409 lines
12 KiB
C++
409 lines
12 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) 2012 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
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* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 1992-2023 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU 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
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <pcb_edit_frame.h>
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#include <base_units.h>
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#include <bitmaps.h>
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#include <board.h>
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#include <board_design_settings.h>
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#include <core/mirror.h>
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#include <footprint.h>
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#include <pcb_text.h>
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#include <pcb_painter.h>
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#include <trigo.h>
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#include <string_utils.h>
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#include <geometry/shape_compound.h>
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#include <callback_gal.h>
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#include <convert_basic_shapes_to_polygon.h>
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PCB_TEXT::PCB_TEXT( BOARD_ITEM* parent, KICAD_T idtype ) :
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BOARD_ITEM( parent, idtype ),
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EDA_TEXT( pcbIUScale )
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{
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SetMultilineAllowed( true );
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}
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PCB_TEXT::~PCB_TEXT()
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{
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}
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wxString PCB_TEXT::GetShownText( bool aAllowExtraText, int aDepth ) const
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{
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BOARD* board = dynamic_cast<BOARD*>( GetParent() );
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std::function<bool( wxString* )> pcbTextResolver =
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[&]( wxString* token ) -> bool
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{
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if( token->IsSameAs( wxT( "LAYER" ) ) )
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{
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*token = GetLayerName();
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return true;
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}
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if( board->ResolveTextVar( token, aDepth + 1 ) )
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{
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return true;
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}
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return false;
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};
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wxString text = EDA_TEXT::GetShownText( aAllowExtraText, aDepth );
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if( board && HasTextVars() && aDepth < 10 )
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text = ExpandTextVars( text, &pcbTextResolver );
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return text;
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}
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bool PCB_TEXT::Matches( const EDA_SEARCH_DATA& aSearchData, void* aAuxData ) const
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{
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return BOARD_ITEM::Matches( UnescapeString( GetText() ), aSearchData );
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}
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double PCB_TEXT::ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const
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{
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constexpr double HIDE = std::numeric_limits<double>::max();
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KIGFX::PCB_PAINTER* painter = static_cast<KIGFX::PCB_PAINTER*>( aView->GetPainter() );
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KIGFX::PCB_RENDER_SETTINGS* renderSettings = painter->GetSettings();
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if( aLayer == LAYER_LOCKED_ITEM_SHADOW )
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{
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// Hide shadow if the main layer is not shown
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if( !aView->IsLayerVisible( m_layer ) )
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return HIDE;
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// Hide shadow on dimmed tracks
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if( renderSettings->GetHighContrast() )
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{
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if( m_layer != renderSettings->GetPrimaryHighContrastLayer() )
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return HIDE;
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}
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}
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return 0.0;
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}
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void PCB_TEXT::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
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{
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// Don't use GetShownText() here; we want to show the user the variable references
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aList.emplace_back( _( "PCB Text" ), KIUI::EllipsizeStatusText( aFrame, GetText() ) );
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if( aFrame->GetName() == PCB_EDIT_FRAME_NAME && IsLocked() )
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aList.emplace_back( _( "Status" ), _( "Locked" ) );
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aList.emplace_back( _( "Layer" ), GetLayerName() );
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aList.emplace_back( _( "Mirror" ), IsMirrored() ? _( "Yes" ) : _( "No" ) );
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aList.emplace_back( _( "Angle" ), wxString::Format( wxT( "%g" ), GetTextAngle().AsDegrees() ) );
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aList.emplace_back( _( "Font" ), GetFont() ? GetFont()->GetName() : _( "Default" ) );
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aList.emplace_back( _( "Thickness" ), aFrame->MessageTextFromValue( GetTextThickness() ) );
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aList.emplace_back( _( "Width" ), aFrame->MessageTextFromValue( GetTextWidth() ) );
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aList.emplace_back( _( "Height" ), aFrame->MessageTextFromValue( GetTextHeight() ) );
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}
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int PCB_TEXT::getKnockoutMargin() const
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{
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VECTOR2I textSize( GetTextWidth(), GetTextHeight() );
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int thickness = GetTextThickness();
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return thickness * 1.5 + GetKnockoutTextMargin( textSize, thickness );
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}
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const BOX2I PCB_TEXT::GetBoundingBox() const
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{
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BOX2I rect = GetTextBox();
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if( IsKnockout() )
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rect.Inflate( getKnockoutMargin() );
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if( !GetTextAngle().IsZero() )
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rect = rect.GetBoundingBoxRotated( GetTextPos(), GetTextAngle() );
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return rect;
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}
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bool PCB_TEXT::TextHitTest( const VECTOR2I& aPoint, int aAccuracy ) const
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{
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int accuracy = aAccuracy;
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if( IsKnockout() )
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accuracy += GetKnockoutTextMargin( GetTextSize(), GetTextThickness() );
