1361 lines
52 KiB
C++
1361 lines
52 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) 2009-2018 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 1992-2018 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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/***
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* @file board_items_to_polygon_shape_transform.cpp
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* @brief function to convert shapes of items ( pads, tracks... ) to polygons
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*/
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/* Function to convert pad and track shapes to polygons
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* Used to fill zones areas and in 3D viewer
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*/
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#include <vector>
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#include <fctsys.h>
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#include <bezier_curves.h>
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#include <base_units.h> // for IU_PER_MM
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#include <draw_graphic_text.h>
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#include <pcbnew.h>
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#include <pcb_edit_frame.h>
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#include <trigo.h>
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#include <class_board.h>
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#include <class_pad.h>
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#include <class_track.h>
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#include <class_drawsegment.h>
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#include <class_pcb_text.h>
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#include <class_zone.h>
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#include <class_module.h>
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#include <class_edge_mod.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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// 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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int m_textWidth;
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int m_textCircle2SegmentCount;
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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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// The max error is the distance between the middle of a segment, and the circle
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// for circle/arc to segment approximation.
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// Warning: too small values can create very long calculation time in zone filling
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// 0.05 to 0.01 mm is a reasonable value
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double s_error_max = Millimeter2iu( 0.02 );
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// This is a call back function, used by DrawGraphicText 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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TransformRoundedEndsSegmentToPolygon( *prm->m_cornerBuffer,
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wxPoint( x0, y0), wxPoint( xf, yf ),
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prm->m_textCircle2SegmentCount, prm->m_textWidth );
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}
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void BOARD::ConvertBrdLayerToPolygonalContours( PCB_LAYER_ID aLayer, SHAPE_POLY_SET& aOutlines )
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{
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// Number of segments to convert a circle to a polygon
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const int segcountforcircle = ARC_APPROX_SEGMENTS_COUNT_HIGH_DEF;
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double correctionFactor = GetCircletoPolyCorrectionFactor( segcountforcircle );
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// convert tracks and vias:
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for( TRACK* track = m_Track; track != NULL; track = track->Next() )
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{
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if( !track->IsOnLayer( aLayer ) )
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continue;
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track->TransformShapeWithClearanceToPolygon( aOutlines,
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0, segcountforcircle, correctionFactor );
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}
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// convert pads
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for( MODULE* module = m_Modules; module != NULL; module = module->Next() )
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{
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module->TransformPadsShapesWithClearanceToPolygon( aLayer,
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aOutlines, 0, segcountforcircle, correctionFactor );
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// Micro-wave modules may have items on copper layers
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module->TransformGraphicShapesWithClearanceToPolygonSet( aLayer,
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aOutlines, 0, segcountforcircle, correctionFactor );
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}
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// convert copper zones
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for( int ii = 0; ii < GetAreaCount(); ii++ )
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{
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ZONE_CONTAINER* zone = GetArea( ii );
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PCB_LAYER_ID zonelayer = zone->GetLayer();
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if( zonelayer == aLayer )
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zone->TransformSolidAreasShapesToPolygonSet(
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aOutlines, segcountforcircle, correctionFactor );
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}
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// convert graphic items on copper layers (texts)
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for( BOARD_ITEM* item = m_Drawings; item; item = item->Next() )
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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_LINE_T: // should not exist on copper layers
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( (DRAWSEGMENT*) item )->TransformShapeWithClearanceToPolygon(
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aOutlines, 0, segcountforcircle, correctionFactor );
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break;
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case PCB_TEXT_T:
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( (TEXTE_PCB*) item )->TransformShapeWithClearanceToPolygonSet(
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aOutlines, 0, segcountforcircle, correctionFactor );
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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 MODULE::TransformPadsShapesWithClearanceToPolygon( PCB_LAYER_ID aLayer,
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SHAPE_POLY_SET& aCornerBuffer,
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int aInflateValue,
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int aCircleToSegmentsCount,
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double aCorrectionFactor,
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bool aSkipNPTHPadsWihNoCopper ) const
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{
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D_PAD* pad = PadsList();
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wxSize margin;
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for( ; pad != NULL; pad = pad->Next() )
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{
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if( aLayer != UNDEFINED_LAYER && !pad->IsOnLayer(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_HOLE_NOT_PLATED )
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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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switch( aLayer )
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{
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case F_Mask:
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case B_Mask:
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margin.x = margin.y = pad->GetSolderMaskMargin() + aInflateValue;
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break;
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case F_Paste:
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case B_Paste:
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margin = pad->GetSolderPasteMargin();
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margin.x += aInflateValue;
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margin.y += aInflateValue;
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break;
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default:
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margin.x = margin.y = aInflateValue;
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break;
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}
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pad->BuildPadShapePolygon( aCornerBuffer, margin,
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aCircleToSegmentsCount, aCorrectionFactor );
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}
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}
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/* generate shapes of graphic items (outlines) on layer aLayer as polygons,
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* and adds these polygons to aCornerBuffer
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* aCornerBuffer = the buffer to store polygons
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* aInflateValue = a value to inflate shapes
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* aCircleToSegmentsCount = number of segments to approximate a circle
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* aCorrectionFactor = the correction to apply to the circle radius
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* to generate the polygon.
