#pragma once

#ifndef RASTERSELECTIONTOOL_INCLUDED

#define RASTERSELECTIONTOOL_INCLUDED

#include "selectiontool.h"

#include "setsaveboxtool.h"

#include "tools/rasterselection.h"

// forward declaration

class RasterSelectionTool;

class VectorFreeDeformer;

//=============================================================================

// RasterFreeDeformer

//-----------------------------------------------------------------------------

class RasterFreeDeformer final : public FreeDeformer {

  TRasterP m_ras;

  TRasterP m_newRas;

  bool m_noAntialiasing;

public:

  RasterFreeDeformer(TRasterP ras);

  ~RasterFreeDeformer();

  /*! Set \b index point to \b p, with index from 0 to 3. */

  void setPoint(int index, const TPointD &p) override;

  /*! Helper function. */

  void setPoints(const TPointD &p0, const TPointD &p1, const TPointD &p2,

                 const TPointD &p3) override;

  TRasterP getImage() const { return m_newRas; }

  void deformImage() override;

  void setNoAntialiasing(bool value) { m_noAntialiasing = value; }

};

//=============================================================================

// DragSelectionTool

//-----------------------------------------------------------------------------

namespace DragSelectionTool {

//=============================================================================

// UndoRasterDeform

//-----------------------------------------------------------------------------

class UndoRasterDeform final : public TUndo {

  static int m_id;

  RasterSelectionTool *m_tool;

  std::string m_oldFloatingImageId, m_newFloatingImageId;

  std::vector<tstroke> m_newStrokes;</tstroke>

  std::vector<tstroke> m_oldStrokes;</tstroke>

  DragSelectionTool::DeformValues m_oldDeformValues, m_newDeformValues;

  FourPoints m_oldBBox, m_newBBox;

  TPointD m_oldCenter, m_newCenter;

  TDimension m_dim;

  int m_pixelSize;

public:

  UndoRasterDeform(RasterSelectionTool *tool);

  ~UndoRasterDeform();

  void registerRasterDeformation();

  void undo() const override;

  void redo() const override;

  int getSize() const override;

  QString getHistoryString() override { return QObject::tr("Deform Raster"); }

};

//=============================================================================

// UndoRasterTransform

//-----------------------------------------------------------------------------

class UndoRasterTransform final : public TUndo {

  RasterSelectionTool *m_tool;

  TAffine m_oldTransform, m_newTransform;

  TPointD m_oldCenter, m_newCenter;

  FourPoints m_oldBbox, m_newBbox;

  DragSelectionTool::DeformValues m_oldDeformValues, m_newDeformValues;

public:

  UndoRasterTransform(RasterSelectionTool *tool);

  void setChangedValues();

  void undo() const override;

  void redo() const override;

  int getSize() const override { return sizeof(*this); }

  QString getHistoryString() override {

    return QObject::tr("Transform Raster");

  }

};

//=============================================================================

// RasterDeformTool

//-----------------------------------------------------------------------------

class RasterDeformTool : public DeformTool {

protected:

  TAffine m_transform;

  UndoRasterTransform *m_transformUndo;

  UndoRasterDeform *m_deformUndo;

  //! It's true when use RasterFreeDeformer

  bool m_isFreeDeformer;

  void applyTransform(FourPoints bbox, bool onFastDragging = false) override;

  void applyTransform(TAffine aff, bool modifyCenter);

  void addTransformUndo() override;

  void leftButtonDrag(const TPointD &pos, const TMouseEvent &e) override{};

  void draw() override{};

public:

  RasterDeformTool(RasterSelectionTool *tool, bool freeDeformer);

};

//=============================================================================

// RasterRotationTool

//-----------------------------------------------------------------------------

class RasterRotationTool final : public RasterDeformTool {

  Rotation *m_rotation;

public:

  RasterRotationTool(RasterSelectionTool *tool);

  void transform(TAffine aff, double angle) override;

  void leftButtonDrag(const TPointD &pos, const TMouseEvent &e) override;

  void draw() override;

};

