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/*=========================================================================
Program: Visualization Toolkit
Module: vtkOpenGLScalarsToColorsPainter.h
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.
=========================================================================*/
// .NAME vtkOpenGLScalarsToColorsPainter - implementation of
// vtkScalarsToColorsPainter for OpenGL.
// .SECTION Description
// vtkOpenGLScalarsToColorsPainter is a concrete subclass of
// vtkScalarsToColorsPainter which uses OpenGL for color mapping.
#ifndef vtkOpenGLScalarsToColorsPainter_h
#define vtkOpenGLScalarsToColorsPainter_h
#include "vtkRenderingOpenGLModule.h" // For export macro
#include "vtkScalarsToColorsPainter.h"
class vtkOpenGLTexture;
class VTKRENDERINGOPENGL_EXPORT vtkOpenGLScalarsToColorsPainter :
public vtkScalarsToColorsPainter
{
public:
static vtkOpenGLScalarsToColorsPainter* New();
vtkTypeMacro(vtkOpenGLScalarsToColorsPainter,
vtkScalarsToColorsPainter);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Release any graphics resources that are being consumed by this mapper.
// The parameter window could be used to determine which graphic
// resources to release.
virtual void ReleaseGraphicsResources(vtkWindow *);
virtual int GetPremultiplyColorsWithAlpha(vtkActor* actor);
// Description:
// Return the texture size limit, i.e. GL_MAX_TEXTURE_SIZE.
virtual vtkIdType GetTextureSizeLimit();
protected:
vtkOpenGLScalarsToColorsPainter();
~vtkOpenGLScalarsToColorsPainter();
vtkOpenGLTexture* InternalColorTexture;
int AlphaBitPlanes;
bool AcquiredGraphicsResources;
bool SupportsSeparateSpecularColor;
// Description:
// Generates rendering primitives of appropriate type(s). Multiple types
// of preimitives can be requested by or-ring the primitive flags.
// Subclasses may override this method. Default implementation propagates
// the call to Deletegate Painter, in any.
virtual void RenderInternal(vtkRenderer* renderer, vtkActor* actor,
unsigned long typeflags, bool forceCompileOnly);
private:
vtkOpenGLScalarsToColorsPainter(const vtkOpenGLScalarsToColorsPainter&); // Not implemented.
void operator=(const vtkOpenGLScalarsToColorsPainter&); // Not implemented.
};
#endif
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