830 lines
29 KiB
C++
830 lines
29 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2009-2021 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 1992-2021 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <vector>
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#include <bezier_curves.h>
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#include <trigo.h>
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#include <board.h>
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#include <pad.h>
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#include <dimension.h>
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#include <track.h>
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#include <kicad_string.h>
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#include <pcb_shape.h>
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#include <pcb_text.h>
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#include <zone.h>
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#include <footprint.h>
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#include <fp_shape.h>
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#include <convert_basic_shapes_to_polygon.h>
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#include <geometry/geometry_utils.h>
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#include <geometry/shape_segment.h>
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#include <geometry/shape_circle.h>
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#include <geometry/shape_rect.h>
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#include <geometry/shape_line_chain.h>
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// A helper struct for the callback function
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// These variables are parameters used in addTextSegmToPoly.
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// But addTextSegmToPoly is a call-back function,
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// so we cannot send them as arguments.
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struct TSEGM_2_POLY_PRMS
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{
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int m_textWidth;
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int m_error;
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SHAPE_POLY_SET* m_cornerBuffer;
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};
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TSEGM_2_POLY_PRMS prms;
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// This is a call back function, used by GRText to draw the 3D text shape:
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static void addTextSegmToPoly( int x0, int y0, int xf, int yf, void* aData )
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{
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TSEGM_2_POLY_PRMS* prm = static_cast<TSEGM_2_POLY_PRMS*>( aData );
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TransformOvalToPolygon( *prm->m_cornerBuffer, wxPoint( x0, y0 ), wxPoint( xf, yf ),
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prm->m_textWidth, prm->m_error, ERROR_INSIDE );
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}
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void BOARD::ConvertBrdLayerToPolygonalContours( PCB_LAYER_ID aLayer, SHAPE_POLY_SET& aOutlines ) const
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{
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int maxError = GetDesignSettings().m_MaxError;
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// convert tracks and vias:
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for( const TRACK* track : m_tracks )
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{
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if( !track->IsOnLayer( aLayer ) )
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continue;
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track->TransformShapeWithClearanceToPolygon( aOutlines, aLayer, 0, maxError,
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ERROR_INSIDE );
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}
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// convert pads and other copper items in footprints
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for( const FOOTPRINT* footprint : m_footprints )
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{
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footprint->TransformPadsWithClearanceToPolygon( aOutlines, aLayer, 0, maxError,
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ERROR_INSIDE );
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// Micro-wave footprints may have items on copper layers
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footprint->TransformFPShapesWithClearanceToPolygon( aOutlines, aLayer, 0, maxError,
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ERROR_INSIDE,
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true, /* include text */
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true /* include shapes */ );
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for( const ZONE* zone : footprint->Zones() )
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{
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if( zone->GetLayerSet().test( aLayer ) )
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zone->TransformSolidAreasShapesToPolygon( aLayer, aOutlines );
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}
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}
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// convert copper zones
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for( const ZONE* zone : Zones() )
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{
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if( zone->GetLayerSet().test( aLayer ) )
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zone->TransformSolidAreasShapesToPolygon( aLayer, aOutlines );
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}
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// convert graphic items on copper layers (texts)
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for( const BOARD_ITEM* item : m_drawings )
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{
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if( !item->IsOnLayer( aLayer ) )
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continue;
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switch( item->Type() )
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{
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case PCB_SHAPE_T:
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{
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const PCB_SHAPE* shape = static_cast<const PCB_SHAPE*>( item );
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shape->TransformShapeWithClearanceToPolygon( aOutlines, aLayer, 0, maxError,
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ERROR_INSIDE );
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}
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break;
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case PCB_TEXT_T:
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{
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const PCB_TEXT* text = static_cast<const PCB_TEXT*>( item );
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text->TransformTextShapeWithClearanceToPolygon( aOutlines, aLayer, 0, maxError,
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ERROR_INSIDE );
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}
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break;
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default:
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break;
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}
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}
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}
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void FOOTPRINT::TransformPadsWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
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PCB_LAYER_ID aLayer, int aClearance,
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int aMaxError, ERROR_LOC aErrorLoc,
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bool aSkipNPTHPadsWihNoCopper,
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bool aSkipPlatedPads,
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bool aSkipNonPlatedPads ) const
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{
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for( const PAD* pad : m_pads )
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{
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if( aLayer != UNDEFINED_LAYER && !pad->IsOnLayer(aLayer) )
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continue;
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if( !pad->FlashLayer( aLayer ) && IsCopperLayer( aLayer ) )
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continue;
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// NPTH pads are not drawn on layers if the shape size and pos is the same
