100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2010-2011 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 __ELEMENTLAYOUT_H__
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#define __ELEMENTLAYOUT_H__
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namespace Ms {
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class Element;
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class XmlWriter;
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class XmlReader;
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//---------------------------------------------------------
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// OffsetType
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//---------------------------------------------------------
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enum class OffsetType : char {
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ABS, ///< offset in point units
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SPATIUM ///< offset in staff space units
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};
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//---------------------------------------------------------
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// Align
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//---------------------------------------------------------
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enum class Align : char {
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LEFT = 0,
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RIGHT = 1,
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HCENTER = 2,
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TOP = 0,
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BOTTOM = 4,
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VCENTER = 8,
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BASELINE = 16,
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CENTER = Align::HCENTER | Align::VCENTER,
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HMASK = Align::LEFT | Align::RIGHT | Align::HCENTER,
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VMASK = Align::TOP | Align::BOTTOM | Align::VCENTER | Align::BASELINE
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};
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constexpr Align operator| (Align a1, Align a2) {
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return static_cast<Align>(static_cast<char>(a1) | static_cast<char>(a2));
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}
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// constexpr Align operator& (Align a1, Align a2) {
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// return static_cast<Align>(static_cast<char>(a1) & static_cast<char>(a2));
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// }
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constexpr bool operator& (Align a1, Align a2) {
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return static_cast<char>(a1) & static_cast<char>(a2);
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}
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constexpr Align operator~ (Align a) {
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return static_cast<Align>(~static_cast<char>(a));
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}
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//---------------------------------------------------------
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// ElementLayout
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//---------------------------------------------------------
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class ElementLayout {
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protected:
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Align _align;
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QPointF _offset; // inch or spatium
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OffsetType _offsetType;
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public:
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ElementLayout();
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ElementLayout(Align a, const QPointF& o, OffsetType ot)
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: _align(a), _offset(o), _offsetType(ot) {}
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Align align() const { return _align; }
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OffsetType offsetType() const { return _offsetType; }
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qreal xOffset() const { return _offset.x(); }
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qreal yOffset() const { return _offset.y(); }
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const QPointF& offset() const { return _offset; }
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QPointF offset(qreal) const;
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void setAlign(Align val) { _align = val; }
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void setXoff(qreal val) { _offset.rx() = val; }
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void setYoff(qreal val) { _offset.ry() = val; }
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void setOffsetType(OffsetType val) { _offsetType = val; }
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void layout(Element*) const;
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void writeProperties(XmlWriter& xml) const;
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void writeProperties(XmlWriter& xml, const ElementLayout&) const;
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bool readProperties(XmlReader& e);
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void restyle(const ElementLayout& ol, const ElementLayout& nl);
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};
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} // namespace Ms
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Q_DECLARE_METATYPE(Ms::Align);
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#endif
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