VTK  9.2.6
vtkHDRReader.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkHDRReader.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=========================================================================*/
23#ifndef vtkHDRReader_h
24#define vtkHDRReader_h
25
26#include "vtkIOImageModule.h" // For export macro
27#include "vtkImageReader.h"
28#include <string> // for std::string
29#include <vector> // for std::vector
30
31class VTKIOIMAGE_EXPORT vtkHDRReader : public vtkImageReader
32{
33public:
34 static vtkHDRReader* New();
36
37 void PrintSelf(ostream& os, vtkIndent indent) override;
38
40 {
41 FORMAT_32BIT_RLE_RGBE = 0,
42 FORMAT_32BIT_RLE_XYZE
43 };
44
46
49 vtkGetMacro(Format, int);
51
53
57 vtkGetMacro(Gamma, double);
59
61
65 vtkGetMacro(Exposure, double);
67
69
73 vtkGetMacro(PixelAspect, double);
75
79 int CanReadFile(VTK_FILEPATH const char* fname) override;
80
86 const char* GetFileExtensions() override { return ".hdr .pic"; }
87
91 const char* GetDescriptiveName() override { return "Radiance HDR"; }
92
93protected:
95 ~vtkHDRReader() override;
96
97 std::string ProgramType;
99 double Gamma;
100 double Exposure;
102
106 bool FlippedX = false;
107
111 bool SwappedAxis = false;
112
113 void ExecuteInformation() override;
115 bool HDRReaderUpdateSlice(float* outPtr, int* outExt);
116 void HDRReaderUpdate(vtkImageData* data, float* outPtr);
117
122 bool HasError(istream* is);
123
124 int GetWidth() const;
125 int GetHeight() const;
126
132
133 void ConvertAllDataFromRGBToXYZ(float* outPtr, int size);
134
135 void FillOutPtrRLE(int* outExt, float*& outPtr, std::vector<unsigned char>& lineBuffer);
136 void FillOutPtrNoRLE(int* outExt, float*& outPtr, std::vector<unsigned char>& lineBuffer);
137
142 bool ReadAllFileNoRLE(istream* is, float* outPtr, int decrPtr, int* outExt);
143
148 bool ReadLineRLE(istream* is, unsigned char* lineBufferPtr);
149
153 void RGBE2Float(unsigned char rgbe[4], float& r, float& g, float& b);
154
160 static void XYZ2RGB(const float convertMatrix[3][3], float& r, float& g, float& b);
161
162private:
163 vtkHDRReader(const vtkHDRReader&) = delete;
164 void operator=(const vtkHDRReader&) = delete;
165};
166#endif
general representation of visualization data
read Radiance HDR files
int CanReadFile(VTK_FILEPATH const char *fname) override
Is the given file a HDR file?
const char * GetDescriptiveName() override
Return a descriptive name for the file format that might be useful in a GUI.
FormatType Format
~vtkHDRReader() override
void FillOutPtrNoRLE(int *outExt, float *&outPtr, std::vector< unsigned char > &lineBuffer)
static void XYZ2RGB(const float convertMatrix[3][3], float &r, float &g, float &b)
Conversion from xyz to rgb float using the 3x3 convert matrix.
void FillOutPtrRLE(int *outExt, float *&outPtr, std::vector< unsigned char > &lineBuffer)
void ConvertAllDataFromRGBToXYZ(float *outPtr, int size)
double PixelAspect
void ExecuteDataWithInformation(vtkDataObject *out, vtkInformation *outInfo) override
This is a convenience method that is implemented in many subclasses instead of RequestData.
bool ReadLineRLE(istream *is, unsigned char *lineBufferPtr)
Read a line of the file from is into lineBuffer with RLE encoding.
static vtkHDRReader * New()
bool ReadAllFileNoRLE(istream *is, float *outPtr, int decrPtr, int *outExt)
Read the file from is into outPtr with no RLE encoding.
bool HDRReaderUpdateSlice(float *outPtr, int *outExt)
void RGBE2Float(unsigned char rgbe[4], float &r, float &g, float &b)
Standard conversion from rgbe to float pixels.
void HDRReaderUpdate(vtkImageData *data, float *outPtr)
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
int GetWidth() const
void ExecuteInformation() override
bool ReadHeaderData()
Read the header data and fill attributes of HDRReader, as well as DataExtent.
int GetHeight() const
const char * GetFileExtensions() override
Get the file extensions for this format.
std::string ProgramType
bool HasError(istream *is)
If the stream has an error, close the file and return true.
topologically and geometrically regular array of data
Superclass of transformable binary file readers.
a simple class to control print indentation
Definition vtkIndent.h:34
Store vtkAlgorithm input/output information.
#define VTK_FILEPATH