VTK  9.0.3
vtkWindowToImageFilter.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkWindowToImageFilter.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 =========================================================================*/
58 #ifndef vtkWindowToImageFilter_h
59 #define vtkWindowToImageFilter_h
60 
61 #include "vtkAlgorithm.h"
62 #include "vtkImageData.h" // makes things a bit easier
63 #include "vtkRenderingCoreModule.h" // For export macro
64 
65 // VTK_RGB and VTK_RGBA are defined in system includes
66 #define VTK_ZBUFFER 5
67 
68 class vtkWindow;
69 
70 class vtkWTI2DHelperClass;
71 class VTKRENDERINGCORE_EXPORT vtkWindowToImageFilter : public vtkAlgorithm
72 {
73 public:
75 
77  void PrintSelf(ostream& os, vtkIndent indent) override;
78 
82  void SetInput(vtkWindow* input);
83 
85 
89  vtkGetObjectMacro(Input, vtkWindow);
91 
93 
96  vtkSetVector2Macro(Scale, int);
97  vtkGetVector2Macro(Scale, int);
99 
104  void SetScale(int scale) { this->SetScale(scale, scale); }
105 
107 
112  vtkSetMacro(FixBoundary, bool);
113  vtkGetMacro(FixBoundary, bool);
114  vtkBooleanMacro(FixBoundary, bool);
116 
118 
122  vtkBooleanMacro(ReadFrontBuffer, vtkTypeBool);
123  vtkGetMacro(ReadFrontBuffer, vtkTypeBool);
124  vtkSetMacro(ReadFrontBuffer, vtkTypeBool);
126 
128 
132  vtkBooleanMacro(ShouldRerender, vtkTypeBool);
133  vtkSetMacro(ShouldRerender, vtkTypeBool);
134  vtkGetMacro(ShouldRerender, vtkTypeBool);
136 
138 
142  void SetViewport(double, double, double, double);
143  void SetViewport(double*);
144  vtkGetVectorMacro(Viewport, double, 4);
146 
148 
154  vtkSetMacro(InputBufferType, int);
155  vtkGetMacro(InputBufferType, int);
156  void SetInputBufferTypeToRGB() { this->SetInputBufferType(VTK_RGB); }
157  void SetInputBufferTypeToRGBA() { this->SetInputBufferType(VTK_RGBA); }
158  void SetInputBufferTypeToZBuffer() { this->SetInputBufferType(VTK_ZBUFFER); }
160 
165 
171 
172 protected:
175 
176  // vtkWindow is not a vtkDataObject, so we need our own ivar.
178  int Scale[2];
181  double Viewport[4];
184 
186 
188 
189  // see algorithm for more info
191 
199  virtual void Render();
200 
201  // The following was extracted from vtkRenderLargeImage, and patch to handle viewports
203  void Shift2DActors(int x, int y);
205  vtkWTI2DHelperClass* StoredData;
206 
207 private:
209  void operator=(const vtkWindowToImageFilter&) = delete;
210 };
211 
212 #endif
Superclass for all sources, filters, and sinks in VTK.
Definition: vtkAlgorithm.h:63
topologically and geometrically regular array of data
Definition: vtkImageData.h:42
a simple class to control print indentation
Definition: vtkIndent.h:34
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
Use a vtkWindow as input to image pipeline.
void SetViewport(double *)
vtkTypeBool ProcessRequest(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
see vtkAlgorithm for details
void SetInput(vtkWindow *input)
Indicates what renderer to get the pixel data from.
virtual void Render()
Allows subclasses to customize how a request for render is handled.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void SetViewport(double, double, double, double)
Set/get the extents to be used to generate the image.
static vtkWindowToImageFilter * New()
int FillOutputPortInformation(int port, vtkInformation *info) override
Fill the output port information objects for this algorithm.
vtkWTI2DHelperClass * StoredData
void Shift2DActors(int x, int y)
void RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *)
virtual void RequestInformation(vtkInformation *, vtkInformationVector **, vtkInformationVector *)
void SetScale(int scale)
Convenience method to set same scale factors for x and y.
~vtkWindowToImageFilter() override
vtkImageData * GetOutput()
Get the output data object for a port on this algorithm.
window superclass for vtkRenderWindow
Definition: vtkWindow.h:38
@ info
Definition: vtkX3D.h:382
@ port
Definition: vtkX3D.h:453
@ scale
Definition: vtkX3D.h:235
int vtkTypeBool
Definition: vtkABI.h:69
#define VTK_RGBA
#define VTK_RGB
#define VTK_ZBUFFER