VTK  9.3.1
vtkOpenGLImageSliceMapper.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
14 #ifndef vtkOpenGLImageSliceMapper_h
15 #define vtkOpenGLImageSliceMapper_h
16 
17 #include "vtkImageSliceMapper.h"
18 #include "vtkRenderingOpenGL2Module.h" // For export macro
19 
20 VTK_ABI_NAMESPACE_BEGIN
21 class vtkRenderWindow;
23 class vtkActor;
24 
25 class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLImageSliceMapper : public vtkImageSliceMapper
26 {
27 public:
30  void PrintSelf(ostream& os, vtkIndent indent) override;
31 
35  void Render(vtkRenderer* ren, vtkImageSlice* prop) override;
36 
42  void ReleaseGraphicsResources(vtkWindow*) override;
43 
44 protected:
46  ~vtkOpenGLImageSliceMapper() override;
47 
53  void RecursiveRenderTexturedPolygon(vtkRenderer* ren, vtkImageProperty* property,
54  vtkImageData* image, int extent[6], bool recursive);
55 
60  void RenderTexturedPolygon(vtkRenderer* ren, vtkImageProperty* property, vtkImageData* image,
61  int extent[6], bool recursive);
62 
67  void RenderPolygon(vtkActor* actor, vtkPoints* points, const int extent[6], vtkRenderer* ren);
68 
73  void RenderBackground(vtkActor* actor, vtkPoints* points, const int extent[6], vtkRenderer* ren);
74 
82  void ComputeTextureSize(
83  const int extent[6], int& xdim, int& ydim, int imageSize[2], int textureSize[2]) override;
84 
89  bool TextureSizeOK(const int size[2], vtkRenderer* ren);
90 
91  vtkRenderWindow* RenderWindow; // RenderWindow used for previous render
92  int TextureSize[2];
96 
100 
102 
103 private:
105  void operator=(const vtkOpenGLImageSliceMapper&) = delete;
106 };
107 
108 VTK_ABI_NAMESPACE_END
109 #endif
OpenGL rendering window.
void ReleaseGraphicsResources(vtkWindow *) override
Release any graphics resources that are being consumed by this mapper.
static vtkImageSliceMapper * New()
represents an object (geometry & properties) in a rendered scene
Definition: vtkActor.h:40
record modification and/or execution time
Definition: vtkTimeStamp.h:24
image display properties
abstract specification for renderers
Definition: vtkRenderer.h:61
virtual void ComputeTextureSize(const int extent[6], int &xdim, int &ydim, int imageSize[2], int textureSize[2])
Given an extent that describes a slice (it must have unit thickness in one of the three directions)...
OpenGL mapper for image slice display.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
window superclass for vtkRenderWindow
Definition: vtkWindow.h:27
a simple class to control print indentation
Definition: vtkIndent.h:28
topologically and geometrically regular array of data
Definition: vtkImageData.h:42
create a window for renderers to draw into
represents an image in a 3D scene
Definition: vtkImageSlice.h:38
void Render(vtkRenderer *renderer, vtkImageSlice *prop) override
This should only be called by the renderer.
map a slice of a vtkImageData to the screen
represent and manipulate 3D points
Definition: vtkPoints.h:28