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// as their hole:
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if( aSkipNPTHPadsWihNoCopper && pad->GetAttribute() == PAD_ATTRIB::NPTH )
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{
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if( pad->GetDrillSize() == pad->GetSize() && pad->GetOffset() == wxPoint( 0, 0 ) )
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{
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switch( pad->GetShape() )
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{
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case PAD_SHAPE::CIRCLE:
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if( pad->GetDrillShape() == PAD_DRILL_SHAPE_CIRCLE )
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continue;
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break;
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case PAD_SHAPE::OVAL:
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if( pad->GetDrillShape() != PAD_DRILL_SHAPE_CIRCLE )
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continue;
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break;
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default:
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break;
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}
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}
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}
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const bool isPlated = ( ( aLayer == F_Cu ) && pad->FlashLayer( F_Mask ) ) ||
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( ( aLayer == B_Cu ) && pad->FlashLayer( B_Mask ) );
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if( aSkipPlatedPads && isPlated )
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continue;
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if( aSkipNonPlatedPads && !isPlated )
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continue;
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wxSize clearance( aClearance, aClearance );
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switch( aLayer )
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{
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case F_Mask:
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case B_Mask:
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clearance.x += pad->GetSolderMaskMargin();
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clearance.y += pad->GetSolderMaskMargin();
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break;
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case F_Paste:
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case B_Paste:
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clearance += pad->GetSolderPasteMargin();
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break;
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default:
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break;
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}
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// Our standard TransformShapeWithClearanceToPolygon() routines can't handle differing
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// x:y clearance values (which get generated when a relative paste margin is used with
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// an oblong pad). So we apply this huge hack and fake a larger pad to run the transform
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// on.
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// Of course being a hack it falls down when dealing with custom shape pads (where the
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// size is only the size of the anchor), so for those we punt and just use clearance.x.
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if( ( clearance.x < 0 || clearance.x != clearance.y )
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&& pad->GetShape() != PAD_SHAPE::CUSTOM )
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{
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PAD dummy( *pad );
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dummy.SetSize( pad->GetSize() + clearance + clearance );
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dummy.TransformShapeWithClearanceToPolygon( aCornerBuffer, aLayer, 0,
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aMaxError, aErrorLoc );
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}
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else
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{
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pad->TransformShapeWithClearanceToPolygon( aCornerBuffer, aLayer, clearance.x,
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aMaxError, aErrorLoc );
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}
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}
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}
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/**
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* Generate shapes of graphic items (outlines) as polygons added to a buffer.
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* @aCornerBuffer = the buffer to store polygons
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* @aInflateValue = a value to inflate shapes
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* @aError = the maximum error to allow when approximating curves with segments
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* @aIncludeText = indicates footprint text items (reference, value, etc.) should be included
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* in the outline
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*/
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void FOOTPRINT::TransformFPShapesWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
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PCB_LAYER_ID aLayer, int aClearance,
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int aError, ERROR_LOC aErrorLoc,
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bool aIncludeText,
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bool aIncludeShapes ) const
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{
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std::vector<FP_TEXT*> texts; // List of FP_TEXT to convert
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for( BOARD_ITEM* item : GraphicalItems() )
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{
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if( item->Type() == PCB_FP_TEXT_T && aIncludeText )
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{
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FP_TEXT* text = static_cast<FP_TEXT*>( item );
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if( aLayer != UNDEFINED_LAYER && text->GetLayer() == aLayer && text->IsVisible() )
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texts.push_back( text );
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}
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if( item->Type() == PCB_FP_SHAPE_T && aIncludeShapes )
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{
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const FP_SHAPE* outline = static_cast<FP_SHAPE*>( item );
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if( aLayer != UNDEFINED_LAYER && outline->GetLayer() == aLayer )
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{
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outline->TransformShapeWithClearanceToPolygon( aCornerBuffer, aLayer, 0,
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aError, aErrorLoc );
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}
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}
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}
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if( aIncludeText )
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{
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if( Reference().GetLayer() == aLayer && Reference().IsVisible() )
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texts.push_back( &Reference() );
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if( Value().GetLayer() == aLayer && Value().IsVisible() )
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texts.push_back( &Value() );
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}
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for( const FP_TEXT* text : texts )
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{
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text->TransformTextShapeWithClearanceToPolygon( aCornerBuffer, aLayer, aClearance,
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aError, aErrorLoc );
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}
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}
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/**
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* Function TransformTextShapeWithClearanceToPolygon
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* Convert the text to a polygonSet describing the actual character strokes (one per segment).
