139 lines
3.6 KiB
C++
139 lines
3.6 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) 2021 Ola Rinta-Koski <gitlab@rinta-koski.net>
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* Copyright (C) 2021-2022 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 modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <vector>
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#include <font/glyph.h>
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#include <trigo.h>
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using namespace KIFONT;
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STROKE_GLYPH::STROKE_GLYPH( const STROKE_GLYPH& aGlyph )
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{
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for( const std::vector<VECTOR2D>& pointList : aGlyph )
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push_back( pointList );
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m_boundingBox = aGlyph.m_boundingBox;
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}
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void STROKE_GLYPH::AddPoint( const VECTOR2D& aPoint )
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{
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if( !m_penIsDown )
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{
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emplace_back();
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back().reserve( 16 ); // This handles all but 359 strokes (out of over 328,000)
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m_penIsDown = true;
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}
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back().push_back( aPoint );
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}
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void STROKE_GLYPH::RaisePen()
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{
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#if 0
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if( m_penIsDown )
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back().shrink_to_fit();
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#endif
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m_penIsDown = false;
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}
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void STROKE_GLYPH::Finalize()
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{
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// Shrinking the strokes saves a bit less than 512K of memory. It's not worth it for the
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// performance hit of doing more than 328,000 reallocs.
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#if 0
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if( !empty() && !back().empty() )
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back().shrink_to_fit();
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#endif
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}
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std::unique_ptr<GLYPH> STROKE_GLYPH::Transform( const VECTOR2D& aGlyphSize, const VECTOR2I& aOffset,
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double aTilt, const EDA_ANGLE& aAngle, bool aMirror,
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const VECTOR2I& aOrigin )
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{
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std::unique_ptr<STROKE_GLYPH> glyph = std::make_unique<STROKE_GLYPH>( *this );
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VECTOR2D end = glyph->m_boundingBox.GetEnd();
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end.x *= aGlyphSize.x;
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end.y *= aGlyphSize.y;
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if( aTilt )
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end.x -= end.y * aTilt;
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glyph->m_boundingBox.SetEnd( end );
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glyph->m_boundingBox.Offset( aOffset );
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for( std::vector<VECTOR2D>& pointList : *glyph.get() )
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{
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for( VECTOR2D& point : pointList )
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{
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point *= aGlyphSize;
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if( aTilt )
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point.x -= point.y * aTilt;
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point += aOffset;
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if( aMirror )
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point.x = aOrigin.x - ( point.x - aOrigin.x );
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if( !aAngle.IsZero() )
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RotatePoint( point, aOrigin, aAngle );
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}
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}
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return glyph;
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}
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BOX2D OUTLINE_GLYPH::BoundingBox()
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{
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BOX2I bbox = BBox();
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return BOX2D( bbox.GetOrigin(), bbox.GetSize() );
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}
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void OUTLINE_GLYPH::Triangulate( std::function<void( const VECTOR2I& aPt1,
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const VECTOR2I& aPt2,
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const VECTOR2I& aPt3 )> aCallback ) const
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{
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const_cast<OUTLINE_GLYPH*>( this )->CacheTriangulation();
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for( unsigned int i = 0; i < TriangulatedPolyCount(); i++ )
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{
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const SHAPE_POLY_SET::TRIANGULATED_POLYGON* polygon = TriangulatedPolygon( i );
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for ( size_t j = 0; j < polygon->GetTriangleCount(); j++ )
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{
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VECTOR2I a, b, c;
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polygon->GetTriangle( j, a, b, c );
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aCallback( a, b, c );
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}
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}
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}
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