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return EDA_TEXT::TextHitTest( aPoint, accuracy );
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}
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bool PCB_TEXT::TextHitTest( const BOX2I& aRect, bool aContains, int aAccuracy ) const
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{
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BOX2I rect = aRect;
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rect.Inflate( aAccuracy );
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if( aContains )
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return rect.Contains( GetBoundingBox() );
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return rect.Intersects( GetBoundingBox() );
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}
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void PCB_TEXT::Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle )
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{
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VECTOR2I pt = GetTextPos();
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RotatePoint( pt, aRotCentre, aAngle );
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SetTextPos( pt );
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EDA_ANGLE new_angle = GetTextAngle() + aAngle;
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new_angle.Normalize180();
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SetTextAngle( new_angle );
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}
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void PCB_TEXT::Mirror( const VECTOR2I& aCentre, bool aMirrorAroundXAxis )
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{
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// the position and justification are mirrored, but not the text itself
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if( aMirrorAroundXAxis )
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{
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if( GetTextAngle() == ANGLE_VERTICAL )
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SetHorizJustify( (GR_TEXT_H_ALIGN_T) -GetHorizJustify() );
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SetTextY( MIRRORVAL( GetTextPos().y, aCentre.y ) );
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}
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else
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{
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if( GetTextAngle() == ANGLE_HORIZONTAL )
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SetHorizJustify( (GR_TEXT_H_ALIGN_T) -GetHorizJustify() );
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SetTextX( MIRRORVAL( GetTextPos().x, aCentre.x ) );
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}
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}
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void PCB_TEXT::Flip( const VECTOR2I& aCentre, bool aFlipLeftRight )
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{
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if( aFlipLeftRight )
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{
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SetTextX( MIRRORVAL( GetTextPos().x, aCentre.x ) );
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SetTextAngle( -GetTextAngle() );
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}
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else
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{
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SetTextY( MIRRORVAL( GetTextPos().y, aCentre.y ) );
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SetTextAngle( ANGLE_180 - GetTextAngle() );
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}
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SetLayer( FlipLayer( GetLayer(), GetBoard()->GetCopperLayerCount() ) );
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if( ( GetLayerSet() & LSET::SideSpecificMask() ).any() )
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SetMirrored( !IsMirrored() );
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}
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wxString PCB_TEXT::GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const
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{
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return wxString::Format( _( "PCB Text '%s' on %s"),
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KIUI::EllipsizeMenuText( GetShownText( false ) ),
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GetLayerName() );
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}
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BITMAPS PCB_TEXT::GetMenuImage() const
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{
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return BITMAPS::text;
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}
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EDA_ITEM* PCB_TEXT::Clone() const
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{
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return new PCB_TEXT( *this );
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}
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void PCB_TEXT::swapData( BOARD_ITEM* aImage )
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{
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assert( aImage->Type() == PCB_TEXT_T );
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std::swap( *((PCB_TEXT*) this), *((PCB_TEXT*) aImage) );
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}
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std::shared_ptr<SHAPE> PCB_TEXT::GetEffectiveShape( PCB_LAYER_ID aLayer, FLASHING aFlash ) const
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{
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if( IsKnockout() )
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{
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SHAPE_POLY_SET poly;
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TransformTextToPolySet( poly, 0, GetBoard()->GetDesignSettings().m_MaxError, ERROR_INSIDE );
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return std::make_shared<SHAPE_POLY_SET>( poly );
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}
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return GetEffectiveTextShape();
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}
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void PCB_TEXT::buildBoundingHull( SHAPE_POLY_SET* aBuffer, const SHAPE_POLY_SET& aRenderedText,
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int aClearance ) const
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{
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SHAPE_POLY_SET poly( aRenderedText );
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poly.Rotate( -GetDrawRotation(), GetDrawPos() );
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BOX2I rect = poly.BBox( aClearance );
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VECTOR2I corners[4];
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corners[0].x = rect.GetOrigin().x;
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corners[0].y = rect.GetOrigin().y;
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corners[1].y = corners[0].y;
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corners[1].x = rect.GetRight();
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corners[2].x = corners[1].x;
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corners[2].y = rect.GetBottom();
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corners[3].y = corners[2].y;
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corners[3].x = corners[0].x;
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aBuffer->NewOutline();
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for( VECTOR2I& corner : corners )
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{
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RotatePoint( corner, GetDrawPos(), GetDrawRotation() );
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aBuffer->Append( corner.x, corner.y );
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}
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}
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void PCB_TEXT::TransformTextToPolySet( SHAPE_POLY_SET& aBuffer, int aClearance, int aError,
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ERROR_LOC aErrorLoc ) const
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{
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KIGFX::GAL_DISPLAY_OPTIONS empty_opts;
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KIFONT::FONT* font = getDrawFont();
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int penWidth = GetEffectiveTextPenWidth();
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// The polygonal shape of a text can have many basic shapes, so combining these shapes can
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// be very useful to create a final shape with a lot less vertices to speedup calculations.