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* if aCorrectionFactor = 1.0, the polygon is inside the circle
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* the radius of circle approximated by segments is
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* initial radius * aCorrectionFactor
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*/
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void MODULE::TransformGraphicShapesWithClearanceToPolygonSet(
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PCB_LAYER_ID aLayer,
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SHAPE_POLY_SET& aCornerBuffer,
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int aInflateValue,
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int aCircleToSegmentsCount,
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double aCorrectionFactor,
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int aCircleToSegmentsCountForTexts,
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bool aIncludeText ) const
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{
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std::vector<TEXTE_MODULE *> texts; // List of TEXTE_MODULE to convert
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EDGE_MODULE* outline;
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for( EDA_ITEM* item = GraphicalItemsList(); item != NULL; item = item->Next() )
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{
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switch( item->Type() )
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{
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case PCB_MODULE_TEXT_T:
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{
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TEXTE_MODULE* text = static_cast<TEXTE_MODULE*>( item );
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if( ( aLayer != UNDEFINED_LAYER && text->GetLayer() == aLayer )
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&& text->IsVisible() )
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texts.push_back( text );
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break;
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}
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case PCB_MODULE_EDGE_T:
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outline = (EDGE_MODULE*) item;
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if( aLayer != UNDEFINED_LAYER && outline->GetLayer() != aLayer )
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break;
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outline->TransformShapeWithClearanceToPolygon( aCornerBuffer, 0,
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aCircleToSegmentsCount, aCorrectionFactor );
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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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if( !aIncludeText )
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return;
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// Convert texts sur modules
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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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prms.m_cornerBuffer = &aCornerBuffer;
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// To allow optimization of circles approximated by segments,
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// aCircleToSegmentsCountForTexts, when not 0, is used.
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// if 0 (default value) the aCircleToSegmentsCount is used
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prms.m_textCircle2SegmentCount = aCircleToSegmentsCountForTexts ?
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aCircleToSegmentsCountForTexts : aCircleToSegmentsCount;
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for( unsigned ii = 0; ii < texts.size(); ii++ )
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{
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TEXTE_MODULE *textmod = texts[ii];
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prms.m_textWidth = textmod->GetThickness() + ( 2 * aInflateValue );
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wxSize size = textmod->GetTextSize();
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if( textmod->IsMirrored() )
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size.x = -size.x;
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DrawGraphicText( NULL, NULL, textmod->GetTextPos(), BLACK,
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textmod->GetShownText(), textmod->GetDrawRotation(), size,
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textmod->GetHorizJustify(), textmod->GetVertJustify(),
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textmod->GetThickness(), textmod->IsItalic(),
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true, addTextSegmToPoly, &prms );
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}
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}
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// Same as function TransformGraphicShapesWithClearanceToPolygonSet but
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// this only render text
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void MODULE::TransformGraphicTextWithClearanceToPolygonSet(
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PCB_LAYER_ID aLayer,
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SHAPE_POLY_SET& aCornerBuffer,
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int aInflateValue,
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int aCircleToSegmentsCount,
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double aCorrectionFactor,
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int aCircleToSegmentsCountForTexts ) const
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{
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std::vector<TEXTE_MODULE *> texts; // List of TEXTE_MODULE to convert
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for( EDA_ITEM* item = GraphicalItemsList(); item != NULL; item = item->Next() )
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{
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switch( item->Type() )
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{
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case PCB_MODULE_TEXT_T:
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{
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TEXTE_MODULE* text = static_cast<TEXTE_MODULE*>( item );
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if( text->GetLayer() == aLayer && text->IsVisible() )
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texts.push_back( text );
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break;
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}
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case PCB_MODULE_EDGE_T:
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// This function does not render this
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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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// Convert texts sur modules
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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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prms.m_cornerBuffer = &aCornerBuffer;
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// To allow optimization of circles approximated by segments,
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// aCircleToSegmentsCountForTexts, when not 0, is used.
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// if 0 (default value) the aCircleToSegmentsCount is used
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prms.m_textCircle2SegmentCount = aCircleToSegmentsCountForTexts ?
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aCircleToSegmentsCountForTexts : aCircleToSegmentsCount;
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for( unsigned ii = 0; ii < texts.size(); ii++ )
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{
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TEXTE_MODULE *textmod = texts[ii];
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prms.m_textWidth = textmod->GetThickness() + ( 2 * aInflateValue );
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wxSize size = textmod->GetTextSize();
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if( textmod->IsMirrored() )
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size.x = -size.x;
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DrawGraphicText( NULL, NULL, textmod->GetTextPos(), BLACK,
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textmod->GetShownText(), textmod->GetDrawRotation(), size,
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textmod->GetHorizJustify(), textmod->GetVertJustify(),
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textmod->GetThickness(), textmod->IsItalic(),
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true, addTextSegmToPoly, &prms );
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}
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}
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/* Function TransformSolidAreasShapesToPolygonSet
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* Convert solid areas full shapes to polygon set
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* (the full shape is the polygon area with a thick outline)
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* Used in 3D view
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* Arcs (ends of segments) are approximated by segments
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* aCornerBuffer = a buffer to store the polygons
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* aCircleToSegmentsCount = the number of segments to approximate a circle
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* aCorrectionFactor = the correction to apply to arcs radius to roughly
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* keep arc radius when approximated by segments
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*/
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void ZONE_CONTAINER::TransformSolidAreasShapesToPolygonSet(
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SHAPE_POLY_SET& aCornerBuffer,
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int aCircleToSegmentsCount,
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double aCorrectionFactor ) const
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{
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if( GetFilledPolysList().IsEmpty() )
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return;
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// add filled areas polygons
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aCornerBuffer.Append( m_FilledPolysList );
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// add filled areas outlines, which are drawn with thick lines
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for( int i = 0; i < m_FilledPolysList.OutlineCount(); i++ )
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{
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const SHAPE_LINE_CHAIN& path = m_FilledPolysList.COutline( i );
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for( int j = 0; j < path.PointCount(); j++ )
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{
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const VECTOR2I& a = path.CPoint( j );
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const VECTOR2I& b = path.CPoint( j + 1 );
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TransformRoundedEndsSegmentToPolygon( aCornerBuffer, wxPoint( a.x, a.y ), wxPoint( b.x, b.y ),
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aCircleToSegmentsCount,
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GetMinThickness() );
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}
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}
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}
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/**
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* Function TransformBoundingBoxWithClearanceToPolygon
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* Convert the text bounding box to a rectangular polygon
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* Used in filling zones calculations
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* Circles and arcs are approximated by segments
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* @param aCornerBuffer = a buffer to store the polygon
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* @param aClearanceValue = the clearance around the text bounding box
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*/
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void EDA_TEXT::TransformBoundingBoxWithClearanceToPolygon(
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SHAPE_POLY_SET* aCornerBuffer,
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int aClearanceValue ) const
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{
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// Oh dear. When in UTF-8 mode, wxString puts string iterators in a linked list, and
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// that linked list is not thread-safe.
