kicad/eeschema/import_gfx/graphics_importer_lib_symbo...

218 lines
8.3 KiB
C++

/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2016 CERN
* @author Maciej Suminski <maciej.suminski@cern.ch>
* Copyright (C) 2018-2023 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 "graphics_importer_lib_symbol.h"
#include <lib_symbol.h>
#include <lib_shape.h>
#include <lib_text.h>
#include <memory>
#include <tuple>
GRAPHICS_IMPORTER_LIB_SYMBOL::GRAPHICS_IMPORTER_LIB_SYMBOL( LIB_SYMBOL* aSymbol, int aUnit ) :
m_symbol( aSymbol ), m_unit( aUnit )
{
m_millimeterToIu = schIUScale.mmToIU( 1.0 );
}
VECTOR2I GRAPHICS_IMPORTER_LIB_SYMBOL::MapCoordinate( const VECTOR2D& aCoordinate )
{
VECTOR2D coord = aCoordinate;
coord *= GetScale();
coord += GetImportOffsetMM();
coord *= GetMillimeterToIuFactor();
return VECTOR2I( KiROUND( coord.x ), KiROUND( coord.y ) );
}
int GRAPHICS_IMPORTER_LIB_SYMBOL::MapLineWidth( double aLineWidth )
{
VECTOR2D factor = ImportScalingFactor();
double scale = ( factor.x + factor.y ) * 0.5;
if( aLineWidth <= 0.0 )
return int( GetLineWidthMM() * scale );
// aLineWidth is in mm:
return int( aLineWidth * scale );
}
void GRAPHICS_IMPORTER_LIB_SYMBOL::AddLine( const VECTOR2D& aOrigin, const VECTOR2D& aEnd,
double aWidth, const COLOR4D& aColor )
{
std::unique_ptr<LIB_SHAPE> line = std::make_unique<LIB_SHAPE>( m_symbol, SHAPE_T::POLY );
line->SetUnit( m_unit );
line->SetFillColor( aColor );
line->SetStroke( STROKE_PARAMS( MapLineWidth( aWidth ), PLOT_DASH_TYPE::SOLID ) );
line->AddPoint( MapCoordinate( aOrigin ) );
line->AddPoint( MapCoordinate( aEnd ) );
// Skip 0 len lines:
if( line->GetStart() == line->GetEnd() )
return;
addItem( std::move( line ) );
}
void GRAPHICS_IMPORTER_LIB_SYMBOL::AddCircle( const VECTOR2D& aCenter, double aRadius, double aWidth,
bool aFilled, const COLOR4D& aColor )
{
std::unique_ptr<LIB_SHAPE> circle = std::make_unique<LIB_SHAPE>( m_symbol, SHAPE_T::CIRCLE );
circle->SetUnit( m_unit );
circle->SetFillColor( aColor );
circle->SetFilled( aFilled );
circle->SetStroke( STROKE_PARAMS( MapLineWidth( aWidth ), PLOT_DASH_TYPE::SOLID ) );
circle->SetStart( MapCoordinate( aCenter ));
circle->SetEnd( MapCoordinate( VECTOR2D( aCenter.x + aRadius, aCenter.y ) ) );
addItem( std::move( circle ) );
}
void GRAPHICS_IMPORTER_LIB_SYMBOL::AddArc( const VECTOR2D& aCenter, const VECTOR2D& aStart,
const EDA_ANGLE& aAngle, double aWidth,
const COLOR4D& aColor )
{
std::unique_ptr<LIB_SHAPE> arc = std::make_unique<LIB_SHAPE>( m_symbol, SHAPE_T::ARC );
arc->SetUnit( m_unit );
arc->SetFillColor( aColor );
/**
* We need to perform the rotation/conversion here while still using floating point values
* to avoid rounding errors when operating in integer space in KiCad
*/
VECTOR2D end = aStart;
VECTOR2D mid = aStart;
RotatePoint( end, aCenter, -aAngle );
RotatePoint( mid, aCenter, -aAngle / 2.0 );
arc->SetArcGeometry( MapCoordinate( aStart ), MapCoordinate( mid ), MapCoordinate( end ) );
// Ensure the arc can be handled by KiCad. Arcs with a too big radius cannot.
// The criteria used here is radius < MAX_INT / 2.
// this is not perfect, but we do not know the exact final position of the arc, so
// we cannot test the coordinate values, because the arc can be moved before being placed.
