MuseScore/libmscore/image.h

94 lines
3.3 KiB
C++

//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2012 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
#ifndef __IMAGE_H__
#define __IMAGE_H__
#include "bsymbol.h"
namespace Ms {
class ImageStoreItem;
enum class ImageType : char { NONE, RASTER, SVG };
//---------------------------------------------------------
// @@ Image
//---------------------------------------------------------
class Image final : public BSymbol {
union {
QImage* rasterDoc;
QSvgRenderer* svgDoc;
};
ImageType imageType;
QSizeF pixel2size(const QSizeF& s) const;
QSizeF size2pixel(const QSizeF& s) const;
protected:
ImageStoreItem* _storeItem;
QString _storePath; // the path of the img in the ImageStore
QString _linkPath; // the path of an external linked img
bool _linkIsValid; // whether _linkPath file exists or not
mutable QPixmap buffer; ///< cached rendering
QSizeF _size; // in mm or spatium units
bool _lockAspectRatio;
bool _autoScale; ///< fill parent frame
bool _sizeIsSpatium;
mutable bool _dirty;
virtual bool isEditable() const override { return true; }
virtual void startEdit(EditData&) override;
virtual void startDrag(EditData&) override;
virtual void editDrag(EditData& ed) override;
virtual void endEditDrag(EditData&) override;
virtual void updateGrips(EditData&) const override;
virtual QPointF gripAnchor(Grip) const override { return QPointF(); }
public:
Image(Score* = 0);
Image(const Image&);
~Image();
virtual Image* clone() const override { return new Image(*this); }
virtual ElementType type() const override { return ElementType::IMAGE; }
virtual void write(XmlWriter& xml) const override;
virtual void read(XmlReader&) override;
bool load(const QString& s);
bool loadFromData(const QString&, const QByteArray&);
virtual void layout() override;
virtual void draw(QPainter*) const override;
void setSize(const QSizeF& s) { _size = s; }
QSizeF size() const { return _size; }
bool lockAspectRatio() const { return _lockAspectRatio; }
void setLockAspectRatio(bool v) { _lockAspectRatio = v; }
bool autoScale() const { return _autoScale; }
void setAutoScale(bool v) { _autoScale = v; }
ImageStoreItem* storeItem() const { return _storeItem; }
bool sizeIsSpatium() const { return _sizeIsSpatium; }
void setSizeIsSpatium(bool val) { _sizeIsSpatium = val; }
QVariant getProperty(Pid ) const;
bool setProperty(Pid propertyId, const QVariant&);
QVariant propertyDefault(Pid id) const;
QSizeF imageSize() const;
void setImageType(ImageType);
bool isValid() const { return rasterDoc || svgDoc; }
};
} // namespace Ms
#endif