/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2023 Alex Shvartzkop * Copyright (C) 2023 KiCad Developers, see AUTHORS.txt for contributors. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, you may find one here: * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html * or you may search the http://www.gnu.org website for the version 2 license, * or you may write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */ #include "easyeda_parser_base.h" #include #include #include double EASYEDA_PARSER_BASE::Convert( const wxString& aValue ) { double value = 0; if( !aValue.ToCDouble( &value ) ) THROW_IO_ERROR( wxString::Format( _( "Failed to parse number from '%s'" ), aValue ) ); return value; } double EASYEDA_PARSER_BASE::RelPosX( double aValue ) { double value = aValue - m_relOrigin.x; return ScaleSize( value ); } double EASYEDA_PARSER_BASE::RelPosY( double aValue ) { double value = aValue - m_relOrigin.y; return ScaleSize( value ); } double EASYEDA_PARSER_BASE::RelPosX( const wxString& aValue ) { return RelPosX( Convert( aValue ) ); } double EASYEDA_PARSER_BASE::RelPosY( const wxString& aValue ) { return RelPosY( Convert( aValue ) ); } std::vector EASYEDA_PARSER_BASE::ParseLineChains( const wxString& data, int aArcMinSegLen, bool aForceClosed ) { std::vector result; VECTOR2D prevPt; SHAPE_LINE_CHAIN chain; size_t pos = 0; auto readNumber = [&]( wxString& aOut ) { wxUniChar ch = data[pos]; while( ch == ' ' || ch == ',' ) ch = data[++pos]; while( isdigit( ch ) || ch == '.' || ch == '-' ) { aOut += ch; pos++; if( pos == data.size() ) break; ch = data[pos]; } }; do { wxUniChar sym = data[pos++]; if( sym == ' ' ) continue; if( sym == 'M' ) { wxString xStr, yStr; readNumber( xStr ); readNumber( yStr ); if( chain.PointCount() > 1 ) { if( aForceClosed ) chain.SetClosed( true ); result.emplace_back( chain ); } chain.Clear(); VECTOR2D pt( Convert( xStr ), Convert( yStr ) ); chain.Append( RelPos( pt ) ); prevPt = pt; } else if( sym == 'Z' ) { if( chain.PointCount() > 2 ) { chain.SetClosed( true ); result.emplace_back( chain ); } chain.Clear(); } else if( sym == 'L' || isdigit( sym ) || sym == '-' ) { // We may not have a command, just coordinates: // M 4108.8 3364.1 3982.598 3295.6914 if( isdigit( sym ) || sym == '-' ) pos--; while( true ) { if( pos >= data.size() ) break; wxUniChar ch = data[pos]; while( ch == ' ' || ch == ',' ) { if( ++pos >= data.size() ) break; ch = data[pos]; } if( !isdigit( ch ) && ch != '-' ) break; wxString xStr, yStr; readNumber( xStr ); readNumber( yStr ); VECTOR2D pt( Convert( xStr ), Convert( yStr ) ); chain.Append( RelPos( pt ) ); prevPt = pt; }; } else if( sym == 'A' ) { wxString radX, radY, unknown, farFlag, cwFlag, endX, endY; readNumber( radX ); readNumber( radY ); readNumber( unknown ); readNumber( farFlag ); readNumber( cwFlag ); readNumber( endX ); readNumber( endY ); bool isFar = farFlag == wxS( "1" ); bool cw = cwFlag == wxS( "1" ); VECTOR2D rad( Convert( radX ), Convert( radY ) ); VECTOR2D end( Convert( endX ), Convert( endY ) ); VECTOR2D start = prevPt; VECTOR2D delta = end - start; double d = delta.EuclideanNorm(); double h = sqrt( std::max( 0.0, rad.x * rad.x - d * d / 4 ) ); //( !far && cw ) => h //( far && cw ) => -h //( !far && !cw ) => -h //( far && !cw ) => h VECTOR2D arcCenter = start + delta / 2 + delta.Perpendicular().Resize( ( isFar ^ cw ) ? h : -h ); SHAPE_ARC arc; arc.ConstructFromStartEndCenter( RelPos( start ), RelPos( end ), RelPos( arcCenter ), !cw ); chain.Append( arc ); prevPt = end; } else if( sym == 'C' ) { wxString p1_xStr, p1_yStr, p2_xStr, p2_yStr, p3_xStr, p3_yStr; readNumber( p1_xStr ); readNumber( p1_yStr ); readNumber( p2_xStr ); readNumber( p2_yStr ); readNumber( p3_xStr ); readNumber( p3_yStr ); VECTOR2D pt1( Convert( p1_xStr ), Convert( p1_yStr ) ); VECTOR2D pt2( Convert( p2_xStr ), Convert( p2_yStr ) ); VECTOR2D pt3( Convert( p3_xStr ), Convert( p3_yStr ) ); std::vector ctrlPoints = { RelPos( prevPt ), RelPos( pt1 ), RelPos( pt2 ), RelPos( pt3 ) }; BEZIER_POLY converter( ctrlPoints ); std::vector bezierPoints; converter.GetPoly( bezierPoints, aArcMinSegLen, 16 ); chain.Append( bezierPoints ); prevPt = pt3; } } while( pos < data.size() ); if( chain.PointCount() > 1 ) { if( aForceClosed ) chain.SetClosed( true ); result.emplace_back( chain ); } return result; }