392 lines
14 KiB
C++
392 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, jpe.charras at wanadoo.fr
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* Copyright (C) 2004-2017 KiCad Developers, see change_log.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 <trigo.h> // NORMALIZE_ANGLE_POS( angle );
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#include <common.h> // wxStringSplit
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#include <gr_basic.h> // EDA_DRAW_MODE_T
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#include <base_struct.h> // EDA_RECT
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#include "kicad_string.h"
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class SHAPE_POLY_SET;
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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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// Graphic Text justify:
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// Values -1,0,1 are used in computations, do not change them
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enum EDA_TEXT_HJUSTIFY_T {
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GR_TEXT_HJUSTIFY_LEFT = -1,
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GR_TEXT_HJUSTIFY_CENTER = 0,
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GR_TEXT_HJUSTIFY_RIGHT = 1
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};
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enum EDA_TEXT_VJUSTIFY_T {
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GR_TEXT_VJUSTIFY_TOP = -1,
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GR_TEXT_VJUSTIFY_CENTER = 0,
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GR_TEXT_VJUSTIFY_BOTTOM = 1
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};
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/* Options to draw items with thickness ( segments, arcs, circles, texts...) */
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enum EDA_DRAW_MODE_T {
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FILLED = true, // normal mode: solid segments
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SKETCH = false // sketch mode: draw segments outlines only
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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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* Struct TEXT_EFFECTS
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* is a bucket for text effects. These fields are bundled so they
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* can be easily copied together as a lot. The privacy policy is established
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* by client (incorporating) code.
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*/
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struct TEXT_EFFECTS
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{
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TEXT_EFFECTS( int aSetOfBits = 0 ) :
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bits( aSetOfBits ),
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hjustify( GR_TEXT_HJUSTIFY_CENTER ),
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vjustify( GR_TEXT_VJUSTIFY_CENTER ),
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penwidth( 0 ),
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angle( 0.0 )
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{}
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short bits; ///< any set of booleans a client uses.
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signed char hjustify; ///< horizontal justification
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signed char vjustify; ///< vertical justification
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wxSize size;
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int penwidth;
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double angle; ///< now: 0.1 degrees; future: degrees
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wxPoint pos;
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void Bit( int aBit, bool aValue ) { aValue ? bits |= (1<<aBit) : bits &= ~(1<<aBit); }
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bool Bit( int aBit ) const { return bits & (1<<aBit); }
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};
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/**
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* Class EDA_TEXT
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* is a mix-in class (via multiple inheritance) that handles texts such as
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* labels, parts, components, or footprints. Because it's a mix-in class, care
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* is used to provide function names (accessors) that to not collide with function
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* names likely to be seen 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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/**
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* Function GetText
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* returns 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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* Returns the string actually shown after processing of the base
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* text. Default is no processing */
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virtual wxString GetShownText() 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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wxString ShortenedShownText() const;
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virtual void SetText( const wxString& aText );
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/**
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* Function SetThickness
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* sets pen width.
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* @param aNewThickness is the new pen width
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*/
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void SetThickness( int aNewThickness ) { m_e.penwidth = aNewThickness; };
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/**
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* Function GetThickness
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* returns pen width.
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*/
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int GetThickness() const { return m_e.penwidth; };
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void SetTextAngle( double aAngle )
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{
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// Higher level classes may be more restrictive than this by
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// overloading SetTextAngle() (probably non-virtual) or merely
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// calling EDA_TEXT::SetTextAngle() after clamping aAngle
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// before calling this lowest inline accessor.
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m_e.angle = aAngle;
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}
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double GetTextAngle() const { return m_e.angle; }
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double GetTextAngleDegrees() const { return GetTextAngle() / 10.0; }
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double GetTextAngleRadians() const { return GetTextAngle() * M_PI/1800; }
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void SetItalic( bool isItalic ) { m_e.Bit( TE_ITALIC, isItalic ); }
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bool IsItalic() const { return m_e.Bit( TE_ITALIC ); }
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void SetBold( bool aBold ) { m_e.Bit( TE_BOLD, aBold); }
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bool IsBold() const { return m_e.Bit( TE_BOLD ); }
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void SetVisible( bool aVisible ) { m_e.Bit( TE_VISIBLE, aVisible ); }
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bool IsVisible() const { return m_e.Bit( TE_VISIBLE ); }
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void SetMirrored( bool isMirrored ) { m_e.Bit( TE_MIRROR, isMirrored ); }
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bool IsMirrored() const { return m_e.Bit( TE_MIRROR ); }
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/**
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* Function SetMultiLineAllowed
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* @param aAllow true if ok to use multiline option, false
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* if ok to use only single line text. (Single line is faster in
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* calculations than multiline.)
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*/
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void SetMultilineAllowed( bool aAllow ) { m_e.Bit( TE_MULTILINE, aAllow ); }
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bool IsMultilineAllowed() const { return m_e.Bit( TE_MULTILINE ); }
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EDA_TEXT_HJUSTIFY_T GetHorizJustify() const { return EDA_TEXT_HJUSTIFY_T( m_e.hjustify ); };
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EDA_TEXT_VJUSTIFY_T GetVertJustify() const { return EDA_TEXT_VJUSTIFY_T( m_e.vjustify ); };
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void SetHorizJustify( EDA_TEXT_HJUSTIFY_T aType ) { m_e.hjustify = aType; };
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void SetVertJustify( EDA_TEXT_VJUSTIFY_T aType ) { m_e.vjustify = aType; };
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/**
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* Function SetEffects
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* sets the text effects from another instance. (TEXT_EFFECTS
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* is not exposed in the public API, but includes everything except the actual
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* text string itself.)
