515 lines
14 KiB
C++
515 lines
14 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) 2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 1992-2022 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 <core/mirror.h>
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#include <footprint.h>
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#include <settings/settings_manager.h>
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#include <trigo.h>
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#include <string_utils.h>
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#include <painter.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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FP_TEXT::FP_TEXT( FOOTPRINT* aParentFootprint, TEXT_TYPE text_type ) :
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BOARD_ITEM( aParentFootprint, PCB_FP_TEXT_T ),
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EDA_TEXT()
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{
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FOOTPRINT* parentFootprint = static_cast<FOOTPRINT*>( m_parent );
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m_Type = text_type;
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SetKeepUpright( true );
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// Set text thickness to a default value
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SetTextThickness( Millimeter2iu( DEFAULT_TEXT_WIDTH ) );
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SetLayer( F_SilkS );
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// Set position and give a default layer if a valid parent footprint exists
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if( parentFootprint && parentFootprint->Type() == PCB_FOOTPRINT_T )
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{
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SetTextPos( parentFootprint->GetPosition() );
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if( IsBackLayer( parentFootprint->GetLayer() ) )
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{
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SetLayer( B_SilkS );
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SetMirrored( true );
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}
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}
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SetDrawCoord();
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}
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FP_TEXT::~FP_TEXT()
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{
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}
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bool FP_TEXT::TextHitTest( const VECTOR2I& aPoint, int aAccuracy ) const
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{
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EDA_RECT rect = GetTextBox();
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VECTOR2I location = aPoint;
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rect.Inflate( aAccuracy );
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RotatePoint( location, GetTextPos(), -GetDrawRotation() );
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return rect.Contains( location );
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}
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bool FP_TEXT::TextHitTest( const EDA_RECT& aRect, bool aContains, 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( aContains )
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return rect.Contains( GetBoundingBox() );
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else
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return rect.Intersects( GetTextBox(), GetDrawRotation() );
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}
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void FP_TEXT::KeepUpright( const EDA_ANGLE& aOldOrientation, const EDA_ANGLE& aNewOrientation )
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{
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if( !IsKeepUpright() )
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return;
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EDA_ANGLE newAngle = GetTextAngle() + aNewOrientation;
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newAngle.Normalize();
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bool needsFlipped = newAngle >= ANGLE_180;
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if( needsFlipped )
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{
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SetHorizJustify( static_cast<GR_TEXT_H_ALIGN_T>( -GetHorizJustify() ) );
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SetTextAngle( GetTextAngle() + ANGLE_180 );
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SetDrawCoord();
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}
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}
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void FP_TEXT::Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle )
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{
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// Used in footprint editing
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// Note also in footprint editor, m_Pos0 = m_Pos
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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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SetLocalCoord();
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}
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void FP_TEXT::Flip( const VECTOR2I& aCentre, bool aFlipLeftRight )
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{
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// flipping the footprint is relative to the X axis
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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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SetMirrored( IsBackLayer( GetLayer() ) );
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SetLocalCoord();
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}
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bool FP_TEXT::IsParentFlipped() const
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{
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if( GetParent() && GetParent()->GetLayer() == B_Cu )
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return true;
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return false;
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}
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void FP_TEXT::Mirror( const VECTOR2I& aCentre, bool aMirrorAroundXAxis )
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{
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// the position is mirrored, but the text itself is not mirrored
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if( aMirrorAroundXAxis )
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SetTextY( ::MIRRORVAL( GetTextPos().y, aCentre.y ) );
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else
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SetTextX( ::MIRRORVAL( GetTextPos().x, aCentre.x ) );
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SetLocalCoord();
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}
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void FP_TEXT::Move( const VECTOR2I& aMoveVector )
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{
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Offset( aMoveVector );
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SetLocalCoord();
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}
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int FP_TEXT::GetLength() const
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{
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return GetText().Len();
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}
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void FP_TEXT::SetDrawCoord()
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{
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const FOOTPRINT* parentFootprint = static_cast<const FOOTPRINT*>( m_parent );
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SetTextPos( m_Pos0 );
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if( parentFootprint )
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{
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VECTOR2I pt = GetTextPos();
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RotatePoint( pt, parentFootprint->GetOrientation() );
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SetTextPos( pt );
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Offset( parentFootprint->GetPosition() );
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}
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}
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void FP_TEXT::SetLocalCoord()
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{
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const FOOTPRINT* parentFootprint = static_cast<const FOOTPRINT*>( m_parent );
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if( parentFootprint )
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{
