VTK
vtkOpenGLRenderWindow.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkOpenGLRenderWindow.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
28 #ifndef vtkOpenGLRenderWindow_h
29 #define vtkOpenGLRenderWindow_h
30 
31 #include "vtkRenderingOpenGL2Module.h" // For export macro
32 #include "vtkRenderWindow.h"
33 #include <string> // for ivar
34 #include <map> // for ivar
35 #include <set> // for ivar
36 #include "vtkType.h" // for ivar
37 
38 class vtkIdList;
42 class vtkShaderProgram;
43 class vtkStdString;
44 class vtkTexture;
45 class vtkTextureObject;
48 
49 class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLRenderWindow : public vtkRenderWindow
50 {
51 public:
53  void PrintSelf(ostream& os, vtkIndent indent);
54 
58  virtual const char *GetRenderingBackend();
59 
61 
67 
71  virtual void StereoUpdate();
72 
74 
77  virtual unsigned char *GetPixelData(int x,int y,int x2,int y2,int front);
78  virtual int GetPixelData(int x,int y,int x2,int y2, int front,
80  virtual int SetPixelData(int x,int y,int x2,int y2,unsigned char *data,
81  int front);
82  virtual int SetPixelData(int x,int y,int x2,int y2,
83  vtkUnsignedCharArray *data, int front);
85 
87 
90  virtual float *GetRGBAPixelData(int x,int y,int x2,int y2,int front);
91  virtual int GetRGBAPixelData(int x,int y,int x2,int y2, int front,
93  virtual int SetRGBAPixelData(int x,int y,int x2,int y2, float *data,
94  int front, int blend=0);
95  virtual int SetRGBAPixelData(int x,int y,int x2,int y2, vtkFloatArray *data,
96  int front, int blend=0);
97  virtual void ReleaseRGBAPixelData(float *data);
98  virtual unsigned char *GetRGBACharPixelData(int x,int y,int x2,int y2,
99  int front);
100  virtual int GetRGBACharPixelData(int x,int y,int x2,int y2, int front,
102  virtual int SetRGBACharPixelData(int x, int y, int x2, int y2,
103  unsigned char *data, int front,
104  int blend=0);
105  virtual int SetRGBACharPixelData(int x,int y,int x2,int y2,
106  vtkUnsignedCharArray *data, int front,
107  int blend=0);
109 
111 
114  virtual float *GetZbufferData( int x1, int y1, int x2, int y2 );
115  virtual int GetZbufferData( int x1, int y1, int x2, int y2, float* z );
116  virtual int GetZbufferData( int x1, int y1, int x2, int y2,
117  vtkFloatArray* z );
118  virtual int SetZbufferData( int x1, int y1, int x2, int y2, float *buffer );
119  virtual int SetZbufferData( int x1, int y1, int x2, int y2,
120  vtkFloatArray *buffer );
122 
123 
128 
133 
138 
143 
148  int GetColorBufferSizes(int *rgba);
149 
151 
154  virtual void SetSize(int a[2]);
155  virtual void SetSize(int,int);
157 
161  virtual void OpenGLInit();
162 
163  // Initialize the state of OpenGL that VTK wants for this window
164  virtual void OpenGLInitState();
165 
166  // Initialize VTK for rendering in a new OpenGL context
167  virtual void OpenGLInitContext();
168 
170 
176 
182  void GetOpenGLVersion(int &major, int &minor);
183 
191  unsigned int GetBackLeftBuffer();
192 
200  unsigned int GetBackRightBuffer();
201 
209  unsigned int GetFrontLeftBuffer();
210 
218  unsigned int GetFrontRightBuffer();
219 
227  unsigned int GetBackBuffer();
228 
236  unsigned int GetFrontBuffer();
237 
242 
244 
247  vtkGetObjectMacro(ShaderCache,vtkOpenGLShaderCache);
249 
251 
254  vtkGetMacro(FrameBufferObject, unsigned int);
256 
262 
267  virtual void WaitForCompletion();
268 
272  virtual void DrawPixels(int x1, int y1, int x2, int y2,
273  int numComponents, int dataType, void *data);
274 
279  virtual void DrawPixels(
280  int dstXmin, int dstYmin, int dstXmax, int dstYmax,
281  int srcXmin, int srcYmin, int srcXmax, int srcYmax,
282  int srcWidth, int srcHeight, int numComponents, int dataType, void *data);
283 
288  virtual void DrawPixels(
289  int srcWidth, int srcHeight, int numComponents, int dataType, void *data);
290 
294  virtual float GetMaximumHardwareLineWidth() {
295  return this->MaximumHardwareLineWidth; };
296 
303  virtual bool IsPointSpriteBugPresent()
304  {
305  return 0;
306  }
307 
314  int vtktype, int numComponents,
315  bool needInteger, bool needFloat);
316 
323  {
324  return this->OpenGLSupportMessage;
325  }
326 
327  // Create and bind offscreen rendering buffers without destroying the current
328  // OpenGL context. This allows to temporary switch to offscreen rendering
329  // (ie. to make a screenshot even if the window is hidden).
