vtkWindow.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkWindow.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 vtkWindow_h
#define vtkWindow_h

#include "vtkCommonCoreModule.h" // For export macro
#include "vtkObject.h"

class vtkUnsignedCharArray;

class VTKCOMMONCORE_EXPORT vtkWindow : public vtkObject
{
public:
  vtkTypeMacro(vtkWindow, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  virtual void SetDisplayId(void*) {}
  virtual void SetWindowId(void*) {}
  virtual void SetParentId(void*) {}
  virtual void* GetGenericDisplayId() { return nullptr; }
  virtual void* GetGenericWindowId() { return nullptr; }
  virtual void* GetGenericParentId() { return nullptr; }
  virtual void* GetGenericContext() { return nullptr; }
  virtual void* GetGenericDrawable() { return nullptr; }
  virtual void SetWindowInfo(const char*) {}
  virtual void SetParentInfo(const char*) {}


  virtual int* GetPosition() VTK_SIZEHINT(2);

  virtual void SetPosition(int x, int y);
  virtual void SetPosition(int a[2]);


  virtual int* GetSize() VTK_SIZEHINT(2);

  virtual void SetSize(int width, int height);
  virtual void SetSize(int a[2]);

  int* GetActualSize() VTK_SIZEHINT(2);

  virtual int* GetScreenSize() VTK_SIZEHINT(2) { return nullptr; }


  vtkGetMacro(Mapped, vtkTypeBool);


  vtkGetMacro(ShowWindow, bool);
  vtkSetMacro(ShowWindow, bool);
  vtkBooleanMacro(ShowWindow, bool);


  vtkSetMacro(UseOffScreenBuffers, bool);
  vtkGetMacro(UseOffScreenBuffers, bool);
  vtkBooleanMacro(UseOffScreenBuffers, bool);


  vtkSetMacro(Erase, vtkTypeBool);
  vtkGetMacro(Erase, vtkTypeBool);
  vtkBooleanMacro(Erase, vtkTypeBool);


  vtkSetMacro(DoubleBuffer, vtkTypeBool);
  vtkGetMacro(DoubleBuffer, vtkTypeBool);
  vtkBooleanMacro(DoubleBuffer, vtkTypeBool);


  vtkGetStringMacro(WindowName);
  vtkSetStringMacro(WindowName);

  virtual void Render() {}

  virtual void ReleaseGraphicsResources(vtkWindow*) {}


  virtual unsigned char* GetPixelData(
    int /*x*/, int /*y*/, int /*x2*/, int /*y2*/, int /*front*/, int /*right*/ = 0)
  {
    return nullptr;
  }
  virtual int GetPixelData(int /*x*/, int /*y*/, int /*x2*/, int /*y2*/, int /*front*/,
    vtkUnsignedCharArray* /*data*/, int /*right*/ = 0)
  {
    return 0;
  }


  vtkGetMacro(DPI, int);
  vtkSetClampMacro(DPI, int, 1, VTK_INT_MAX);

  virtual bool DetectDPI() { return false; }


  void SetOffScreenRendering(vtkTypeBool val)
  {
    this->SetShowWindow(val == 0);
    this->SetUseOffScreenBuffers(val != 0);
  }
  vtkBooleanMacro(OffScreenRendering, vtkTypeBool);

  vtkTypeBool GetOffScreenRendering() { return this->GetShowWindow() ? 0 : 1; }

  virtual void MakeCurrent() {}


  vtkSetVector2Macro(TileScale, int);
  vtkGetVector2Macro(TileScale, int);
  void SetTileScale(int s) { this->SetTileScale(s, s); }
  vtkSetVector4Macro(TileViewport, double);
  vtkGetVector4Macro(TileViewport, double);

protected:
  vtkWindow();
  ~vtkWindow() override;

  char* WindowName;
  int Size[2];
  int Position[2];
  vtkTypeBool Mapped;
  bool ShowWindow;
  bool UseOffScreenBuffers;
  vtkTypeBool Erase;
  vtkTypeBool DoubleBuffer;
  int DPI;

  double TileViewport[4];
  int TileSize[2];
  int TileScale[2];

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

#endif