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m_Pos0 = GetTextPos() - parentFootprint->GetPosition();
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RotatePoint( &m_Pos0.x, &m_Pos0.y, - parentFootprint->GetOrientation() );
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}
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else
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{
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m_Pos0 = GetTextPos();
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}
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}
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const EDA_RECT FP_TEXT::GetBoundingBox() const
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{
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EDA_ANGLE angle = GetDrawRotation();
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EDA_RECT text_area = GetTextBox();
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if( !angle.IsZero() )
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text_area = text_area.GetBoundingBoxRotated( GetTextPos(), angle );
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return text_area;
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}
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EDA_ANGLE FP_TEXT::GetDrawRotation() const
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{
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FOOTPRINT* parentFootprint = static_cast<FOOTPRINT*>( m_parent );
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EDA_ANGLE rotation = GetTextAngle();
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if( parentFootprint )
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rotation += parentFootprint->GetOrientation();
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if( IsKeepUpright() )
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{
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// Keep angle between ]-90 .. 90 deg]. Otherwise the text is not easy to read
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while( rotation > ANGLE_90 )
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rotation -= ANGLE_180;
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while( rotation <= -ANGLE_90 )
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rotation += ANGLE_180;
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}
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else
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{
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rotation.Normalize();
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}
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return rotation;
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}
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void FP_TEXT::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
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{
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wxString msg;
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static const wxString text_type_msg[3] =
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{
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_( "Reference" ), _( "Value" ), _( "Text" )
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};
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if( aFrame->GetName() == PCB_EDIT_FRAME_NAME )
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{
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FOOTPRINT* fp = static_cast<FOOTPRINT*>( m_parent );
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if( fp )
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aList.emplace_back( _( "Footprint" ), fp->GetReference() );
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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( _( "Text" ), UnescapeString( GetText() ) );
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wxASSERT( m_Type >= TEXT_is_REFERENCE && m_Type <= TEXT_is_DIVERS );
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aList.emplace_back( _( "Type" ), text_type_msg[m_Type] );
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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( _( "Display" ), IsVisible() ? _( "Yes" ) : _( "No" ) );
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// Display text layer
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aList.emplace_back( _( "Layer" ), GetLayerName() );
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aList.emplace_back( _( "Mirror" ), IsMirrored() ? _( "Yes" ) : _( "No" ) );
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msg.Printf( wxT( "%g" ), GetTextAngle().AsDegrees() );
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aList.emplace_back( _( "Angle" ), msg );
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msg = MessageTextFromValue( aFrame->GetUserUnits(), GetTextThickness() );
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aList.emplace_back( _( "Thickness" ), msg );
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msg = MessageTextFromValue( aFrame->GetUserUnits(), GetTextWidth() );
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aList.emplace_back( _( "Width" ), msg );
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msg = MessageTextFromValue( aFrame->GetUserUnits(), GetTextHeight() );
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aList.emplace_back( _( "Height" ), msg );
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}
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wxString FP_TEXT::GetSelectMenuText( EDA_UNITS aUnits ) const
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{
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switch( m_Type )
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{
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case TEXT_is_REFERENCE:
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return wxString::Format( _( "Reference '%s'" ),
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static_cast<FOOTPRINT*>( GetParent() )->GetReference() );
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case TEXT_is_VALUE:
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return wxString::Format( _( "Value '%s' of %s" ),
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GetShownText(),
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static_cast<FOOTPRINT*>( GetParent() )->GetReference() );
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default:
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return wxString::Format( _( "Footprint Text '%s' of %s" ),
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ShortenedShownText(),
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static_cast<FOOTPRINT*>( GetParent() )->GetReference() );
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}
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}
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BITMAPS FP_TEXT::GetMenuImage() const
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{
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return BITMAPS::text;
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}
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EDA_ITEM* FP_TEXT::Clone() const
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{
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return new FP_TEXT( *this );
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}
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const BOX2I FP_TEXT::ViewBBox() const
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{
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EDA_ANGLE angle = GetDrawRotation();
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EDA_RECT text_area = GetTextBox();
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if( !angle.IsZero() )
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text_area = text_area.GetBoundingBoxRotated( GetTextPos(), angle );
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return BOX2I( text_area.GetPosition(), text_area.GetSize() );
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}
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void FP_TEXT::ViewGetLayers( int aLayers[], int& aCount ) const
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{
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if( IsVisible() )
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aLayers[0] = GetLayer();
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else
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aLayers[0] = LAYER_MOD_TEXT_INVISIBLE;
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aCount = 1;
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}
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double FP_TEXT::ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const
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{
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constexpr double HIDE = (double)std::numeric_limits<double>::max();
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if( !aView )
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return 0.0;
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// Hidden text gets put on the LAYER_MOD_TEXT_INVISIBLE for rendering, but
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// should only render if its native layer is visible.
