primitivecirclegraphicsitem.h

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/*
 * LibrePCB - Professional EDA for everyone!
 * Copyright (C) 2013 LibrePCB Developers, see AUTHORS.md for contributors.
 * https://librepcb.org/
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef LIBREPCB_EDITOR_PRIMITIVECIRCLEGRAPHICSITEM_H
#define LIBREPCB_EDITOR_PRIMITIVECIRCLEGRAPHICSITEM_H
 
/*******************************************************************************
 *  Includes
 ******************************************************************************/
#include "graphicslayer.h"
 
#include <librepcb/core/types/length.h>
 
#include <QtCore>
#include <QtWidgets>
 
/*******************************************************************************
 *  Namespace / Forward Declarations
 ******************************************************************************/
namespace librepcb {
 
class Point;
 
namespace editor {
 
/*******************************************************************************
 *  Class PrimitiveCircleGraphicsItem
 ******************************************************************************/
 
class PrimitiveCircleGraphicsItem : public QGraphicsItem {
public:
  // Types
  enum class ShapeMode {
    StrokeAndAreaByLayer,
 
    FilledOutline,
  };
 
  // Constructors / Destructor
  // PrimitiveCircleGraphicsItem() = delete;
  PrimitiveCircleGraphicsItem(const PrimitiveCircleGraphicsItem& other) =
      delete;
  explicit PrimitiveCircleGraphicsItem(
      QGraphicsItem* parent = nullptr) noexcept;
  virtual ~PrimitiveCircleGraphicsItem() noexcept;
 
  // Setters
  void setPosition(const Point& pos) noexcept;
  void setDiameter(const UnsignedLength& dia) noexcept;
  void setLineWidth(const UnsignedLength& width) noexcept;
  void setLineLayer(const std::shared_ptr<GraphicsLayer>& layer) noexcept;
  void setFillLayer(const std::shared_ptr<GraphicsLayer>& layer) noexcept;
  void setShapeMode(ShapeMode mode) noexcept;
 
  // Inherited from QGraphicsItem
  virtual QRectF boundingRect() const noexcept override {
    return mBoundingRect;
  }
  virtual QPainterPath shape() const noexcept override;
  virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* option,
                     QWidget* widget = 0) noexcept override;
 
  // Operator Overloadings
  PrimitiveCircleGraphicsItem& operator=(
      const PrimitiveCircleGraphicsItem& rhs) = delete;
 
private:  // Methods
  void layerEdited(const GraphicsLayer& layer,
                   GraphicsLayer::Event event) noexcept;
  void updateColors() noexcept;
  void updateBoundingRectAndShape() noexcept;
  void updateVisibility() noexcept;
 
private:  // Data
  std::shared_ptr<GraphicsLayer> mLineLayer;
  std::shared_ptr<GraphicsLayer> mFillLayer;
  ShapeMode mShapeMode;
  QPen mPen;
  QPen mPenHighlighted;
  QBrush mBrush;
  QBrush mBrushHighlighted;
  QRectF mCircleRect;
  QRectF mBoundingRect;
  QPainterPath mShape;
 
  // Slots
  GraphicsLayer::OnEditedSlot mOnLayerEditedSlot;
};
 
/*******************************************************************************
 *  End of File
 ******************************************************************************/
 
}  // namespace editor
}  // namespace librepcb
 
#endif