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// Simplify shapes is not usually always efficient, but in this case it is.
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SHAPE_POLY_SET textShape;
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CALLBACK_GAL callback_gal( empty_opts,
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// Stroke callback
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[&]( const VECTOR2I& aPt1, const VECTOR2I& aPt2 )
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{
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TransformOvalToPolygon( textShape, aPt1, aPt2, penWidth, aError, aErrorLoc );
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},
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// Triangulation callback
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[&]( const VECTOR2I& aPt1, const VECTOR2I& aPt2, const VECTOR2I& aPt3 )
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{
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textShape.NewOutline();
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for( const VECTOR2I& point : { aPt1, aPt2, aPt3 } )
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textShape.Append( point.x, point.y );
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} );
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TEXT_ATTRIBUTES attrs = GetAttributes();
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attrs.m_Angle = GetDrawRotation();
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font->Draw( &callback_gal, GetShownText( true ), GetTextPos(), attrs );
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textShape.Simplify( SHAPE_POLY_SET::PM_FAST );
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if( IsKnockout() )
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{
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SHAPE_POLY_SET finalPoly;
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int margin = GetKnockoutTextMargin( attrs.m_Size, penWidth );
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buildBoundingHull( &finalPoly, textShape, margin + aClearance );
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finalPoly.BooleanSubtract( textShape, SHAPE_POLY_SET::PM_FAST );
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aBuffer.Append( finalPoly );
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}
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else
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{
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if( aClearance > 0 )
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{
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const int arc2segmentCount = 16;
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textShape.Inflate( aClearance, arc2segmentCount );
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}
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aBuffer.Append( textShape );
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}
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}
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void PCB_TEXT::TransformShapeToPolygon( SHAPE_POLY_SET& aBuffer, PCB_LAYER_ID aLayer,
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int aClearance, int aError, ERROR_LOC aErrorLoc,
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bool aIgnoreLineWidth ) const
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{
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SHAPE_POLY_SET poly;
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TransformTextToPolySet( poly, 0, GetBoard()->GetDesignSettings().m_MaxError, aErrorLoc );
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buildBoundingHull( &aBuffer, poly, aClearance );
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}
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static struct PCB_TEXT_DESC
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{
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PCB_TEXT_DESC()
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{
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PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
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REGISTER_TYPE( PCB_TEXT );
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propMgr.AddTypeCast( new TYPE_CAST<PCB_TEXT, BOARD_ITEM> );
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propMgr.AddTypeCast( new TYPE_CAST<PCB_TEXT, EDA_TEXT> );
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propMgr.InheritsAfter( TYPE_HASH( PCB_TEXT ), TYPE_HASH( BOARD_ITEM ) );
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propMgr.InheritsAfter( TYPE_HASH( PCB_TEXT ), TYPE_HASH( EDA_TEXT ) );
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propMgr.AddProperty( new PROPERTY<PCB_TEXT, bool, BOARD_ITEM>( _HKI( "Knockout" ),
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&BOARD_ITEM::SetIsKnockout, &BOARD_ITEM::IsKnockout ),
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_HKI( "Text Properties" ) );
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auto isFootprintText =
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[]( INSPECTABLE* aItem ) -> bool
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{
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if( PCB_TEXT* text = dynamic_cast<PCB_TEXT*>( aItem ) )
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return text->GetParentFootprint();
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return false;
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};
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propMgr.OverrideAvailability( TYPE_HASH( PCB_TEXT ), TYPE_HASH( EDA_TEXT ),
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_HKI( "Visible" ), isFootprintText );
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propMgr.OverrideAvailability( TYPE_HASH( PCB_TEXT ), TYPE_HASH( EDA_TEXT ),
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_HKI( "Hyperlink" ),
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[]( INSPECTABLE* aItem ) { return false; } );
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}
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} _PCB_TEXT_DESC;
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