758 lines
26 KiB
C++
758 lines
26 KiB
C++
/*
|
|
* This program source code file is part of KiCad, a free EDA CAD application.
|
|
*
|
|
* Copyright (C) 2009-2021 Jean-Pierre Charras, jp.charras at wanadoo.fr
|
|
* Copyright (C) 1992-2021 KiCad Developers, see AUTHORS.txt for contributors.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, you may find one here:
|
|
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
|
|
* or you may search the http://www.gnu.org website for the version 2 license,
|
|
* or you may write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#include <vector>
|
|
#include <bezier_curves.h>
|
|
#include <board_design_settings.h>
|
|
#include <trigo.h>
|
|
#include <board.h>
|
|
#include <pad.h>
|
|
#include <pcb_dimension.h>
|
|
#include <pcb_track.h>
|
|
#include <string_utils.h>
|
|
#include <pcb_shape.h>
|
|
#include <pcb_text.h>
|
|
#include <zone.h>
|
|
#include <footprint.h>
|
|
#include <fp_shape.h>
|
|
#include <convert_basic_shapes_to_polygon.h>
|
|
#include <geometry/geometry_utils.h>
|
|
#include <geometry/shape_segment.h>
|
|
#include <geometry/shape_circle.h>
|
|
#include <geometry/shape_rect.h>
|
|
#include <geometry/shape_line_chain.h>
|
|
|
|
|
|
// A helper struct for the callback function
|
|
// These variables are parameters used in addTextSegmToPoly.
|
|
// But addTextSegmToPoly is a call-back function,
|
|
// so we cannot send them as arguments.
|
|
struct TSEGM_2_POLY_PRMS
|
|
{
|
|
int m_textWidth;
|
|
int m_error;
|
|
SHAPE_POLY_SET* m_cornerBuffer;
|
|
};
|
|
|
|
|
|
TSEGM_2_POLY_PRMS prms;
|
|
|
|
|
|
// This is a call back function, used by GRText to draw the 3D text shape:
|
|
static void addTextSegmToPoly( int x0, int y0, int xf, int yf, void* aData )
|
|
{
|
|
TSEGM_2_POLY_PRMS* prm = static_cast<TSEGM_2_POLY_PRMS*>( aData );
|
|
TransformOvalToPolygon( *prm->m_cornerBuffer, wxPoint( x0, y0 ), wxPoint( xf, yf ),
|
|
prm->m_textWidth, prm->m_error, ERROR_INSIDE );
|
|
}
|
|
|
|
|
|
void BOARD::ConvertBrdLayerToPolygonalContours( PCB_LAYER_ID aLayer,
|
|
SHAPE_POLY_SET& aOutlines ) const
|
|
{
|
|
int maxError = GetDesignSettings().m_MaxError;
|
|
|
|
// convert tracks and vias:
|
|
for( const PCB_TRACK* track : m_tracks )
|
|
{
|
|
if( !track->IsOnLayer( aLayer ) )
|
|
continue;
|
|
|
|
track->TransformShapeWithClearanceToPolygon( aOutlines, aLayer, 0, maxError,
|
|
ERROR_INSIDE );
|
|
}
|
|
|
|
// convert pads and other copper items in footprints
|
|
for( const FOOTPRINT* footprint : m_footprints )
|
|
{
|
|
footprint->TransformPadsWithClearanceToPolygon( aOutlines, aLayer, 0, maxError,
|
|
ERROR_INSIDE );
|
|
|
|
// Micro-wave footprints may have items on copper layers
|
|
footprint->TransformFPShapesWithClearanceToPolygon( aOutlines, aLayer, 0, maxError,
|
|
ERROR_INSIDE,
|
|
true, /* include text */
|
|
true /* include shapes */ );
|
|
|
|
for( const ZONE* zone : footprint->Zones() )
|
|
{
|
|
if( zone->GetLayerSet().test( aLayer ) )
|
|
zone->TransformSolidAreasShapesToPolygon( aLayer, aOutlines );
|
|
}
|
|
}
|
|
|
|
// convert copper zones
|
|
for( const ZONE* zone : Zones() )
|
|
{
|
|
if( zone->GetLayerSet().test( aLayer ) )
|
|
zone->TransformSolidAreasShapesToPolygon( aLayer, aOutlines );
|
|
}
|
|
|
|
// convert graphic items on copper layers (texts)
|
|
