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110 lines
3.1 KiB
C
110 lines
3.1 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkGenericVertexAttributeMapping.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/**
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* @class vtkGenericVertexAttributeMapping
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* @brief stores mapping for data arrays to
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* generic vertex attributes.
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*
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* vtkGenericVertexAttributeMapping stores mapping between data arrays and
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* generic vertex attributes. It is used by vtkPainterPolyDataMapper to pass the
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* mappings to the painter which rendering the attributes.
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* @par Thanks:
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* Support for generic vertex attributes in VTK was contributed in
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* collaboration with Stephane Ploix at EDF.
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*/
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#ifndef vtkGenericVertexAttributeMapping_h
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#define vtkGenericVertexAttributeMapping_h
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#include "vtkObject.h"
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#include "vtkRenderingCoreModule.h" // For export macro
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class VTKRENDERINGCORE_EXPORT vtkGenericVertexAttributeMapping : public vtkObject
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{
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public:
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static vtkGenericVertexAttributeMapping* New();
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vtkTypeMacro(vtkGenericVertexAttributeMapping, vtkObject);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* Select a data array from the point/cell data
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* and map it to a generic vertex attribute.
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* Note that indices change when a mapping is added/removed.
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*/
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void AddMapping(
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const char* attributeName, const char* arrayName, int fieldAssociation, int component);
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/**
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* Select a data array and use it as multitexture texture
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* coordinates.
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* Note the texture unit parameter should correspond to the texture
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* unit set on the texture.
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*/
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void AddMapping(int unit, const char* arrayName, int fieldAssociation, int component);
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/**
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* Remove a vertex attribute mapping.
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*/
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bool RemoveMapping(const char* attributeName);
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/**
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* Remove all mappings.
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*/
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void RemoveAllMappings();
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/**
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* Get number of mappings.
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*/
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unsigned int GetNumberOfMappings();
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/**
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* Get the attribute name at the given index.
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*/
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const char* GetAttributeName(unsigned int index);
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/**
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* Get the array name at the given index.
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*/
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const char* GetArrayName(unsigned int index);
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/**
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* Get the field association at the given index.
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*/
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int GetFieldAssociation(unsigned int index);
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/**
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* Get the component no. at the given index.
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*/
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int GetComponent(unsigned int index);
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/**
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* Get the component no. at the given index.
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*/
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int GetTextureUnit(unsigned int index);
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protected:
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vtkGenericVertexAttributeMapping();
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~vtkGenericVertexAttributeMapping() override;
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private:
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vtkGenericVertexAttributeMapping(const vtkGenericVertexAttributeMapping&) = delete;
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void operator=(const vtkGenericVertexAttributeMapping&) = delete;
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class vtkInternal;
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vtkInternal* Internal;
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};
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#endif
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