primitivezonegraphicsitem.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_PRIMITIVEZONEGRAPHICSITEM_H
#define LIBREPCB_EDITOR_PRIMITIVEZONEGRAPHICSITEM_H
 
/*******************************************************************************
 *  Includes
 ******************************************************************************/
#include "primitivepathgraphicsitem.h"
 
#include <librepcb/core/geometry/path.h>
 
#include <QtCore>
#include <QtWidgets>
 
/*******************************************************************************
 *  Namespace / Forward Declarations
 ******************************************************************************/
namespace librepcb {
 
class Layer;
 
namespace editor {
 
class IF_GraphicsLayerProvider;
 
/*******************************************************************************
 *  Class PrimitiveZoneGraphicsItem
 ******************************************************************************/
 
class PrimitiveZoneGraphicsItem : public QGraphicsItem {
public:
  // Constructors / Destructor
  PrimitiveZoneGraphicsItem() = delete;
  PrimitiveZoneGraphicsItem(const PrimitiveZoneGraphicsItem& other) = delete;
  PrimitiveZoneGraphicsItem(const IF_GraphicsLayerProvider& lp,
                            QGraphicsItem* parent = nullptr) noexcept;
  virtual ~PrimitiveZoneGraphicsItem() noexcept;
 
  // Getters
 
  int getLineIndexAtPosition(const Point& pos) const noexcept;
 
  QVector<int> getVertexIndicesAtPosition(const Point& pos) const noexcept;
 
  // Setters
  void setPosition(const Point& pos) noexcept;
  void setRotation(const Angle& rot) noexcept;
  void setAllLayers(const QSet<const Layer*>& layers) noexcept;
  void setEnabledLayers(const QSet<const Layer*>& layers) noexcept;
  void setOutline(const Path& path) noexcept;
 
  void setEditable(bool editable) noexcept;
 
  // Inherited Methods
  QVariant itemChange(GraphicsItemChange change,
                      const QVariant& value) noexcept override;
  QRectF boundingRect() const noexcept override {
    return mBoundingRect +
        QMarginsF(mBoundingRectMarginPx, mBoundingRectMarginPx,
                  mBoundingRectMarginPx, mBoundingRectMarginPx);
  }
  QPainterPath shape() const noexcept override;
  void paint(QPainter* painter, const QStyleOptionGraphicsItem* option,
             QWidget* widget = 0) noexcept override;
 
  // Operator Overloadings
  PrimitiveZoneGraphicsItem& operator=(const PrimitiveZoneGraphicsItem& rhs) =
      delete;
 
private:  // Methods
  void layerEdited(const GraphicsLayer& layer,
                   GraphicsLayer::Event event) noexcept;
  void updateColors() noexcept;
  void updateBoundingRectAndShape() noexcept;
  void updateBoundingRectMargin() noexcept;
  void updateVisibility() noexcept;
 
private:  // Data
  const IF_GraphicsLayerProvider& mLayerProvider;
  QVector<std::shared_ptr<GraphicsLayer>> mAllGraphicsLayers;
  QVector<std::shared_ptr<GraphicsLayer>> mEnabledGraphicsLayers;
  Path mOutline;
  bool mEditable;
 
  // Cached attributes
  std::shared_ptr<GraphicsLayer> mLayer;
  QPen mPen;
  QPen mPenHighlighted;
  QBrush mBrush;
  QBrush mBrushHighlighted;
  QPainterPath mPainterPath;
  QRectF mBoundingRect;
  qreal mBoundingRectMarginPx;
  QPainterPath mShape;
  qreal mVertexHandleRadiusPx;
  struct VertexHandle {
    Point pos;
    qreal maxGlowRadiusPx;
  };
  QVector<VertexHandle> mVertexHandles;
 
  // Slots
  GraphicsLayer::OnEditedSlot mOnLayerEditedSlot;
};
 
/*******************************************************************************
 *  End of File
 ******************************************************************************/
 
}  // namespace editor
}  // namespace librepcb
 
#endif