vtkLabelRenderStrategy.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkLabelRenderStrategy.h
 
  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef vtkLabelRenderStrategy_h
#define vtkLabelRenderStrategy_h
 
#include "vtkObject.h"
#include "vtkRenderingLabelModule.h" // For export macro
 
#include "vtkStdString.h"     // For string support
#include "vtkUnicodeString.h" // For unicode string support
 
class vtkRenderer;
class vtkWindow;
class vtkTextProperty;
 
class VTKRENDERINGLABEL_EXPORT vtkLabelRenderStrategy : public vtkObject
{
public:
  void PrintSelf(ostream& os, vtkIndent indent) override;
  vtkTypeMacro(vtkLabelRenderStrategy, vtkObject);
 
  virtual bool SupportsRotation() { return true; }
 
  virtual bool SupportsBoundedSize() { return true; }
 
 
  virtual void SetRenderer(vtkRenderer* ren);
  vtkGetObjectMacro(Renderer, vtkRenderer);
 
 
  virtual void SetDefaultTextProperty(vtkTextProperty* tprop);
  vtkGetObjectMacro(DefaultTextProperty, vtkTextProperty);
 
  virtual void ComputeLabelBounds(vtkTextProperty* tprop, vtkStdString label, double bds[4]);
  VTK_DEPRECATED_IN_9_1_0(
    "Use void ComputeLabelBounds(vtkTextProperty* tprop, vtkStdString label, double bds[4])")
  virtual void ComputeLabelBounds(
    vtkTextProperty* tprop, vtkUnicodeString label, double bds[4]) = 0;
 
  virtual void RenderLabel(int x[2], vtkTextProperty* tprop, vtkStdString label);
  virtual void RenderLabel(int x[2], vtkTextProperty* tprop, vtkStdString label, int maxWidth);
  VTK_DEPRECATED_IN_9_1_0(
    "Use void RenderLabel(int x[2], vtkTextProperty* tprop, vtkStdString label)")
  virtual void RenderLabel(int x[2], vtkTextProperty* tprop, vtkUnicodeString label) = 0;
  VTK_DEPRECATED_IN_9_1_0(
    "Use void RenderLabel(int x[2], vtkTextProperty* tprop, vtkStdString label, int maxWidth)")
  virtual void RenderLabel(int x[2], vtkTextProperty* tprop, vtkUnicodeString label, int maxWidth);
 
  virtual void StartFrame() {}
 
  virtual void EndFrame() {}
 
  virtual void ReleaseGraphicsResources(vtkWindow*) {}
 
protected:
  vtkLabelRenderStrategy();
  ~vtkLabelRenderStrategy() override;
 
  vtkRenderer* Renderer;
  vtkTextProperty* DefaultTextProperty;
 
private:
  vtkLabelRenderStrategy(const vtkLabelRenderStrategy&) = delete;
  void operator=(const vtkLabelRenderStrategy&) = delete;
};
 
#endif