kicad/pcbnew/import_gfx/graphics_importer_pcbnew.cpp

228 lines
8.2 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_pcbnew.h"
#include <board.h>
#include <footprint.h>
#include <pcb_shape.h>
#include <pcb_text.h>
#include <memory>
#include <tuple>
GRAPHICS_IMPORTER_PCBNEW::GRAPHICS_IMPORTER_PCBNEW( BOARD_ITEM_CONTAINER* aParent ) :
m_parent( aParent )
{
m_layer = Dwgs_User;
m_millimeterToIu = pcbIUScale.mmToIU( 1.0 );
}
VECTOR2I GRAPHICS_IMPORTER_PCBNEW::MapCoordinate( const VECTOR2D& aCoordinate )
{
VECTOR2D coord = aCoordinate;
coord *= GetScale();
coord += GetImportOffsetMM();
coord *= GetMillimeterToIuFactor();
return VECTOR2I( KiROUND( coord.x ), KiROUND( coord.y ) );
}
int GRAPHICS_IMPORTER_PCBNEW::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 );
}
STROKE_PARAMS GRAPHICS_IMPORTER_PCBNEW::MapStrokeParams( const IMPORTED_STROKE& aStroke )
{
double width = aStroke.GetWidth();
return STROKE_PARAMS( width != -1 ? MapLineWidth( width ) : -1, aStroke.GetPlotStyle(),
aStroke.GetColor() );
}
void GRAPHICS_IMPORTER_PCBNEW::AddLine( const VECTOR2D& aStart, const VECTOR2D& aEnd,
const IMPORTED_STROKE& aStroke )
{
std::unique_ptr<PCB_SHAPE> line = std::make_unique<PCB_SHAPE>( m_parent );
line->SetShape( SHAPE_T::SEGMENT );
line->SetLayer( GetLayer() );
line->SetStroke( MapStrokeParams( aStroke ) );
line->SetStart( MapCoordinate( aStart ) );
line->SetEnd( MapCoordinate( aEnd ) );
// Skip 0 len lines:
if( line->GetStart() == line->GetEnd() )
return;
addItem( std::move( line ) );
}
void GRAPHICS_IMPORTER_PCBNEW::AddCircle( const VECTOR2D& aCenter, double aRadius,
const IMPORTED_STROKE& aStroke, bool aFilled,
const COLOR4D& aFillColor )
{
std::unique_ptr<PCB_SHAPE> circle = std::make_unique<PCB_SHAPE>( m_parent );
circle->SetShape( SHAPE_T::CIRCLE );
circle->SetFilled( aFilled );
circle->SetLayer( GetLayer() );
circle->SetStroke( MapStrokeParams( aStroke ) );
circle->SetStart( MapCoordinate( aCenter ) );
circle->SetEnd( MapCoordinate( VECTOR2D( aCenter.x + aRadius, aCenter.y ) ) );
addItem( std::move( circle ) );
}
void GRAPHICS_IMPORTER_PCBNEW::AddArc( const VECTOR2D& aCenter, const VECTOR2D& aStart,
const EDA_ANGLE& aAngle, const IMPORTED_STROKE& aStroke )
{
std::unique_ptr<PCB_SHAPE> arc = std::make_unique<PCB_SHAPE>( m_parent );
arc->SetShape( SHAPE_T::ARC );
arc->SetLayer( GetLayer() );
/**
* We need to perform the rotation/conversion here while still using floating point values
* to avoid rounding errors when operating in integer space in pcbnew
*/
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 Pcbnew. 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 = MapCoordinate( aCenter );
double radius = ( center - MapCoordinate( aStart ) ).EuclideanNorm();
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, aStroke );
return;
}
arc->SetStroke( MapStrokeParams( aStroke ) );
addItem( std::move( arc ) );
}
void GRAPHICS_IMPORTER_PCBNEW::AddPolygon( const std::vector<VECTOR2D>& aVertices,
const IMPORTED_STROKE& aStroke, bool aFilled,
const COLOR4D& aFillColor )
{
std::vector<VECTOR2I> convertedPoints;
convertedPoints.reserve( aVertices.size() );
for( const VECTOR2D& precisePoint : aVertices )
convertedPoints.emplace_back( MapCoordinate( precisePoint ) );
std::unique_ptr<PCB_SHAPE> polygon = std::make_unique<PCB_SHAPE>( m_parent );
polygon->SetShape( SHAPE_T::POLY );
polygon->SetFilled( GetLayer() != Edge_Cuts );
polygon->SetLayer( GetLayer() );
polygon->SetPolyPoints( convertedPoints );
if( FOOTPRINT* parentFP = polygon->GetParentFootprint() )
{
polygon->Rotate( { 0, 0 }, parentFP->GetOrientation() );
polygon->Move( parentFP->GetPosition() );
}
polygon->SetStroke( MapStrokeParams( aStroke ) );
addItem( std::move( polygon ) );
}
void GRAPHICS_IMPORTER_PCBNEW::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<PCB_TEXT> textItem = std::make_unique<PCB_TEXT>( m_parent );
textItem->SetLayer( GetLayer() );
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_PCBNEW::AddSpline( const VECTOR2D& aStart, const VECTOR2D& aBezierControl1,
const VECTOR2D& aBezierControl2, const VECTOR2D& aEnd,
const IMPORTED_STROKE& aStroke )
{
std::unique_ptr<PCB_SHAPE> spline = std::make_unique<PCB_SHAPE>( m_parent );
spline->SetShape( SHAPE_T::BEZIER );
spline->SetLayer( GetLayer() );
spline->SetStroke( MapStrokeParams( aStroke ) );
spline->SetStart( MapCoordinate( aStart ) );
spline->SetBezierC1( MapCoordinate( aBezierControl1 ));
spline->SetBezierC2( MapCoordinate( aBezierControl2 ));
spline->SetEnd( MapCoordinate( aEnd ) );
spline->RebuildBezierToSegmentsPointsList( aStroke.GetWidth() );
// 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 ) );
}