233 lines
8.3 KiB
C++
233 lines
8.3 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) 2020 KiCad Developers.
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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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// WARNING - this Tom's crappy PNS hack tool code. Please don't complain about its quality
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// (unless you want to improve it).
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#include <pgm_base.h>
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#include <qa_utils/utility_registry.h>
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#include "pns_log_viewer_frame.h"
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#include "label_manager.h"
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#include <geometry/shape_arc.h>
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std::shared_ptr<PNS_LOG_VIEWER_OVERLAY> overlay;
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bool collideArc2Arc( const SHAPE_ARC& a1, const SHAPE_ARC& a2, int clearance, SEG& minDistSeg )
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{
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SEG mediatrix( a1.GetCenter(), a2.GetCenter() );
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std::vector<VECTOR2I> ips;
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// Basic case - arcs intersect
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if( a1.Intersect( a2, &ips ) > 0 )
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{
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minDistSeg.A = minDistSeg.B = ips[0];
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return true;
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}
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// Arcs don't intersect, build a list of points to check
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std::vector<VECTOR2I> ptsA;
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std::vector<VECTOR2I> ptsB;
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bool cocentered = ( mediatrix.A == mediatrix.B );
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// 1: Interior points of both arcs, which are on the line segment between the two centres
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if( !cocentered )
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{
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a1.IntersectLine( mediatrix, &ptsA );
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a2.IntersectLine( mediatrix, &ptsB );
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}
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// 2: Check arc end points
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ptsA.push_back( a1.GetP0() );
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ptsA.push_back( a1.GetP1() );
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ptsB.push_back( a2.GetP0() );
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ptsB.push_back( a2.GetP1() );
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// 3: Endpoint of one and "projected" point on the other, which is on the
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// line segment through that endpoint and the centre of the other arc
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a1.IntersectLine( SEG( a2.GetP0(), a1.GetCenter() ), &ptsA );
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a1.IntersectLine( SEG( a2.GetP1(), a1.GetCenter() ), &ptsA );
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a2.IntersectLine( SEG( a1.GetP0(), a2.GetCenter() ), &ptsB );
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a2.IntersectLine( SEG( a1.GetP1(), a2.GetCenter() ), &ptsB );
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double minDist = std::numeric_limits<double>::max();
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bool minDistFound = false;
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// @todo performance might be improved by only checking certain points (e.g only check end
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// points against other end points or their corresponding "projected" points)
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for( const VECTOR2I& ptA : ptsA )
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{
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for( const VECTOR2I& ptB : ptsB )
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{
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double dist = ( ptA - ptB ).EuclideanNorm() - a1.GetWidth() / 2.0 - a2.GetWidth() / 2.0;
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if( dist < clearance )
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{
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if( !minDistFound || dist < minDist )
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{
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minDist = dist;
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minDistSeg = SEG( ptA, ptB );
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}
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minDistFound = true;
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}
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}
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}
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return minDistFound;
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}
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int playground_main_func( int argc, char* argv[] )
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{
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auto frame = new PNS_LOG_VIEWER_FRAME( nullptr );
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Pgm().App().SetTopWindow( frame ); // wxApp gets a face.
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frame->Show();
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struct ARC_DATA
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{
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double cx, cy, sx, sy, ca, w;
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};
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const ARC_DATA test_data [] =
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{
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{73.843527, 74.355869, 71.713528, 72.965869, -76.36664803, 0.2},
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{71.236473, 74.704131, 73.366472, 76.094131, -76.36664803, 0.2},
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{82.542335, 74.825975, 80.413528, 73.435869, -76.4, 0.2},
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{76.491192, 73.839894, 78.619999, 75.23, -76.4, 0.2},
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{89.318807, 74.810106, 87.19, 73.42, -76.4, 0.2},
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{87.045667, 74.632941, 88.826472, 75.794131, -267.9, 0.2},
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{94.665667, 73.772941, 96.446472, 74.934131, -267.9, 0.2},
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{94.750009, 73.74012, 93.6551, 73.025482, -255.5, 0.2},
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{72.915251, 80.493054, 73.570159, 81.257692, -260.5, 0.2}, // end points clearance false positive
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{73.063537, 82.295989, 71.968628, 81.581351, -255.5, 0.2},