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* @aCornerBuffer = SHAPE_POLY_SET to store the polygon corners
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* @aClearanceValue = the clearance around the text
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* @aError = the maximum error to allow when approximating curves
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*/
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void FP_TEXT::TransformTextShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
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PCB_LAYER_ID aLayer, int aClearance,
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int aError, ERROR_LOC aErrorLoc ) const
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{
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bool forceBold = true;
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int penWidth = 0; // force max width for bold text
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prms.m_cornerBuffer = &aCornerBuffer;
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prms.m_textWidth = GetEffectiveTextPenWidth() + ( 2 * aClearance );
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prms.m_error = aError;
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wxSize size = GetTextSize();
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if( IsMirrored() )
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size.x = -size.x;
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GRText( NULL, GetTextPos(), BLACK, GetShownText(), GetDrawRotation(), size, GetHorizJustify(),
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GetVertJustify(), penWidth, IsItalic(), forceBold, addTextSegmToPoly, &prms );
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}
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void FP_TEXT::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
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PCB_LAYER_ID aLayer, int aClearance,
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int aError, ERROR_LOC aErrorLoc,
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bool aIgnoreLineWidth ) const
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{
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EDA_TEXT::TransformBoundingBoxWithClearanceToPolygon( &aCornerBuffer, aClearance );
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}
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void ZONE::TransformSolidAreasShapesToPolygon( PCB_LAYER_ID aLayer, SHAPE_POLY_SET& aCornerBuffer,
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int aError ) const
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{
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if( !m_FilledPolysList.count( aLayer ) || m_FilledPolysList.at( aLayer ).IsEmpty() )
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return;
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// Just add filled areas if filled polygons outlines have no thickness
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if( !GetFilledPolysUseThickness() || GetMinThickness() == 0 )
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{
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const SHAPE_POLY_SET& polys = m_FilledPolysList.at( aLayer );
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aCornerBuffer.Append( polys );
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return;
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}
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// Filled areas have polygons with outline thickness.
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// we must create the polygons and add inflated polys
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SHAPE_POLY_SET polys = m_FilledPolysList.at( aLayer );
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auto board = GetBoard();
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int maxError = ARC_HIGH_DEF;
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if( board )
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maxError = board->GetDesignSettings().m_MaxError;
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int numSegs = GetArcToSegmentCount( GetMinThickness(), maxError, 360.0 );
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polys.InflateWithLinkedHoles( GetMinThickness()/2, numSegs, SHAPE_POLY_SET::PM_FAST );
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aCornerBuffer.Append( polys );
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}
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void EDA_TEXT::TransformBoundingBoxWithClearanceToPolygon( SHAPE_POLY_SET* aCornerBuffer,
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int aClearanceValue ) const
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{
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if( GetText().Length() == 0 )
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return;
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wxPoint corners[4]; // Buffer of polygon corners
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EDA_RECT rect = GetTextBox();
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rect.Inflate( aClearanceValue + Millimeter2iu( DEFAULT_TEXT_WIDTH ) );
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corners[0].x = rect.GetOrigin().x;
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corners[0].y = rect.GetOrigin().y;
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corners[1].y = corners[0].y;
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corners[1].x = rect.GetRight();
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corners[2].x = corners[1].x;
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corners[2].y = rect.GetBottom();
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corners[3].y = corners[2].y;
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corners[3].x = corners[0].x;
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aCornerBuffer->NewOutline();
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for( wxPoint& corner : corners )
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{
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// Rotate polygon
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RotatePoint( &corner.x, &corner.y, GetTextPos().x, GetTextPos().y, GetTextAngle() );
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aCornerBuffer->Append( corner.x, corner.y );
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}
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}
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/**
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* Function TransformTextShapeWithClearanceToPolygon
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* Convert the text to a polygonSet describing the actual character strokes (one per segment).