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std::lock_guard<std::mutex> guard( m_mutex );
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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( -1 );
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rect.Inflate( aClearanceValue );
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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( int ii = 0; ii < 4; ii++ )
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{
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// Rotate polygon
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RotatePoint( &corners[ii].x, &corners[ii].y, GetTextPos().x, GetTextPos().y, GetTextAngle() );
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aCornerBuffer->Append( corners[ii].x, corners[ii].y );
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}
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}
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|
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/* Function TransformShapeWithClearanceToPolygonSet
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* Convert the text shape to a set of polygons (one by segment)
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* Used in filling zones calculations and 3D view
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* Circles and arcs are approximated by segments
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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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* aCircleToSegmentsCount = the number of segments to approximate a circle
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* aCorrectionFactor = the correction to apply to circles radius to keep
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* clearance when the circle is approximated by segment bigger or equal
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* to the real clearance value (usually near from 1.0)
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*/
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void TEXTE_PCB::TransformShapeWithClearanceToPolygonSet(
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SHAPE_POLY_SET& aCornerBuffer,
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int aClearanceValue,
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int aCircleToSegmentsCount,
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double aCorrectionFactor ) 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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prms.m_cornerBuffer = &aCornerBuffer;
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prms.m_textWidth = GetThickness() + ( 2 * aClearanceValue );
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prms.m_textCircle2SegmentCount = aCircleToSegmentsCount;
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COLOR4D color = COLOR4D::BLACK; // not actually used, but needed by DrawGraphicText
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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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GetPositionsOfLinesOfMultilineText( 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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DrawGraphicText( NULL, NULL, positions[ii], color,
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txt, GetTextAngle(), size,
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GetHorizJustify(), GetVertJustify(),
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GetThickness(), IsItalic(),
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true, addTextSegmToPoly, &prms );
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}
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}
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else
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{
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DrawGraphicText( NULL, NULL, GetTextPos(), color,
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GetShownText(), GetTextAngle(), size,
|
|
GetHorizJustify(), GetVertJustify(),
|
|
GetThickness(), IsItalic(),
|
|
true, addTextSegmToPoly, &prms );
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Function TransformShapeWithClearanceToPolygon
|
|
* Convert the track shape to a closed polygon
|
|
* Used in filling zones calculations
|
|
* Circles and arcs are approximated by segments
|
|
* @param aCornerBuffer = a buffer to store the polygon
|
|
* @param aClearanceValue = the clearance around the pad
|
|
* @param aCircleToSegmentsCount = the number of segments to approximate a circle
|
|
* @param aCorrectionFactor = the correction to apply to circles radius to keep
|
|
* clearance when the circle is approxiamted by segment bigger or equal
|
|
* to the real clearance value (usually near from 1.0)
|
|
* @param ignoreLineWidth = used for edge cut items where the line width is only
|
|
* for visualization
|
|
*/
|
|
void DRAWSEGMENT::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
int aClearanceValue,
|
|
int aCircleToSegmentsCount,
|
|
double aCorrectionFactor,
|
|
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 cicle 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
|
|
if( m_Shape == S_CIRCLE || m_Shape == S_ARC )
|
|
{
|
|
int segCount = GetArcToSegmentCount( GetRadius(), s_error_max, 360.0 );
|
|
|
|
if( segCount > aCircleToSegmentsCount )
|
|
aCircleToSegmentsCount = segCount;
|
|
}
|
|
|
|
switch( m_Shape )
|
|
{
|
|
case S_CIRCLE:
|
|
TransformRingToPolygon( aCornerBuffer, GetCenter(), GetRadius() + (s_error_max/2),
|
|
aCircleToSegmentsCount, linewidth + s_error_max ) ;
|
|
break;
|
|
|
|
case S_ARC:
|
|
TransformArcToPolygon( aCornerBuffer, GetCenter(),
|
|
GetArcStart(), m_Angle,
|
|
aCircleToSegmentsCount, linewidth );
|
|
break;
|
|
|
|
case S_SEGMENT:
|
|
TransformOvalClearanceToPolygon( aCornerBuffer, m_Start, m_End, linewidth,
|
|
aCircleToSegmentsCount, aCorrectionFactor );
|
|
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, aCircleToSegmentsCount, aCorrectionFactor );
