328 lines
13 KiB
C++
328 lines
13 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) 2004-2013 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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/**
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* @file eda_text.h
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* @brief Definition of base KiCad text object.
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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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// 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 show solid segments (segments, texts...) */
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enum EDA_DRAW_MODE_T {
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LINE = 0, // segments are drawn as lines
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FILLED, // normal mode: segments have thickness
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SKETCH // sketch mode: segments have thickness, but are not filled
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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). DO NOT change this value if
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* you do not fully realize the effect it has on sexp serialization
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* (text size equal to this is not explicitly wrote, so it would change
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* subsequent reads) */
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#define DEFAULT_SIZE_TEXT 60 // default text height (in mils, i.e. 1/1000")
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#define TEXT_NO_VISIBLE 1 //< EDA_TEXT::m_Attribut(e?) visibility flag.
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#define DIM_ANCRE_TEXTE 2 // Anchor size for text
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/**
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* Class EDA_TEXT
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* is a basic class to handle texts (labels, texts on components or footprints
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* ..) not used directly. The "used" text classes are derived from EDA_ITEM and
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* EDA_TEXT using multiple inheritance.
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*/
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class EDA_TEXT
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{
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protected:
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wxString m_Text;
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int m_Thickness; ///< pen size used to draw this text
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double m_Orient; ///< Orient in 0.1 degrees
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wxPoint m_Pos; ///< XY position of anchor text.
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wxSize m_Size; ///< XY size of text
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bool m_Mirror; ///< true if mirrored
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int m_Attributs; ///< bit flags such as visible, etc.
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bool m_Italic; ///< should be italic font (if available)
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bool m_Bold; ///< should be bold font (if available)
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EDA_TEXT_HJUSTIFY_T m_HJustify; ///< horizontal justification
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EDA_TEXT_VJUSTIFY_T m_VJustify; ///< vertical justification
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bool m_MultilineAllowed; /**< true to use multiline option, false
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* to use only single line text
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* Single line is faster in
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* calculations than multiline */
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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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* <p>
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* This function is virtual to allow derived classes to override getting the
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* string to provide a way for modifying the base string by adding a suffix or
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* prefix to the base string.
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* </p>
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* @return a const wxString object 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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virtual void SetText( const wxString& aText ) { m_Text = aText; }
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/**
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* Function SetThickness
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* sets text thickness.
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* @param aNewThickness is the new text thickness.
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*/
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void SetThickness( int aNewThickness ) { m_Thickness = aNewThickness; };
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/**
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* Function GetThickness
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* returns text thickness.
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* @return int - text thickness.
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*/
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int GetThickness() const { return m_Thickness; };
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void SetOrientation( double aOrientation )
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{
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NORMALIZE_ANGLE_POS( aOrientation );
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m_Orient = aOrientation;
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}
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double GetOrientation() const { return m_Orient; }
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void SetItalic( bool isItalic ) { m_Italic = isItalic; }
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bool IsItalic() const { return m_Italic; }
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void SetBold( bool aBold ) { m_Bold = aBold; }
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bool IsBold() const { return m_Bold; }
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void SetVisible( bool aVisible )
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{
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( aVisible ) ? m_Attributs &= ~TEXT_NO_VISIBLE : m_Attributs |= TEXT_NO_VISIBLE;
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}
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bool IsVisible() const { return !( m_Attributs & TEXT_NO_VISIBLE ); }
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void SetMirrored( bool isMirrored ) { m_Mirror = isMirrored; }
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bool IsMirrored() const { return m_Mirror; }
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void SetAttributes( int aAttributes ) { m_Attributs = aAttributes; }
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int GetAttributes() const { return m_Attributs; }
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bool IsDefaultFormatting() const;
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/**
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* Function SetSize
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* sets text size.
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* @param aNewSize is the new text size.
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*/
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void SetSize( const wxSize& aNewSize ) { m_Size = aNewSize; };
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/**
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* Function GetSize
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* returns text size.
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* @return wxSize - text size.
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*/
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const wxSize& GetSize() const { return m_Size; };
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void SetWidth( int aWidth ) { m_Size.x = aWidth; }
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int GetWidth() const { return m_Size.x; }
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void SetHeight( int aHeight ) { m_Size.y = aHeight; }
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int GetHeight() const { return m_Size.y; }
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/// named differently than the ones using multiple inheritance and including this class
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void SetTextPosition( const wxPoint& aPoint ) { m_Pos = aPoint; }
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const wxPoint& GetTextPosition() const { return m_Pos; }
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void SetMultilineAllowed( bool aAllow ) { m_MultilineAllowed = aAllow; }
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bool IsMultilineAllowed() const { return m_MultilineAllowed; }
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void Offset( const wxPoint& aOffset ) { m_Pos += aOffset; }
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void Empty() { m_Text.Empty(); }
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/**
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* Function Draw
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* @param aClipBox = the clipping rect, or NULL if no clipping
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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 aDrawMode = GR_OR, GR_XOR.., -1 to use the current mode.
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* @param aDisplay_mode = LINE, FILLED or SKETCH
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* @param aAnchor_color = anchor color ( UNSPECIFIED = do not draw anchor ).
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*/
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void Draw( EDA_RECT* aClipBox, wxDC* aDC,
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const wxPoint& aOffset, EDA_COLOR_T aColor,
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GR_DRAWMODE aDrawMode, EDA_DRAW_MODE_T aDisplay_mode = LINE,
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EDA_COLOR_T aAnchor_color = UNSPECIFIED_COLOR );
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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 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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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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bool TextHitTest( const EDA_RECT& aRect, bool aContains = false, 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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*/
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int LenSize( const wxString& aLine ) 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 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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* @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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* Function GetInterline
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* return the distance between 2 text lines
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* has meaning only for multiline texts
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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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EDA_TEXT_HJUSTIFY_T GetHorizJustify() const { return m_HJustify; };
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EDA_TEXT_VJUSTIFY_T GetVertJustify() const { return m_VJustify; };
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void SetHorizJustify( EDA_TEXT_HJUSTIFY_T aType ) { m_HJustify = aType; };
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void SetVertJustify( EDA_TEXT_VJUSTIFY_T aType ) { m_VJustify = aType; };
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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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throw( IO_ERROR );
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private:
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/**
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* Function drawOneLineOfText
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* Draw a single text line.
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* Used to draw each line of this EDA_TEXT, that can be multiline
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* @param aClipBox = the clipping rect, or NULL if no clipping
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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 aDrawMode = GR_OR, GR_XOR.., -1 to use the current mode.
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* @param aFillMode = LINE, 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 drawOneLineOfText( EDA_RECT* aClipBox, wxDC* aDC,
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const wxPoint& aOffset, EDA_COLOR_T aColor,
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GR_DRAWMODE aDrawMode, EDA_DRAW_MODE_T aFillMode,
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wxString& aText, wxPoint aPos );
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};
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#endif // EDA_TEXT_H_
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