330  // Return if the creation was successful (1) or not (0).
331  // Note: This function requires that the device supports OpenGL framebuffer extension.
332  // The function has no effect if OffScreenRendering is ON.
333  virtual int SetUseOffScreenBuffers(bool offScreen);
334  virtual bool GetUseOffScreenBuffers();
335 
339  virtual int SupportsOpenGL();
340 
347  virtual void Initialize(void) {};
348 
349  std::set<vtkGenericOpenGLResourceFreeCallback *> Resources;
350 
352  std::set<vtkGenericOpenGLResourceFreeCallback *>::iterator it
353  = this->Resources.find(cb);
354  if (it == this->Resources.end())
355  {
356  this->Resources.insert(cb);
357  }
358  }
359 
361  std::set<vtkGenericOpenGLResourceFreeCallback *>::iterator it
362  = this->Resources.find(cb);
363  if (it != this->Resources.end())
364  {
365  this->Resources.erase(it);
366  }
367  }
368 
378  virtual void PushContext() { this->MakeCurrent(); }
379  virtual void PopContext() {}
380 
381 protected:
384 
386 
387  // used in testing for opengl support
388  // in the SupportsOpenGL() method
392 
393  int TextureInternalFormats[VTK_UNICODE_STRING][3][5];
395 
396  std::map<const vtkTextureObject *, int> TextureResourceIds;
397 
398  virtual int GetPixelData(int x, int y, int x2, int y2, int front, unsigned char* data);
399  int GetRGBAPixelData(int x, int y, int x2, int y2, int front, float* data);
400  int GetRGBACharPixelData(int x, int y, int x2, int y2, int front,
401  unsigned char* data);
402 
413 
414  int CreateHardwareOffScreenBuffers(int width, int height, bool bind = false);
416 
423 
426 
430  int OffScreenUseFrameBuffer;
431 
433 
436  int NumberOfFrameBuffers;
437  unsigned int TextureObjects[4]; // really GLuint
438  unsigned int FrameBufferObject; // really GLuint
439  unsigned int DepthRenderBufferObject; // really GLuint
440  int HardwareBufferSize[2];
441  bool HardwareOffScreenBuffersBind;
443 
447  virtual void CreateAWindow() = 0;
448 
452  virtual void DestroyWindow() = 0;
453 
459 
463  void SetTextureUnitManager(vtkTextureUnitManager *textureUnitManager);
464 
465 
469  void SaveGLState();
470 
475 
476  std::map<std::string, int> GLStateIntegers;
477 
478  unsigned int BackLeftBuffer;
479  unsigned int BackRightBuffer;
480  unsigned int FrontLeftBuffer;
481  unsigned int FrontRightBuffer;
482  unsigned int FrontBuffer;
483  unsigned int BackBuffer;
484 
485  #ifndef VTK_LEGACY_REMOVE
486 
490  unsigned int LastGraphicError;
491  #endif
492 
496  int OwnContext;
497 
498  vtkTimeStamp ContextCreationTime;
499 
500  vtkTextureUnitManager *TextureUnitManager;
501 
503 
504  bool Initialized; // ensure glewinit has been called
505 
507 
508 private:
509  vtkOpenGLRenderWindow(const vtkOpenGLRenderWindow&) VTK_DELETE_FUNCTION;
510  void operator=(const vtkOpenGLRenderWindow&) VTK_DELETE_FUNCTION;
511 };
512 
513 #endif
vtkOpenGLRenderWindow::SetPixelData
virtual int SetPixelData(int x, int y, int x2, int y2, unsigned char *data, int front)
Set/Get the pixel data of an image, transmitted as RGBRGBRGB.
