sch_shape.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2017 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 2004-2022 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 <sch_draw_panel.h>
#include <macros.h>
#include <plotters/plotter.h>
#include <base_units.h>
#include <widgets/msgpanel.h>
#include <bitmaps.h>
#include <eda_draw_frame.h>
#include <general.h>
#include <schematic.h>
#include <sch_shape.h>
#include "plotters/plotter.h"
 
 
SCH_SHAPE::SCH_SHAPE( SHAPE_T aShape, int aLineWidth, FILL_T aFillType, KICAD_T aType ) :
 SCH_ITEM( nullptr, aType ),
 EDA_SHAPE( aShape, aLineWidth, aFillType )
{
 SetLayer( LAYER_NOTES );
}
 
 
EDA_ITEM* SCH_SHAPE::Clone() const
{
 return new SCH_SHAPE( *this );
}
 
 
void SCH_SHAPE::SwapData( SCH_ITEM* aItem )
{
 SCH_SHAPE* shape = static_cast<SCH_SHAPE*>( aItem );
 
 EDA_SHAPE::SwapShape( shape );
 std::swap( m_layer, shape->m_layer );
}
 
 
void SCH_SHAPE::SetStroke( const STROKE_PARAMS& aStroke )
{
 m_stroke = aStroke;
}
 
 
void SCH_SHAPE::Move( const VECTOR2I& aOffset )
{
 move( aOffset );
}
 
 
void SCH_SHAPE::Normalize()
{
 if( GetShape() == SHAPE_T::RECT )
 {
 VECTOR2I size = GetEnd() - GetPosition();
 
 if( size.y < 0 )
 {
 SetStartY( GetStartY() + size.y );
 SetEndY( GetStartY() - size.y );
 }
 
 if( size.x < 0 )
 {
 SetStartX( GetStartX() + size.x );
 SetEndX( GetStartX() - size.x );
 }
 }
}
 
 
void SCH_SHAPE::MirrorHorizontally( int aCenter )
{
 flip( VECTOR2I( aCenter, 0 ), true );
}
 
 
void SCH_SHAPE::MirrorVertically( int aCenter )
{
 flip( VECTOR2I( 0, aCenter ), false );
}
 
 
void SCH_SHAPE::Rotate( const VECTOR2I& aCenter )
{
 rotate( aCenter, -ANGLE_90 );
}
 
 
void SCH_SHAPE::Plot( PLOTTER* aPlotter, bool aBackground ) const
{
 int pen_size = std::max( GetPenWidth(), aPlotter->RenderSettings()->GetMinPenWidth() );
 
 static std::vector<VECTOR2I> cornerList;
 
 if( GetShape() == SHAPE_T::POLY )
 {
 cornerList.clear();
 
 for( const VECTOR2I& pt : m_poly.Outline( 0 ).CPoints() )
 cornerList.push_back( pt );
 }
 
 if( aBackground )
 {
 if( !aPlotter->GetColorMode() )
 return;
 
 if( m_fill == FILL_T::FILLED_WITH_COLOR && GetFillColor() != COLOR4D::UNSPECIFIED )
 {
 if( GetFillColor() != COLOR4D::UNSPECIFIED )
 aPlotter->SetColor( GetFillColor() );
 else
 aPlotter->SetColor( aPlotter->RenderSettings()->GetLayerColor( LAYER_NOTES ) );
 
 switch( GetShape() )
 {
 case SHAPE_T::ARC:
 {
 // In some plotters (not all) the arc is approximated by segments, and
 // a error max is needed. We try to approximate by 360/5 segments by 360 deg
 int arc2segment_error = CircleToEndSegmentDeltaRadius( GetRadius(), 360/5 );
 aPlotter->Arc( getCenter(), GetStart(), GetEnd(), m_fill, 0, arc2segment_error );
 }
 
 break;
 
 case SHAPE_T::CIRCLE:
 aPlotter->Circle( getCenter(), GetRadius() * 2, m_fill, 0 );
 break;
 
 case SHAPE_T::RECT:
 aPlotter->Rect( GetStart(), GetEnd(), m_fill, 0 );
 break;
 
 case SHAPE_T::POLY:
 aPlotter->PlotPoly( cornerList, m_fill, 0 );
 break;
 
 case SHAPE_T::BEZIER:
 aPlotter->PlotPoly( m_bezierPoints, m_fill, 0 );
 break;
 
