vtkLabeledTreeMapDataMapper.h

Go to the documentation of this file.

// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-FileCopyrightText: Copyright 2008 Sandia Corporation
// SPDX-License-Identifier: LicenseRef-BSD-3-Clause-Sandia-USGov
#ifndef vtkLabeledTreeMapDataMapper_h
#define vtkLabeledTreeMapDataMapper_h

#include "vtkLabeledDataMapper.h"
#include "vtkRenderingLabelModule.h" // For export macro
#include "vtkWrappingHints.h"        // For VTK_MARSHALAUTO

VTK_ABI_NAMESPACE_BEGIN
class vtkTree;
class vtkPoints;
class vtkCoordinate;
class vtkFloatArray;
class vtkStringArray;
class vtkIdList;

class VTKRENDERINGLABEL_EXPORT VTK_MARSHALAUTO vtkLabeledTreeMapDataMapper
  : public vtkLabeledDataMapper
{
public:
  static vtkLabeledTreeMapDataMapper* New();
  vtkTypeMacro(vtkLabeledTreeMapDataMapper, vtkLabeledDataMapper);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  void RenderOpaqueGeometry(vtkViewport* viewport, vtkActor2D* actor) override;
  void RenderOverlay(vtkViewport* viewport, vtkActor2D* actor) override;

  virtual vtkTree* GetInputTree();

  virtual void SetRectanglesArrayName(const char* name);


  vtkGetMacro(ClipTextMode, int);
  vtkSetMacro(ClipTextMode, int);


  vtkGetMacro(ChildMotion, int);
  vtkSetMacro(ChildMotion, int);


  vtkGetMacro(DynamicLevel, int);
  vtkSetMacro(DynamicLevel, int);


  void SetFontSizeRange(int maxSize, int minSize, int delta = 4);
  void GetFontSizeRange(int range[3]);


  void SetLevelRange(int startLevel, int endLevel);
  void GetLevelRange(int range[2]);

protected:
  vtkLabeledTreeMapDataMapper();
  ~vtkLabeledTreeMapDataMapper() override;
  void LabelTree(vtkTree* tree, vtkFloatArray* boxInfo, vtkDataArray* numericData,
    vtkStringArray* stringData, int activeComp, int numComps);
  void GetVertexLabel(vtkIdType vertex, vtkDataArray* numericData, vtkStringArray* stringData,
    int activeComp, int numComps, char* string, size_t stringSize);
  void UpdateFontSizes();
  int UpdateWindowInfo(vtkViewport* viewport);
  int GetStringSize(char* string, int level);
  // Returns 1 if the transformed box is off screen
  int ConvertToDC(float* origBoxInfo, float* newBoxInfo);
  // Returns 1 if the label will not fit in box - 2 if the text could
  // not be placed due to other labels
  int AnalyseLabel(
    char* string, int level, float* blimitsDC, float* textPosWC, vtkTextProperty** tprop);
  int ApplyMasks(int level, float flimits[4], float blimits[4]);
  vtkViewport* CurrentViewPort;
  int* FontHeights;
  int** FontWidths;
  int MaxFontLevel;
  int* ChildrenCount;
  int MaxTreeLevels;
  double BoxTrans[2][2];
  double WindowLimits[2][2];

  float (*LabelMasks)[4];

  vtkIdList* VertexList;
  vtkPoints* TextPoints;
  vtkCoordinate* VCoord;
  int ClipTextMode;
  int ChildMotion;
  int StartLevel;
  int EndLevel;
  int DynamicLevel;
  vtkTextProperty* VerticalLabelProperty;
  vtkTextProperty** HLabelProperties;

private:
  vtkLabeledTreeMapDataMapper(const vtkLabeledTreeMapDataMapper&) = delete;
  void operator=(const vtkLabeledTreeMapDataMapper&) = delete;
};

VTK_ABI_NAMESPACE_END
#endif