619 lines
20 KiB
C++
619 lines
20 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) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
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* Copyright (C) 1992-2021 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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#ifndef PCB_DIMENSION_H
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#define PCB_DIMENSION_H
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#include <board_item.h>
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#include <pcb_text.h>
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#include <geometry/shape.h>
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#include <geometry/circle.h>
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class LINE_READER;
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class MSG_PANEL_ITEM;
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/// How to display the units in a dimension's text
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enum class DIM_UNITS_FORMAT
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{
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NO_SUFFIX, // 1234.0
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BARE_SUFFIX, // 1234.0 mm
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PAREN_SUFFIX // 1234.0 (mm)
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};
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/// Where to place the text on a dimension
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enum class DIM_TEXT_POSITION
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{
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OUTSIDE, ///< Text appears outside the dimension line (default)
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INLINE, ///< Text appears in line with the dimension line
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MANUAL ///< Text placement is manually set by the user
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};
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/**
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* Used for storing the units selection in the file because EDA_UNITS alone doesn't cut it
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*/
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enum class DIM_UNITS_MODE
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{
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INCHES,
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MILS,
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MILLIMETRES,
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AUTOMATIC
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};
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/**
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* Frame to show around dimension text
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*/
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enum class DIM_TEXT_BORDER
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{
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NONE,
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RECTANGLE,
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CIRCLE,
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ROUNDRECT
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};
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/**
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* Abstract dimension API
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*
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* Some notes about dimension nomenclature:
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*
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* - "feature points" are the points being measured by the dimension. For an example, the start
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* and end points of a line to be measured. These are the first points picked when drawing a
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* new dimension. Dimensions can have one or more feature points: linear dimensions (the only
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* type supported in KiCad 5 and earlier) have two feature points; leader dimensions have one;
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* and ordinate dimensions can have in theory an unlimited number of feature points.
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*
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* - "feature lines" are lines that coincide with feature points. Not all dimension types have
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* feature lines. The actual start and end of feature lines is calculated from dimension style
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* properties (offset from feature point to start of feature line, height of crossbar, and height
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* of feature line past crossbar, for example in linear dimensions)
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*
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* - "crossbar" refers to the perpendicular line (usually with arrows at each end) between feature
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* lines on linear dimensions
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*/
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class PCB_DIMENSION_BASE : public BOARD_ITEM
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{
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public:
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PCB_DIMENSION_BASE( BOARD_ITEM* aParent, KICAD_T aType = PCB_DIMENSION_T );
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bool IsType( const KICAD_T aScanTypes[] ) const override
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{
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if( BOARD_ITEM::IsType( aScanTypes ) )
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return true;
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for( const KICAD_T* p = aScanTypes; *p != EOT; ++p )
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{
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if( *p == PCB_LOCATE_GRAPHIC_T )
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return true;
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}
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return false;
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}
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void SetParent( EDA_ITEM* aParent ) override;
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/**
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* The dimension's origin is the first feature point for the dimension. Every dimension has
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* one or more feature points, so every dimension has at least an origin.
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* @return the origin point of this dimension
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*/
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virtual const VECTOR2I& GetStart() const { return m_start; }
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virtual void SetStart( const VECTOR2I& aPoint ) { m_start = aPoint; }
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virtual const VECTOR2I& GetEnd() const { return m_end; }
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virtual void SetEnd( const VECTOR2I& aPoint ) { m_end = aPoint; }
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VECTOR2I GetPosition() const override { return m_start; }
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void SetPosition( const VECTOR2I& aPos ) override { m_start = aPos; }
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bool GetOverrideTextEnabled() const { return m_overrideTextEnabled; }
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void SetOverrideTextEnabled( bool aOverride ) { m_overrideTextEnabled = aOverride; }
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wxString GetOverrideText() const { return m_valueString; }
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void SetOverrideText( const wxString& aValue ) { m_valueString = aValue; }
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int GetMeasuredValue() const { return m_measuredValue; }
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// KiCad normally calculates the measured value but some importers need to set it.
