void DXF_PLOTTER::ThickSegment( const wxPoint& aStart, const wxPoint& aEnd, int aWidth,
EDA_DRAW_MODE_T aPlotMode, void* aData )
{
if( aPlotMode == SKETCH )
{
std::vector<wxPoint> cornerList;
SHAPE_POLY_SET outlineBuffer;
TransformOvalClearanceToPolygon( outlineBuffer,
aStart, aEnd, aWidth, 32 , 1.0 );
const SHAPE_LINE_CHAIN& path = outlineBuffer.COutline(0 );
for( int jj = 0; jj < path.PointCount(); jj++ )
cornerList.push_back( wxPoint( path.CPoint( jj ).x , path.CPoint( jj ).y ) );
// Ensure the polygon is closed
if( cornerList[0] != cornerList[cornerList.size() - 1] )
cornerList.push_back( cornerList[0] );
PlotPoly( cornerList, NO_FILL );
}
else
{
MoveTo( aStart );
FinishTo( aEnd );
}
}
void TRACK::TransformShapeWithClearanceToPolygon(
SHAPE_POLY_SET& aCornerBuffer, int aClearanceValue, int aError, bool ignoreLineWidth ) const
{
wxASSERT_MSG( !ignoreLineWidth, "IgnoreLineWidth has no meaning for tracks." );
int radius = ( m_Width / 2 ) + aClearanceValue;
switch( Type() )
{
case PCB_VIA_T:
{
TransformCircleToPolygon( aCornerBuffer, m_Start, radius, aError );
}
break;
default:
TransformOvalClearanceToPolygon( aCornerBuffer, m_Start, m_End,
m_Width + ( 2 * aClearanceValue ), aError );
break;
}
}
void D_PAD::TransformShapeWithClearanceToPolygon(
SHAPE_POLY_SET& aCornerBuffer, int aClearanceValue, int aError, bool ignoreLineWidth ) const
{
wxASSERT_MSG( !ignoreLineWidth, "IgnoreLineWidth has no meaning for pads." );
double angle = m_Orient;
int dx = (m_Size.x / 2) + aClearanceValue;
int dy = (m_Size.y / 2) + aClearanceValue;
wxPoint padShapePos = ShapePos(); /* Note: for pad having a shape offset,
* the pad position is NOT the shape position */
switch( GetShape() )
{
case PAD_SHAPE_CIRCLE:
{
TransformCircleToPolygon( aCornerBuffer, padShapePos, dx, aError );
}
break;
case PAD_SHAPE_OVAL:
// An oval pad has the same shape as a segment with rounded ends
{
int width;
wxPoint shape_offset;
if( dy > dx ) // Oval pad X/Y ratio for choosing translation axis
{
shape_offset.y = dy - dx;
width = dx * 2;
}
else //if( dy <= dx )
{
shape_offset.x = dy - dx;
width = dy * 2;
}
RotatePoint( &shape_offset, angle );
wxPoint start = padShapePos - shape_offset;
wxPoint end = padShapePos + shape_offset;
TransformOvalClearanceToPolygon( aCornerBuffer, start, end, width, aError );
}
break;
case PAD_SHAPE_TRAPEZOID:
case PAD_SHAPE_RECT:
{
wxPoint corners[4];
BuildPadPolygon( corners, wxSize( 0, 0 ), angle );
SHAPE_POLY_SET outline;
outline.NewOutline();
for( int ii = 0; ii < 4; ii++ )
{
corners[ii] += padShapePos;
outline.Append( corners[ii].x, corners[ii].y );
}
int numSegs = std::max( GetArcToSegmentCount( aClearanceValue, aError, 360.0 ), 6 );
double correction = GetCircletoPolyCorrectionFactor( numSegs );
int rounding_radius = KiROUND( aClearanceValue * correction );
outline.Inflate( rounding_radius, numSegs );
aCornerBuffer.Append( outline );
}
break;
case PAD_SHAPE_CHAMFERED_RECT:
case PAD_SHAPE_ROUNDRECT:
{
SHAPE_POLY_SET outline;
int radius = GetRoundRectCornerRadius() + aClearanceValue;
int numSegs = std::max( GetArcToSegmentCount( radius, aError, 360.0 ), 6 );
double correction = GetCircletoPolyCorrectionFactor( numSegs );
int clearance = KiROUND( aClearanceValue * correction );
int rounding_radius = GetRoundRectCornerRadius() + clearance;
wxSize shapesize( m_Size );
shapesize.x += clearance * 2;
shapesize.y += clearance * 2;
bool doChamfer = GetShape() == PAD_SHAPE_CHAMFERED_RECT;
TransformRoundChamferedRectToPolygon( outline, padShapePos, shapesize, angle,
rounding_radius, doChamfer ? GetChamferRectRatio() : 0.0,
doChamfer ? GetChamferPositions() : 0, aError );
