341 lines
11 KiB
C++
341 lines
11 KiB
C++
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/*
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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) 2022 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 <footprint.h>
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#include <pcb_textbox.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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#include "macros.h"
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using KIGFX::PCB_RENDER_SETTINGS;
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PCB_TEXTBOX::PCB_TEXTBOX( BOARD_ITEM* parent ) :
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PCB_SHAPE( parent, PCB_TEXTBOX_T, SHAPE_T::RECT ),
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EDA_TEXT()
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{
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SetHorizJustify( GR_TEXT_H_ALIGN_LEFT );
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SetVertJustify( GR_TEXT_V_ALIGN_TOP );
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SetMultilineAllowed( true );
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}
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PCB_TEXTBOX::~PCB_TEXTBOX()
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{
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}
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int PCB_TEXTBOX::GetTextMargin() const
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{
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return KiROUND( GetTextSize().y * 0.8 );
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}
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std::vector<VECTOR2I> PCB_TEXTBOX::GetAnchorAndOppositeCorner() const
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{
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EDA_ANGLE epsilon( 1.0, DEGREES_T ); // Yeah, it's a pretty coarse epsilon, but anything
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// under 45° will work for our purposes.
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std::vector<VECTOR2I> pts;
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std::vector<VECTOR2I> corners = GetCorners();
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EDA_ANGLE textAngle = GetDrawRotation().Normalize();
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EDA_ANGLE toCorner1 = EDA_ANGLE( corners[1] - corners[0] ).Normalize();
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EDA_ANGLE fromCorner1 = ( toCorner1 + ANGLE_180 ).Normalize();
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pts.emplace_back( corners[0] );
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if( std::abs( toCorner1 - textAngle ) < epsilon || std::abs( fromCorner1 - textAngle ) < epsilon )
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pts.emplace_back( corners[1] );
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else
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pts.emplace_back( corners[3] );
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return pts;
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}
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VECTOR2I PCB_TEXTBOX::GetDrawPos() const
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{
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std::vector<VECTOR2I> corners = GetAnchorAndOppositeCorner();
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GR_TEXT_H_ALIGN_T effectiveAlignment = GetHorizJustify();
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VECTOR2I textAnchor;
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VECTOR2I offset;
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if( IsMirrored() )
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{
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switch( GetHorizJustify() )
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{
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case GR_TEXT_H_ALIGN_LEFT: effectiveAlignment = GR_TEXT_H_ALIGN_RIGHT; break;
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case GR_TEXT_H_ALIGN_CENTER: effectiveAlignment = GR_TEXT_H_ALIGN_CENTER; break;
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case GR_TEXT_H_ALIGN_RIGHT: effectiveAlignment = GR_TEXT_H_ALIGN_LEFT; break;
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}
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}
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switch( effectiveAlignment )
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{
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case GR_TEXT_H_ALIGN_LEFT:
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textAnchor = corners[0];
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offset = VECTOR2I( GetTextMargin(), GetTextMargin() );
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break;
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case GR_TEXT_H_ALIGN_CENTER:
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textAnchor = ( corners[0] + corners[1] ) / 2;
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offset = VECTOR2I( 0, GetTextMargin() );
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break;
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case GR_TEXT_H_ALIGN_RIGHT:
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textAnchor = corners[1];
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offset = VECTOR2I( -GetTextMargin(), GetTextMargin() );
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break;
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}
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RotatePoint( offset, GetDrawRotation() );
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return textAnchor + offset;
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}
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wxString PCB_TEXTBOX::GetShownText( 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( token->Contains( ':' ) )
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{
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wxString remainder;
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wxString ref = token->BeforeFirst( ':', &remainder );
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BOARD_ITEM* refItem = board->GetItem( KIID( ref ) );
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if( refItem && refItem->Type() == PCB_FOOTPRINT_T )
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{
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FOOTPRINT* refFP = static_cast<FOOTPRINT*>( refItem );
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if( refFP->ResolveTextVar( &remainder, aDepth + 1 ) )
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{
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*token = remainder;
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return true;
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}
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}
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}
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return false;
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};
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std::function<bool( wxString* )> boardTextResolver =
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[&]( wxString* token ) -> bool
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{
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return board->ResolveTextVar( token, aDepth + 1 );
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};
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wxString text = EDA_TEXT::GetShownText();
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if( board && HasTextVars() && aDepth < 10 )
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text = ExpandTextVars( text, &pcbTextResolver, &boardTextResolver, board->GetProject() );
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KIFONT::FONT* font = GetDrawFont();
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std::vector<VECTOR2I> corners = GetAnchorAndOppositeCorner();
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int colWidth = ( corners[1] - corners[0] ).EuclideanNorm();
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colWidth -= GetTextMargin() * 2;
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font->LinebreakText( text, colWidth, GetTextSize(), GetTextThickness(), IsBold(), IsItalic() );
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return text;
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}
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void PCB_TEXTBOX::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
