vtkMRMLShaderPropertyNode.h

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/*==============================================================================

  Program: 3D Slicer

  Copyright (c) Kitware Inc.

  See COPYRIGHT.txt
  or http://www.slicer.org/copyright/copyright.txt for details.

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

  This file was originally developed by Simon Drouin, Brigham and Women's
  Hospital, Boston, MA.

==============================================================================*/

#ifndef __vtkMRMLShaderPropertyNode_h
#define __vtkMRMLShaderPropertyNode_h

// VolumeRendering includes
#include "vtkSlicerVolumeRenderingModuleMRMLExport.h"

// MRML includes
#include "vtkMRMLStorableNode.h"

// VTK includes
class vtkShaderProperty;
class vtkUniforms;

class VTK_SLICER_VOLUMERENDERING_MODULE_MRML_EXPORT vtkMRMLShaderPropertyNode
  : public vtkMRMLStorableNode
{
public:

  static vtkMRMLShaderPropertyNode *New();
  vtkTypeMacro(vtkMRMLShaderPropertyNode,vtkMRMLStorableNode);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  vtkGetObjectMacro(ShaderProperty, vtkShaderProperty);

  vtkUniforms * GetVertexUniforms();
  vtkUniforms * GetFragmentUniforms();
  vtkUniforms * GetGeometryUniforms();

  //--------------------------------------------------------------------------
  // MRMLNode methods
  //--------------------------------------------------------------------------
  vtkMRMLNode* CreateNodeInstance() override;

  void ReadXMLAttributes( const char** atts) override;

  void WriteXML(ostream& of, int indent) override;

  vtkMRMLCopyContentMacro(vtkMRMLShaderPropertyNode);

  const char* GetNodeTagName() override {return "ShaderProperty";}

  void ProcessMRMLEvents ( vtkObject *caller, unsigned long event, void *callData) override;

  vtkMRMLStorageNode* CreateDefaultStorageNode() override;

  bool GetModifiedSinceRead() override;

protected:
  vtkMRMLShaderPropertyNode();
  ~vtkMRMLShaderPropertyNode() override;

protected:
  vtkIntArray* ObservedEvents;

  vtkShaderProperty* ShaderProperty{nullptr};

private:
  vtkMRMLShaderPropertyNode(const vtkMRMLShaderPropertyNode&) = delete;
  void operator=(const vtkMRMLShaderPropertyNode&) = delete;

};

#endif