GRText.h

#ifndef GRText_H
#define GRText_H
 
/*
  GUIDO Library
  Copyright (C) 2002  Holger Hoos, Juergen Kilian, Kai Renz
  Copyright (C) 2002-2017 Grame
 
  This Source Code Form is subject to the terms of the Mozilla Public
  License, v. 2.0. If a copy of the MPL was not distributed with this
  file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
  Grame Research Laboratory, 11, cours de Verdun Gensoul 69002 Lyon - France
  research@grame.fr
 
*/
 
#include <string>
#include <vector>
 
#include "GRVisitor.h"
#include "GRPTagARNotationElement.h"
 
class ARText;
class GRStaff;
class GRRod;
class VGFont;
 
class GRText : public GRPTagARNotationElement
{   
    FloatRect fTextRect;
 
    public:
        class GRTextSaveStruct : public GRPositionTag::GRSaveStruct
        {
            public:
                        GRTextSaveStruct()  {}
                virtual ~GRTextSaveStruct() {};
                
                NVPoint position;
                NVRect boundingBox;
                std::string text;
        };
 
                         GRText( GRStaff *, const ARText * abstractRepresentationOfText );
        virtual         ~GRText();
 
        virtual void    accept (GRVisitor& visitor);
        virtual void    removeAssociation( GRNotationElement * el );
        virtual void    tellPosition( GObject * caller, const NVPoint & inPosition );
        virtual void    addAssociation( GRNotationElement * el );
        
        virtual void    OnDraw( VGDevice & hdc ) const;
 
        virtual FloatRect getTextMetrics(VGDevice & hdc, const GRStaff* staff) const;
        virtual float   getLineHeight(VGDevice & hdc) const;
        const ARText *  getARText() const;
    
        virtual unsigned int getTextAlign() const { return mTextAlign; }
 
        virtual float   getLeftSpace() const;
        virtual float   getRightSpace() const;
 
        virtual void    setPosition(const NVPoint & inPosition );
        virtual void    setHPosition( float nx );
                void    mustFollowPitch( bool flag ) { mMustFollowPitch = flag; }
 
        virtual bool    checkCollisionWith() const  { return true; }
        virtual bool    isLyrics() const;
        virtual const GRText*   isText() const          { return this; }
 
    protected:
        virtual const VGColor   startDraw( VGDevice & hdc, unsigned int& fontalign ) const;
        virtual void            endDraw( VGDevice & hdc, const VGColor, unsigned int fontalign) const;
    
        virtual GRPositionTag::GRSaveStruct * getNewGRSaveStruct()
            { return new GRTextSaveStruct; }    
 
        unsigned int mTextAlign;
        bool    mMustFollowPitch; // (when the text tag has a range)
        float   mStaffBottom;
        float   fLineHeight = 0.f;
 
    private:
        std::vector<std::string> fSubstrings;
        const VGFont* fFont;
};
 
#endif