You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
/*=========================================================================
|
|
|
|
Program: Visualization Toolkit
|
|
|
|
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.
|
|
|
|
=========================================================================*/
|
|
/**
|
|
* @class vtkOpenGLSphereMapper
|
|
* @brief draw spheres using imposters
|
|
*
|
|
* An OpenGL mapper that uses imposters to draw spheres. Supports
|
|
* transparency and picking as well.
|
|
*/
|
|
|
|
#ifndef vtkOpenGLSphereMapper_h
|
|
#define vtkOpenGLSphereMapper_h
|
|
|
|
#include "vtkOpenGLPolyDataMapper.h"
|
|
#include "vtkRenderingOpenGL2Module.h" // For export macro
|
|
|
|
class VTKRENDERINGOPENGL2_EXPORT vtkOpenGLSphereMapper : public vtkOpenGLPolyDataMapper
|
|
{
|
|
public:
|
|
static vtkOpenGLSphereMapper* New();
|
|
vtkTypeMacro(vtkOpenGLSphereMapper, vtkOpenGLPolyDataMapper);
|
|
void PrintSelf(ostream& os, vtkIndent indent) override;
|
|
|
|
//@{
|
|
/**
|
|
* Convenience method to set the array to scale with.
|
|
*/
|
|
vtkSetStringMacro(ScaleArray);
|
|
//@}
|
|
|
|
//@{
|
|
/**
|
|
* This value will be used for the radius is the scale
|
|
* array is not provided.
|
|
*/
|
|
vtkSetMacro(Radius, float);
|
|
vtkGetMacro(Radius, float);
|
|
|
|
/**
|
|
* This calls RenderPiece (twice when transparent)
|
|
*/
|
|
void Render(vtkRenderer* ren, vtkActor* act) override;
|
|
|
|
/**
|
|
* allows a mapper to update a selections color buffers
|
|
* Called from a prop which in turn is called from the selector
|
|
*/
|
|
// void ProcessSelectorPixelBuffers(vtkHardwareSelector *sel,
|
|
// int propid, vtkProp *prop) override;
|
|
|
|
protected:
|
|
vtkOpenGLSphereMapper();
|
|
~vtkOpenGLSphereMapper() override;
|
|
|
|
/**
|
|
* Create the basic shaders before replacement
|
|
*/
|
|
void GetShaderTemplate(
|
|
std::map<vtkShader::Type, vtkShader*> shaders, vtkRenderer* ren, vtkActor* act) override;
|
|
|
|
/**
|
|
* Perform string replacements on the shader templates
|
|
*/
|
|
void ReplaceShaderValues(
|
|
std::map<vtkShader::Type, vtkShader*> shaders, vtkRenderer* ren, vtkActor* act) override;
|
|
|
|
/**
|
|
* Set the shader parameters related to the Camera
|
|
*/
|
|
void SetCameraShaderParameters(vtkOpenGLHelper& cellBO, vtkRenderer* ren, vtkActor* act) override;
|
|
|
|
/**
|
|
* Set the shader parameters related to the actor/mapper
|
|
*/
|
|
void SetMapperShaderParameters(vtkOpenGLHelper& cellBO, vtkRenderer* ren, vtkActor* act) override;
|
|
|
|
const char* ScaleArray;
|
|
|
|
/**
|
|
* Update the VBO to contain point based values
|
|
*/
|
|
void BuildBufferObjects(vtkRenderer* ren, vtkActor* act) override;
|
|
|
|
void RenderPieceDraw(vtkRenderer* ren, vtkActor* act) override;
|
|
|
|
virtual void CreateVBO(vtkPolyData* poly, vtkIdType numPts, unsigned char* colors,
|
|
int colorComponents, vtkIdType nc, float* sizes, vtkIdType ns, vtkRenderer* ren);
|
|
|
|
// used for transparency
|
|
bool Invert;
|
|
float Radius;
|
|
|
|
private:
|
|
vtkOpenGLSphereMapper(const vtkOpenGLSphereMapper&) = delete;
|
|
void operator=(const vtkOpenGLSphereMapper&) = delete;
|
|
};
|
|
|
|
#endif
|