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void SetMeasuredValue( int aValue ) { m_measuredValue = aValue; }
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/**
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* @return the dimension value, rendered with precision / zero suppression but no units, etc
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*/
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wxString GetValueText() const;
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/**
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* Update the dimension's cached text and geometry.
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*/
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void Update()
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{
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updateGeometry();
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updateText();
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}
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wxString GetPrefix() const { return m_prefix; }
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void SetPrefix( const wxString& aPrefix );
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wxString GetSuffix() const { return m_suffix; }
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void SetSuffix( const wxString& aSuffix );
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void GetUnits( EDA_UNITS& aUnits ) const { aUnits = m_units; }
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void SetUnits( EDA_UNITS aUnits );
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DIM_UNITS_MODE GetUnitsMode() const;
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void SetUnitsMode( DIM_UNITS_MODE aMode );
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void SetAutoUnits( bool aAuto = true ) { m_autoUnits = aAuto; }
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DIM_UNITS_FORMAT GetUnitsFormat() const { return m_unitsFormat; }
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void SetUnitsFormat( const DIM_UNITS_FORMAT aFormat ) { m_unitsFormat = aFormat; }
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int GetPrecision() const { return m_precision; }
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void SetPrecision( int aPrecision ) { m_precision = aPrecision; }
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bool GetSuppressZeroes() const { return m_suppressZeroes; }
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void SetSuppressZeroes( bool aSuppress ) { m_suppressZeroes = aSuppress; }
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bool GetKeepTextAligned() const { return m_keepTextAligned; }
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void SetKeepTextAligned( bool aKeepAligned ) { m_keepTextAligned = aKeepAligned; }
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void SetTextPositionMode( DIM_TEXT_POSITION aMode ) { m_textPosition = aMode; }
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DIM_TEXT_POSITION GetTextPositionMode() const { return m_textPosition; }
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int GetArrowLength() const { return m_arrowLength; }
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void SetArrowLength( int aLength ) { m_arrowLength = aLength; }
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void SetExtensionOffset( int aOffset ) { m_extensionOffset = aOffset; }
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int GetExtensionOffset() const { return m_extensionOffset; }
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int GetLineThickness() const { return m_lineThickness; }
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void SetLineThickness( int aWidth ) { m_lineThickness = aWidth; }
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void SetLayer( PCB_LAYER_ID aLayer ) override;
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void SetTextSize( const wxSize& aTextSize )
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{
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m_text.SetTextSize( aTextSize );
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}
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/**
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* Set the override text - has no effect if m_overrideValue == false.
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*
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* @param aNewText is the text to use as the value.
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*/
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void SetText( const wxString& aNewText );
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/**
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* Retrieve the value text or override text, not including prefix or suffix.
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*
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* @return the value portion of the dimension text (either overridden or not).
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*/
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const wxString GetText() const;
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PCB_TEXT& Text() { return m_text; }
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const PCB_TEXT& Text() const { return m_text; }
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/**
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* @return a list of line segments that make up this dimension (for drawing, plotting, etc).
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*/
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const std::vector<std::shared_ptr<SHAPE>>& GetShapes() const { return m_shapes; }
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// BOARD_ITEM overrides
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void Move( const VECTOR2I& offset ) override;
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void Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle ) override;
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void Flip( const VECTOR2I& aCentre, bool aFlipLeftRight ) override;
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/**
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* Mirror the dimension relative to a given horizontal axis.
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*
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* The text is not mirrored. Only its position (and angle) is mirrored. The layer is not
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* changed.
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*
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* @param axis_pos is the vertical axis position to mirror around.