|
|
}
|
|
|
|
TransformOvalClearanceToPolygon( aCornerBuffer, poly.back(), poly.front(),
|
|
linewidth, aCircleToSegmentsCount, aCorrectionFactor );
|
|
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, aCircleToSegmentsCount, 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], aCircleToSegmentsCount, linewidth );
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Function TransformShapeWithClearanceToPolygon
|
|
* Convert the track shape to a closed polygon
|
|
* Used in filling zones calculations
|
|
* Circles (vias) and arcs (ends of tracks) are approximated by segments
|
|
* @param aCornerBuffer = a buffer to store the polygon
|
|
* @param aClearanceValue = the clearance around the pad
|
|
* @param aCircleToSegmentsCount = the number of segments to approximate a circle
|
|
* @param aCorrectionFactor = the correction to apply to circles radius to keep
|
|
* clearance when the circle is approximated by segment bigger or equal
|
|
* to the real clearance value (usually near from 1.0)
|
|
* @param ignoreLineWidth = used for edge cut items where the line width is only
|
|
* for visualization
|
|
*/
|
|
void TRACK::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
int aClearanceValue,
|
|
int aCircleToSegmentsCount,
|
|
double aCorrectionFactor,
|
|
bool ignoreLineWidth ) const
|
|
{
|
|
wxASSERT_MSG( !ignoreLineWidth, "IgnoreLineWidth has no meaning for tracks." );
|
|
|
|
switch( Type() )
|
|
{
|
|
case PCB_VIA_T:
|
|
{
|
|
int radius = (m_Width / 2) + aClearanceValue;
|
|
radius = KiROUND( radius * aCorrectionFactor );
|
|
TransformCircleToPolygon( aCornerBuffer, m_Start, radius, aCircleToSegmentsCount );
|
|
}
|
|
break;
|
|
|
|
default:
|
|
TransformOvalClearanceToPolygon( aCornerBuffer, m_Start, m_End,
|
|
m_Width + ( 2 * aClearanceValue),
|
|
aCircleToSegmentsCount,
|
|
aCorrectionFactor );
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/* Function TransformShapeWithClearanceToPolygon
|
|
* Convert the pad shape to a closed polygon
|
|
* Used in filling zones calculations and 3D view generation
|
|
* Circles and arcs are approximated by segments
|
|
* aCornerBuffer = a SHAPE_POLY_SET to store the polygon corners
|
|
* aClearanceValue = the clearance around the pad
|
|
* aCircleToSegmentsCount = the number of segments to approximate a circle
|
|
* aCorrectionFactor = the correction to apply to circles radius to keep
|
|
* clearance when the circle is approximated by segment bigger or equal
|
|
* to the real clearance value (usually near from 1.0)
|
|
* @param ignoreLineWidth = used for edge cut items where the line width is only
|
|
* for visualization
|
|
*/
|
|
void D_PAD::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
int aClearanceValue,
|
|
int aCircleToSegmentsCount,
|
|
double aCorrectionFactor,
|
|
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:
|
|
dx = KiROUND( dx * aCorrectionFactor );
|
|
TransformCircleToPolygon( aCornerBuffer, padShapePos, dx,
|
|
aCircleToSegmentsCount );
|
|
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,
|
|
aCircleToSegmentsCount, aCorrectionFactor );
|
|
}
|
|
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 rounding_radius = int( aClearanceValue * aCorrectionFactor );
|
|
outline.Inflate( rounding_radius, aCircleToSegmentsCount );
|
|
|
|
aCornerBuffer.Append( outline );
|
|
}
|
|
break;
|
|
|
|
case PAD_SHAPE_ROUNDRECT:
|
|
{
|
|
SHAPE_POLY_SET outline;
|
|
int pad_radius = GetRoundRectCornerRadius();
|
|
int clearance = int( aClearanceValue * aCorrectionFactor );
|
|
int rounding_radius = pad_radius + clearance;
|
|
wxSize shapesize( m_Size );
|
|
shapesize.x += clearance*2;
|
|
shapesize.y += clearance*2;
|
|
|
|
TransformRoundRectToPolygon( outline, padShapePos, shapesize, angle,
|
|
rounding_radius, aCircleToSegmentsCount );
|
|
|
|
aCornerBuffer.Append( outline );
|
|
}
|
|
break;
|
|
|
|
case PAD_SHAPE_CUSTOM:
|
|
{
|
|
int clearance = KiROUND( aClearanceValue * aCorrectionFactor );
|
|
|
|
SHAPE_POLY_SET outline; // Will contain the corners in board coordinates
|
|
outline.Append( m_customShapeAsPolygon );
|
|
CustomShapeAsPolygonToBoardPosition( &outline, GetPosition(), GetOrientation() );
|
|
outline.Inflate( clearance, aCircleToSegmentsCount );
|
|
aCornerBuffer.Append( outline );
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Function BuildPadShapePolygon
|
|
* Build the Corner list of the polygonal shape,
|
|
* depending on shape, extra size (clearance ...) pad and orientation
|
|
* Note: for Round and oval pads this function is equivalent to
|
|
* TransformShapeWithClearanceToPolygon, but not for other shapes
|
|
*/
|
|
void D_PAD::BuildPadShapePolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
wxSize aInflateValue, int aSegmentsPerCircle,
|
|
double aCorrectionFactor ) const
|
|
{
|
|
wxPoint corners[4];
|
|
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:
|
|
case PAD_SHAPE_ROUNDRECT:
|
|
{
|
|
// We are using TransformShapeWithClearanceToPolygon to build the shape.
|
|
// Currently, this method uses only the same inflate value for X and Y dirs.
|
|
// so because here this is not the case, we use a inflated dummy pad to build
|
|
// the polygonal shape
|
|
// TODO: remove this dummy pad when TransformShapeWithClearanceToPolygon will use
|
|
// a wxSize to inflate the pad size
|
|
D_PAD dummy( *this );
|
|
dummy.SetSize( GetSize() + aInflateValue + aInflateValue );
|
|
dummy.TransformShapeWithClearanceToPolygon( aCornerBuffer, 0,
|
|
aSegmentsPerCircle, aCorrectionFactor );
|
|
}
|
|
break;
|
|
|
|
case PAD_SHAPE_TRAPEZOID:
|
|
case PAD_SHAPE_RECT:
|
|
aCornerBuffer.NewOutline();
|
|
|
|
BuildPadPolygon( corners, aInflateValue, m_Orient );
|
|
for( int ii = 0; ii < 4; ii++ )
|
|
{
|
|
corners[ii] += padShapePos; // Shift origin to position
|
|
aCornerBuffer.Append( corners[ii].x, corners[ii].y );
|
|
}
|
|
|
|
break;
|
|
|
|
case PAD_SHAPE_CUSTOM:
|
|
// for a custom shape, that is in fact a polygon (with holes), we can use only a inflate value.
|
|
// so use ( aInflateValue.x + aInflateValue.y ) / 2 as polygon inflate value.