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*/
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void SetEffects( const EDA_TEXT& aSrc );
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/**
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* Function SwapEffects
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* swaps the text effects of the two involved instances. (TEXT_EFECTS
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* is not exposed in the public API, but includes everything except the actual
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* text string itself.)
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*/
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void SwapEffects( EDA_TEXT& aTradingPartner );
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bool IsDefaultFormatting() const;
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void SetTextSize( const wxSize& aNewSize ) { m_e.size = aNewSize; };
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const wxSize& GetTextSize() const { return m_e.size; };
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void SetTextWidth( int aWidth ) { m_e.size.x = aWidth; }
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int GetTextWidth() const { return m_e.size.x; }
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void SetTextHeight( int aHeight ) { m_e.size.y = aHeight; }
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int GetTextHeight() const { return m_e.size.y; }
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void SetTextPos( const wxPoint& aPoint ) { m_e.pos = aPoint; }
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const wxPoint& GetTextPos() const { return m_e.pos; }
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void SetTextX( int aX ) { m_e.pos.x = aX; }
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void SetTextY( int aY ) { m_e.pos.y = aY; }
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void Offset( const wxPoint& aOffset ) { m_e.pos += aOffset; }
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void Empty() { m_Text.Empty(); }
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static int MapOrientation( KICAD_T labelType, int aOrientation );
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static EDA_TEXT_HJUSTIFY_T MapHorizJustify( int aHorizJustify );
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static EDA_TEXT_VJUSTIFY_T MapVertJustify( int aVertJustify );
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/**
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* Function Print
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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( wxDC* aDC, const wxPoint& aOffset, COLOR4D aColor,
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EDA_DRAW_MODE_T aDisplay_mode = FILLED );
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/**
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* Convert the text shape to a list of segment
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* each segment is stored as 2 wxPoints: the starting point and the ending point
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* there are therefore 2*n points
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* @param aCornerBuffer = a buffer to store the polygon
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*/
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void TransformTextShapeToSegmentList( std::vector<wxPoint>& aCornerBuffer ) const;
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/**
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* Function TransformBoundingBoxWithClearanceToPolygon
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* Convert the text bounding box to a rectangular polygon
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* depending on the text orientation, the bounding box
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* is not always horizontal or vertical
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* Used in filling zones calculations
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* Circles and arcs are approximated by segments
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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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/**
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* Function TextHitTest
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* Test if \a aPoint is within the bounds of this object.
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* @param aPoint- A wxPoint to test
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* @param aAccuracy - Amount to inflate the bounding box.
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* @return bool - true if a hit, else false
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*/
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virtual bool TextHitTest( const wxPoint& aPoint, int aAccuracy = 0 ) const;
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/**
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* Function TextHitTest (overloaded)
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* Tests 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 bool - 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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* Function LenSize
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* @return the text length in internal units
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* @param aLine : the line of text to consider.
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* For single line text, this parameter is always m_Text
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* @param aThickness : the stroke width of the text
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*/
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int LenSize( const wxString& aLine, int aThickness ) const;
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/**
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* Function GetTextBox
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* useful in multiline texts to calculate the full text or a line area (for
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* zones filling, locate functions....)
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* @return the rect containing the line of text (i.e. the position and the
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* 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
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* physical area
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* @param aLine The line of text to consider.
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* for single line text, aLine is unused
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* If aLine == -1, the full area (considering all lines) is returned
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* @param aThickness Overrides the current penwidth when greater than 0.
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* This is needed when the current penwidth is 0 and a default penwidth is used.
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* @param aInvertY Invert the Y axis when calculating bounding box.
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*/
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EDA_RECT GetTextBox( int aLine = -1, int aThickness = -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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* <p>
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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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* </p>
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*
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* @param aTextThickness Overrides the current thickness when greater than 0.
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* this is needed when the current m_Thickness is 0 and a default line thickness
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* is used
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*/
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int GetInterline( int aTextThickness = -1 ) const;
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/**
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* Function GetTextStyleName
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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();
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/**
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* Function GetPositionsOfLinesOfMultilineText
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* Populates aPositions with the position of each line of
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* a multiline text, according to the vertical justification and the
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* rotation of the whole text
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* @param aPositions is the list to populate by the wxPoint positions
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* @param aLineCount is the number of lines (not recalculated here
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* for efficiency reasons
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*/
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void GetPositionsOfLinesOfMultilineText(
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std::vector<wxPoint>& aPositions, int aLineCount ) const;
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/**
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* Function Format
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* outputs 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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protected:
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wxString m_Text;
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/// Cache of unescaped text for efficient access
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wxString m_shown_text;
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private:
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/**
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* Function printOneLineOfText
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* Used to print each line of this EDA_TEXT, that can be multiline
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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 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( wxDC* aDC, const wxPoint& aOffset, COLOR4D aColor,
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EDA_DRAW_MODE_T aFillMode, const wxString& aText,
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const wxPoint& aPos );
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// Private text effects data. API above provides accessor funcs.
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TEXT_EFFECTS m_e;
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/// EDA_TEXT effects bools
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enum TE_FLAGS {
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// start at zero, sequence is irrelevant
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TE_MIRROR,
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TE_ITALIC,
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TE_BOLD,
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TE_MULTILINE,
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TE_VISIBLE,
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};
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};
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#endif // EDA_TEXT_H_
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