kicad/common/callback_gal.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2022 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 <trigo.h>
#include <convert_to_biu.h>
#include <convert_basic_shapes_to_polygon.h>
#include <geometry/geometry_utils.h>
#include <callback_gal.h>
using namespace KIGFX;
void CALLBACK_GAL::DrawGlyph( const KIFONT::GLYPH& aGlyph, int aNth, int aTotal )
{
if( aGlyph.IsStroke() )
{
const KIFONT::STROKE_GLYPH& glyph = static_cast<const KIFONT::STROKE_GLYPH&>( aGlyph );
for( const std::vector<VECTOR2D>& pointList : glyph )
{
for( size_t ii = 1; ii < pointList.size(); ii++ )
{
if( m_stroke )
{
m_strokeCallback( pointList[ ii - 1 ], pointList[ ii ] );
}
else
{
int strokeWidth = GetLineWidth();
SHAPE_POLY_SET poly;
TransformOvalToPolygon( poly, pointList[ ii - 1 ], pointList[ ii ],
strokeWidth, strokeWidth / 48, ERROR_OUTSIDE );
m_outlineCallback( poly.Outline( 0 ) );
}
}
}
}
else if( aGlyph.IsOutline() )
{
if( m_triangulate )
{
const KIFONT::OUTLINE_GLYPH& glyph = static_cast<const KIFONT::OUTLINE_GLYPH&>( aGlyph );
glyph.Triangulate( m_triangleCallback );
}
else
{
KIFONT::OUTLINE_GLYPH glyph = static_cast<const KIFONT::OUTLINE_GLYPH&>( aGlyph );
if( glyph.HasHoles() )
glyph.Fracture( SHAPE_POLY_SET::POLYGON_MODE::PM_FAST );
for( int ii = 0; ii < glyph.OutlineCount(); ++ii )
m_outlineCallback( glyph.Outline( ii ) );
}
}
}