aCornerBuffer.Append( outline );
}
break;
case PAD_SHAPE_CUSTOM:
{
int numSegs = std::max( GetArcToSegmentCount( aClearanceValue, aError, 360.0 ), 6 );
double correction = GetCircletoPolyCorrectionFactor( numSegs );
int clearance = KiROUND( aClearanceValue * correction );
SHAPE_POLY_SET outline; // Will contain the corners in board coordinates
outline.Append( m_customShapeAsPolygon );
CustomShapeAsPolygonToBoardPosition( &outline, GetPosition(), GetOrientation() );
outline.Simplify( SHAPE_POLY_SET::PM_FAST );
outline.Inflate( clearance, numSegs );
outline.Fracture( SHAPE_POLY_SET::PM_FAST );
aCornerBuffer.Append( outline );
}
break;
}
}
void DRAWSEGMENT::TransformShapeWithClearanceToPolygon(
SHAPE_POLY_SET& aCornerBuffer, int aClearanceValue, int aError, bool ignoreLineWidth ) const
{
// The full width of the lines to create:
int linewidth = ignoreLineWidth ? 0 : m_Width;
linewidth += 2 * aClearanceValue;
// Creating a reliable clearance shape for circles and arcs is not so easy, due to
// the error created by segment approximation.
// for a circle this is not so hard: create a polygon from a circle slightly bigger:
// thickness = linewidth + s_error_max, and radius = initial radius + s_error_max/2
// giving a shape with a suitable internal radius and external radius
// For an arc this is more tricky: TODO
switch( m_Shape )
{
case S_CIRCLE:
TransformRingToPolygon(
aCornerBuffer, GetCenter(), GetRadius(), aError, linewidth );
break;
case S_ARC:
TransformArcToPolygon(
aCornerBuffer, GetCenter(), GetArcStart(), m_Angle, aError, linewidth );
break;
case S_SEGMENT:
TransformOvalClearanceToPolygon(
aCornerBuffer, m_Start, m_End, linewidth, aError );
break;
case S_POLYGON:
if( IsPolyShapeValid() )
{
// The polygon is expected to be a simple polygon
// not self intersecting, no hole.
MODULE* module = GetParentModule(); // NULL for items not in footprints
double orientation = module ? module->GetOrientation() : 0.0;
wxPoint offset;
if( module )
offset = module->GetPosition();
// Build the polygon with the actual position and orientation:
std::vector< wxPoint> poly;
poly = BuildPolyPointsList();
for( unsigned ii = 0; ii < poly.size(); ii++ )
{
RotatePoint( &poly[ii], orientation );
poly[ii] += offset;
}
// If the polygon is not filled, treat it as a closed set of lines
if( !IsPolygonFilled() )
{
for( size_t ii = 1; ii < poly.size(); ii++ )
{
TransformOvalClearanceToPolygon( aCornerBuffer, poly[ii - 1], poly[ii],
linewidth, aError );
}
TransformOvalClearanceToPolygon( aCornerBuffer, poly.back(), poly.front(),
linewidth, aError );
break;
}
// Generate polygons for the outline + clearance
// This code is compatible with a polygon with holes linked to external outline
// by overlapping segments.
// Insert the initial polygon:
aCornerBuffer.NewOutline();
for( unsigned ii = 0; ii < poly.size(); ii++ )
aCornerBuffer.Append( poly[ii].x, poly[ii].y );
if( linewidth ) // Add thick outlines
{
wxPoint corner1( poly[poly.size()-1] );
for( unsigned ii = 0; ii < poly.size(); ii++ )
{
wxPoint corner2( poly[ii] );
if( corner2 != corner1 )
{
TransformRoundedEndsSegmentToPolygon(
aCornerBuffer, corner1, corner2, aError, linewidth );
}
corner1 = corner2;
}
}
}
break;
case S_CURVE: // Bezier curve
{
std::vector<wxPoint> ctrlPoints = { m_Start, m_BezierC1, m_BezierC2, m_End };
BEZIER_POLY converter( ctrlPoints );
std::vector< wxPoint> poly;
converter.GetPoly( poly, m_Width );
for( unsigned ii = 1; ii < poly.size(); ii++ )
{
TransformRoundedEndsSegmentToPolygon(
aCornerBuffer, poly[ii - 1], poly[ii], aError, linewidth );
}
}
break;
default:
break;
}
}