for( const BOARD_ITEM* item : m_drawings )
|
|
{
|
|
if( !item->IsOnLayer( aLayer ) )
|
|
continue;
|
|
|
|
switch( item->Type() )
|
|
{
|
|
case PCB_SHAPE_T:
|
|
{
|
|
const PCB_SHAPE* shape = static_cast<const PCB_SHAPE*>( item );
|
|
shape->TransformShapeWithClearanceToPolygon( aOutlines, aLayer, 0, maxError,
|
|
ERROR_INSIDE );
|
|
break;
|
|
}
|
|
|
|
case PCB_TEXT_T:
|
|
{
|
|
const PCB_TEXT* text = static_cast<const PCB_TEXT*>( item );
|
|
text->TransformTextShapeWithClearanceToPolygon( aOutlines, aLayer, 0, maxError,
|
|
ERROR_INSIDE );
|
|
break;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void FOOTPRINT::TransformPadsWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
PCB_LAYER_ID aLayer, int aClearance,
|
|
int aMaxError, ERROR_LOC aErrorLoc,
|
|
bool aSkipNPTHPadsWihNoCopper,
|
|
bool aSkipPlatedPads,
|
|
bool aSkipNonPlatedPads ) const
|
|
{
|
|
for( const PAD* pad : m_pads )
|
|
{
|
|
if( aLayer != UNDEFINED_LAYER && !pad->IsOnLayer(aLayer) )
|
|
continue;
|
|
|
|
if( !pad->FlashLayer( aLayer ) && IsCopperLayer( aLayer ) )
|
|
continue;
|
|
|
|
// NPTH pads are not drawn on layers if the shape size and pos is the same
|
|
// as their hole:
|
|
if( aSkipNPTHPadsWihNoCopper && pad->GetAttribute() == PAD_ATTRIB::NPTH )
|
|
{
|
|
if( pad->GetDrillSize() == pad->GetSize() && pad->GetOffset() == wxPoint( 0, 0 ) )
|
|
{
|
|
switch( pad->GetShape() )
|
|
{
|
|
case PAD_SHAPE::CIRCLE:
|
|
if( pad->GetDrillShape() == PAD_DRILL_SHAPE_CIRCLE )
|
|
continue;
|
|
|
|
break;
|
|
|
|
case PAD_SHAPE::OVAL:
|
|
if( pad->GetDrillShape() != PAD_DRILL_SHAPE_CIRCLE )
|
|
continue;
|
|
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
const bool isPlated = ( ( aLayer == F_Cu ) && pad->FlashLayer( F_Mask ) ) ||
|
|
( ( aLayer == B_Cu ) && pad->FlashLayer( B_Mask ) );
|
|
|
|
if( aSkipPlatedPads && isPlated )
|
|
continue;
|
|
|
|
if( aSkipNonPlatedPads && !isPlated )
|
|
continue;
|
|
|
|
wxSize clearance( aClearance, aClearance );
|
|
|
|
switch( aLayer )
|
|
{
|
|
case F_Mask:
|
|
case B_Mask:
|
|
clearance.x += pad->GetSolderMaskMargin();
|
|
clearance.y += pad->GetSolderMaskMargin();
|
|
break;
|
|
|
|
case F_Paste:
|
|
case B_Paste:
|
|
clearance += pad->GetSolderPasteMargin();
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
// Our standard TransformShapeWithClearanceToPolygon() routines can't handle differing
|
|
// x:y clearance values (which get generated when a relative paste margin is used with
|
|
// an oblong pad). So we apply this huge hack and fake a larger pad to run the transform
|
|
// on.
|
|
// Of course being a hack it falls down when dealing with custom shape pads (where the
|
|
// size is only the size of the anchor), so for those we punt and just use clearance.x.
|
|
|
|
if( ( clearance.x < 0 || clearance.x != clearance.y )
|
|
&& pad->GetShape() != PAD_SHAPE::CUSTOM )
|
|
{
|
|
PAD dummy( *pad );
|
|
dummy.SetSize( pad->GetSize() + clearance + clearance );
|
|
dummy.TransformShapeWithClearanceToPolygon( aCornerBuffer, aLayer, 0,
|
|
aMaxError, aErrorLoc );
|
|
}
|
|
else
|
|
{
|
|
pad->TransformShapeWithClearanceToPolygon( aCornerBuffer, aLayer, clearance.x,
|
|
aMaxError, aErrorLoc );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Generate shapes of graphic items (outlines) as polygons added to a buffer.