|
|
// (different values for aInflateValue.x and aInflateValue.y has no sense for a custom pad)
|
|
TransformShapeWithClearanceToPolygon( aCornerBuffer,
|
|
( aInflateValue.x + aInflateValue.y ) / 2,
|
|
aSegmentsPerCircle, aCorrectionFactor );
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Function BuildPadDrillShapePolygon
|
|
* Build the Corner list of the polygonal drill shape,
|
|
* depending on shape pad hole and orientation
|
|
* return false if the pad has no hole, true otherwise
|
|
*/
|
|
bool D_PAD::BuildPadDrillShapePolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
int aInflateValue, int aSegmentsPerCircle ) const
|
|
{
|
|
wxSize drillsize = GetDrillSize();
|
|
|
|
if( !drillsize.x || !drillsize.y )
|
|
return false;
|
|
|
|
if( drillsize.x == drillsize.y ) // usual round hole
|
|
{
|
|
TransformCircleToPolygon( aCornerBuffer, GetPosition(),
|
|
(drillsize.x / 2) + aInflateValue, aSegmentsPerCircle );
|
|
}
|
|
else // Oblong hole
|
|
{
|
|
wxPoint start, end;
|
|
int width;
|
|
|
|
GetOblongDrillGeometry( start, end, width );
|
|
|
|
width += aInflateValue * 2;
|
|
|
|
TransformRoundedEndsSegmentToPolygon( aCornerBuffer,
|
|
GetPosition() + start, GetPosition() + end, aSegmentsPerCircle, width );
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Function CreateThermalReliefPadPolygon
|
|
* Add holes around a pad to create a thermal relief
|
|
* copper thickness is min (dx/2, aCopperWitdh) or min (dy/2, aCopperWitdh)
|
|
* @param aCornerBuffer = a buffer to store the polygon
|
|
* @param aPad = the current pad used to create the thermal shape
|
|
* @param aThermalGap = gap in thermal shape
|
|
* @param aCopperThickness = stubs thickness in thermal shape
|
|
* @param aMinThicknessValue = min copper thickness allowed
|
|
* @param aCircleToSegmentsCount = the number of segments to approximate a circle
|
|
* @param aCorrectionFactor = the correction to apply to circles radius to keep
|
|
* @param aThermalRot = for rond pads the rotation of thermal stubs (450 usually for 45 deg.)
|
|
*/
|
|
|
|
/* thermal reliefs are created as 4 polygons.
|
|
* each corner of a polygon if calculated for a pad at position 0, 0, orient 0,
|
|
* and then moved and rotated acroding to the pad position and orientation
|
|
*/
|
|
|
|
/*
|
|
* Note 1: polygons are drawm using outlines witk a thickness = aMinThicknessValue
|
|
* so shapes must take in account this outline thickness
|
|
*
|
|
* Note 2:
|
|
* Trapezoidal pads are not considered here because they are very special case
|
|
* and are used in microwave applications and they *DO NOT* have a thermal relief that
|
|
* change the shape by creating stubs and destroy their properties.
|
|
*/
|
|
void CreateThermalReliefPadPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
const D_PAD& aPad,
|
|
int aThermalGap,
|
|
int aCopperThickness,
|
|
int aMinThicknessValue,
|
|
int aCircleToSegmentsCount,
|
|
double aCorrectionFactor,
|
|
double aThermalRot )
|
|
{
|
|
wxPoint corner, corner_end;
|
|
wxPoint padShapePos = aPad.ShapePos(); // Note: for pad having a shape offset,
|
|
// the pad position is NOT the shape position
|
|
wxSize copper_thickness;
|
|
|
|
double delta = 3600.0 / aCircleToSegmentsCount; // rot angle in 0.1 degree
|
|
|
|
/* Keep in account the polygon outline thickness
|
|
* aThermalGap must be increased by aMinThicknessValue/2 because drawing external outline
|
|
* with a thickness of aMinThicknessValue will reduce gap by aMinThicknessValue/2
|
|
*/
|
|
aThermalGap += aMinThicknessValue / 2;
|
|
|
|
/* Keep in account the polygon outline thickness
|
|
* copper_thickness must be decreased by aMinThicknessValue because drawing outlines
|
|
* with a thickness of aMinThicknessValue will increase real thickness by aMinThicknessValue
|
|
*/
|
|
aCopperThickness -= aMinThicknessValue;
|
|
|
|
if( aCopperThickness < 0 )
|
|
aCopperThickness = 0;
|
|
|
|
int dx = aPad.GetSize().x / 2;
|
|
int dy = aPad.GetSize().y / 2;
|
|
|
|
copper_thickness.x = std::min( dx, aCopperThickness );
|
|
copper_thickness.y = std::min( dy, aCopperThickness );
|
|
|
|
switch( aPad.GetShape() )
|
|
{
|
|
case PAD_SHAPE_CIRCLE: // Add 4 similar holes
|
|
{
|
|
/* we create 4 copper holes and put them in position 1, 2, 3 and 4
|
|
* here is the area of the rectangular pad + its thermal gap
|
|
* the 4 copper holes remove the copper in order to create the thermal gap
|
|
* 4 ------ 1
|
|
* | |
|
|
* | |
|
|
* | |
|
|
* | |
|
|
* 3 ------ 2
|
|
* holes 2, 3, 4 are the same as hole 1, rotated 90, 180, 270 deg
|
|
*/
|
|
|
|
// Build the hole pattern, for the hole in the X >0, Y > 0 plane:
|
|
// The pattern roughtly is a 90 deg arc pie
|
|
std::vector <wxPoint> corners_buffer;
|
|
|
|
// Radius of outer arcs of the shape corrected for arc approximation by lines
|
|
int outer_radius = KiROUND( (dx + aThermalGap) * aCorrectionFactor );
|
|
|
|
// Crosspoint of thermal spoke sides, the first point of polygon buffer
|
|
corners_buffer.push_back( wxPoint( copper_thickness.x / 2, copper_thickness.y / 2 ) );
|
|
|
|
// Add an intermediate point on spoke sides, to allow a > 90 deg angle between side