vtkOpenGLRenderWindow::GetContextCreationTime
virtual vtkMTimeType GetContextCreationTime()
Get the time when the OpenGL context was created.
vtkOpenGLRenderWindow::GetRenderingBackend
virtual const char * GetRenderingBackend()
What rendering backend has the user requested.
vtkOpenGLRenderWindow::OpenGLInit
virtual void OpenGLInit()
Initialize OpenGL for this window.
vtkOpenGLRenderWindow::DestroyHardwareOffScreenBuffers
void DestroyHardwareOffScreenBuffers()
vtkOpenGLRenderWindow::GetOpenGLVersion
void GetOpenGLVersion(int &major, int &minor)
Get the major and minor version numbers of the OpenGL context we are using ala 3.2,...
vtkOpenGLRenderWindow::PrintSelf
void PrintSelf(ostream &os, vtkIndent indent)
Methods invoked by print to print information about the object including superclasses.
vtkOpenGLRenderWindow::GetMaximumHardwareLineWidth
virtual float GetMaximumHardwareLineWidth()
Return the largest line width supported by the hardware.
Definition: vtkOpenGLRenderWindow.h:294
vtkOpenGLRenderWindow::RegisterGraphicsResources
void RegisterGraphicsResources(vtkGenericOpenGLResourceFreeCallback *cb)
Definition: vtkOpenGLRenderWindow.h:351
vtkOpenGLRenderWindow::SetZbufferData
virtual int SetZbufferData(int x1, int y1, int x2, int y2, float *buffer)
vtkOpenGLRenderWindow::ActivateTexture
void ActivateTexture(vtkTextureObject *)
Activate a texture unit for this texture.
vtkOpenGLRenderWindow::DrawPixels
virtual void DrawPixels(int x1, int y1, int x2, int y2, int numComponents, int dataType, void *data)
Replacement for the old glDrawPixels function.
vtkOpenGLRenderWindow::GetZbufferData
virtual int GetZbufferData(int x1, int y1, int x2, int y2, float *z)
vtkOpenGLRenderWindow::DestroyHardwareOffScreenWindow
void DestroyHardwareOffScreenWindow()
Destroy an offscreen window based on OpenGL framebuffer extension.
vtkOpenGLRenderWindow::MaximumHardwareLineWidth
float MaximumHardwareLineWidth
Definition: vtkOpenGLRenderWindow.h:506
vtkOpenGLRenderWindow::DrawPixels
virtual void DrawPixels(int srcWidth, int srcHeight, int numComponents, int dataType, void *data)
Replacement for the old glDrawPixels function.
vtkOpenGLRenderWindow::SetPixelData
virtual int SetPixelData(int x, int y, int x2, int y2, vtkUnsignedCharArray *data, int front)
vtkFloatArray
dynamic, self-adjusting array of float
Definition: vtkFloatArray.h:42
vtkX3D::data
@ data
Definition: vtkX3D.h:315
vtkOpenGLRenderWindow::SetRGBAPixelData
virtual int SetRGBAPixelData(int x, int y, int x2, int y2, float *data, int front, int blend=0)
vtkOpenGLRenderWindow::TextureResourceIds
std::map< const vtkTextureObject *, int > TextureResourceIds
Definition: vtkOpenGLRenderWindow.h:396
vtkOpenGLRenderWindow::SetUseOffScreenBuffers
virtual int SetUseOffScreenBuffers(bool offScreen)
Create and bind offscreen rendering buffers without destroying the current OpenGL context.
vtkOpenGLRenderWindow::GetOpenGLSupportMessage
std::string GetOpenGLSupportMessage()
Return a message profiding additional details about the results of calling SupportsOpenGL() This can ...
