kicad/pcbnew/class_text_mod.h

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
 * Copyright (C) 1992-2011 KiCad Developers, see AUTHORS.txt for contributors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, you may find one here:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 * or you may search the http://www.gnu.org website for the version 2 license,
 * or you may write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

/**
 * @file class_text_mod.h
 * @brief Footprint text class description.
 */


#ifndef TEXT_MODULE_H_
#define TEXT_MODULE_H_


#include <class_board_item.h>


class LINE_READER;
class EDA_RECT;
class EDA_DRAW_PANEL;
class EDA_DRAW_FRAME;
class MODULE;


#define TEXT_is_REFERENCE 0
#define TEXT_is_VALUE     1
#define TEXT_is_DIVERS    2

#define UMBILICAL_COLOR   LIGHTBLUE


class TEXTE_MODULE : public BOARD_ITEM, public EDA_TEXT
{
    // @todo eliminate these friends, make them use accessors
    friend class MODULE;
    friend class FOOTPRINT_EDIT_FRAME;

    /* Note: orientation in 1/10 deg relative to the footprint
     * Physical orient is m_Orient + m_Parent->m_Orient
     */

    int     m_Type;         ///< 0=ref, 1=val, etc.
    bool    m_NoShow;       ///< true = invisible

    wxPoint m_Pos0;         ///< text coordinates relatives to the footprint anchor, orient 0.
                            ///< text coordinate ref point is the text centre

public:
    TEXTE_MODULE( MODULE* parent, int text_type = TEXT_is_DIVERS );

    // Do not create a copy constructor.  The one generated by the compiler is adequate.

    ~TEXTE_MODULE();

    TEXTE_MODULE* Next() const { return (TEXTE_MODULE*) Pnext; }

    TEXTE_MODULE* Back() const { return (TEXTE_MODULE*) Pback; }

    void SetPosition( const wxPoint& aPos )     // was overload
    {
        m_Pos = aPos;       // in EDA_TEXT
    }

    const wxPoint& GetPosition() const          // was overload
    {
        return m_Pos;       // from EDA_TEXT
    }

    /// @deprecated it seems
    void SetType( int aType )   { m_Type = aType; }
    int GetType() const { return m_Type; }

    void SetVisible( bool isVisible )   { m_NoShow = !isVisible; }
    bool IsVisible() const { return !m_NoShow; }

    void SetPos0( const wxPoint& aPos )  { m_Pos0 = aPos; }
    const wxPoint& GetPos0() const { return m_Pos0; }

    void Copy( TEXTE_MODULE* source ); // copy structure

    int GetLength() const;        /* text length */

    int GetDrawRotation() const;  // Return text rotation for drawings and plotting

    /**
     * Function GetTextRect
     * @return an EDA_RECT which gives the position and size of the text area
     * (for the 0 orient text and footprint)
     */
    EDA_RECT GetTextRect( void ) const;

    /**
     * Function GetBoundingBox
     * returns the bounding box of this Text (according to text and footprint
     * orientation)
     */
    EDA_RECT GetBoundingBox() const;

    void SetDrawCoord();        // Set absolute coordinates.

    void SetLocalCoord();       // Set relative coordinates.

    /**
     * Function Save
     * writes the data structures for this object out to a FILE in "*.brd"
     * format.
     * @param aFile The FILE to write to.
     * @return bool - true if success writing else false.
     */
    bool Save( FILE* aFile ) const;

    /**
     * Function ReadDescr
     * Read description from a given line in "*.brd" format.
     * @param aReader is a pointer to a LINE_READER to read from.
     * @return int - > 0 if success reading else 0.
     */
    int ReadDescr( LINE_READER* aReader );

    /* drawing functions */
    void Draw( EDA_DRAW_PANEL* panel,
               wxDC*           DC,
               int             aDrawMode,
               const wxPoint&  offset = ZeroOffset );

    /**
     * Function DrawUmbilical
     * draws a line from the TEXTE_MODULE origin
     * to parent MODULE origin.
     * @param aPanel = the current DrawPanel
     * @param aDC = the current device context
     * @param aDrawMode = drawing mode, typically GR_XOR
     * @param aOffset = offset for TEXTE_MODULE
     */
    void DrawUmbilical( EDA_DRAW_PANEL* aPanel,
                        wxDC*           aDC,
                        int             aDrawMode,
                        const wxPoint&  aOffset = ZeroOffset );

    /**
     * Function DisplayInfo
     * has knowledge about the frame and how and where to put status
     * information about this object into the frame's message panel.
     * Is virtual from EDA_ITEM.
     * @param frame A EDA_DRAW_FRAME in which to print status information.
     */
    void DisplayInfo( EDA_DRAW_FRAME* frame );


    /**
     * Function HitTest
     * tests if the given wxPoint is within the bounds of this object.
     * @param aRefPos A wxPoint to test
     * @return bool - true if a hit, else false
     */
    bool HitTest( const wxPoint& aRefPos );

    /**
     * Function IsOnLayer
     * tests to see if this object is on the given layer.  Is virtual so
     * objects like D_PAD, which reside on multiple layers can do their own
     * form of testing.
     * virtual inheritance from BOARD_ITEM.
     * @param aLayer The layer to test for.
     * @return bool - true if on given layer, else false.
     */
    bool IsOnLayer( int aLayer ) const;

    /*
     * Function IsOnOneOfTheseLayers
     * returns true if this object is on one of the given layers.  Is virtual
     * so objects like D_PAD, which reside on multiple layers, can do their own
     * form of testing.
     * virtual inheritance from BOARD_ITEM. (not yet written)
     * @param aLayerMask The bit-mapped set of layers to test for.
     * @return bool - true if on one of the given layers, else false.
     * bool IsOnOneOfTheseLayers( int aLayerMask ) const;
     */


    /**
     * Function GetClass
     * returns the class name.
     * @return wxString = "MTEXT"
     */
    virtual wxString GetClass() const
    {
        return wxT( "MTEXT" );
    }


    virtual wxString GetSelectMenuText() const;

    virtual BITMAP_DEF GetMenuImage() const { return  footprint_text_xpm; }

#if defined(DEBUG)
    void Show( int nestLevel, std::ostream& os ) const;     // overload
#endif

private:
    virtual EDA_ITEM* doClone() const;
};

#endif // TEXT_MODULE_H_