 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 }
 }
 }
 else /* if( aForeground ) */
 {
 if( aPlotter->GetColorMode() && GetStroke().GetColor() != COLOR4D::UNSPECIFIED )
 aPlotter->SetColor( GetStroke().GetColor() );
 else
 aPlotter->SetColor( aPlotter->RenderSettings()->GetLayerColor( LAYER_NOTES ) );
 
 aPlotter->SetCurrentLineWidth( pen_size );
 aPlotter->SetDash( pen_size, GetEffectiveLineStyle() );
 
 switch( GetShape() )
 {
 case SHAPE_T::ARC:
 {
 // In some plotters (not all) the arc is approximated by segments, and
 // a error max is needed. We try to approximate by 360/5 segments by 360 deg
 int arc2segment_error = CircleToEndSegmentDeltaRadius( GetRadius(), 360/5 );
 aPlotter->Arc( getCenter(), GetStart(), GetEnd(), FILL_T::NO_FILL, pen_size, arc2segment_error );
 }
 
 break;
 
 case SHAPE_T::CIRCLE:
 aPlotter->Circle( getCenter(), GetRadius() * 2, FILL_T::NO_FILL, pen_size );
 break;
 
 case SHAPE_T::RECT:
 {
 std::vector<VECTOR2I> pts = GetRectCorners();
 
 aPlotter->MoveTo( pts[0] );
 aPlotter->LineTo( pts[1] );
 aPlotter->LineTo( pts[2] );
 aPlotter->LineTo( pts[3] );
 aPlotter->FinishTo( pts[0] );
 }
 break;
 
 case SHAPE_T::POLY:
 aPlotter->PlotPoly( cornerList, FILL_T::NO_FILL, pen_size );
 break;
 
 case SHAPE_T::BEZIER:
 aPlotter->PlotPoly( m_bezierPoints, FILL_T::NO_FILL, pen_size );
 break;
 
 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 }
 
 aPlotter->SetDash( pen_size, PLOT_DASH_TYPE::SOLID );
 }
}
 
 
int SCH_SHAPE::GetPenWidth() const
{
 if( m_stroke.GetWidth() > 0 )
 return m_stroke.GetWidth();
 
 // Historically 0 meant "default width" and negative numbers meant "don't stroke".
 if( GetWidth() < 0 )
 return 0;
 
 SCHEMATIC* schematic = Schematic();
 
 if( schematic )
 return schematic->Settings().m_DefaultLineWidth;
 
 return schIUScale.MilsToIU( DEFAULT_LINE_WIDTH_MILS );
}
 
 
void SCH_SHAPE::PrintBackground( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset )
{
 wxDC* DC = aSettings->GetPrintDC();
 COLOR4D color;
 
 unsigned ptCount = 0;
 VECTOR2I* buffer = nullptr;
 
 if( GetShape() == SHAPE_T::POLY )
 {
 SHAPE_LINE_CHAIN poly = m_poly.Outline( 0 );
 
 ptCount = poly.GetPointCount();
 buffer = new VECTOR2I[ptCount];
 
 for( unsigned ii = 0; ii < ptCount; ++ii )
 buffer[ii] = poly.CPoint( ii );
 }
 else if( GetShape() == SHAPE_T::BEZIER )
 {
 ptCount = m_bezierPoints.size();
 buffer = new VECTOR2I[ptCount];
 