Definition: vtkOpenGLRenderWindow.h:322
VTK_UNICODE_STRING
#define VTK_UNICODE_STRING
Definition: vtkType.h:81
vtkTimeStamp
record modification and/or execution time
Definition: vtkTimeStamp.h:36
vtkOpenGLRenderWindow::SetTextureUnitManager
void SetTextureUnitManager(vtkTextureUnitManager *textureUnitManager)
Set the texture unit manager.
vtkUnsignedCharArray
dynamic, self-adjusting array of unsigned char
Definition: vtkUnsignedCharArray.h:42
vtkOpenGLRenderWindow::SupportsOpenGL
virtual int SupportsOpenGL()
Does this render window support OpenGL? 0-false, 1-true.
vtkOpenGLRenderWindow::BindHardwareOffScreenBuffers
void BindHardwareOffScreenBuffers()
vtkRenderWindow.h
vtkOpenGLRenderWindow::CreateHardwareOffScreenWindow
int CreateHardwareOffScreenWindow(int width, int height)
Create an offScreen window based on OpenGL framebuffer extension.
vtkOpenGLRenderWindow::Resources
std::set< vtkGenericOpenGLResourceFreeCallback * > Resources
Definition: vtkOpenGLRenderWindow.h:347
vtkOpenGLRenderWindow::UnregisterGraphicsResources
void UnregisterGraphicsResources(vtkGenericOpenGLResourceFreeCallback *cb)
Definition: vtkOpenGLRenderWindow.h:360
vtkOpenGLRenderWindow::DrawPixelsTextureObject
vtkTextureObject * DrawPixelsTextureObject
Definition: vtkOpenGLRenderWindow.h:502
vtkOpenGLRenderWindow::GetBackLeftBuffer
unsigned int GetBackLeftBuffer()
Return the OpenGL name of the back left buffer.
vtkOpenGLRenderWindow::SetRGBACharPixelData
virtual int SetRGBACharPixelData(int x, int y, int x2, int y2, unsigned char *data, int front, int blend=0)
vtkOpenGLRenderWindow::OpenGLSupportMessage
std::string OpenGLSupportMessage
Definition: vtkOpenGLRenderWindow.h:391
vtkOpenGLRenderWindow::GetBackRightBuffer
unsigned int GetBackRightBuffer()
Return the OpenGL name of the back right buffer.
vtkOpenGLRenderWindow::DrawPixels
virtual void DrawPixels(int dstXmin, int dstYmin, int dstXmax, int dstYmax, int srcXmin, int srcYmin, int srcXmax, int srcYmax, int srcWidth, int srcHeight, int numComponents, int dataType, void *data)
Replacement for the old glDrawPixels function, but it allows for scaling the data and using only part...
vtkOpenGLRenderWindow::~vtkOpenGLRenderWindow
~vtkOpenGLRenderWindow()
vtkOpenGLRenderWindow::GetZbufferData
virtual int GetZbufferData(int x1, int y1, int x2, int y2, vtkFloatArray *z)
vtkOpenGLRenderWindow::SetRGBACharPixelData
virtual int SetRGBACharPixelData(int x, int y, int x2, int y2, vtkUnsignedCharArray *data, int front, int blend=0)
vtkOpenGLRenderWindow::PopContext
virtual void PopContext()
Definition: vtkOpenGLRenderWindow.h:379
vtkOpenGLRenderWindow::SetContextSupportsOpenGL32
void SetContextSupportsOpenGL32(bool val)
vtkOpenGLRenderWindow::GetRGBACharPixelData
virtual unsigned char * GetRGBACharPixelData(int x, int y, int x2, int y2, int front)
vtkMTimeType
vtkTypeUInt64 vtkMTimeType
Definition: vtkType.h:248
vtkType.h
vtkOpenGLRenderWindow::SaveGLState
void SaveGLState()
Query and save OpenGL state.
vtkOpenGLRenderWindow::GetZbufferData
virtual float * GetZbufferData(int x1, int y1, int x2, int y2)
Set/Get the zbuffer data from an image.
vtkOpenGLRenderWindow::GetRGBAPixelData
int GetRGBAPixelData(int x, int y, int x2, int y2, int front, float *data)
vtkTexture
handles properties associated with a texture map
Definition: vtkTexture.h:71
vtkOpenGLRenderWindow::OpenGLSupportResult
int OpenGLSupportResult
Definition: vtkOpenGLRenderWindow.h:390
vtkTextureUnitManager
allocate/free texture units.
