shape.h

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#pragma once
 
#include <QPainter>
#include <QPainterPath>
#include <QRectF>
 
using namespace std;
 
class Layer;
 
class DocumentSerializer;
 
class Shape {
public:
  enum class Type {
    None, Path, Bitmap, Text, Group
  };
 
  Shape() noexcept;
 
  virtual ~Shape();
 
  // General attributes
  bool selected() const;
 
  Layer *layer() const;
 
  QPointF pos() const;
 
  qreal rotation() const;
 
  qreal x() const;
 
  qreal y() const;
 
  Shape *parent() const;
 
  void setRotation(qreal r);
 
  void setLayer(Layer *layer);
 
  void setSelected(bool selected);
 
  void setParent(Shape *parent);
 
 
  // Bounding box
  QRectF boundingRect() const;
 
  QPolygonF rotatedBBox() const;
 
  void flushCache();
 
  const QTransform &transform() const;
 
  const QTransform &tempTransform() const;
 
  QTransform globalTransform() const;
 
  void applyTransform(const QTransform &transform);
 
  void setTransform(const QTransform &transform);
 
  void setTempTransform(const QTransform &transform);
 
  bool hasLayer() const;
 
  bool isParentSelected() const;
 
  bool isLayerLocked() const;
 
  virtual shared_ptr<Shape> clone() const;
 
  virtual bool hitTest(QPointF global_coord, qreal tolerance) const;
 
  virtual bool hitTest(QRectF global_coord_rect) const;
 
  virtual void paint(QPainter *painter) const;
 
  virtual Type type() const;
 
  virtual operator QString();
 
  friend class DocumentSerializer;
 
protected:
  virtual void calcBoundingBox() const;
 
private:
  Layer *layer_;
  Shape *parent_;
  qreal rotation_;
  mutable bool bbox_need_recalc_;
 
protected:
  QTransform temp_transform_;
  QTransform transform_;
  mutable QPolygonF rotated_bbox_;
  mutable QRectF bbox_;
  bool selected_;
};
 
typedef shared_ptr<Shape> ShapePtr;