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* @aCornerBuffer = SHAPE_POLY_SET to store the polygon corners
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* @aClearanceValue = the clearance around the text
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* @aError = the maximum error to allow when approximating curves
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*/
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void PCB_TEXT::TransformTextShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
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PCB_LAYER_ID aLayer, int aClearanceValue,
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int aError, ERROR_LOC aErrorLoc ) const
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{
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wxSize size = GetTextSize();
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if( IsMirrored() )
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size.x = -size.x;
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bool forceBold = true;
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int penWidth = GetEffectiveTextPenWidth();
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prms.m_cornerBuffer = &aCornerBuffer;
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prms.m_textWidth = GetEffectiveTextPenWidth() + ( 2 * aClearanceValue );
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prms.m_error = aError;
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COLOR4D color = COLOR4D::BLACK; // not actually used, but needed by GRText
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if( IsMultilineAllowed() )
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{
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wxArrayString strings_list;
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wxStringSplit( GetShownText(), strings_list, '\n' );
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std::vector<wxPoint> positions;
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positions.reserve( strings_list.Count() );
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GetLinePositions( positions, strings_list.Count() );
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for( unsigned ii = 0; ii < strings_list.Count(); ii++ )
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{
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wxString txt = strings_list.Item( ii );
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GRText( NULL, positions[ii], color, txt, GetTextAngle(), size, GetHorizJustify(),
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GetVertJustify(), penWidth, IsItalic(), forceBold, addTextSegmToPoly, &prms );
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}
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}
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else
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{
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GRText( NULL, GetTextPos(), color, GetShownText(), GetTextAngle(), size, GetHorizJustify(),
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GetVertJustify(), penWidth, IsItalic(), forceBold, addTextSegmToPoly, &prms );
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}
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}
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void PCB_TEXT::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
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PCB_LAYER_ID aLayer, int aClearance,
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int aError, ERROR_LOC aErrorLoc,
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bool aIgnoreLineWidth ) const
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{
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EDA_TEXT::TransformBoundingBoxWithClearanceToPolygon( &aCornerBuffer, aClearance );
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}
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void PCB_SHAPE::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
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PCB_LAYER_ID aLayer, int aClearanceValue,
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int aError, ERROR_LOC aErrorLoc,
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bool ignoreLineWidth ) const
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{
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int width = ignoreLineWidth ? 0 : m_width;
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width += 2 * aClearanceValue;
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switch( m_shape )
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{
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case PCB_SHAPE_TYPE::CIRCLE:
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if( IsFilled() )
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{
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TransformCircleToPolygon( aCornerBuffer, GetCenter(), GetRadius() + width / 2, aError,
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aErrorLoc );
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}
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else
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{
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TransformRingToPolygon( aCornerBuffer, GetCenter(), GetRadius(), width, aError,
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aErrorLoc );
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}
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break;
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case PCB_SHAPE_TYPE::RECT:
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{
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std::vector<wxPoint> pts = GetRectCorners();
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if( IsFilled() )
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{
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aCornerBuffer.NewOutline();