|
|
// and first seg of arc approx
|
|
corner.x = copper_thickness.x / 2;
|
|
int y = outer_radius - (aThermalGap / 4);
|
|
corner.y = KiROUND( sqrt( ( (double) y * y - (double) corner.x * corner.x ) ) );
|
|
|
|
if( aThermalRot != 0 )
|
|
corners_buffer.push_back( corner );
|
|
|
|
// calculate the starting point of the outter arc
|
|
corner.x = copper_thickness.x / 2;
|
|
|
|
corner.y = KiROUND( sqrt( ( (double) outer_radius * outer_radius ) -
|
|
( (double) corner.x * corner.x ) ) );
|
|
RotatePoint( &corner, 90 ); // 9 degrees is the spoke fillet size
|
|
|
|
// calculate the ending point of the outter arc
|
|
corner_end.x = corner.y;
|
|
corner_end.y = corner.x;
|
|
|
|
// calculate intermediate points (y coordinate from corner.y to corner_end.y
|
|
while( (corner.y > corner_end.y) && (corner.x < corner_end.x) )
|
|
{
|
|
corners_buffer.push_back( corner );
|
|
RotatePoint( &corner, delta );
|
|
}
|
|
|
|
corners_buffer.push_back( corner_end );
|
|
|
|
/* add an intermediate point, to avoid angles < 90 deg between last arc approx line
|
|
* and radius line
|
|
*/
|
|
corner.x = corners_buffer[1].y;
|
|
corner.y = corners_buffer[1].x;
|
|
corners_buffer.push_back( corner );
|
|
|
|
// Now, add the 4 holes ( each is the pattern, rotated by 0, 90, 180 and 270 deg
|
|
// aThermalRot = 450 (45.0 degrees orientation) work fine.
|
|
double angle_pad = aPad.GetOrientation(); // Pad orientation
|
|
double th_angle = aThermalRot;
|
|
|
|
for( unsigned ihole = 0; ihole < 4; ihole++ )
|
|
{
|
|
aCornerBuffer.NewOutline();
|
|
|
|
for( unsigned ii = 0; ii < corners_buffer.size(); ii++ )
|
|
{
|
|
corner = corners_buffer[ii];
|
|
RotatePoint( &corner, th_angle + angle_pad ); // Rotate by segment angle and pad orientation
|
|
corner += padShapePos;
|
|
aCornerBuffer.Append( corner.x, corner.y );
|
|
}
|
|
|
|
th_angle += 900; // Note: th_angle in in 0.1 deg.
|
|
}
|
|
}
|
|
break;
|
|
|
|
case PAD_SHAPE_OVAL:
|
|
{
|
|
// Oval pad support along the lines of round and rectangular pads
|
|
std::vector <wxPoint> corners_buffer; // Polygon buffer as vector
|
|
|
|
dx = (aPad.GetSize().x / 2) + aThermalGap; // Cutout radius x
|
|
dy = (aPad.GetSize().y / 2) + aThermalGap; // Cutout radius y
|
|
|
|
wxPoint shape_offset;
|
|
|
|
// We want to calculate an oval shape with dx > dy.
|
|
// if this is not the case, exchange dx and dy, and rotate the shape 90 deg.
|
|
int supp_angle = 0;
|
|
|
|
if( dx < dy )
|
|
{
|
|
std::swap( dx, dy );
|
|
supp_angle = 900;
|
|
std::swap( copper_thickness.x, copper_thickness.y );
|
|
}
|
|
|
|
int deltasize = dx - dy; // = distance between shape position and the 2 demi-circle ends centre
|
|
// here we have dx > dy
|
|
// Radius of outer arcs of the shape:
|
|
int outer_radius = dy; // The radius of the outer arc is radius end + aThermalGap
|
|
|
|
// Some coordinate fiddling, depending on the shape offset direction
|
|
shape_offset = wxPoint( deltasize, 0 );
|
|
|
|
// Crosspoint of thermal spoke sides, the first point of polygon buffer
|
|
corner.x = copper_thickness.x / 2;
|
|
corner.y = copper_thickness.y / 2;
|
|
corners_buffer.push_back( corner );
|
|
|
|
// Arc start point calculation, the intersecting point of cutout arc and thermal spoke edge
|
|
// If copper thickness is more than shape offset, we need to calculate arc intercept point.
|
|
if( copper_thickness.x > deltasize )
|
|
{
|
|
corner.x = copper_thickness.x / 2;
|
|
corner.y = KiROUND( sqrt( ( (double) outer_radius * outer_radius ) -
|
|
( (double) ( corner.x - delta ) * ( corner.x - deltasize ) ) ) );
|
|
corner.x -= deltasize;
|
|
|
|
/* creates an intermediate point, to have a > 90 deg angle
|
|
* between the side and the first segment of arc approximation
|
|
*/
|
|
wxPoint intpoint = corner;
|
|
intpoint.y -= aThermalGap / 4;
|
|
corners_buffer.push_back( intpoint + shape_offset );
|
|
RotatePoint( &corner, 90 ); // 9 degrees of thermal fillet
|
|
}
|
|
else
|
|
{
|
|
corner.x = copper_thickness.x / 2;
|
|
corner.y = outer_radius;
|
|
corners_buffer.push_back( corner );
|
|
}
|
|
|
|
// Add an intermediate point on spoke sides, to allow a > 90 deg angle between side
|
|
// and first seg of arc approx
|
|
wxPoint last_corner;
|
|
last_corner.y = copper_thickness.y / 2;
|
|
int px = outer_radius - (aThermalGap / 4);
|
|
last_corner.x =
|
|
KiROUND( sqrt( ( ( (double) px * px ) - (double) last_corner.y * last_corner.y ) ) );
|
|
|
|
// Arc stop point calculation, the intersecting point of cutout arc and thermal spoke edge
|
|
corner_end.y = copper_thickness.y / 2;
|
|
corner_end.x =
|
|
KiROUND( sqrt( ( (double) outer_radius *
|
|
outer_radius ) - ( (double) corner_end.y * corner_end.y ) ) );
|
|
RotatePoint( &corner_end, -90 ); // 9 degrees of thermal fillet
|
|
|
|
// calculate intermediate arc points till limit is reached
|
|
while( (corner.y > corner_end.y) && (corner.x < corner_end.x) )
|
|
{
|
|
corners_buffer.push_back( corner + shape_offset );
|
|
RotatePoint( &corner, delta );
|
|
}
|
|
|
|
//corners_buffer.push_back(corner + shape_offset); // TODO: about one mil geometry error forms somewhere.
