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// Copyright (c) 2008 GeometryFactory, Sophia-Antipolis (France)
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 3 of the License,
// or (at your option) any later version.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/next/CGALimageIO/include/CGAL/Image_3_vtk_interface.h $
// $Id: Image_3_vtk_interface.h 67093 2012-01-13 11:22:39Z lrineau $
//
// Author(s) : Laurent Rineau
#ifndef CGAL_IMAGE_3_VTK_INTERFACE_H
#define CGAL_IMAGE_3_VTK_INTERFACE_H
#include <CGAL/config.h>
#ifdef CGAL_USE_VTK
#include <CGAL/Image_3.h>
#include <vtkImageData.h>
#include <vtkPointData.h>
#include <vtkDataArray.h>
#include <vtkFloatArray.h>
#include <vtkDoubleArray.h>
#include <vtkCharArray.h>
#include <vtkUnsignedCharArray.h>
#include <vtkShortArray.h>
#include <vtkUnsignedShortArray.h>
#include <vtkIntArray.h>
#include <vtkUnsignedIntArray.h>
#include <boost/cstdint.hpp> // for uint32_t, etc.
namespace CGAL {
template <typename Word>
struct VTK_type_generator {
};
template <>
struct VTK_type_generator<double> {
static const vtkIdType type = VTK_DOUBLE;
typedef vtkDoubleArray ArrayType;
};
template <>
struct VTK_type_generator<float> {
static const vtkIdType type = VTK_FLOAT;
typedef vtkFloatArray ArrayType;
};
template <>
struct VTK_type_generator<char> {
static const vtkIdType type = VTK_CHAR;
typedef vtkCharArray ArrayType;
};
template <>
struct VTK_type_generator<boost::uint8_t> {
static const vtkIdType type = VTK_UNSIGNED_CHAR;
typedef vtkUnsignedCharArray ArrayType;
};
template <>
struct VTK_type_generator<boost::int16_t> {
static const vtkIdType type = VTK_SHORT;
typedef vtkShortArray ArrayType;
};
template <>
struct VTK_type_generator<boost::uint16_t> {
static const vtkIdType type = VTK_UNSIGNED_SHORT;
typedef vtkUnsignedShortArray ArrayType;
};
template <>
struct VTK_type_generator<boost::int32_t> {
static const vtkIdType type = VTK_INT;
typedef vtkIntArray ArrayType;
};
template <>
struct VTK_type_generator<boost::uint32_t> {
static const vtkIdType type = VTK_UNSIGNED_INT;
typedef vtkUnsignedIntArray ArrayType;
};
::vtkImageData* vtk_image_sharing_same_data_pointer(Image_3& image)
{
vtkImageData* vtk_image = vtkImageData::New();
vtkDataArray* data_array = 0;
vtkIdType type = 0;
_image* image_ptr = image.image();
CGAL_IMAGE_IO_CASE
(image_ptr,
type = VTK_type_generator<Word>::type;
typedef VTK_type_generator<Word>::ArrayType VTKArray;
VTKArray* array = VTKArray::New();
array->SetArray(static_cast<Word*>(image.data()), image.size(), 1);
data_array = array;
);
vtk_image->SetDimensions(image.xdim(),
image.ydim(),
image.zdim());
vtk_image->SetWholeExtent(0, image.xdim(),
0, image.ydim(),
0, image.zdim());
vtk_image->SetSpacing(image.vx(),
image.vy(),
image.vz());
vtk_image->SetScalarType(type);
vtk_image->GetPointData()->SetScalars(data_array);
return vtk_image;
} // end vtk_image_sharing_same_data_pointer
} //end namespace CGAL
#endif // CGAL_USE_VTK
#endif // CGAL_IMAGE_3_VTK_INTERFACE_H
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