Definition: vtkTextureUnitManager.h:39
vtkOpenGLRenderWindow::ShaderCache
vtkOpenGLShaderCache * ShaderCache
Definition: vtkOpenGLRenderWindow.h:385
vtkOpenGLRenderWindow::WaitForCompletion
virtual void WaitForCompletion()
Block the thread until the actual rendering is finished().
vtkOpenGLRenderWindow::GetPixelData
virtual int GetPixelData(int x, int y, int x2, int y2, int front, vtkUnsignedCharArray *data)
vtkOpenGLRenderWindow::DeactivateTexture
void DeactivateTexture(vtkTextureObject *)
Deactive a previously activated texture.
vtkX3D::height
@ height
Definition: vtkX3D.h:254
vtkOpenGLRenderWindow::GetTextureUnitForTexture
int GetTextureUnitForTexture(vtkTextureObject *)
Get the texture unit for a given texture object.
vtkOpenGLHardwareSupport
OpenGL rendering window.
Definition: vtkOpenGLHardwareSupport.h:39
vtkOpenGLRenderWindow::GetPixelData
virtual unsigned char * GetPixelData(int x, int y, int x2, int y2, int front)
Set/Get the pixel data of an image, transmitted as RGBRGB...
vtkOpenGLRenderWindow::OpenGLInitState
virtual void OpenGLInitState()
vtkShaderProgram
The ShaderProgram uses one or more Shader objects.
Definition: vtkShaderProgram.h:45
vtkGenericOpenGLResourceFreeCallback
Definition: vtkOpenGLResourceFreeCallback.h:26
vtkOpenGLRenderWindow::OpenGLInitContext
virtual void OpenGLInitContext()
vtkIndent
a simple class to control print indentation
Definition: vtkIndent.h:40
vtkTextureObject
abstracts an OpenGL texture object.
Definition: vtkTextureObject.h:41
vtkOpenGLRenderWindow::GetContextSupportsOpenGL32
static bool GetContextSupportsOpenGL32()
Get if the context includes opengl core profile 3.2 support.
vtkOpenGLRenderWindow::StereoUpdate
virtual void StereoUpdate()
Update system if needed due to stereo rendering.
vtkOpenGLRenderWindow::GetFrontBuffer
unsigned int GetFrontBuffer()
Return the OpenGL name of the front left buffer.
vtkIdList
list of point or cell ids
Definition: vtkIdList.h:37
vtkOpenGLRenderWindow::GetDefaultTextureInternalFormat
int GetDefaultTextureInternalFormat(int vtktype, int numComponents, bool needInteger, bool needFloat)
Get a mapping of vtk data types to native texture formats for this window we put this on the RenderWi...
vtkOpenGLRenderWindow::SetZbufferData
virtual int SetZbufferData(int x1, int y1, int x2, int y2, vtkFloatArray *buffer)
vtkOpenGLShaderCache
manage Shader Programs within a context
Definition: vtkOpenGLShaderCache.h:35
vtkOpenGLRenderWindow::GetBackBuffer
unsigned int GetBackBuffer()
Return the OpenGL name of the back left buffer.
vtkOpenGLRenderWindow::GetTextureUnitManager
vtkTextureUnitManager * GetTextureUnitManager()
Returns its texture unit manager object.
vtkOpenGLRenderWindow::IsPointSpriteBugPresent
virtual bool IsPointSpriteBugPresent()
Returns true if driver has an EGL/OpenGL bug that makes vtkChartsCoreCxx-TestChartDoubleColors and ot...
Definition: vtkOpenGLRenderWindow.h:303
vtkOpenGLRenderWindow::RestoreGLState
void RestoreGLState()
Restore OpenGL state at end of the rendering.
vtkOpenGLRenderWindow::Initialized
bool Initialized
Definition: vtkOpenGLRenderWindow.h:504
vtkOpenGLRenderWindow::GetFrontLeftBuffer
unsigned int GetFrontLeftBuffer()
Return the OpenGL name of the front left buffer.
vtkX3D::string
@ string
Definition: vtkX3D.h:490
vtkOpenGLRenderWindow::CreateHardwareOffScreenBuffers
int CreateHardwareOffScreenBuffers(int width, int height, bool bind=false)
vtkOpenGLRenderWindow::OpenGLSupportTested
bool OpenGLSupportTested
Definition: vtkOpenGLRenderWindow.h:389
vtkOpenGLRenderWindow::GetFrontRightBuffer
unsigned int GetFrontRightBuffer()
Return the OpenGL name of the front right buffer.