|
|
corners_buffer.push_back( corner_end + shape_offset );
|
|
corners_buffer.push_back( last_corner + shape_offset ); // Enabling the line above shows intersection point.
|
|
|
|
/* Create 2 holes, rotated by pad rotation.
|
|
*/
|
|
double angle = aPad.GetOrientation() + supp_angle;
|
|
|
|
for( int irect = 0; irect < 2; irect++ )
|
|
{
|
|
aCornerBuffer.NewOutline();
|
|
for( unsigned ic = 0; ic < corners_buffer.size(); ic++ )
|
|
{
|
|
wxPoint cpos = corners_buffer[ic];
|
|
RotatePoint( &cpos, angle );
|
|
cpos += padShapePos;
|
|
aCornerBuffer.Append( cpos.x, cpos.y );
|
|
}
|
|
|
|
angle = AddAngles( angle, 1800 ); // this is calculate hole 3
|
|
}
|
|
|
|
// Create holes, that are the mirrored from the previous holes
|
|
for( unsigned ic = 0; ic < corners_buffer.size(); ic++ )
|
|
{
|
|
wxPoint swap = corners_buffer[ic];
|
|
swap.x = -swap.x;
|
|
corners_buffer[ic] = swap;
|
|
}
|
|
|
|
// Now add corner 4 and 2 (2 is the corner 4 rotated by 180 deg
|
|
angle = aPad.GetOrientation() + supp_angle;
|
|
|
|
for( int irect = 0; irect < 2; irect++ )
|
|
{
|
|
aCornerBuffer.NewOutline();
|
|
|
|
for( unsigned ic = 0; ic < corners_buffer.size(); ic++ )
|
|
{
|
|
wxPoint cpos = corners_buffer[ic];
|
|
RotatePoint( &cpos, angle );
|
|
cpos += padShapePos;
|
|
aCornerBuffer.Append( cpos.x, cpos.y );
|
|
}
|
|
|
|
angle = AddAngles( angle, 1800 );
|
|
}
|
|
}
|
|
break;
|
|
|
|
case PAD_SHAPE_ROUNDRECT: // thermal shape is the same for round rect and rect.
|
|
case PAD_SHAPE_RECT:
|
|
{
|
|
/* we create 4 copper holes and put them in position 1, 2, 3 and 4
|
|
* here is the area of the rectangular pad + its thermal gap
|
|
* the 4 copper holes remove the copper in order to create the thermal gap
|
|
* 4 ------ 1
|
|
* | |
|
|
* | |
|
|
* | |
|
|
* | |
|
|
* 3 ------ 2
|
|
* hole 3 is the same as hole 1, rotated 180 deg
|
|
* hole 4 is the same as hole 2, rotated 180 deg and is the same as hole 1, mirrored
|
|
*/
|
|
|
|
// First, create a rectangular hole for position 1 :
|
|
// 2 ------- 3
|
|
// | |
|
|
// | |
|
|
// | |
|
|
// 1 -------4
|
|
|
|
// Modified rectangles with one corner rounded. TODO: merging with oval thermals
|
|
// and possibly round too.
|
|
|
|
std::vector <wxPoint> corners_buffer; // Polygon buffer as vector
|
|
|
|
dx = (aPad.GetSize().x / 2) + aThermalGap; // Cutout radius x
|
|
dy = (aPad.GetSize().y / 2) + aThermalGap; // Cutout radius y
|
|
|
|
// The first point of polygon buffer is left lower corner, second the crosspoint of
|
|
// thermal spoke sides, the third is upper right corner and the rest are rounding
|
|
// vertices going anticlockwise. Note the inveted Y-axis in CG.