 for( size_t ii = 0; ii < ptCount; ++ii )
 buffer[ii] = m_bezierPoints[ii];
 }
 
 if( GetFillMode() == FILL_T::FILLED_WITH_COLOR )
 {
 if( GetFillColor() == COLOR4D::UNSPECIFIED )
 color = aSettings->GetLayerColor( LAYER_NOTES );
 else
 color = GetFillColor();
 
 switch( GetShape() )
 {
 case SHAPE_T::ARC:
 GRFilledArc( DC, GetEnd(), GetStart(), getCenter(), 0, color, color );
 break;
 
 case SHAPE_T::CIRCLE:
 GRFilledCircle( DC, GetStart(), GetRadius(), 0, color, color );
 break;
 
 case SHAPE_T::RECT:
 GRFilledRect( DC, GetStart(), GetEnd(), 0, color, color );
 break;
 
 case SHAPE_T::POLY:
 GRPoly( DC, ptCount, buffer, true, 0, color, color );
 break;
 
 case SHAPE_T::BEZIER:
 GRPoly( DC, ptCount, buffer, true, 0, color, color );
 break;
 
 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 }
 }
 
 delete[] buffer;
 
}
 
 
void SCH_SHAPE::Print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset )
{
 int penWidth = GetPenWidth();
 wxDC* DC = aSettings->GetPrintDC();
 COLOR4D color = GetStroke().GetColor();
 
 if( color == COLOR4D::UNSPECIFIED )
 color = aSettings->GetLayerColor( LAYER_NOTES );
 
 COLOR4D bg = aSettings->GetBackgroundColor();
 
 if( bg == COLOR4D::UNSPECIFIED || GetGRForceBlackPenState() )
 bg = COLOR4D::WHITE;
 
 unsigned ptCount = 0;
 VECTOR2I* buffer = nullptr;
 
 if( GetShape() == SHAPE_T::POLY )
 {
 SHAPE_LINE_CHAIN poly = m_poly.Outline( 0 );
 
 ptCount = poly.GetPointCount();
 buffer = new VECTOR2I[ptCount];
 
 for( unsigned ii = 0; ii < ptCount; ++ii )
 buffer[ii] = poly.CPoint( ii );
 }
 else if( GetShape() == SHAPE_T::BEZIER )
 {
 ptCount = m_bezierPoints.size();
 buffer = new VECTOR2I[ptCount];
 
 for( size_t ii = 0; ii < ptCount; ++ii )
 buffer[ii] = m_bezierPoints[ii];
 }
 
 COLOR4D fillColor = COLOR4D::UNSPECIFIED;
 
 if( GetFillMode() == FILL_T::FILLED_SHAPE )
 fillColor = color;
  else if( GetFillMode() == FILL_T::FILLED_WITH_COLOR )
 fillColor = GetFillColor();
 
 if( fillColor != COLOR4D::UNSPECIFIED )
 {
 switch( GetShape() )
 {
 case SHAPE_T::ARC:
 GRFilledArc( DC, GetEnd(), GetStart(), getCenter(), 0, fillColor, fillColor );
 break;
 
 case SHAPE_T::CIRCLE:
 GRFilledCircle( DC, GetStart(), GetRadius(), 0, fillColor, fillColor );
 break;
 
 case SHAPE_T::RECT:
 GRFilledRect( DC, GetStart(), GetEnd(), 0, fillColor, fillColor );
 break;
 
 case SHAPE_T::POLY:
 GRPoly( DC, ptCount, buffer, true, 0, fillColor, fillColor );
 break;
 
 case SHAPE_T::BEZIER:
 GRPoly( DC, ptCount, buffer, true, 0, fillColor, fillColor );
 break;
 