|
|
* @aCornerBuffer = the buffer to store polygons
|
|
* @aInflateValue = a value to inflate shapes
|
|
* @aError = the maximum error to allow when approximating curves with segments
|
|
* @aIncludeText = indicates footprint text items (reference, value, etc.) should be included
|
|
* in the outline
|
|
*/
|
|
void FOOTPRINT::TransformFPShapesWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
PCB_LAYER_ID aLayer, int aClearance,
|
|
int aError, ERROR_LOC aErrorLoc,
|
|
bool aIncludeText,
|
|
bool aIncludeShapes ) const
|
|
{
|
|
std::vector<FP_TEXT*> texts; // List of FP_TEXT to convert
|
|
|
|
for( BOARD_ITEM* item : GraphicalItems() )
|
|
{
|
|
if( item->Type() == PCB_FP_TEXT_T && aIncludeText )
|
|
{
|
|
FP_TEXT* text = static_cast<FP_TEXT*>( item );
|
|
|
|
if( aLayer != UNDEFINED_LAYER && text->GetLayer() == aLayer && text->IsVisible() )
|
|
texts.push_back( text );
|
|
}
|
|
|
|
if( item->Type() == PCB_FP_SHAPE_T && aIncludeShapes )
|
|
{
|
|
const FP_SHAPE* outline = static_cast<FP_SHAPE*>( item );
|
|
|
|
if( aLayer != UNDEFINED_LAYER && outline->GetLayer() == aLayer )
|
|
{
|
|
outline->TransformShapeWithClearanceToPolygon( aCornerBuffer, aLayer, 0,
|
|
aError, aErrorLoc );
|
|
}
|
|
}
|
|
}
|
|
|
|
if( aIncludeText )
|
|
{
|
|
if( Reference().GetLayer() == aLayer && Reference().IsVisible() )
|
|
texts.push_back( &Reference() );
|
|
|
|
if( Value().GetLayer() == aLayer && Value().IsVisible() )
|
|
texts.push_back( &Value() );
|
|
}
|
|
|
|
for( const FP_TEXT* text : texts )
|
|
{
|
|
text->TransformTextShapeWithClearanceToPolygon( aCornerBuffer, aLayer, aClearance,
|
|
aError, aErrorLoc );
|
|
}
|
|
}
|
|
|
|
|
|
void FP_TEXT::TransformTextShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
PCB_LAYER_ID aLayer, int aClearance,
|
|
int aError, ERROR_LOC aErrorLoc ) const
|
|
{
|
|
prms.m_cornerBuffer = &aCornerBuffer;
|
|
prms.m_textWidth = GetEffectiveTextPenWidth() + ( 2 * aClearance );
|
|
prms.m_error = aError;
|
|
wxSize size = GetTextSize();
|
|
int penWidth = GetEffectiveTextPenWidth();
|
|
|
|
if( IsMirrored() )
|
|
size.x = -size.x;
|
|
|
|
GRText( nullptr, GetTextPos(), BLACK, GetShownText(), GetDrawRotation(), size,
|
|
GetHorizJustify(), GetVertJustify(), penWidth, IsItalic(), IsBold(),
|
|
addTextSegmToPoly, &prms );
|
|
}
|
|
|
|
|
|
void FP_TEXT::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
PCB_LAYER_ID aLayer, int aClearance,
|
|
int aError, ERROR_LOC aErrorLoc,
|
|
bool aIgnoreLineWidth ) const
|
|
{
|
|
SHAPE_POLY_SET buffer;
|
|
EDA_TEXT::TransformBoundingBoxWithClearanceToPolygon( &buffer, aClearance );
|
|
|
|
const FOOTPRINT* parentFootprint = static_cast<const FOOTPRINT*>( m_parent );
|
|
|
|
if( parentFootprint )
|
|
buffer.Rotate( DECIDEG2RAD( GetDrawRotation() ), GetTextPos() );
|
|
|
|
aCornerBuffer.Append( buffer );
|
|
}
|
|
|
|
|
|
void ZONE::TransformSolidAreasShapesToPolygon( PCB_LAYER_ID aLayer, SHAPE_POLY_SET& aCornerBuffer,
|
|
int aError ) const
|
|
{
|
|
if( !m_FilledPolysList.count( aLayer ) || m_FilledPolysList.at( aLayer ).IsEmpty() )
|
|
return;
|
|
|
|
// Just add filled areas if filled polygons outlines have no thickness
|
|
if( !GetFilledPolysUseThickness() || GetMinThickness() == 0 )
|
|
{
|
|
const SHAPE_POLY_SET& polys = m_FilledPolysList.at( aLayer );
|
|
aCornerBuffer.Append( polys );
|
|
return;
|
|
}
|
|
|
|
// Filled areas have polygons with outline thickness.
