MuseScore/libmscore/image.h
2013-08-31 13:42:45 +02:00

94 lines
3.1 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 ImageType { IMAGE_NONE, IMAGE_RASTER, IMAGE_SVG };
//---------------------------------------------------------
// @@ Image
//---------------------------------------------------------
class Image : public BSymbol {
union {
QImage* rasterDoc;
QSvgRenderer* svgDoc;
};
ImageType imageType;
Q_OBJECT
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 { return true; }
virtual void editDrag(const EditData&);
virtual void updateGrips(int*, QRectF*) const;
virtual QPointF gripAnchor(int /*grip*/) const { return QPointF(); }
public:
Image(Score* = 0);
Image(const Image&);
~Image();
virtual Image* clone() const { return new Image(*this); }
virtual ElementType type() const { return IMAGE; }
virtual void write(Xml& xml) const;
virtual void read(XmlReader&);
bool load(const QString& s);
virtual void layout();
virtual void draw(QPainter*) const;
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; }
QSizeF scale() const;
void setScale(const QSizeF&);
QSizeF scaleForSize(const QSizeF&) const;
QSizeF sizeForScale(const QSizeF&) const;
QVariant getProperty(P_ID ) const;
bool setProperty(P_ID propertyId, const QVariant&);
QVariant propertyDefault(P_ID id) const;
QSizeF imageSize() const;
qreal scaleFactor() const;
void setImageType(ImageType);
bool isValid() const { return rasterDoc || svgDoc; }
};
} // namespace Ms
#endif