390 lines
14 KiB
C++
390 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) 2013 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 2004-2021 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 EDA_TEXT_H_
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#define EDA_TEXT_H_
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#include <memory>
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#include <vector>
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#include <outline_mode.h>
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#include <eda_rect.h>
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#include <font/glyph.h>
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#include <font/text_attributes.h>
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class OUTPUTFORMATTER;
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class SHAPE_COMPOUND;
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class SHAPE_POLY_SET;
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class wxFindReplaceData;
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/**
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* A helper for the text to polygon callback function.
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*
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* These variables are parameters used in #addTextSegmToPoly but #addTextSegmToPoly is a
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* callback function so the cannot be sent as arguments.
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*/
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struct TSEGM_2_POLY_PRMS
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{
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int m_textWidth;
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int m_error;
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SHAPE_POLY_SET* m_cornerBuffer;
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};
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struct TSEGM_2_SHAPE_PRMS
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{
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int m_penWidth;
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SHAPE_COMPOUND* m_shape;
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};
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/**
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* Callback function used to convert text segments to polygons.
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*/
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extern void addTextSegmToPoly( int x0, int y0, int xf, int yf, void* aData );
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namespace KIGFX
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{
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class RENDER_SETTINGS;
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class COLOR4D;
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}
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using KIGFX::RENDER_SETTINGS;
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using KIGFX::COLOR4D;
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// part of the kicad_plugin.h family of defines.
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// See kicad_plugin.h for the choice of the value
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// When set when calling EDA_TEXT::Format, disable writing the "hide" keyword in save file
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#define CTL_OMIT_HIDE (1 << 6)
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/**
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* This is the "default-of-the-default" hardcoded text size; individual
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* application define their own default policy starting with this
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* (usually with a user option or project).
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*/
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#define DEFAULT_SIZE_TEXT 50 // default text height (in mils, i.e. 1/1000")
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#define DIM_ANCRE_TEXTE 2 // Anchor size for text
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/**
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* A mix-in class (via multiple inheritance) that handles texts such as labels, parts,
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* components, or footprints. Because it's a mix-in class, care is used to provide
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* function names (accessors) that to not collide with function names likely to be seen
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* in the combined derived classes.
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*/
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class EDA_TEXT
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{
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public:
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EDA_TEXT( const wxString& text = wxEmptyString );
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EDA_TEXT( const EDA_TEXT& aText );
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virtual ~EDA_TEXT();
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EDA_TEXT& operator=( const EDA_TEXT& aItem );
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/**
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* Return the string associated with the text object.
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*
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* @return a const wxString reference containing the string of the item.
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*/
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virtual const wxString& GetText() const { return m_text; }
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/**
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* Return the string actually shown after processing of the base text.
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*
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* @param aDepth is used to prevent infinite recursions and loops when expanding
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* text variables.
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*/
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virtual wxString GetShownText( int aDepth = 0 ) const { return m_shown_text; }
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/**
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* Returns a shortened version (max 15 characters) of the shown text
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*/
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wxString ShortenedShownText() const;
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/**
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* Indicates the ShownText has text var references which need to be processed.
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*/
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bool HasTextVars() const { return m_shown_text_has_text_var_refs; }
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virtual void SetText( const wxString& aText );
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/**
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* The TextThickness is that set by the user. The EffectiveTextPenWidth also factors
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* in bold text and thickness clamping.
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*/
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void SetTextThickness( int aWidth );
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int GetTextThickness() const { return m_attributes.m_StrokeWidth; };
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/**
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* The EffectiveTextPenWidth uses the text thickness if > 1 or aDefaultWidth.
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*/
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int GetEffectiveTextPenWidth( int aDefaultWidth = 0 ) const;
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virtual void SetTextAngle( double aAngleInTenthsOfADegree )
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{
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// Higher level classes may be more restrictive than this by overloading
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// SetTextAngle() or merely calling EDA_TEXT::SetTextAngle() after clamping
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// aAngle before calling this lowest inline accessor.