vtkOpenGLRenderWindow::GetRGBAPixelData
virtual float * GetRGBAPixelData(int x, int y, int x2, int y2, int front)
Set/Get the pixel data of an image, transmitted as RGBARGBA...
vtkOpenGLRenderWindow::GetUseOffScreenBuffers
virtual bool GetUseOffScreenBuffers()
vtkRenderWindow::MakeCurrent
virtual void MakeCurrent()=0
Attempt to make this window the current graphics context for the calling thread.
vtkOpenGLRenderWindow::GetPixelData
virtual int GetPixelData(int x, int y, int x2, int y2, int front, unsigned char *data)
vtkOpenGLRenderWindow::vtkOpenGLRenderWindow
vtkOpenGLRenderWindow()
vtkOpenGLRenderWindow::ReleaseGraphicsResources
virtual void ReleaseGraphicsResources(vtkRenderWindow *)
Free up any graphics resources associated with this window a value of NULL means the context may alre...
vtkOpenGLRenderWindow::DestroyWindow
virtual void DestroyWindow()=0
Destroy a not-off-screen window.
vtkOpenGLRenderWindow::InitializeTextureInternalFormats
void InitializeTextureInternalFormats()
vtkOpenGLRenderWindow::GetGlobalMaximumNumberOfMultiSamples
static int GetGlobalMaximumNumberOfMultiSamples()
vtkOpenGLRenderWindow::GLStateIntegers
std::map< std::string, int > GLStateIntegers
Definition: vtkOpenGLRenderWindow.h:476
vtkOpenGLRenderWindow::GetColorBufferSizes
int GetColorBufferSizes(int *rgba)
Get the size of the color buffer.
vtkOpenGLRenderWindow::SetSize
virtual void SetSize(int, int)
vtkOpenGLRenderWindow
OpenGL rendering window.
Definition: vtkOpenGLRenderWindow.h:39
vtkOpenGLRenderWindow::ReleaseRGBAPixelData
virtual void ReleaseRGBAPixelData(float *data)
vtkOpenGLRenderWindow::GetDepthBufferSize
int GetDepthBufferSize()
Get the size of the depth buffer.
vtkRenderWindow
create a window for renderers to draw into
Definition: vtkRenderWindow.h:87
vtkStdString
Wrapper around std::string to keep symbols short.
Definition: vtkStdString.h:49
vtkOpenGLRenderWindow::GetRGBAPixelData
virtual int GetRGBAPixelData(int x, int y, int x2, int y2, int front, vtkFloatArray *data)
vtkOpenGLRenderWindow::UnbindHardwareOffScreenBuffers
void UnbindHardwareOffScreenBuffers()
vtkOpenGLRenderWindow::SetGlobalMaximumNumberOfMultiSamples
static void SetGlobalMaximumNumberOfMultiSamples(int val)
Set/Get the maximum number of multisamples.
vtkOpenGLRenderWindow::PushContext
virtual void PushContext()
Ability to push and pop this window's context as the current context.
Definition: vtkOpenGLRenderWindow.h:378
vtkOpenGLRenderWindow::SetRGBAPixelData
virtual int SetRGBAPixelData(int x, int y, int x2, int y2, vtkFloatArray *data, int front, int blend=0)
vtkOpenGLVertexArrayObject
The VertexArrayObject class uses, or emulates, vertex array objects.
Definition: vtkOpenGLVertexArrayObject.h:36
vtkOpenGLRenderWindow::GetRGBACharPixelData
virtual int GetRGBACharPixelData(int x, int y, int x2, int y2, int front, vtkUnsignedCharArray *data)
vtkOpenGLRenderWindow::Initialize
virtual void Initialize(void)
Initialize the rendering window.
Definition: vtkOpenGLRenderWindow.h:347
vtkOpenGLRenderWindow::CreateAWindow
virtual void CreateAWindow()=0
Create a not-off-screen window.
vtkOpenGLRenderWindow::LastGraphicError
unsigned int LastGraphicError
Definition: vtkOpenGLRenderWindow.h:490
vtkOpenGLRenderWindow::GetRGBACharPixelData
int GetRGBACharPixelData(int x, int y, int x2, int y2, int front, unsigned char *data)
vtkOpenGLRenderWindow::SetSize
virtual void SetSize(int a[2])
Set the size of the window in screen coordinates in pixels.