VTK  9.3.20240327
vtkImageReader.h
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1 // SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
2 // SPDX-License-Identifier: BSD-3-Clause
40 #ifndef vtkImageReader_h
41 #define vtkImageReader_h
42 
43 #include "vtkIOImageModule.h" // For export macro
44 #include "vtkImageReader2.h"
45 
46 VTK_ABI_NAMESPACE_BEGIN
47 class vtkTransform;
48 
49 #define VTK_FILE_BYTE_ORDER_BIG_ENDIAN 0
50 #define VTK_FILE_BYTE_ORDER_LITTLE_ENDIAN 1
51 
52 class VTKIOIMAGE_EXPORT vtkImageReader : public vtkImageReader2
53 {
54 public:
55  static vtkImageReader* New();
57  void PrintSelf(ostream& os, vtkIndent indent) override;
58 
60 
64  vtkSetVector6Macro(DataVOI, int);
65  vtkGetVector6Macro(DataVOI, int);
67 
69 
76  vtkGetMacro(DataMask, vtkTypeUInt64);
77  vtkSetMacro(DataMask, vtkTypeUInt64);
79 
81 
86  virtual void SetTransform(vtkTransform*);
87  vtkGetObjectMacro(Transform, vtkTransform);
89 
90  // Warning !!!
91  // following should only be used by methods or template helpers, not users
92  void ComputeInverseTransformedExtent(int inExtent[6], int outExtent[6]);
94 
95  int OpenAndSeekFile(int extent[6], int slice);
96 
98 
101  vtkSetStringMacro(ScalarArrayName);
102  vtkGetStringMacro(ScalarArrayName);
104 
111  int CanReadFile(VTK_FILEPATH const char*) override
112  {
113  return 1; // I think I can read the file but I cannot prove it
114  }
115 
116 protected:
118  ~vtkImageReader() override;
119 
120  vtkTypeUInt64 DataMask;
121 
123 
124  void ComputeTransformedSpacing(double Spacing[3]);
125  void ComputeTransformedOrigin(double origin[3]);
126  void ComputeTransformedExtent(int inExtent[6], int outExtent[6]);
127  void ComputeTransformedIncrements(vtkIdType inIncr[3], vtkIdType outIncr[3]);
128 
129  int DataVOI[6];
130 
132 
134  vtkInformationVector* outputVector) override;
135 
137 
138 private:
139  vtkImageReader(const vtkImageReader&) = delete;
140  void operator=(const vtkImageReader&) = delete;
141 };
142 
143 VTK_ABI_NAMESPACE_END
144 #endif
general representation of visualization data
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:108
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
describes linear transformations via a 4x4 matrix
Definition: vtkTransform.h:159
@ Transform
Definition: vtkX3D.h:41
@ extent
Definition: vtkX3D.h:345
@ data
Definition: vtkX3D.h:315
int vtkIdType
Definition: vtkType.h:315
#define VTK_FILEPATH