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SetTextAngle( EDA_ANGLE( aAngleInTenthsOfADegree, EDA_ANGLE::TENTHS_OF_A_DEGREE ) );
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}
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void SetTextAngle( const EDA_ANGLE& aAngle );
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const EDA_ANGLE& GetTextAngle() const { return m_attributes.m_Angle; }
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void SetItalic( bool aItalic );
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bool IsItalic() const { return m_attributes.m_Italic; }
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void SetBold( bool aBold );
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bool IsBold() const { return m_attributes.m_Bold; }
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virtual void SetVisible( bool aVisible );
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virtual bool IsVisible() const { return m_attributes.m_Visible; }
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void SetMirrored( bool isMirrored );
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bool IsMirrored() const { return m_attributes.m_Mirrored; }
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/**
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* @param aAllow true if ok to use multiline option, false if ok to use only single line
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* text. (Single line is faster in calculations than multiline.)
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*/
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void SetMultilineAllowed( bool aAllow );
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bool IsMultilineAllowed() const { return m_attributes.m_Multiline; }
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void SetHorizJustify( GR_TEXT_H_ALIGN_T aType );
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GR_TEXT_H_ALIGN_T GetHorizJustify() const { return m_attributes.m_Halign; };
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void SetVertJustify( GR_TEXT_V_ALIGN_T aType );
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GR_TEXT_V_ALIGN_T GetVertJustify() const { return m_attributes.m_Valign; };
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void SetKeepUpright( bool aKeepUpright );
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bool IsKeepUpright() const { return m_attributes.m_KeepUpright; }
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/**
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* Set the text attributes from another instance.
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*/
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void SetAttributes( const EDA_TEXT& aSrc );
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/**
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* Swap the text attributes of the two involved instances.
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*/
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void SwapAttributes( EDA_TEXT& aTradingPartner );
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void SwapText( EDA_TEXT& aTradingPartner );
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void CopyText( const EDA_TEXT& aSrc );
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const TEXT_ATTRIBUTES& GetAttributes() const { return m_attributes; }
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/**
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* Helper function used in search and replace dialog.
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*
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* Perform a text replace using the find and replace criteria in \a aSearchData.
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*
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* @param aSearchData A reference to a wxFindReplaceData object containing the
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* search and replace criteria.
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* @return True if the text item was modified, otherwise false.
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*/
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bool Replace( const wxFindReplaceData& aSearchData );
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bool IsDefaultFormatting() const;
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void SetFont( KIFONT::FONT* aFont );
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KIFONT::FONT* GetFont() const { return m_attributes.m_Font; }
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wxString GetFontName() const;
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void SetLineSpacing( double aLineSpacing );
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double GetLineSpacing() const { return m_attributes.m_LineSpacing; }
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void SetTextSize( const wxSize& aNewSize );
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wxSize GetTextSize() const { return wxSize( m_attributes.m_Size.x,
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m_attributes.m_Size.y ); }
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void SetTextWidth( int aWidth );
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int GetTextWidth() const { return m_attributes.m_Size.x; }
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void SetTextHeight( int aHeight );
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int GetTextHeight() const { return m_attributes.m_Size.y; }
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void SetTextPos( const VECTOR2I& aPoint );
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const VECTOR2I& GetTextPos() const { return m_pos; }
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void SetTextX( int aX );
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void SetTextY( int aY );
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void Offset( const VECTOR2I& aOffset );
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void Empty();
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static GR_TEXT_H_ALIGN_T MapHorizJustify( int aHorizJustify );
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static GR_TEXT_V_ALIGN_T MapVertJustify( int aVertJustify );
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/**
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* Print this text object to the device context \a aDC.
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*
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* @param aDC the current Device Context.
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* @param aOffset draw offset (usually (0,0)).
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* @param aColor text color.
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* @param aDisplay_mode #FILLED or #SKETCH.
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*/
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void Print( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset,
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const COLOR4D& aColor, OUTLINE_MODE aDisplay_mode = FILLED );
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/**
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* Convert the text bounding box to a rectangular polygon depending on the text
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* orientation, the bounding box is not always horizontal or vertical
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*
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* Used in filling zones calculations
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* Circles and arcs are approximated by segments
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*
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* @param aCornerBuffer a buffer to store the polygon.
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* @param aClearanceValue the clearance around the text bounding box
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* to the real clearance value (usually near from 1.0).
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*/
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void TransformBoundingBoxWithClearanceToPolygon( SHAPE_POLY_SET* aCornerBuffer,
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int aClearanceValue ) const;
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std::shared_ptr<SHAPE_COMPOUND> GetEffectiveTextShape() const;
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/**
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* Test if \a aPoint is within the bounds of this object.
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*
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* @param aPoint A VECTOR2I to test.
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* @param aAccuracy Amount to inflate the bounding box.
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* @return true if a hit, else false.