VECTOR2D center = CalcArcCenter( arc->GetStart(), arc->GetEnd(), aAngle );
double radius = ( center - arc->GetStart() ).EuclideanNorm();
constexpr double rd_max_value = std::numeric_limits<VECTOR2I::coord_type>::max() / 2.0;
if( radius >= rd_max_value )
{
// Arc cannot be handled: convert it to a segment
AddLine( aStart, end, aWidth, aColor );
return;
}
arc->SetStroke( STROKE_PARAMS( MapLineWidth( aWidth ), PLOT_DASH_TYPE::SOLID ) );
addItem( std::move( arc ) );
}
void GRAPHICS_IMPORTER_LIB_SYMBOL::AddPolygon( const std::vector<VECTOR2D>& aVertices, double aWidth,
const COLOR4D& aColor )
{
std::vector<VECTOR2I> convertedPoints;
convertedPoints.reserve( aVertices.size() );
for( const VECTOR2D& precisePoint : aVertices )
convertedPoints.emplace_back( MapCoordinate( precisePoint ) );
if( convertedPoints.empty() )
return;
std::unique_ptr<LIB_SHAPE> polygon = std::make_unique<LIB_SHAPE>( m_symbol, SHAPE_T::POLY );
polygon->SetUnit( m_unit );
polygon->SetFilled( true );
polygon->SetFillMode( aColor != COLOR4D::UNSPECIFIED ? FILL_T::FILLED_WITH_COLOR
: FILL_T::FILLED_SHAPE );
polygon->SetFillColor( aColor );
polygon->SetPolyPoints( convertedPoints );
polygon->AddPoint( convertedPoints[0] ); // Need to close last point for libedit
polygon->SetStroke(
STROKE_PARAMS( aWidth != -1 ? MapLineWidth( aWidth ) : -1, PLOT_DASH_TYPE::SOLID ) );
addItem( std::move( polygon ) );
}
void GRAPHICS_IMPORTER_LIB_SYMBOL::AddText( const VECTOR2D& aOrigin, const wxString& aText,
double aHeight, double aWidth, double aThickness,
double aOrientation, GR_TEXT_H_ALIGN_T aHJustify,
GR_TEXT_V_ALIGN_T aVJustify, const COLOR4D& aColor )
{
std::unique_ptr<LIB_TEXT> textItem = std::make_unique<LIB_TEXT>( m_symbol );
textItem->SetUnit( m_unit );
textItem->SetTextColor( aColor );
textItem->SetTextThickness( MapLineWidth( aThickness ) );
textItem->SetTextPos( MapCoordinate( aOrigin ) );
textItem->SetTextAngle( EDA_ANGLE( aOrientation, DEGREES_T ) );
textItem->SetTextWidth( aWidth * ImportScalingFactor().x );
textItem->SetTextHeight( aHeight * ImportScalingFactor().y );
textItem->SetVertJustify( aVJustify );
textItem->SetHorizJustify( aHJustify );
textItem->SetText( aText );
addItem( std::move( textItem ) );
}
void GRAPHICS_IMPORTER_LIB_SYMBOL::AddSpline( const VECTOR2D& aStart, const VECTOR2D& BezierControl1,
const VECTOR2D& BezierControl2, const VECTOR2D& aEnd,
double aWidth, const COLOR4D& aColor )
{
std::unique_ptr<LIB_SHAPE> spline = std::make_unique<LIB_SHAPE>( m_symbol, SHAPE_T::BEZIER );
spline->SetUnit( m_unit );
spline->SetFillColor( aColor );
spline->SetStroke( STROKE_PARAMS( MapLineWidth( aWidth ), PLOT_DASH_TYPE::SOLID ) );
spline->SetStart( MapCoordinate( aStart ) );
spline->SetBezierC1( MapCoordinate( BezierControl1 ));
spline->SetBezierC2( MapCoordinate( BezierControl2 ));
spline->SetEnd( MapCoordinate( aEnd ) );
spline->RebuildBezierToSegmentsPointsList( aWidth );
// If the spline is degenerated (i.e. a segment) add it as segment or discard it if
// null (i.e. very small) length
if( spline->GetBezierPoints().size() <= 2 )
{
spline->SetShape( SHAPE_T::SEGMENT );
int dist = VECTOR2I(spline->GetStart()- spline->GetEnd()).EuclideanNorm();
// segment smaller than MIN_SEG_LEN_ACCEPTABLE_NM nanometers are skipped.
#define MIN_SEG_LEN_ACCEPTABLE_NM 20
if( dist < MIN_SEG_LEN_ACCEPTABLE_NM )
return;
}
addItem( std::move( spline ) );
}