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{79.279991, 80.67988, 80.3749, 81.394518, -255.5, 0.2},
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{79.279991, 80.67988, 80.3749, 81.694518, -255.5, 0.2 },
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{88.495265, 81.766089, 90.090174, 82.867869, -255.5, 0.2},
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{86.995265, 81.387966, 89.090174, 82.876887, -255.5, 0.2},
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{96.149734, 81.792126, 94.99, 83.37, -347.2, 0.2},
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{94.857156, 81.240589, 95.91, 83.9, -288.5, 0.2},
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{72.915251, 86.493054, 73.970159, 87.257692, -260.5, 0.2}, // end points clearance #1
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{73.063537, 88.295989, 71.968628, 87.581351, -255.5, 0.2},
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{78.915251, 86.393054, 79.970159, 87.157692, 99.5, 0.2}, // end points clearance #2 - false positive
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{79.063537, 88.295989, 77.968628, 87.581351, -255.5, 0.2},
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{85.915251, 86.993054, 86.970159, 87.757692, 99.5, 0.2}, // intersection - false negative
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{86.063537, 88.295989, 84.968628, 87.581351, -255.5, 0.2},
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{94.6551, 88.295989, 95.6551, 88.295989, 90.0, 0.2 }, // simulating diff pair
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{94.6551, 88.295989, 95.8551, 88.295989, 90.0, 0.2 },
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{73.77532, 93.413654, 75.70532, 93.883054, 60.0, 0.1 }, // one arc fully enclosed in other
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{73.86532, 93.393054, 75.86532, 93.393054, 90.0, 0.3 },
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{79.87532, 93.413654, 81.64532, 94.113054, 60.0, 0.1 }, // concentric
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{79.87532, 93.413654, 81.86532, 93.393054, 90.0, 0.3 }
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};
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overlay = frame->GetOverlay();
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overlay->SetIsFill(false);
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overlay->SetLineWidth(10000);
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std::vector<SHAPE_ARC> arcs;
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int n_arcs = sizeof( test_data ) / sizeof( ARC_DATA );
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BOX2I vp;
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for( int i = 0; i < n_arcs; i++ )
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{
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const ARC_DATA& d = test_data[i];
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SHAPE_ARC arc( VECTOR2D( Millimeter2iu( d.cx ), Millimeter2iu( d.cy ) ),
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VECTOR2D( Millimeter2iu( d.sx ), Millimeter2iu( d.sy ) ), d.ca,
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Millimeter2iu( d.w ) );
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arcs.push_back( arc );
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if( i == 0 )
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vp = arc.BBox();
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else
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vp.Merge( arc.BBox() );
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}
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printf("Read %lu arcs\n", arcs.size() );
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LABEL_MANAGER labelMgr( frame->GetPanel()->GetGAL() );
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frame->GetPanel()->GetView()->SetViewport( BOX2D( vp.GetOrigin(), vp.GetSize() ) );
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for(int i = 0; i < arcs.size(); i+= 2)
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{
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SEG closestDist;
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std::vector<VECTOR2I> ips;
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bool collides = collideArc2Arc( arcs[i], arcs[i+1], 0, closestDist );
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int ni = arcs[i].Intersect( arcs[i+1], &ips );
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overlay->SetLineWidth( 10000.0 );
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overlay->SetStrokeColor( GREEN );
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for( int j = 0; j < ni; j++ )
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overlay->AnnotatedPoint( ips[j], arcs[i].GetWidth() );
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if( collides )
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{
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overlay->SetStrokeColor( YELLOW );
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overlay->Line( closestDist.A, closestDist.B );
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overlay->SetLineWidth( 10000.0 );
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overlay->SetGlyphSize( { 100000.0, 100000.0 } );
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overlay->BitmapText( wxString::Format( "dist=%d, l=%d", closestDist.Length() ),
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closestDist.A + VECTOR2I( 0, -arcs[i].GetWidth() ), 0 );
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}
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overlay->SetLineWidth( 10000.0 );
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overlay->SetStrokeColor( CYAN );
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overlay->AnnotatedPoint( arcs[i].GetP0(), arcs[i].GetWidth() / 2 );
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overlay->AnnotatedPoint( arcs[i + 1].GetP0(), arcs[i + 1].GetWidth() / 2 );
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overlay->AnnotatedPoint( arcs[i].GetArcMid(), arcs[i].GetWidth() / 2 );
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overlay->AnnotatedPoint( arcs[i + 1].GetArcMid(), arcs[i + 1].GetWidth() / 2 );
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overlay->AnnotatedPoint( arcs[i].GetP1(), arcs[i].GetWidth() / 2 );
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overlay->AnnotatedPoint( arcs[i + 1].GetP1(), arcs[i + 1].GetWidth() / 2 );
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overlay->SetStrokeColor( RED );
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overlay->Arc( arcs[i] );
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overlay->SetStrokeColor( MAGENTA );
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overlay->Arc( arcs[i + 1] );
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}
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overlay = nullptr;
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return 0;
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}
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static bool registered = UTILITY_REGISTRY::Register( {
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"playground",
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"Geometry/drawing playground",
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playground_main_func,
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} );
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