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*/
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virtual bool TextHitTest( const VECTOR2I& aPoint, int aAccuracy = 0 ) const;
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/**
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* Test if object bounding box is contained within or intersects \a aRect.
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*
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* @param aRect Rect to test against.
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* @param aContains Test for containment instead of intersection if true.
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* @param aAccuracy Amount to inflate the bounding box.
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* @return true if a hit, else false.
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*/
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virtual bool TextHitTest( const EDA_RECT& aRect, bool aContains, int aAccuracy = 0 ) const;
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/**
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* Useful in multiline texts to calculate the full text or a line area (for zones filling,
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* locate functions....)
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*
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* @param aLine The line of text to consider. Pass -1 for all lines.
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* @param aInvertY Invert the Y axis when calculating bounding box.
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* @return the rect containing the line of text (i.e. the position and the size of one line)
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* this rectangle is calculated for 0 orient text.
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* If orientation is not 0 the rect must be rotated to match the physical area
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*/
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EDA_RECT GetTextBox( int aLine = -1, bool aInvertY = false ) const;
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/**
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* Return the distance between two lines of text.
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*
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* Calculates the distance (pitch) between two lines of text. This distance includes the
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* interline distance plus room for characters like j, {, and [. It also used for single
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* line text, to calculate the text bounding box.
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*/
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int GetInterline() const;
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/**
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* @return a wxString with the style name( Normal, Italic, Bold, Bold+Italic).
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*/
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wxString GetTextStyleName() const;
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/**
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* Populate \a aPositions with the position of each line of a multiline text, according
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* to the vertical justification and the rotation of the whole text.
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*
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* @param aPositions is the list to populate by the VECTOR2I positions.
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* @param aLineCount is the number of lines (not recalculated here for efficiency reasons.
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*/
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void GetLinePositions( std::vector<VECTOR2I>& aPositions, int aLineCount ) const;
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/**
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* Output the object to \a aFormatter in s-expression form.
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*
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* @param aFormatter The #OUTPUTFORMATTER object to write to.
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* @param aNestLevel The indentation next level.
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* @param aControlBits The control bit definition for object specific formatting.
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* @throw IO_ERROR on write error.
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*/
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virtual void Format( OUTPUTFORMATTER* aFormatter, int aNestLevel, int aControlBits ) const;
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virtual KIFONT::FONT* GetDrawFont() const;
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virtual EDA_ANGLE GetDrawRotation() const { return GetTextAngle(); }
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virtual VECTOR2I GetDrawPos() const { return GetTextPos(); }
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virtual GR_TEXT_H_ALIGN_T GetDrawHorizJustify() const { return GetHorizJustify(); };
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virtual GR_TEXT_V_ALIGN_T GetDrawVertJustify() const { return GetVertJustify(); };
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virtual void ClearRenderCache();
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virtual void ClearBoundingBoxCache();
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std::vector<std::unique_ptr<KIFONT::GLYPH>>*
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GetRenderCache( const wxString& forResolvedText ) const;
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// Support for reading the cache from disk.
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void SetupRenderCache( const wxString& aResolvedText, const EDA_ANGLE& aAngle );
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void AddRenderCacheGlyph( const SHAPE_POLY_SET& aPoly );
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int Compare( const EDA_TEXT* aOther ) const;
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private:
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void cacheShownText();
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/**
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* Print each line of this EDA_TEXT.
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*
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* @param aOffset draw offset (usually (0,0)).
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* @param aColor text color.
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* @param aFillMode FILLED or SKETCH
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* @param aText the single line of text to draw.
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* @param aPos the position of this line ).
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*/
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void printOneLineOfText( const RENDER_SETTINGS* aSettings, const VECTOR2I& aOffset,
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const COLOR4D& aColor, OUTLINE_MODE aFillMode, const wxString& aText,
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const VECTOR2I& aPos );
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wxString m_text;
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wxString m_shown_text; // Cache of unescaped text for efficient access
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bool m_shown_text_has_text_var_refs;
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mutable wxString m_render_cache_text;
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mutable EDA_ANGLE m_render_cache_angle;
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mutable std::vector<std::unique_ptr<KIFONT::GLYPH>> m_render_cache;
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mutable bool m_bounding_box_cache_valid;
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mutable EDA_RECT m_bounding_box_cache;
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TEXT_ATTRIBUTES m_attributes;
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VECTOR2I m_pos;
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};
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#endif // EDA_TEXT_H_
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