GRFlag.h

#ifndef GRFlag_H
#define GRFlag_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 "GRNotationElement.h"
 
class GREvent;
class GRGlobalStem;
class GRStem;
 
 
class GRFlag : public GRNotationElement
{
public:
    friend class GREvent;
 
    enum FLAGTYPE { NONE = kNoneSymbol,
         H8U = kFlag8UpSymbol, 
         H8D = kFlag8DownSymbol,  
         H16U = kFlag16UpSymbol,
         H16D = kFlag16DownSymbol, 
         H32U = kFlag32UpSymbol,
         H32D = kFlag32DownSymbol,
         H64U = kFlag64UpSymbol, 
         H64D = kFlag64DownSymbol };
 
    GRFlag(const TYPE_DURATION & durtempl);
 
    GRFlag(GRGlobalStem * gstem, const TYPE_DURATION & durtempl,
        GDirection dir, float stemlength);
 
    GRFlag(GREvent * sngnot, const TYPE_DURATION & durtempl,
        GDirection dir, float stemlength,
        float notebreite);
 
    virtual ~GRFlag();
    
    virtual void configureForChord(GRGlobalStem *gstem, const TYPE_DURATION& duration);
    virtual void configureForSingleNote(GREvent *sngnot, const TYPE_DURATION& duration);
 
    virtual void changeStemLength (GREvent * sngnot, float inLen, GDirection stemdir);
 
    virtual const NVPoint & getOffset() const               { return mOffset; }
    virtual const NVPoint & getReferencePosition() const    { return sRefpos; }
 
    void setFlagOnOff(bool p);
 
    virtual float getSize() const       { return mSize; }
    virtual const unsigned char * getColRef() const { return mColRef; }
    void setStraight(bool nstr)         { mStraight = nstr; }
    bool getStraight() const            { return mStraight; }
 
    virtual void OnDraw(VGDevice & hdc ) const;
 
    virtual int getNumFaehnchen() const;
    virtual void setColRef(const unsigned char * tmpcolref);
 
    void changeOffset (GRStem * stem);
    
protected:
            void    calcFlagExtent( float inNoteBreite );
            void    initialize(const TYPE_DURATION & duration, GDirection stemdir, float notebreite);
 
    static NVPoint      sRefpos;
 
    float               mSize;
    unsigned char *     mColRef;
    bool                mFlagOn;
 
    // is set to one, if the flag should be drawn straight...
    bool                mStraight;
 
 
private:
    NVPoint             mOffset;
    GDirection     fStemdir;
    float          fStemlength;
    float          fNotebreite;
};
 
#endif