VTK  9.3.0
vtkImageReader.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
30 #ifndef vtkImageReader_h
31 #define vtkImageReader_h
32 
33 #include "vtkIOImageModule.h" // For export macro
34 #include "vtkImageReader2.h"
35 
36 VTK_ABI_NAMESPACE_BEGIN
37 class vtkTransform;
38 
39 #define VTK_FILE_BYTE_ORDER_BIG_ENDIAN 0
40 #define VTK_FILE_BYTE_ORDER_LITTLE_ENDIAN 1
41 
42 class VTKIOIMAGE_EXPORT vtkImageReader : public vtkImageReader2
43 {
44 public:
45  static vtkImageReader* New();
47  void PrintSelf(ostream& os, vtkIndent indent) override;
48 
50 
54  vtkSetVector6Macro(DataVOI, int);
55  vtkGetVector6Macro(DataVOI, int);
57 
59 
66  vtkGetMacro(DataMask, vtkTypeUInt64);
67  vtkSetMacro(DataMask, vtkTypeUInt64);
69 
71 
76  virtual void SetTransform(vtkTransform*);
77  vtkGetObjectMacro(Transform, vtkTransform);
79 
80  // Warning !!!
81  // following should only be used by methods or template helpers, not users
82  void ComputeInverseTransformedExtent(int inExtent[6], int outExtent[6]);
84 
85  int OpenAndSeekFile(int extent[6], int slice);
86 
88 
91  vtkSetStringMacro(ScalarArrayName);
92  vtkGetStringMacro(ScalarArrayName);
94 
101  int CanReadFile(VTK_FILEPATH const char*) override
102  {
103  return 1; // I think I can read the file but I cannot prove it
104  }
105 
106 protected:
108  ~vtkImageReader() override;
109 
110  vtkTypeUInt64 DataMask;
111 
113 
114  void ComputeTransformedSpacing(double Spacing[3]);
115  void ComputeTransformedOrigin(double origin[3]);
116  void ComputeTransformedExtent(int inExtent[6], int outExtent[6]);
117  void ComputeTransformedIncrements(vtkIdType inIncr[3], vtkIdType outIncr[3]);
118 
119  int DataVOI[6];
120 
122 
124  vtkInformationVector* outputVector) override;
125 
127 
128 private:
129  vtkImageReader(const vtkImageReader&) = delete;
130  void operator=(const vtkImageReader&) = delete;
131 };
132 
133 VTK_ABI_NAMESPACE_END
134 #endif
general representation of visualization data
Definition: vtkDataObject.h:64
Superclass of binary file readers.
Superclass of transformable binary file readers.
void ComputeTransformedExtent(int inExtent[6], int outExtent[6])
static vtkImageReader * New()
int CanReadFile(VTK_FILEPATH const char *) override
vtkImageReader itself can read raw binary files.
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
~vtkImageReader() override
void ComputeInverseTransformedExtent(int inExtent[6], int outExtent[6])
void ComputeTransformedSpacing(double Spacing[3])
int RequestInformation(vtkInformation *request, vtkInformationVector **inputVector, vtkInformationVector *outputVector) override
Subclasses can reimplement this method to collect information from their inputs and set information f...
int OpenAndSeekFile(int extent[6], int slice)
char * ScalarArrayName
void ExecuteDataWithInformation(vtkDataObject *data, vtkInformation *outInfo) override
This is a convenience method that is implemented in many subclasses instead of RequestData.
virtual void SetTransform(vtkTransform *)
Set/Get transformation matrix to transform the data from slice space into world space.
void ComputeTransformedOrigin(double origin[3])
void ComputeInverseTransformedIncrements(vtkIdType inIncr[3], vtkIdType outIncr[3])
vtkTypeUInt64 DataMask
void ComputeTransformedIncrements(vtkIdType inIncr[3], vtkIdType outIncr[3])
vtkTransform * Transform
a simple class to control print indentation
Definition: vtkIndent.h:38
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
describes linear transformations via a 4x4 matrix
Definition: vtkTransform.h:59
@ Transform
Definition: vtkX3D.h:41
@ extent
Definition: vtkX3D.h:345
@ data
Definition: vtkX3D.h:315
int vtkIdType
Definition: vtkType.h:315
#define VTK_FILEPATH