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{
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EDA_UNITS units = aFrame->GetUserUnits();
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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( _( "Text Box" ), UnescapeString( 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( "%g", GetTextAngle().AsDegrees() ) );
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aList.emplace_back( _( "Thickness" ), MessageTextFromValue( units, GetTextThickness() ) );
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aList.emplace_back( _( "Width" ), MessageTextFromValue( units, GetTextWidth() ) );
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aList.emplace_back( _( "Height" ), MessageTextFromValue( units, GetTextHeight() ) );
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}
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void PCB_TEXTBOX::Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle )
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{
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PCB_SHAPE::Rotate( aRotCentre, aAngle );
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SetTextAngle( GetTextAngle() + aAngle );
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}
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void PCB_TEXTBOX::Flip( const VECTOR2I& aCentre, bool aFlipLeftRight )
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{
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if( aFlipLeftRight )
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{
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m_start.x = aCentre.x - ( m_start.x - aCentre.x );
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m_end.x = aCentre.x - ( m_end.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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m_start.y = aCentre.y - ( m_start.y - aCentre.y );
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m_end.y = aCentre.y - ( m_end.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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SetMirrored( !IsMirrored() );
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}
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bool PCB_TEXTBOX::HitTest( const VECTOR2I& aPosition, int aAccuracy ) const
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{
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EDA_RECT rect = GetBoundingBox();
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rect.Inflate( aAccuracy );
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return rect.Contains( aPosition );
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}
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bool PCB_TEXTBOX::HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy ) const
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{
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EDA_RECT rect = aRect;
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rect.Inflate( aAccuracy );
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if( aContained )
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return rect.Contains( GetBoundingBox() );
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return rect.Intersects( GetBoundingBox() );
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}
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wxString PCB_TEXTBOX::GetSelectMenuText( EDA_UNITS aUnits ) const
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{
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return wxString::Format( _( "PCB Text Box on %s"), GetLayerName() );
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}
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BITMAPS PCB_TEXTBOX::GetMenuImage() const
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{
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return BITMAPS::add_textbox;
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}
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EDA_ITEM* PCB_TEXTBOX::Clone() const
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{
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return new PCB_TEXTBOX( *this );
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}
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void PCB_TEXTBOX::SwapData( BOARD_ITEM* aImage )
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{
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assert( aImage->Type() == PCB_TEXTBOX_T );
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std::swap( *((PCB_TEXTBOX*) this), *((PCB_TEXTBOX*) aImage) );
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}
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std::shared_ptr<SHAPE> PCB_TEXTBOX::GetEffectiveShape( PCB_LAYER_ID aLayer ) const
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{
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if( PCB_SHAPE::GetStroke().GetWidth() >= 0 )
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return PCB_SHAPE::GetEffectiveShape( aLayer );
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else
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return GetEffectiveTextShape();
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}
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void PCB_TEXTBOX::TransformTextShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
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PCB_LAYER_ID aLayer, int aClearance,
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int aError, 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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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( aCornerBuffer, aPt1, aPt2, penWidth+ ( 2 * aClearance ),
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aError, ERROR_INSIDE );
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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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aCornerBuffer.NewOutline();
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for( const VECTOR2I& point : { aPt1, aPt2, aPt3 } )
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aCornerBuffer.Append( point.x, point.y );
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} );
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font->Draw( &callback_gal, GetShownText(), GetTextPos(), GetAttributes() );
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}
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void PCB_TEXTBOX::TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer,
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PCB_LAYER_ID aLayer, int aClearance,
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int aError, ERROR_LOC aErrorLoc,
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bool aIgnoreLineWidth ) const
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{
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if( PCB_SHAPE::GetStroke().GetWidth() >= 0 )
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{
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PCB_SHAPE::TransformShapeWithClearanceToPolygon( aCornerBuffer, aLayer, aClearance,
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aError, aErrorLoc );
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}
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else
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{
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EDA_TEXT::TransformBoundingBoxWithClearanceToPolygon( &aCornerBuffer, aClearance );
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}
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}
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static struct PCB_TEXTBOX_DESC
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{
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PCB_TEXTBOX_DESC()
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{
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PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
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REGISTER_TYPE( PCB_TEXTBOX );
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propMgr.AddTypeCast( new TYPE_CAST<PCB_TEXTBOX, PCB_SHAPE> );
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propMgr.AddTypeCast( new TYPE_CAST<PCB_TEXTBOX, EDA_TEXT> );
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propMgr.InheritsAfter( TYPE_HASH( PCB_TEXTBOX ), TYPE_HASH( PCB_SHAPE ) );
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propMgr.InheritsAfter( TYPE_HASH( PCB_TEXTBOX ), TYPE_HASH( EDA_TEXT ) );
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}
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} _PCB_TEXTBOX_DESC;
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