jj = 0;
for( ii = 0; ii < aPolygon.PointCount(); ii++ )
{
currpoint = aPolygon.CPoint( ii );
fprintf( m_Outfile, " (xy %f %f)",
( currpoint.x - offsetX ) / 1e6,
( currpoint.y - offsetY ) / 1e6 );
if( jj++ > 6 )
{
jj = 0;
fprintf( m_Outfile, ("\n ") );
}
}
// Close polygon
fprintf( m_Outfile, " (xy %f %f) )",
( startpoint.x - offsetX ) / 1e6, ( startpoint.y - offsetY ) / 1e6 );
fprintf( m_Outfile, "(layer %s) (width %f)\n )\n", aBrdLayerName, width );
}
break;
case KICAD_LOGO:
fprintf( m_Outfile, " (pts" );
// Internal units = micron, file unit = mm
jj = 0;
for( ii = 0; ii < aPolygon.PointCount(); ii++ )
{
currpoint = aPolygon.CPoint( ii );
fprintf( m_Outfile, " (xy %.3f %.3f)",
( currpoint.x - offsetX ) / 1e3,
( currpoint.y - offsetY ) / 1e3 );
if( jj++ > 4 )
{
jj = 0;
fprintf( m_Outfile, ("\n ") );
}
}
// Close polygon
fprintf( m_Outfile, " (xy %.3f %.3f) )\n",
( startpoint.x - offsetX ) / 1e3, ( startpoint.y - offsetY ) / 1e3 );
break;
case EESCHEMA_FMT:
fprintf( m_Outfile, "P %d 0 0 1", (int) aPolygon.PointCount() + 1 );
for( ii = 0; ii < aPolygon.PointCount(); ii++ )
{
currpoint = aPolygon.CPoint( ii );
fprintf( m_Outfile, " %d %d",
currpoint.x - offsetX, currpoint.y - offsetY );
}
// Close polygon
fprintf( m_Outfile, " %d %d",
startpoint.x - offsetX, startpoint.y - offsetY );
fprintf( m_Outfile, " F\n" );
break;
}
}
bool PNS_LINE::Walkaround( SHAPE_LINE_CHAIN aObstacle, SHAPE_LINE_CHAIN& aPre,
SHAPE_LINE_CHAIN& aWalk, SHAPE_LINE_CHAIN& aPost, bool aCw ) const
{
const SHAPE_LINE_CHAIN& line ( CLine() );
VECTOR2I ip_start;
VECTOR2I ip_end;
if( line.SegmentCount() < 1 )
return false;
if( aObstacle.PointInside( line.CPoint( 0 ) ) || aObstacle.PointInside( line.CPoint( -1 ) ) )
return false;
SHAPE_LINE_CHAIN::INTERSECTIONS ips, ips2;
line.Intersect( aObstacle, ips );
int nearest_dist = INT_MAX;
int farthest_dist = 0;
SHAPE_LINE_CHAIN::INTERSECTION nearest, farthest;
for( int i = 0; i < (int) ips.size(); i++ )
{
const VECTOR2I p = ips[i].p;
int dist = line.PathLength( p );
if( dist < 0 )
return false;
if( dist <= nearest_dist )
{
nearest_dist = dist;
nearest = ips[i];
}
if( dist >= farthest_dist )
{
farthest_dist = dist;
farthest = ips[i];
}
}
if( ips.size() <= 1 || nearest.p == farthest.p )
{
aPre = line;
return true;
}
aPre = line.Slice( 0, nearest.our.Index() );
aPre.Append( nearest.p );
aPre.Simplify();
aWalk.Clear();
aWalk.SetClosed( false );
aWalk.Append( nearest.p );
int i = nearest.their.Index();
assert( nearest.their.Index() >= 0 );
assert( farthest.their.Index() >= 0 );
assert( nearest_dist <= farthest_dist );
aObstacle.Split( nearest.p );
aObstacle.Split( farthest.p );
int i_first = aObstacle.Find( nearest.p );
int i_last = aObstacle.Find( farthest.p );
i = i_first;
while( i != i_last )
{
aWalk.Append( aObstacle.CPoint( i ) );
i += ( aCw ? 1 : -1 );
if( i < 0 )
i = aObstacle.PointCount() - 1;
else if( i == aObstacle.PointCount() )
i = 0;
}
aWalk.Append( farthest.p );
aWalk.Simplify();
aPost.Clear();
aPost.Append( farthest.p );
aPost.Append( line.Slice( farthest.our.Index() + 1, -1 ) );
aPost.Simplify();
return true;
}
bool SHAPE_POLY_SET::pointInPolygon( const VECTOR2I& aP, const SHAPE_LINE_CHAIN& aPath ) const
{
int result = 0;
int cnt = aPath.PointCount();
if ( !aPath.BBox().Contains( aP ) ) // test with bounding box first
return false;
if( cnt < 3 )
return false;
VECTOR2I ip = aPath.CPoint( 0 );
for( int i = 1; i <= cnt; ++i )
{
VECTOR2I ipNext = ( i == cnt ? aPath.CPoint( 0 ) : aPath.CPoint( i ) );
if( ipNext.y == aP.y )
{
if( ( ipNext.x == aP.x ) || ( ip.y == aP.y &&
( ( ipNext.x > aP.x ) == ( ip.x < aP.x ) ) ) )
return true;
}
if( ( ip.y < aP.y ) != ( ipNext.y < aP.y ) )
{
if( ip.x >= aP.x )
{
if( ipNext.x > aP.x )
result = 1 - result;
else
{
int64_t d = (int64_t)( ip.x - aP.x ) * (int64_t)( ipNext.y - aP.y ) -
(int64_t)( ipNext.x - aP.x ) * (int64_t)( ip.y - aP.y );
if( !d )
return true;
if( ( d > 0 ) == ( ipNext.y > ip.y ) )
result = 1 - result;
}
}
else
{
if( ipNext.x > aP.x )
{
int64_t d = (int64_t)( ip.x - aP.x ) * (int64_t)( ipNext.y - aP.y ) -
(int64_t)( ipNext.x - aP.x ) * (int64_t)( ip.y - aP.y );
if( !d )
return true;
if( ( d > 0 ) == ( ipNext.y > ip.y ) )
result = 1 - result;
}
}
}
ip = ipNext;
}
return result ? true : false;
}