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*/
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void Mirror( const VECTOR2I& axis_pos, bool aMirrorLeftRight = false );
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void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
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bool HitTest( const VECTOR2I& aPosition, int aAccuracy ) const override;
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bool HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy = 0 ) const override;
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const EDA_RECT GetBoundingBox() const override;
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std::shared_ptr<SHAPE> GetEffectiveShape( PCB_LAYER_ID aLayer,
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FLASHING aFlash = FLASHING::DEFAULT ) const override;
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wxString GetSelectMenuText( EDA_UNITS aUnits ) const override;
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const BOX2I ViewBBox() const override;
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void TransformShapeWithClearanceToPolygon( SHAPE_POLY_SET& aCornerBuffer, PCB_LAYER_ID aLayer,
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int aClearance, int aError, ERROR_LOC aErrorLoc,
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bool aIgnoreLineWidth = false ) const override;
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#if defined(DEBUG)
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virtual void Show( int nestLevel, std::ostream& os ) const override { ShowDummy( os ); }
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#endif
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protected:
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/**
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* Update the cached geometry of the dimension after changing any of its properties.
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*/
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virtual void updateGeometry() = 0;
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/**
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* Update the text field value from the current geometry (called by updateGeometry normally).
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*/
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virtual void updateText();
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template<typename ShapeType>
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void addShape( const ShapeType& aShape );
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/**
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* Find the intersection between a given segment and polygon outline.
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*
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* @param aPoly is the polygon to collide.
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* @param aSeg is the segment to collide.
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* @param aStart if true will start from aSeg.A, otherwise aSeg.B.
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* @return a point on aSeg that collides with aPoly closest to the start, if one exists.
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*/
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static OPT_VECTOR2I segPolyIntersection( const SHAPE_POLY_SET& aPoly, const SEG& aSeg,
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bool aStart = true );
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static OPT_VECTOR2I segCircleIntersection( CIRCLE& aCircle, SEG& aSeg, bool aStart = true );
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// Value format
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bool m_overrideTextEnabled; ///< Manually specify the displayed measurement value
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wxString m_valueString; ///< Displayed value when m_overrideValue = true
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wxString m_prefix; ///< String prepended to the value
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wxString m_suffix; ///< String appended to the value
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EDA_UNITS m_units; ///< 0 = inches, 1 = mm
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bool m_autoUnits; ///< If true, follow the currently selected UI units
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DIM_UNITS_FORMAT m_unitsFormat; ///< How to render the units suffix
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int m_precision; ///< Number of digits to display after decimal
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bool m_suppressZeroes; ///< Suppress trailing zeroes
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// Geometry
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int m_lineThickness; ///< Thickness used for all graphics in the dimension
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int m_arrowLength; ///< Length of arrow shapes
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int m_extensionOffset; ///< Distance from feature points to extension line start
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DIM_TEXT_POSITION m_textPosition; ///< How to position the text
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bool m_keepTextAligned; ///< Calculate text orientation to match dimension
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// Internal
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PCB_TEXT m_text; ///< The actual text object
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int m_measuredValue; ///< value of PCB dimensions
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VECTOR2I m_start;
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VECTOR2I m_end;
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///< Internal cache of drawn shapes
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std::vector<std::shared_ptr<SHAPE>> m_shapes;
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};
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/**
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* For better understanding of the points that make a dimension:
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*
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* Note: historically KiCad called extension lines "feature lines", and also note that what we
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* call the "crossbar line" here is more commonly called the "dimension line"
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*
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* Start (feature point 1) End (feature point 2)
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* | |
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* | <-- extension lines --> |
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* | |
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* | m_arrowG2F m_arrowD2F |
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* | / \ |
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* Crossbar start |/_______crossbar line________\| Crossbar end
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* |\ m_text /|
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* | \ / |
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* | m_arrowG1F m_arrowD1F |
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* | |
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* m_featureLineGF m_featureLineDF
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*/
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/**
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* An aligned dimension measures the distance between two feature points. It has a crossbar
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* (dimension line) that stays parallel with the vector between the feature points.
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*
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* The height (distance from features to crossbar) can be set directly, or set by manipulating the
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* crossbar start or end point (with the point editor).
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*/
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class PCB_DIM_ALIGNED : public PCB_DIMENSION_BASE
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{
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public:
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PCB_DIM_ALIGNED( BOARD_ITEM* aParent, KICAD_T aType );
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// Do not create a copy constructor & operator=.
