VTK  9.2.6
vtkGLTFWriterUtils.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkGLTFWriterUtils.h
5 
6  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7  All rights reserved.
8  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9 
10  This software is distributed WITHOUT ANY WARRANTY; without even
11  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12  PURPOSE. See the above copyright notice for more information.
13 
14 =========================================================================*/
15 
26 #ifndef vtkGLTFWriterUtils_h
27 #define vtkGLTFWriterUtils_h
28 
29 #include "vtkIOGeometryModule.h" // For export macro
30 #include "vtkWrappingHints.h"
31 
32 #include <vtk_nlohmannjson.h>
33 #include VTK_NLOHMANN_JSON(json.hpp)
34 #include <ostream>
35 
37 class vtkCellArray;
38 class vtkDataArray;
39 
40 class VTKIOGEOMETRY_EXPORT vtkGLTFWriterUtils
41 {
42 public:
43  VTK_WRAPEXCLUDE static void WriteValues(vtkDataArray* ca, std::ostream& myFile);
44  VTK_WRAPEXCLUDE static void WriteValues(vtkDataArray* ca, vtkBase64OutputStream* ostr);
45  VTK_WRAPEXCLUDE static void WriteBufferAndView(vtkDataArray* inda, const char* fileName,
46  bool inlineData, nlohmann::json& buffers, nlohmann::json& bufferViews);
47  VTK_WRAPEXCLUDE static void WriteCellBufferAndView(vtkCellArray* ca, const char* fileName,
48  bool inlineData, nlohmann::json& buffers, nlohmann::json& bufferViews);
49 };
50 
51 // gltf uses hard coded numbers to represent data types
52 // they match the definitions from gl.h but for your convenience
53 // some of the common values we use are listed below to make
54 // the code more readable without including gl.h
55 
56 #define GL_BYTE 0x1400
57 #define GL_UNSIGNED_BYTE 0x1401
58 #define GL_SHORT 0x1402
59 #define GL_UNSIGNED_SHORT 0x1403
60 #define GL_INT 0x1404
61 #define GL_UNSIGNED_INT 0x1405
62 #define GL_FLOAT 0x1406
63 
64 #define GL_CLAMP_TO_EDGE 0x812F
65 #define GL_REPEAT 0x2901
66 
67 #define GL_NEAREST 0x2600
68 #define GL_LINEAR 0x2601
69 
70 #define ARRAY_BUFFER 34962
71 #define ELEMENT_ARRAY_BUFFER 34963
72 
73 #endif
74 
75 // VTK-HeaderTest-Exclude: vtkGLTFWriterUtils.h
abstract superclass for arrays of numeric data
Definition: vtkDataArray.h:55
object to represent cell connectivity
Definition: vtkCellArray.h:186
#define VTK_WRAPEXCLUDE
Writes base64-encoded output to a stream.