113 lines
3.9 KiB
C++
113 lines
3.9 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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// $Id: line.h 5214 2012-01-11 09:45:40Z wschweer $
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//
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// Copyright (C) 2002-2011 Werner Schweer
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2
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// as published by the Free Software Foundation and appearing in
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// the file LICENCE.GPL
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//=============================================================================
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#ifndef __LINE_H__
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#define __LINE_H__
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#include "spanner.h"
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#include "mscore.h"
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class SLine;
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class System;
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class MuseScoreView;
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class QPainter;
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//---------------------------------------------------------
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// @@ LineSegment
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/// Virtual base class for segmented lines segments
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/// (OttavaSegment, HairpinSegment, TrillSegment...)
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//
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/// This class describes one segment of an segmented
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/// line object. Line objects can span multiple staves.
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/// For every staff a segment is created.
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//---------------------------------------------------------
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class LineSegment : public SpannerSegment {
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Q_OBJECT
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protected:
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QPointF _p2;
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QPointF _userOff2;
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virtual bool isEditable() const { return true; }
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virtual void editDrag(const EditData&);
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virtual bool edit(MuseScoreView*, int grip, int key, Qt::KeyboardModifiers, const QString& s);
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virtual void updateGrips(int*, QRectF*) const;
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virtual void setGrip(int grip, const QPointF& p);
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virtual QPointF getGrip(int) const;
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virtual QPointF gripAnchor(int) const;
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virtual void layout() {}
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public:
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LineSegment(Score* s);
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LineSegment(const LineSegment&);
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virtual LineSegment* clone() const = 0;
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virtual void draw(QPainter*) const = 0;
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SLine* line() const { return (SLine*)spanner(); }
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const QPointF& userOff2() const { return _userOff2; }
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void setUserOff2(const QPointF& o) { _userOff2 = o; }
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void setUserXoffset2(qreal x) { _userOff2.setX(x); }
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void setPos2(const QPointF& p) { _p2 = p; }
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QPointF pos2() const { return _p2 + _userOff2; }
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const QPointF& ipos2() const { return _p2; }
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virtual void reset();
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virtual void spatiumChanged(qreal, qreal);
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virtual QPointF pagePos() const;
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virtual bool isEdited(SpannerSegment*) const;
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friend class SLine;
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virtual void read(XmlReader&);
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bool readProperties(XmlReader&);
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};
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//---------------------------------------------------------
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// @@ SLine
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/// virtual base class for Hairpin, Trill and TextLine
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//---------------------------------------------------------
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class SLine : public Spanner {
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Q_OBJECT
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protected:
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bool _diagonal;
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public:
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SLine(Score* s);
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SLine(const SLine&);
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virtual void layout();
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bool readProperties(XmlReader& node);
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void writeProperties(Xml& xml, const SLine* proto = 0) const;
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virtual LineSegment* createLineSegment() = 0;
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void setLen(qreal l);
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virtual const QRectF& bbox() const;
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virtual QPointF linePos(int grip, System** system);
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virtual void write(Xml&) const;
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virtual void read(XmlReader&);
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bool diagonal() const { return _diagonal; }
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void setDiagonal(bool v) { _diagonal = v; }
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int tick() const;
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int tick2() const;
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LineSegment* frontSegment() const { return (LineSegment*)spannerSegments().front(); }
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LineSegment* backSegment() const { return (LineSegment*)spannerSegments().back(); }
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LineSegment* takeFirstSegment() { return (LineSegment*)spannerSegments().takeFirst(); }
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LineSegment* takeLastSegment() { return (LineSegment*)spannerSegments().takeLast(); }
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LineSegment* segmentAt(int n) const { return (LineSegment*)spannerSegments().at(n); }
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};
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#endif
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