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// The ones generated by the compiler are adequate.
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~PCB_DIM_ALIGNED() = default;
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static inline bool ClassOf( const EDA_ITEM* aItem )
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{
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return aItem && ( aItem->Type() == PCB_DIM_ALIGNED_T
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|| aItem->Type() == PCB_FP_DIM_ALIGNED_T );
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}
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EDA_ITEM* Clone() const override;
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virtual void SwapData( BOARD_ITEM* aImage ) override;
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BITMAPS GetMenuImage() const override;
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const VECTOR2I& GetCrossbarStart() const { return m_crossBarStart; }
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const VECTOR2I& GetCrossbarEnd() const { return m_crossBarEnd; }
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/**
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* Set the distance from the feature points to the crossbar line.
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*
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* @param aHeight is the new height.
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*/
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void SetHeight( int aHeight ) { m_height = aHeight; }
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int GetHeight() const { return m_height; }
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/**
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* Update the stored height basing on points coordinates.
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*
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* @param aCrossbarStart is the start point of the crossbar.
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*/
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void UpdateHeight( const VECTOR2I& aCrossbarStart, const VECTOR2I& aCrossbarEnd );
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void SetExtensionHeight( int aHeight ) { m_extensionHeight = aHeight; }
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int GetExtensionHeight() const { return m_extensionHeight; }
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/**
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* Return the angle of the crossbar.
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*
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* @return Angle of the crossbar line expressed in radians.
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*/
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double GetAngle() const
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{
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VECTOR2I delta( m_end - m_start );
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return atan2( (double)delta.y, (double)delta.x );
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}
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wxString GetClass() const override
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{
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return wxT( "PCB_DIM_ALIGNED" );
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}
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void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
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protected:
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void updateGeometry() override;
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void updateText() override;
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// Geometry
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int m_height; ///< Perpendicular distance from features to crossbar
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int m_extensionHeight; ///< Length of extension lines past the crossbar
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VECTOR2I m_crossBarStart; ///< Crossbar start control point
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VECTOR2I m_crossBarEnd; ///< Crossbar end control point
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};
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/**
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* An orthogonal dimension is like an aligned dimension, but the extension lines are locked to the
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* X or Y axes, and the measurement is only taken in the X or Y direction.
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*/
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class PCB_DIM_ORTHOGONAL : public PCB_DIM_ALIGNED
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{
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public:
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enum class DIR
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{
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HORIZONTAL, // Aligned with x-axis
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VERTICAL // Aligned with y-axis
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};
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PCB_DIM_ORTHOGONAL( BOARD_ITEM* aParent, bool aInFP = false );
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~PCB_DIM_ORTHOGONAL() = default;
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static inline bool ClassOf( const EDA_ITEM* aItem )
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{
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return aItem && ( aItem->Type() == PCB_DIM_ORTHOGONAL_T
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|| aItem->Type() == PCB_FP_DIM_ORTHOGONAL_T );
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}
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EDA_ITEM* Clone() const override;
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void SwapData( BOARD_ITEM* aImage ) override;
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BITMAPS GetMenuImage() const override;
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/**
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* Set the orientation of the dimension line (so, perpendicular to the feature lines).
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*
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* @param aOrientation is the orientation the dimension should take.
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*/
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void SetOrientation( DIR aOrientation ) { m_orientation = aOrientation; }
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DIR GetOrientation() const { return m_orientation; }
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wxString GetClass() const override
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{
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return wxT( "PCB_DIM_ORTHOGONAL" );
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}
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void Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle ) override;
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protected:
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void updateGeometry() override;
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void updateText() override;
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private:
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// Geometry
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DIR m_orientation; ///< What axis to lock the dimension line to.
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};
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/**
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* A radial dimension indicates either the radius or diameter of an arc or circle.