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if( !aView->IsLayerVisible( GetLayer() ) )
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return HIDE;
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RENDER_SETTINGS* renderSettings = aView->GetPainter()->GetSettings();
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COLOR4D backgroundColor = renderSettings->GetLayerColor( LAYER_PCB_BACKGROUND );
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// Handle Render tab switches
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if( m_Type == TEXT_is_VALUE || GetText() == wxT( "${VALUE}" ) )
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{
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if( !aView->IsLayerVisible( LAYER_MOD_VALUES )
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|| renderSettings->GetLayerColor( LAYER_MOD_VALUES ) == backgroundColor )
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{
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return HIDE;
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}
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}
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if( m_Type == TEXT_is_REFERENCE || GetText() == wxT( "${REFERENCE}" ) )
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{
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if( !aView->IsLayerVisible( LAYER_MOD_REFERENCES )
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|| renderSettings->GetLayerColor( LAYER_MOD_REFERENCES ) == backgroundColor )
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{
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return HIDE;
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}
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}
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if( !IsParentFlipped() && !aView->IsLayerVisible( LAYER_MOD_FR ) )
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return HIDE;
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if( IsParentFlipped() && !aView->IsLayerVisible( LAYER_MOD_BK ) )
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return HIDE;
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if( !aView->IsLayerVisible( LAYER_MOD_TEXT ) )
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return HIDE;
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// Other layers are shown without any conditions
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return 0.0;
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}
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wxString FP_TEXT::GetShownText( int aDepth ) const
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{
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const FOOTPRINT* parentFootprint = static_cast<FOOTPRINT*>( GetParent() );
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wxASSERT( parentFootprint );
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const BOARD* board = parentFootprint->GetBoard();
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std::function<bool( wxString* )> footprintResolver =
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[&]( wxString* token ) -> bool
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{
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return parentFootprint && parentFootprint->ResolveTextVar( token, aDepth );
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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( HasTextVars() )
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{
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PROJECT* project = nullptr;
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if( parentFootprint && parentFootprint->GetParent() )
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project = static_cast<BOARD*>( parentFootprint->GetParent() )->GetProject();
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if( aDepth < 10 )
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text = ExpandTextVars( text, &footprintResolver, &boardTextResolver, project );
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}
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return text;
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}
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std::shared_ptr<SHAPE> FP_TEXT::GetEffectiveShape( PCB_LAYER_ID aLayer ) const
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{
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return GetEffectiveTextShape();
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}
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void FP_TEXT::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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TEXT_ATTRIBUTES attrs = GetAttributes();
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attrs.m_Angle = GetDrawRotation();
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font->Draw( &callback_gal, GetShownText(), GetTextPos(), attrs );
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}
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void FP_TEXT::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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SHAPE_POLY_SET buffer;
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EDA_TEXT::TransformBoundingBoxWithClearanceToPolygon( &buffer, aClearance );
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const FOOTPRINT* parentFootprint = static_cast<const FOOTPRINT*>( m_parent );
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if( parentFootprint )
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buffer.Rotate( -GetDrawRotation(), GetTextPos() );
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aCornerBuffer.Append( buffer );
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}
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static struct FP_TEXT_DESC
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{
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FP_TEXT_DESC()
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{
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PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
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REGISTER_TYPE( FP_TEXT );
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propMgr.AddTypeCast( new TYPE_CAST<FP_TEXT, BOARD_ITEM> );
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propMgr.AddTypeCast( new TYPE_CAST<FP_TEXT, EDA_TEXT> );
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propMgr.InheritsAfter( TYPE_HASH( FP_TEXT ), TYPE_HASH( BOARD_ITEM ) );
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propMgr.InheritsAfter( TYPE_HASH( FP_TEXT ), TYPE_HASH( EDA_TEXT ) );
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propMgr.AddProperty( new PROPERTY<FP_TEXT, wxString>( _HKI( "Parent" ),
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NO_SETTER( FP_TEXT, wxString ), &FP_TEXT::GetParentAsString ) );
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}
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} _FP_TEXT_DESC;
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