|
|
// we must create the polygons and add inflated polys
|
|
SHAPE_POLY_SET polys = m_FilledPolysList.at( aLayer );
|
|
|
|
auto board = GetBoard();
|
|
int maxError = ARC_HIGH_DEF;
|
|
|
|
if( board )
|
|
maxError = board->GetDesignSettings().m_MaxError;
|
|
|
|
int numSegs = GetArcToSegmentCount( GetMinThickness(), maxError, 360.0 );
|
|
|
|
polys.InflateWithLinkedHoles( GetMinThickness()/2, numSegs, SHAPE_POLY_SET::PM_FAST );
|
|
|
|
aCornerBuffer.Append( polys );
|
|
}
|
|
|
|
|
|
void EDA_TEXT::TransformBoundingBoxWithClearanceToPolygon( SHAPE_POLY_SET* aCornerBuffer,
|
|
int aClearanceValue ) const
|
|
{
|
|
if( GetText().Length() == 0 )
|
|
return;
|
|
|
|
wxPoint corners[4]; // Buffer of polygon corners
|
|
|
|
EDA_RECT rect = GetTextBox();
|
|
rect.Inflate( aClearanceValue + Millimeter2iu( DEFAULT_TEXT_WIDTH ) );
|
|
corners[0].x = rect.GetOrigin().x;
|
|
corners[0].y = rect.GetOrigin().y;
|
|
corners[1].y = corners[0].y;
|
|
corners[1].x = rect.GetRight();
|
|
corners[2].x = corners[1].x;
|
|
corners[2].y = rect.GetBottom();
|
|
corners[3].y = corners[2].y;
|
|
corners[3].x = corners[0].x;
|
|
|
|
aCornerBuffer->NewOutline();
|
|
|
|
for( wxPoint& corner : corners )
|
|
{
|
|
// Rotate polygon
|
|
RotatePoint( &corner.x, &corner.y, GetTextPos().x, GetTextPos().y, GetTextAngle() );
|
|
aCornerBuffer->Append( corner.x, corner.y );
|
|
}
|
|
}
|
|
|
|
|
|
void PCB_TEXT::TransformTextShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
PCB_LAYER_ID aLayer, int aClearanceValue,
|
|
int aError, ERROR_LOC aErrorLoc ) const
|
|
{
|
|
wxSize size = GetTextSize();
|
|
|
|
if( IsMirrored() )
|
|
size.x = -size.x;
|
|
|
|
int penWidth = GetEffectiveTextPenWidth();
|
|
|
|
prms.m_cornerBuffer = &aCornerBuffer;
|
|
prms.m_textWidth = GetEffectiveTextPenWidth() + ( 2 * aClearanceValue );
|
|
prms.m_error = aError;
|
|
COLOR4D color; // not actually used, but needed by GRText
|
|
|
|
GRText( nullptr, GetTextPos(), color, GetShownText(), GetTextAngle(), size, GetHorizJustify(),
|
|
GetVertJustify(), penWidth, IsItalic(), IsBold(), addTextSegmToPoly, &prms );
|
|
}
|
|
|
|
|
|
void PCB_TEXT::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
PCB_LAYER_ID aLayer, int aClearance,
|
|
int aError, ERROR_LOC aErrorLoc,
|
|
bool aIgnoreLineWidth ) const
|
|
{
|
|
EDA_TEXT::TransformBoundingBoxWithClearanceToPolygon( &aCornerBuffer, aClearance );
|
|
}
|
|
|
|
|
|
void PCB_SHAPE::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
PCB_LAYER_ID aLayer, int aClearanceValue,
|
|
int aError, ERROR_LOC aErrorLoc,
|
|
bool ignoreLineWidth ) const
|
|
{
|
|
int width = ignoreLineWidth ? 0 : m_width;
|
|
|
|
width += 2 * aClearanceValue;
|
|
|
|
switch( m_shape )
|
|
{
|
|
case SHAPE_T::CIRCLE:
|
|
if( IsFilled() )
|
|
{
|
|
TransformCircleToPolygon( aCornerBuffer, GetCenter(), GetRadius() + width / 2, aError,
|
|
aErrorLoc );
|
|
}
|
|
else
|
|
{
|
|
TransformRingToPolygon( aCornerBuffer, GetCenter(), GetRadius(), width, aError,
|
|
aErrorLoc );
|
|
}
|
|
|
|
break;
|
|
|
|
case SHAPE_T::RECT:
|
|
{
|
|
std::vector<wxPoint> pts = GetRectCorners();
|
|
|
|
if( IsFilled() )
|
|
{
|
|
aCornerBuffer.NewOutline();
|
|
|
|
for( const wxPoint& pt : pts )
|
|
aCornerBuffer.Append( pt );
|
|
}
|
|
|
|
if( width > 0 || !IsFilled() )
|
|
{
|
|
// Add in segments
|
|
TransformOvalToPolygon( aCornerBuffer, pts[0], pts[1], width, aError, aErrorLoc );
|
|
TransformOvalToPolygon( aCornerBuffer, pts[1], pts[2], width, aError, aErrorLoc );