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*
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* A guide to the geometry of a circle dimension:
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*
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* |
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* --a--
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* |
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*
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*
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* b_
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* |\
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* \
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* c---d TEXT
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*
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* Point a (the center of the arc or circle) is m_start, point b (a point on the arc or circle)
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* is m_end, point c is m_leaderLength away from b on the a-b vector, and point d is the end of
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* the "text line". The c-d line is drawn from c to the text center, and clipped on the text
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* bounding box.
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*/
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class PCB_DIM_RADIAL : public PCB_DIMENSION_BASE
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{
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public:
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PCB_DIM_RADIAL( BOARD_ITEM* aParent, bool aInFP = false );
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static inline bool ClassOf( const EDA_ITEM* aItem )
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{
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return aItem && ( aItem->Type() == PCB_DIM_RADIAL_T
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|| aItem->Type() == PCB_FP_DIM_RADIAL_T );
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}
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EDA_ITEM* Clone() const override;
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virtual void SwapData( BOARD_ITEM* aImage ) override;
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void SetLeaderLength( int aLength ) { m_leaderLength = aLength; }
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int GetLeaderLength() const { return m_leaderLength; }
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// Returns the point (c).
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VECTOR2I GetKnee() const;
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BITMAPS GetMenuImage() const override;
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wxString GetClass() const override
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{
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return wxT( "PCB_DIM_RADIAL" );
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}
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protected:
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void updateText() override;
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void updateGeometry() override;
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private:
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bool m_isDiameter;
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int m_leaderLength;
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};
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/**
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* A leader is a dimension-like object pointing to a specific point.
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*
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* A guide to the geometry of a leader:
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*
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* a_
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* |\
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* \
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* b---c TEXT
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*
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* Point (a) is m_start, point (b) is m_end, point (c) is the end of the "text line"
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* The b-c line is drawn from b to the text center, and clipped on the text bounding box.
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*/
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class PCB_DIM_LEADER : public PCB_DIMENSION_BASE
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{
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public:
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PCB_DIM_LEADER( BOARD_ITEM* aParent, bool aInFP = false );
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static inline bool ClassOf( const EDA_ITEM* aItem )
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{
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return aItem && ( aItem->Type() == PCB_DIM_LEADER_T
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|| aItem->Type() == PCB_FP_DIM_LEADER_T );
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}
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EDA_ITEM* Clone() const override;
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virtual void SwapData( BOARD_ITEM* aImage ) override;
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BITMAPS GetMenuImage() const override;
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wxString GetClass() const override
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{
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return wxT( "PCB_DIM_LEADER" );
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}
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void SetTextBorder( DIM_TEXT_BORDER aFrame ) { m_textBorder = aFrame; }
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DIM_TEXT_BORDER GetTextBorder() const { return m_textBorder; }
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void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;
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protected:
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void updateGeometry() override;
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private:
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DIM_TEXT_BORDER m_textBorder;
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};
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/**
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* Mark the center of a circle or arc with a cross shape.
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*
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* The size and orientation of the cross is adjustable.
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* m_start always marks the center being measured; m_end marks the end of one leg of the cross.
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*/
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class PCB_DIM_CENTER : public PCB_DIMENSION_BASE
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|
{
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public:
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PCB_DIM_CENTER( BOARD_ITEM* aParent, bool aInFP = false );
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|
|
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static inline bool ClassOf( const EDA_ITEM* aItem )
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|
{
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|
return aItem && ( aItem->Type() == PCB_DIM_CENTER_T
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|
|| aItem->Type() == PCB_FP_DIM_CENTER_T );
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}
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EDA_ITEM* Clone() const override;
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virtual void SwapData( BOARD_ITEM* aImage ) override;
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BITMAPS GetMenuImage() const override;
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|
|
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wxString GetClass() const override
|
|
{
|
|
return wxT( "PCB_DIM_CENTER" );
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}
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const EDA_RECT GetBoundingBox() const override;
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const BOX2I ViewBBox() const override;
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protected:
|
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void updateGeometry() override;
|
|
};
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#endif // DIMENSION_H
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