kicad/pcbnew/pcb_textbox.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) 1992-2022 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
 */

#ifndef PCB_TEXTBOX_H
#define PCB_TEXTBOX_H

#include <eda_text.h>
#include <pcb_shape.h>


class LINE_READER;
class MSG_PANEL_ITEM;


class PCB_TEXTBOX : public PCB_SHAPE, public EDA_TEXT
{
public:
    PCB_TEXTBOX( BOARD_ITEM* aParent, KICAD_T aType = PCB_TEXTBOX_T );

    // Do not create a copy constructor & operator=.
    // The ones generated by the compiler are adequate.

    ~PCB_TEXTBOX();

    static inline bool ClassOf( const EDA_ITEM* aItem )
    {
        return aItem && PCB_TEXTBOX_T == aItem->Type();
    }

    bool IsType( const std::vector<KICAD_T>& aScanTypes ) const override
    {
        if( BOARD_ITEM::IsType( aScanTypes ) )
            return true;

        for( KICAD_T scanType : aScanTypes )
        {
            if( scanType == PCB_LOCATE_TEXT_T )
                return true;
        }

        return false;
    }

    wxString GetFriendlyName() const override { return _( "Text Box" ); }

    VECTOR2I GetTopLeft() const override;
    VECTOR2I GetBotRight() const override;

    void SetTop( int aVal ) override;
    void SetLeft( int aVal ) override;
    void SetRight( int aVal ) override;
    void SetBottom( int aVal ) override;

    void StyleFromSettings( const BOARD_DESIGN_SETTINGS& settings ) override;

    int GetLegacyTextMargin() const;

    void SetMarginLeft( int aLeft )     { m_marginLeft = aLeft; }
    void SetMarginTop( int aTop )       { m_marginTop = aTop; }
    void SetMarginRight( int aRight )   { m_marginRight = aRight; }
    void SetMarginBottom( int aBottom ) { m_marginBottom = aBottom; }

    int GetMarginLeft() const           { return m_marginLeft; }
    int GetMarginTop() const            { return m_marginTop; }
    int GetMarginRight() const          { return m_marginRight; }
    int GetMarginBottom() const         { return m_marginBottom; }

    VECTOR2I GetDrawPos() const override;

    void SetTextAngle( const EDA_ANGLE& aAngle ) override;

    wxString GetShownText( bool aAllowExtraText, int aDepth = 0 ) const override;

    /// PCB_TEXTBOXes are always visible:
    void SetVisible( bool aVisible ) override { /* do nothing */}
    bool IsVisible() const override { return true; }

    bool Matches( const EDA_SEARCH_DATA& aSearchData, void* aAuxData ) const override;

    std::vector<VECTOR2I> GetAnchorAndOppositeCorner() const;

    void Move( const VECTOR2I& aMoveVector ) override;

    void Rotate( const VECTOR2I& aRotCentre, const EDA_ANGLE& aAngle ) override;

    void Mirror( const VECTOR2I& aCentre, bool aMirrorAroundXAxis ) override;

    void Flip( const VECTOR2I& aCentre, bool aFlipLeftRight ) override;

    void GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList ) override;

    bool HitTest( const VECTOR2I& aPosition, int aAccuracy ) const override;

    bool HitTest( const BOX2I& aRect, bool aContained, int aAccuracy = 0 ) const override;

    wxString GetClass() const override
    {
        return wxT( "PCB_TEXTBOX" );
    }

    /**
     * Function TransformTextToPolySet
     * Convert the text to a polygonSet describing the actual character strokes (one per segment).
     * Used in 3D viewer
     * Circles and arcs are approximated by segments
     * @param aBuffer = SHAPE_POLY_SET to store the polygon corners
     * @param aClearance = the clearance around the text
     * @param aError = the maximum error to allow when approximating curves
     */
    void TransformTextToPolySet( SHAPE_POLY_SET& aBuffer, int aClearance, int aMaxError,
                                 ERROR_LOC aErrorLoc ) const;

    void TransformShapeToPolygon( SHAPE_POLY_SET& aBuffer, PCB_LAYER_ID aLayer, int aClearance,
                                  int aMaxError, ERROR_LOC aErrorLoc,
                                  bool aIgnoreLineWidth = false ) const override;

    // @copydoc BOARD_ITEM::GetEffectiveShape
    std::shared_ptr<SHAPE> GetEffectiveShape( PCB_LAYER_ID aLayer = UNDEFINED_LAYER,
                                              FLASHING aFlash = FLASHING::DEFAULT ) const override;

    wxString GetItemDescription( UNITS_PROVIDER* aUnitsProvider ) const override;

    BITMAPS GetMenuImage() const override;

    double ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const override;

    void ViewGetLayers( int aLayers[], int& aCount ) const override;

    EDA_ITEM* Clone() const override;

    ///< Tests whether the border is disabled, as configured by the stroke
    bool IsBorderEnabled() const;

    ///< Disables the border, this is done by changing the stroke internally
    void SetBorderEnabled( bool enabled );

    void SetBorderWidth( const int aSize );
    int  GetBorderWidth() const { return m_stroke.GetWidth(); }

    double Similarity( const BOARD_ITEM& aBoardItem ) const override;

    bool operator==( const BOARD_ITEM& aBoardItem ) const override;

protected:
    bool m_borderEnabled; ///< Controls drawing the border (as defined by the stroke members)

    virtual void swapData( BOARD_ITEM* aImage ) override;

    const KIFONT::METRICS& getFontMetrics() const override { return GetFontMetrics(); }

private:
    int  m_marginLeft;
    int  m_marginTop;
    int  m_marginRight;
    int  m_marginBottom;
};

#endif  // #define PCB_TEXTBOX_H