|
|
TransformOvalToPolygon( aCornerBuffer, pts[2], pts[3], width, aError, aErrorLoc );
|
|
TransformOvalToPolygon( aCornerBuffer, pts[3], pts[0], width, aError, aErrorLoc );
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case SHAPE_T::ARC:
|
|
TransformArcToPolygon( aCornerBuffer, GetArcStart(), GetArcMid(), GetArcEnd(), width,
|
|
aError, aErrorLoc );
|
|
break;
|
|
|
|
case SHAPE_T::SEGMENT:
|
|
TransformOvalToPolygon( aCornerBuffer, m_start, m_end, width, aError, aErrorLoc );
|
|
break;
|
|
|
|
case SHAPE_T::POLY:
|
|
{
|
|
if( !IsPolyShapeValid() )
|
|
break;
|
|
|
|
// The polygon is expected to be a simple polygon; not self intersecting, no hole.
|
|
FOOTPRINT* footprint = GetParentFootprint();
|
|
double orientation = footprint ? footprint->GetOrientation() : 0.0;
|
|
wxPoint offset;
|
|
|
|
if( footprint )
|
|
offset = footprint->GetPosition();
|
|
|
|
// Build the polygon with the actual position and orientation:
|
|
std::vector<wxPoint> poly;
|
|
poly = BuildPolyPointsList();
|
|
|
|
for( wxPoint& point : poly )
|
|
{
|
|
RotatePoint( &point, orientation );
|
|
point += offset;
|
|
}
|
|
|
|
if( IsFilled() )
|
|
{
|
|
aCornerBuffer.NewOutline();
|
|
|
|
for( const wxPoint& point : poly )
|
|
aCornerBuffer.Append( point.x, point.y );
|
|
}
|
|
|
|
if( width > 0 || !IsFilled() )
|
|
{
|
|
wxPoint pt1( poly[ poly.size() - 1] );
|
|
|
|
for( const wxPoint& pt2 : poly )
|
|
{
|
|
if( pt2 != pt1 )
|
|
TransformOvalToPolygon( aCornerBuffer, pt1, pt2, width, aError, aErrorLoc );
|
|
|
|
pt1 = pt2;
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case SHAPE_T::BEZIER: // 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++ )
|
|
{
|
|
TransformOvalToPolygon( aCornerBuffer, poly[ii - 1], poly[ii], width, aError,
|
|
aErrorLoc );
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
default:
|
|
wxFAIL_MSG( "PCB_SHAPE::TransformShapeWithClearanceToPolygon no implementation for "
|
|
+ SHAPE_T_asString( m_shape ) );
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
void PCB_TRACK::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
PCB_LAYER_ID aLayer, int aClearanceValue,
|
|
int aError, ERROR_LOC aErrorLoc,
|
|
bool ignoreLineWidth ) const
|
|
{
|
|
wxASSERT_MSG( !ignoreLineWidth, "IgnoreLineWidth has no meaning for tracks." );
|
|
|
|
|
|
switch( Type() )
|
|
{
|
|
case PCB_VIA_T:
|
|
{
|
|
int radius = ( m_Width / 2 ) + aClearanceValue;
|
|
TransformCircleToPolygon( aCornerBuffer, m_Start, radius, aError, aErrorLoc );
|
|
break;
|
|
}
|
|
|
|
case PCB_ARC_T:
|
|
{
|
|
const PCB_ARC* arc = static_cast<const PCB_ARC*>( this );
|
|
int width = m_Width + ( 2 * aClearanceValue );
|
|
|
|
TransformArcToPolygon( aCornerBuffer, arc->GetStart(), arc->GetMid(),
|
|
arc->GetEnd(), width, aError, aErrorLoc );
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
int width = m_Width + ( 2 * aClearanceValue );
|
|
|
|
TransformOvalToPolygon( aCornerBuffer, m_Start, m_End, width, aError, aErrorLoc );
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void PAD::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
PCB_LAYER_ID aLayer, int aClearanceValue,
|
|
int aError, ERROR_LOC aErrorLoc,
|
|
bool ignoreLineWidth ) const
|
|
{
|
|
wxASSERT_MSG( !ignoreLineWidth, "IgnoreLineWidth has no meaning for pads." );
|
|
|
|
// minimal segment count to approximate a circle to create the polygonal pad shape
|
|
// This minimal value is mainly for very small pads, like SM0402.
