24#ifndef vtkOpenGLVolumeLookupTable_h
25#define vtkOpenGLVolumeLookupTable_h
28#include "vtkRenderingVolumeOpenGL2Module.h"
69 virtual void Update(
vtkObject* func,
double scalarRange[2],
int blendMode,
double sampleDistance,
99 vtkObject* func,
double scalarRange[2],
int blendMode,
double sampleDistance);
105 vtkObject* func,
int blendMode,
double sampleDistance,
double unitDistance,
int filterValue);
a simple class to control print indentation
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
virtual void ComputeIdealTextureSize(vtkObject *func, int &width, int &height, vtkOpenGLRenderWindow *renWin)
Compute ideal width and height for the texture based on function provided.
virtual void InternalUpdate(vtkObject *func, int blendMode, double sampleDistance, double unitDistance, int filterValue)
Internal method to actually update the texture object.
int NumberOfColorComponents
virtual bool NeedsUpdate(vtkObject *func, double scalarRange[2], int blendMode, double sampleDistance)
Test whether the internal function needs to be updated.
int GetMaximumSupportedTextureWidth(vtkOpenGLRenderWindow *renWin, int idealWidth)
Get the maximum supported texture width for the target OpenGL environment.
virtual void AllocateTable()
Allocate internal data table.
void ReleaseGraphicsResources(vtkWindow *window)
Release graphics resources.
void Deactivate()
Activate / deactivate the internal texture object.
~vtkOpenGLVolumeLookupTable() override
int GetTextureUnit()
Get the texture unit associated with the managed texture object.
vtkTextureObject * TextureObject
void Activate()
Activate / deactivate the internal texture object.
vtkOpenGLVolumeLookupTable()=default
virtual void Update(vtkObject *func, double scalarRange[2], int blendMode, double sampleDistance, double unitDistance, int filterValue, vtkOpenGLRenderWindow *renWin)
Update the internal texture object using the transfer function provided.
abstracts an OpenGL texture object.
record modification and/or execution time
window superclass for vtkRenderWindow