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/*=========================================================================
Program: Visualization Toolkit
Module: vtkGenericVertexAttributeMapping.cxx
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.
=========================================================================*/
#include "vtkGenericVertexAttributeMapping.h"
#include "vtkObjectFactory.h"
#include <string>
#include <vector>
#include <vtksys/ios/sstream>
class vtkGenericVertexAttributeMapping::vtkInternal
{
public:
struct vtkInfo
{
std::string AttributeName;
std::string ArrayName;
int FieldAssociation;
int Component;
int TextureUnit;
};
typedef std::vector<vtkInfo> VectorType;
VectorType Mappings;
};
vtkStandardNewMacro(vtkGenericVertexAttributeMapping);
//----------------------------------------------------------------------------
vtkGenericVertexAttributeMapping::vtkGenericVertexAttributeMapping()
{
this->Internal = new vtkInternal();
}
//----------------------------------------------------------------------------
vtkGenericVertexAttributeMapping::~vtkGenericVertexAttributeMapping()
{
delete this->Internal;
}
//----------------------------------------------------------------------------
void vtkGenericVertexAttributeMapping::AddMapping(
const char* attributeName, const char* arrayName, int fieldAssociation,
int component)
{
if (!attributeName || !arrayName)
{
vtkErrorMacro("arrayName and attributeName cannot be null.");
return;
}
if (this->RemoveMapping(attributeName))
{
vtkWarningMacro("Replacing existing mapping for attribute "
<< attributeName);
}
vtkInternal::vtkInfo info;
info.AttributeName = attributeName;
info.ArrayName = arrayName;
info.FieldAssociation = fieldAssociation;
info.Component = component;
info.TextureUnit = -1;
this->Internal->Mappings.push_back(info);
}
//----------------------------------------------------------------------------
void vtkGenericVertexAttributeMapping::AddMapping(
int unit, const char* arrayName, int fieldAssociation,
int component)
{
vtksys_ios::ostringstream attributeName;
attributeName << unit;
if (this->RemoveMapping(attributeName.str().c_str()))
{
vtkWarningMacro("Replacing existing mapping for attribute "
<< attributeName.str().c_str());
}
vtkInternal::vtkInfo info;
info.AttributeName = attributeName.str().c_str();
info.ArrayName = arrayName;
info.FieldAssociation = fieldAssociation;
info.Component = component;
info.TextureUnit = unit;
this->Internal->Mappings.push_back(info);
}
//----------------------------------------------------------------------------
bool vtkGenericVertexAttributeMapping::RemoveMapping(const char* attributeName)
{
vtkInternal::VectorType::iterator iter;
for (iter=this->Internal->Mappings.begin();
iter != this->Internal->Mappings.end(); ++iter)
{
if (iter->AttributeName == attributeName)
{
this->Internal->Mappings.erase(iter);
return true;
}
}
return false;
}
//----------------------------------------------------------------------------
void vtkGenericVertexAttributeMapping::RemoveAllMappings()
{
this->Internal->Mappings.clear();
}
//----------------------------------------------------------------------------
unsigned int vtkGenericVertexAttributeMapping::GetNumberOfMappings()
{
return static_cast<unsigned int>(this->Internal->Mappings.size());
}
//----------------------------------------------------------------------------
const char* vtkGenericVertexAttributeMapping::GetAttributeName(unsigned int index)
{
if (index >= this->Internal->Mappings.size())
{
vtkErrorMacro("Invalid index " << index);
return 0;
}
return this->Internal->Mappings[index].AttributeName.c_str();
}
//----------------------------------------------------------------------------
const char* vtkGenericVertexAttributeMapping::GetArrayName(unsigned int index)
{
if (index >= this->Internal->Mappings.size())
{
vtkErrorMacro("Invalid index " << index);
return 0;
}
return this->Internal->Mappings[index].ArrayName.c_str();
}
//----------------------------------------------------------------------------
int vtkGenericVertexAttributeMapping::GetFieldAssociation(unsigned int index)
{
if (index >= this->Internal->Mappings.size())
{
vtkErrorMacro("Invalid index " << index);
return 0;
}
return this->Internal->Mappings[index].FieldAssociation;
}
//----------------------------------------------------------------------------
int vtkGenericVertexAttributeMapping::GetComponent(unsigned int index)
{
if (index >= this->Internal->Mappings.size())
{
vtkErrorMacro("Invalid index " << index);
return 0;
}
return this->Internal->Mappings[index].Component;
}
//----------------------------------------------------------------------------
int vtkGenericVertexAttributeMapping::GetTextureUnit(unsigned int index)
{
if (index >= this->Internal->Mappings.size())
{
vtkErrorMacro("Invalid index " << index);
return 0;
}
return this->Internal->Mappings[index].TextureUnit;
}
//----------------------------------------------------------------------------
void vtkGenericVertexAttributeMapping::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
vtkInternal::VectorType::iterator iter;
for (iter=this->Internal->Mappings.begin();
iter != this->Internal->Mappings.end(); ++iter)
{
os << indent << "Mapping: "
<< iter->AttributeName.c_str() << ", "
<< iter->ArrayName.c_str() << ", "
<< iter->FieldAssociation << ", "
<< iter->Component << endl;
}
}
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