|
|
// Most of time pads are using the segment count given by aError value.
|
|
const int pad_min_seg_per_circle_count = 16;
|
|
double angle = m_orient;
|
|
int dx = m_size.x / 2;
|
|
int dy = m_size.y / 2;
|
|
|
|
wxPoint padShapePos = ShapePos(); // Note: for pad having a shape offset,
|
|
// the pad position is NOT the shape position
|
|
|
|
switch( GetShape() )
|
|
{
|
|
case PAD_SHAPE::CIRCLE:
|
|
case PAD_SHAPE::OVAL:
|
|
// Note: dx == dy is not guaranteed for circle pads in legacy boards
|
|
if( dx == dy || ( GetShape() == PAD_SHAPE::CIRCLE ) )
|
|
{
|
|
TransformCircleToPolygon( aCornerBuffer, padShapePos, dx + aClearanceValue, aError,
|
|
aErrorLoc, pad_min_seg_per_circle_count );
|
|
}
|
|
else
|
|
{
|
|
int half_width = std::min( dx, dy );
|
|
wxPoint delta( dx - half_width, dy - half_width );
|
|
|
|
RotatePoint( &delta, angle );
|
|
|
|
TransformOvalToPolygon( aCornerBuffer, padShapePos - delta, padShapePos + delta,
|
|
( half_width + aClearanceValue ) * 2, aError, aErrorLoc,
|
|
pad_min_seg_per_circle_count );
|
|
}
|
|
|
|
break;
|
|
|
|
case PAD_SHAPE::TRAPEZOID:
|
|
case PAD_SHAPE::RECT:
|
|
{
|
|
int ddx = GetShape() == PAD_SHAPE::TRAPEZOID ? m_deltaSize.x / 2 : 0;
|
|
int ddy = GetShape() == PAD_SHAPE::TRAPEZOID ? m_deltaSize.y / 2 : 0;
|
|
|
|
SHAPE_POLY_SET outline;
|
|
TransformTrapezoidToPolygon( outline, padShapePos, m_size, angle, ddx, ddy,
|
|
aClearanceValue, aError, aErrorLoc );
|
|
aCornerBuffer.Append( outline );
|
|
break;
|
|
}
|
|
|
|
case PAD_SHAPE::CHAMFERED_RECT:
|
|
case PAD_SHAPE::ROUNDRECT:
|
|
{
|
|
bool doChamfer = GetShape() == PAD_SHAPE::CHAMFERED_RECT;
|
|
|
|
SHAPE_POLY_SET outline;
|
|
TransformRoundChamferedRectToPolygon( outline, padShapePos, m_size, angle,
|
|
GetRoundRectCornerRadius(),
|
|
doChamfer ? GetChamferRectRatio() : 0,
|
|
doChamfer ? GetChamferPositions() : 0,
|
|
aClearanceValue, aError, aErrorLoc );
|
|
aCornerBuffer.Append( outline );
|
|
break;
|
|
}
|
|
|
|
case PAD_SHAPE::CUSTOM:
|
|
{
|
|
SHAPE_POLY_SET outline;
|
|
MergePrimitivesAsPolygon( &outline, aErrorLoc );
|
|
outline.Rotate( -DECIDEG2RAD( m_orient ) );
|
|
outline.Move( VECTOR2I( m_pos ) );
|
|
|
|
if( aClearanceValue )
|
|
{
|
|
int numSegs = std::max( GetArcToSegmentCount( aClearanceValue, aError, 360.0 ),
|
|
pad_min_seg_per_circle_count );
|
|
int clearance = aClearanceValue;
|
|
|
|
if( aErrorLoc == ERROR_OUTSIDE )
|
|
{
|
|
int actual_error = CircleToEndSegmentDeltaRadius( clearance, numSegs );
|
|
clearance += GetCircleToPolyCorrection( actual_error );
|
|
}
|
|
|
|