 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 }
 }
 else
 {
 penWidth = std::max( penWidth, aSettings->GetMinPenWidth() );
 }
 
 if( penWidth > 0 )
 {
 if( GetEffectiveLineStyle() == PLOT_DASH_TYPE::SOLID )
 {
 switch( GetShape() )
 {
 case SHAPE_T::ARC:
 GRArc( DC, GetEnd(), GetStart(), getCenter(), penWidth, color );
 break;
 
 case SHAPE_T::CIRCLE:
 GRCircle( DC, GetStart(), GetRadius(), penWidth, color );
 break;
 
 case SHAPE_T::RECT:
 GRRect( DC, GetStart(), GetEnd(), penWidth, color );
 break;
 
 case SHAPE_T::POLY:
 GRPoly( DC, ptCount, buffer, false, penWidth, color, color );
 break;
 
 case SHAPE_T::BEZIER:
 GRPoly( DC, ptCount, buffer, false, penWidth, color, color );
 break;
 
 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 }
 }
 else
 {
 std::vector<SHAPE*> shapes = MakeEffectiveShapes( true );
 
 for( SHAPE* shape : shapes )
 {
 STROKE_PARAMS::Stroke( shape, GetEffectiveLineStyle(), penWidth, aSettings,
 [&]( const VECTOR2I& a, const VECTOR2I& b )
 {
 GRLine( DC, a.x, a.y, b.x, b.y, penWidth, color );
 } );
 }
 
 for( SHAPE* shape : shapes )
 delete shape;
 }
 }
 
 delete[] buffer;
}
 
 
void SCH_SHAPE::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
{
 SCH_ITEM::GetMsgPanelInfo( aFrame, aList );
 
 ShapeGetMsgPanelInfo( aFrame, aList );
}
 
 
wxString SCH_SHAPE::GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const
{
 switch( GetShape() )
 {
 case SHAPE_T::ARC:
 return wxString::Format( _( "Arc, radius %s" ),
 aUnitsProvider->MessageTextFromValue( GetRadius() ) );
 
 case SHAPE_T::CIRCLE:
 return wxString::Format( _( "Circle, radius %s" ),
 aUnitsProvider->MessageTextFromValue( GetRadius() ) );
 
 case SHAPE_T::RECT:
 return wxString::Format( _( "Rectangle, width %s height %s" ),
 aUnitsProvider->MessageTextFromValue( std::abs( m_start.x - m_end.x ) ),
 aUnitsProvider->MessageTextFromValue( std::abs( m_start.y - m_end.y ) ) );
 
 case SHAPE_T::POLY:
 return wxString::Format( _( "Polyline, %d points" ),
 int( m_poly.Outline( 0 ).GetPointCount() ) );
 
 case SHAPE_T::BEZIER:
 return wxString::Format( _( "Bezier Curve, %d points" ),
 int( m_bezierPoints.size() ) );
 
 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 return wxEmptyString;
 }
}
 
 
BITMAPS SCH_SHAPE::GetMenuImage() const
{
 switch( GetShape() )
 {
 case SHAPE_T::SEGMENT: return BITMAPS::add_line;
 case SHAPE_T::ARC: return BITMAPS::add_arc;
 case SHAPE_T::CIRCLE: return BITMAPS::add_circle;
 case SHAPE_T::RECT: return BITMAPS::add_rectangle;
 case SHAPE_T::POLY: return BITMAPS::add_graphical_segments;
 
 default:
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 return BITMAPS::question_mark;
 }
}
 
 
void SCH_SHAPE::ViewGetLayers( int aLayers[], int& aCount ) const
{
 aCount = 3;
 aLayers[0] = LAYER_NOTES;
 aLayers[1] = LAYER_NOTES_BACKGROUND;
 aLayers[2] = LAYER_SELECTION_SHADOWS;
}
 
 
void SCH_SHAPE::AddPoint( const VECTOR2I& aPosition )
{
 if( GetShape() == SHAPE_T::POLY )
 {
 if( m_poly.IsEmpty() )
 m_poly.NewOutline();
 
 m_poly.Outline( 0 ).Append( aPosition, true );
 }
 else
 {
 UNIMPLEMENTED_FOR( SHAPE_T_asString() );
 }
}