|
|
corners_buffer.push_back( wxPoint( -dx, -(aThermalGap / 4 + copper_thickness.y / 2) ) ); // Adds small miters to zone
|
|
corners_buffer.push_back( wxPoint( -(dx - aThermalGap / 4), -copper_thickness.y / 2 ) ); // fill and spoke corner
|
|
corners_buffer.push_back( wxPoint( -copper_thickness.x / 2, -copper_thickness.y / 2 ) );
|
|
corners_buffer.push_back( wxPoint( -copper_thickness.x / 2, -(dy - aThermalGap / 4) ) );
|
|
corners_buffer.push_back( wxPoint( -(aThermalGap / 4 + copper_thickness.x / 2), -dy ) );
|
|
|
|
double angle = aPad.GetOrientation();
|
|
int rounding_radius = KiROUND( aThermalGap * aCorrectionFactor ); // Corner rounding radius
|
|
|
|
for( int i = 0; i < aCircleToSegmentsCount / 4 + 1; i++ )
|
|
{
|
|
wxPoint corner_position = wxPoint( 0, -rounding_radius );
|
|
|
|
// Start at half increment offset
|
|
RotatePoint( &corner_position, 1800.0 / aCircleToSegmentsCount );
|
|
double angle_pg = i * delta;
|
|
|
|
RotatePoint( &corner_position, angle_pg ); // Rounding vector rotation
|
|
corner_position -= aPad.GetSize() / 2; // Rounding vector + Pad corner offset
|
|
|
|
corners_buffer.push_back( wxPoint( corner_position.x, corner_position.y ) );
|
|
}
|
|
|
|
for( int irect = 0; irect < 2; irect++ )
|
|
{
|
|
aCornerBuffer.NewOutline();
|
|
|
|
for( unsigned ic = 0; ic < corners_buffer.size(); ic++ )
|
|
{
|
|
wxPoint cpos = corners_buffer[ic];
|
|
RotatePoint( &cpos, angle ); // Rotate according to module orientation
|
|
cpos += padShapePos; // Shift origin to position
|
|
aCornerBuffer.Append( cpos.x, cpos.y );
|
|
}
|
|
|
|
angle = AddAngles( angle, 1800 ); // this is calculate hole 3
|
|
}
|
|
|
|
// Create holes, that are the mirrored from the previous holes
|
|
for( unsigned ic = 0; ic < corners_buffer.size(); ic++ )
|
|
{
|
|
wxPoint swap = corners_buffer[ic];
|
|
swap.x = -swap.x;
|
|
corners_buffer[ic] = swap;
|
|
}
|
|
|
|
// Now add corner 4 and 2 (2 is the corner 4 rotated by 180 deg
|
|
for( int irect = 0; irect < 2; irect++ )
|
|
{
|
|
aCornerBuffer.NewOutline();
|
|
|
|
for( unsigned ic = 0; ic < corners_buffer.size(); ic++ )
|
|
{
|
|
wxPoint cpos = corners_buffer[ic];
|
|
RotatePoint( &cpos, angle );
|
|
cpos += padShapePos;
|
|
aCornerBuffer.Append( cpos.x, cpos.y );
|
|
}
|
|
|
|
angle = AddAngles( angle, 1800 );
|
|
}
|
|
}
|
|
break;
|
|
|
|
case PAD_SHAPE_TRAPEZOID:
|
|
{
|
|
SHAPE_POLY_SET antipad; // The full antipad area
|
|
|
|
// We need a length to build the stubs of the thermal reliefs
|
|
// the value is not very important. The pad bounding box gives a reasonable value
|
|
EDA_RECT bbox = aPad.GetBoundingBox();
|
|
int stub_len = std::max( bbox.GetWidth(), bbox.GetHeight() );
|
|
|
|
aPad.TransformShapeWithClearanceToPolygon( antipad, aThermalGap,
|
|
aCircleToSegmentsCount, aCorrectionFactor );
|
|
|
|
SHAPE_POLY_SET stub; // A basic stub ( a rectangle)
|
|
SHAPE_POLY_SET stubs; // the full stubs shape
|
|
|
|
|
|
// We now substract the stubs (connections to the copper zone)
|
|
//ClipperLib::Clipper clip_engine;
|
|
// Prepare a clipping transform
|
|
//clip_engine.AddPath( antipad, ClipperLib::ptSubject, true );
|
|
|
|
// Create stubs and add them to clipper engine
|
|
wxPoint stubBuffer[4];
|
|
stubBuffer[0].x = stub_len;
|
|
stubBuffer[0].y = copper_thickness.y/2;
|
|
stubBuffer[1] = stubBuffer[0];
|
|
stubBuffer[1].y = -copper_thickness.y/2;
|
|
stubBuffer[2] = stubBuffer[1];
|
|
stubBuffer[2].x = -stub_len;
|
|
stubBuffer[3] = stubBuffer[2];
|
|
stubBuffer[3].y = copper_thickness.y/2;
|
|
|
|
stub.NewOutline();
|
|
|
|
for( unsigned ii = 0; ii < arrayDim( stubBuffer ); ii++ )
|
|
{
|
|
wxPoint cpos = stubBuffer[ii];
|
|
RotatePoint( &cpos, aPad.GetOrientation() );
|
|
cpos += padShapePos;
|
|
stub.Append( cpos.x, cpos.y );
|
|
}
|
|
|
|
stubs.Append( stub );
|
|
|
|
stubBuffer[0].y = stub_len;
|
|
stubBuffer[0].x = copper_thickness.x/2;
|
|
stubBuffer[1] = stubBuffer[0];
|
|
stubBuffer[1].x = -copper_thickness.x/2;
|
|
stubBuffer[2] = stubBuffer[1];
|
|
stubBuffer[2].y = -stub_len;
|
|
stubBuffer[3] = stubBuffer[2];
|
|
stubBuffer[3].x = copper_thickness.x/2;
|
|
|
|
stub.RemoveAllContours();
|
|
stub.NewOutline();
|
|
|
|
for( unsigned ii = 0; ii < arrayDim( stubBuffer ); ii++ )
|
|
{
|
|
wxPoint cpos = stubBuffer[ii];
|
|
RotatePoint( &cpos, aPad.GetOrientation() );
|
|
cpos += padShapePos;
|
|
stub.Append( cpos.x, cpos.y );
|
|
}
|
|
|
|
stubs.Append( stub );
|
|
stubs.Simplify( SHAPE_POLY_SET::PM_FAST );
|
|
|
|
antipad.BooleanSubtract( stubs, SHAPE_POLY_SET::PM_FAST );
|
|
aCornerBuffer.Append( antipad );
|
|
|
|
break;
|
|
}
|
|
|
|
default:
|
|
;
|
|
}
|
|
}
|
|
|
|
void ZONE_CONTAINER::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
|
|
int aClearanceValue,
|
|
int aCircleToSegmentsCount,
|
|
double aCorrectionFactor,
|
|
bool ignoreLineWidth ) const
|
|
{
|
|
wxASSERT_MSG( !ignoreLineWidth, "IgnoreLineWidth has no meaning for zones." );
|
|
|
|
aCornerBuffer = m_FilledPolysList;
|
|
aCornerBuffer.Simplify( SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
|
|
}
|