outline.Inflate( clearance, numSegs );
|
|
outline.Simplify( SHAPE_POLY_SET::PM_FAST );
|
|
outline.Fracture( SHAPE_POLY_SET::PM_FAST );
|
|
}
|
|
|
|
aCornerBuffer.Append( outline );
|
|
break;
|
|
}
|
|
|
|
default:
|
|
wxFAIL_MSG( "PAD::TransformShapeWithClearanceToPolygon no implementation for "
|
|
+ PAD_SHAPE_T_asString( GetShape() ) );
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
bool PAD::TransformHoleWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer, int aInflateValue,
|
|
int aError, ERROR_LOC aErrorLoc ) const
|
|
{
|
|
wxSize drillsize = GetDrillSize();
|
|
|
|
if( !drillsize.x || !drillsize.y )
|
|
return false;
|
|
|
|
const SHAPE_SEGMENT* seg = GetEffectiveHoleShape();
|
|
|
|
TransformOvalToPolygon( aCornerBuffer, (wxPoint) seg->GetSeg().A, (wxPoint) seg->GetSeg().B,
|
|
seg->GetWidth() + aInflateValue * 2, aError, aErrorLoc );
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
void ZONE::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
PCB_LAYER_ID aLayer, int aClearance, int aError,
|
|
ERROR_LOC aErrorLoc, bool aIgnoreLineWidth ) const
|
|
{
|
|
wxASSERT_MSG( !aIgnoreLineWidth, "IgnoreLineWidth has no meaning for zones." );
|
|
|
|
if( !m_FilledPolysList.count( aLayer ) )
|
|
return;
|
|
|
|
aCornerBuffer = m_FilledPolysList.at( aLayer );
|
|
|
|
int numSegs = GetArcToSegmentCount( aClearance, aError, 360.0 );
|
|
aCornerBuffer.Inflate( aClearance, numSegs );
|
|
aCornerBuffer.Simplify( SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
|
|
}
|
|
|
|
|
|
void PCB_DIMENSION_BASE::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
PCB_LAYER_ID aLayer, int aClearance,
|
|
int aError, ERROR_LOC aErrorLoc,
|
|
bool aIgnoreLineWidth ) const
|
|
{
|
|
wxASSERT_MSG( !aIgnoreLineWidth, "IgnoreLineWidth has no meaning for dimensions." );
|
|
|
|
for( const std::shared_ptr<SHAPE>& shape : m_shapes )
|
|
{
|
|
const SHAPE_CIRCLE* circle = dynamic_cast<const SHAPE_CIRCLE*>( shape.get() );
|
|
const SHAPE_SEGMENT* seg = dynamic_cast<const SHAPE_SEGMENT*>( shape.get() );
|
|
|
|
if( circle )
|
|
{
|
|
TransformCircleToPolygon( aCornerBuffer, (wxPoint) circle->GetCenter(),
|
|
circle->GetRadius() + m_lineThickness / 2 + aClearance,
|
|
aError, aErrorLoc );
|
|
}
|
|
else if( seg )
|
|
{
|
|
TransformOvalToPolygon( aCornerBuffer, (wxPoint) seg->GetSeg().A,
|
|
(wxPoint) seg->GetSeg().B, m_lineThickness + 2 * aClearance,
|
|
aError, aErrorLoc );
|
|
}
|
|
else
|
|
{
|
|
wxFAIL_MSG( "PCB_DIMENSION_BASE::TransformShapeWithClearanceToPolygon unexpected "
|
|
"shape type." );
|
|
}
|
|
}
|
|
}
|
|
|