//=============================================================================

// RasterFreeDeformTool

//-----------------------------------------------------------------------------

class RasterFreeDeformTool final : public RasterDeformTool {

  FreeDeform *m_freeDeform;

public:

  RasterFreeDeformTool(RasterSelectionTool *tool);

  void leftButtonDrag(const TPointD &pos, const TMouseEvent &e) override;

  void leftButtonUp(const TPointD &pos, const TMouseEvent &e) override;

};

//=============================================================================

// RasterMoveSelectionTool

//-----------------------------------------------------------------------------

class RasterMoveSelectionTool final : public RasterDeformTool {

  MoveSelection *m_moveSelection;

public:

  RasterMoveSelectionTool(RasterSelectionTool *tool);

  void transform(TAffine aff) override;

  void leftButtonDown(const TPointD &pos, const TMouseEvent &e) override;

  void leftButtonDrag(const TPointD &pos, const TMouseEvent &e) override;

};

//=============================================================================

// RasterScaleTool

//-----------------------------------------------------------------------------

class RasterScaleTool final : public RasterDeformTool {

  Scale *m_scale;

public:

  RasterScaleTool(RasterSelectionTool *tool, ScaleType type);

  /*! Return scale value. */

  TPointD transform(int index, TPointD newPos,

                    bool onFastDragging = false) override;

  void leftButtonDown(const TPointD &pos, const TMouseEvent &e) override;

  void leftButtonDrag(const TPointD &pos, const TMouseEvent &e) override;

  void leftButtonUp(const TPointD &pos, const TMouseEvent &e) override;

};

}  // namespace DragSelectionTool

//=============================================================================

// RasterSelectionTool

//-----------------------------------------------------------------------------

class RasterSelectionTool final : public SelectionTool {

  Q_DECLARE_TR_FUNCTIONS(RasterSelectionTool)

  RasterSelection m_rasterSelection;

  int m_transformationCount;

  //! Used in ToonzRasterImage to switch from selection tool to modify savebox

  //! tool.

  TBoolProperty m_modifySavebox;

  SetSaveboxTool *m_setSaveboxTool;

  TBoolProperty m_noAntialiasing;

  //! Used to deform bbox strokes.

  VectorFreeDeformer *m_selectionFreeDeformer;

  void modifySelectionOnClick(TImageP image, const TPointD &pos,

                              const TMouseEvent &e) override;

  void drawFloatingSelection();

public:

  RasterSelectionTool(int targetType);

  void setBBox(const DragSelectionTool::FourPoints &points,

               int index = 0) override;

  void setNewFreeDeformer() override;

  VectorFreeDeformer *getSelectionFreeDeformer() const;

  bool isFloating() const override;

  void leftButtonDown(const TPointD &pos, const TMouseEvent &) override;

  void mouseMove(const TPointD &pos, const TMouseEvent &e) override;

  void leftButtonDrag(const TPointD &pos, const TMouseEvent &) override;

  void leftButtonUp(const TPointD &pos, const TMouseEvent &) override;

  void leftButtonDoubleClick(const TPointD &, const TMouseEvent &e) override;

  void draw() override;

  TSelection *getSelection() override;

  bool isSelectionEmpty() override;

  void computeBBox() override;

  void doOnActivate() override;

  void doOnDeactivate() override;

  void onImageChanged() override;

  void transformFloatingSelection(const TAffine &affine, const TPointD ¢er,

                                  const DragSelectionTool::FourPoints &points);

  void increaseTransformationCount();

  void decreaseTransformationCount();

  void onActivate() override;

  TBoolProperty *getModifySaveboxProperty() {

    if (m_targetType & ToonzImage) return &m_modifySavebox;

    return 0;

  }

  bool onPropertyChanged(std::string propertyName) override;

  bool getNoAntialiasingValue() { return m_noAntialiasing.getValue(); }

  bool isSelectionEditable() override { return m_rasterSelection.isEditable(); }

protected:

  void updateTranslation() override;

};

#endif  // RASTERSELECTIONTOOL_INCLUDED