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for( const wxPoint& pt : pts )
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aCornerBuffer.Append( pt );
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}
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if( width > 0 || !IsFilled() )
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{
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// Add in segments
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TransformOvalToPolygon( aCornerBuffer, pts[0], pts[1], width, aError, aErrorLoc );
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TransformOvalToPolygon( aCornerBuffer, pts[1], pts[2], width, aError, aErrorLoc );
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TransformOvalToPolygon( aCornerBuffer, pts[2], pts[3], width, aError, aErrorLoc );
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TransformOvalToPolygon( aCornerBuffer, pts[3], pts[0], width, aError, aErrorLoc );
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}
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}
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break;
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case PCB_SHAPE_TYPE::ARC:
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TransformArcToPolygon( aCornerBuffer, GetArcStart(), GetArcMid(), GetArcEnd(), width,
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aError, aErrorLoc );
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break;
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case PCB_SHAPE_TYPE::SEGMENT:
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TransformOvalToPolygon( aCornerBuffer, m_start, m_end, width, aError, aErrorLoc );
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break;
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case PCB_SHAPE_TYPE::POLYGON:
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{
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if( !IsPolyShapeValid() )
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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 PCB_SHAPE_TYPE::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++ )
|
|
{
|
|
TransformOvalToPolygon( aCornerBuffer, poly[ii - 1], poly[ii], width, aError, aErrorLoc );
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
wxFAIL_MSG( "PCB_SHAPE::TransformShapeWithClearanceToPolygon no implementation for "
|
|
+ PCB_SHAPE_TYPE_T_asString( m_shape ) );
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
void 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 ARC* arc = static_cast<const 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:
|
|
if( dx == dy )
|
|
{
|
|
TransformCircleToPolygon( aCornerBuffer, padShapePos, dx + aClearanceValue, aError,
|
|
aErrorLoc );
|
|
}
|
|
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 );
|
|
}
|
|
|
|
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;
|
|
|
|
wxPoint corners[4];
|
|
corners[0] = wxPoint( -dx - ddy, dy + ddx );
|
|
corners[1] = wxPoint( dx + ddy, dy - ddx );
|
|
corners[2] = wxPoint( dx - ddy, -dy + ddx );
|
|
corners[3] = wxPoint( -dx + ddy, -dy - ddx );
|
|
|
|
SHAPE_POLY_SET outline;
|
|
outline.NewOutline();
|
|
|
|
for( wxPoint& corner : corners )
|
|
{
|
|
RotatePoint( &corner, angle );
|
|
corner += padShapePos;
|
|
outline.Append( corner.x, corner.y );
|
|
}
|
|
|
|
if( aClearanceValue )
|
|
{
|
|
int numSegs = std::max( GetArcToSegmentCount( aClearanceValue, aError, 360.0 ),
|
|
pad_min_seg_per_circle_count );
|
|
int clearance = aClearanceValue;
|
|
|
|
if( aErrorLoc == ERROR_OUTSIDE )
|
|
clearance += GetCircleToPolyCorrection( aError );
|
|
|
|
outline.Inflate( clearance, numSegs );
|
|
}
|
|
|
|
aCornerBuffer.Append( outline );
|
|
}
|
|
break;
|
|
|
|
case PAD_SHAPE::CHAMFERED_RECT:
|
|
case PAD_SHAPE::ROUNDRECT:
|
|
{
|
|
int radius = GetRoundRectCornerRadius();
|
|
wxSize shapesize( m_size );
|
|
bool doChamfer = GetShape() == PAD_SHAPE::CHAMFERED_RECT;
|
|
|
|
double chamferRatio = doChamfer ? GetChamferRectRatio() : 0.0;
|
|
|
|
if( aClearanceValue )
|
|
{
|
|
radius += aClearanceValue;
|
|
shapesize.x += aClearanceValue * 2;
|
|
shapesize.y += aClearanceValue * 2;
|
|
|
|
// The chamfer position (the 45 deg line on corner) must be
|
|
// offsetted by aClearanceValue from the base shape chamfer pos
|
|
// So we recalculate the chamferRatio to do that
|
|
//
|
|
// the chamfered shape is square with widet = w, and a corner dist from center
|
|
// is w*1.414 / 2 = w*0.707
|
|
// the distance from corner to chamfer line is ch = chamfer_size/707
|
|
// the distance from center to chamfer line is
|
|
// d = w*707 - ch/707
|
|
// so we have:
|
|
// base shape: d1 = w1*707 - ch1/707 = 0.707 * ( w1 - w1*chamferRatio)
|
|
// shape with clearance: d2 = w2*707 - ch2/707 = d1 + aClearanceValue
|
|
const double rootsq_2 = 1.41421356237/2;
|
|
int d1 = rootsq_2 * std::min( m_size.x, m_size.y ) * ( 1 - GetChamferRectRatio() );
|
|
int d2 = d1 + aClearanceValue;
|
|
// d2 = 0.707 * w2 * ( 1 - chamferRatio2 )
|
|
// 1 - d2 / ( 0.707 * w2 ) = chamferRatio2
|
|
chamferRatio = 1.0 - d2 / ( rootsq_2 * std::min( shapesize.x, shapesize.y ) );
|
|
|
|
// Ensure chamferRatio = 0.0 ... 0.5
|
|
if( chamferRatio < 0.0 )
|
|
chamferRatio = 0.0;
|
|
|
|
if( chamferRatio > 0.5 )
|
|
chamferRatio = 0.5;
|
|
}
|
|
|
|
SHAPE_POLY_SET outline;
|
|
TransformRoundChamferedRectToPolygon( outline, padShapePos, shapesize, angle, radius,
|
|
chamferRatio,
|
|
doChamfer ? GetChamferPositions() : 0,
|
|
aError, aErrorLoc );
|
|
|
|
aCornerBuffer.Append( outline );
|
|
}
|
|
break;
|
|
|
|
case PAD_SHAPE::CUSTOM:
|
|
{
|
|
SHAPE_POLY_SET outline;
|
|
MergePrimitivesAsPolygon( &outline, aLayer, 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 )
|
|
clearance += GetCircleToPolyCorrection( aError );
|
|
|
|
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 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( "DIMENSION::TransformShapeWithClearanceToPolygon unexpected shape type." );
|
|
}
|
|
}
|
|
}
|
|
|