File indexing completed on 2025-01-05 03:51:41

 /* ============================================================
  *
  * This file is a part of digiKam project
  * https://www.digikam.org
  *
  * Date        : 2017-06-15
  * Description : a brush for use with tool to replace part of the image using another
  *
  * SPDX-FileCopyrightText: 2017 by Shaza Ismail Kaoud <shaza dot ismail dot k at gmail dot com>
  * SPDX-FileCopyrightText: 2019 by Ahmed Fathi <ahmed dot fathi dot abdelmageed at gmail dot com>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  *
  * ============================================================ */
 
 #ifndef DIGIKAM_HEALING_CLONE_TOOL_WIDGET_H
 #define DIGIKAM_HEALING_CLONE_TOOL_WIDGET_H
 
 // Local includes
 
 #include "previewtoolbar.h"
 #include "imageregionwidget.h"
 #include "imageregionitem.h"
 
 using namespace Digikam;
 
 namespace DigikamEditorHealingCloneToolPlugin
 {
 
 class HealingCloneToolWidget : public ImageRegionWidget
 {
     Q_OBJECT
 
 public:
 
     enum HealingCloneState
     {
         SELECT_SOURCE,
         PAINT,
         LASSO_DRAW_BOUNDARY,
         LASSO_CLONE,
         MOVE_IMAGE,
         DO_NOTHING
     };
     Q_ENUM(HealingCloneState)
 
 public:
 
     /**
      * Standard constructor
      */
     explicit HealingCloneToolWidget(QWidget* const parent = nullptr);
     ~HealingCloneToolWidget()                                                       override;
 
     void setBrushValue(int value);
     void setIsLassoPointsVectorEmpty(bool);
     void setCloneVectorChanged(bool);
     void setDrawCursorPosition(const QPointF& topLeftPos);
     void setSourceCursorPosition(const QPointF& topLeftPos);
 
     void changeCursorShape(const QColor& color);
 
     bool checkPointOutsideScene(const QPoint& point)                          const;
     void updateSourceCursor(const QPointF& pos = QPoint(),
                             int diamter = 10);
 
     QPoint mapToImageCoordinates(const QPoint& point)                         const;
     QPoint mapFromImageCoordinates(const QPoint& point)                       const;
 
 public Q_SLOTS:
 
     /**
      * @brief slotSrcSet toggles the fixing of the brush source center
      */
     void slotSetSourcePoint();
     void slotMoveImage();
     void slotLassoSelect();
 
 Q_SIGNALS:
 
     /**
      * @brief signalClone emitted when the src is set and the user initiated a brush click
      * and keeps emitting with motion
      */
     void signalClone(const QPoint& currentSrc, const QPoint& currentDst);
     void signalLasso(const QPoint& dst);
     void signalResetLassoPoint();
     void signalContinuePolygon();
     void signalIncreaseBrushRadius();
     void signalDecreaseBrushRadius();
     void signalPushToUndoStack();
     void signalUndoClone();
     void signalRedoClone();
 
 private Q_SLOTS:
 
     void slotImageRegionChanged();
 
 protected:
 
     void mouseReleaseEvent(QMouseEvent*)                                            override;
     void mousePressEvent(QMouseEvent*)                                              override;
     void mouseMoveEvent(QMouseEvent*)                                               override;
     void mouseDoubleClickEvent(QMouseEvent*)                                        override;
     void keyPressEvent(QKeyEvent*)                                                  override;
     void keyReleaseEvent(QKeyEvent*)                                                override;
     void focusOutEvent(QFocusEvent*)                                                override;
     void focusInEvent(QFocusEvent*)                                                 override;
     bool event(QEvent*)                                                             override;
 
     void undoSlotSetSourcePoint();
     void activateState(HealingCloneState state);
 
 private:
 
     // Disable
     HealingCloneToolWidget(const HealingCloneToolWidget&)            = delete;
     HealingCloneToolWidget& operator=(const HealingCloneToolWidget&) = delete;
 
 private:
 
     class Private;
     Private* const d;
 };
 
 } // namespace DigikamEditorHealingCloneToolPlugin
 
 #endif // DIGIKAM_HEALING_CLONE_TOOL_WIDGET_H