1 /*=========================================================================
2 
3   Program:   Visualization Toolkit
4   Module:    vtkImageRGBToHSV.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 /**
16  * @class   vtkImageRGBToHSV
17  * @brief   Converts RGB components to HSV.
18  *
19  * For each pixel with red, blue, and green components this
20  * filter output the color coded as hue, saturation and value.
21  * Output type must be the same as input type.
22 */
23 
24 #ifndef vtkImageRGBToHSV_h
25 #define vtkImageRGBToHSV_h
26 
27 
28 #include "vtkImagingColorModule.h" // For export macro
29 #include "vtkThreadedImageAlgorithm.h"
30 
31 class VTKIMAGINGCOLOR_EXPORT vtkImageRGBToHSV : public vtkThreadedImageAlgorithm
32 {
33 public:
34   static vtkImageRGBToHSV *New();
35   vtkTypeMacro(vtkImageRGBToHSV,vtkThreadedImageAlgorithm);
36   void PrintSelf(ostream& os, vtkIndent indent) override;
37 
38 
39   // Hue is an angle. Maximum specifies when it maps back to 0.  HueMaximum
40   // defaults to 255 instead of 2PI, because unsigned char is expected as
41   // input.  Maximum also specifies the maximum of the Saturation.
42   vtkSetMacro(Maximum,double);
43   vtkGetMacro(Maximum,double);
44 
45 protected:
46   vtkImageRGBToHSV();
~vtkImageRGBToHSV()47   ~vtkImageRGBToHSV() override {}
48 
49   double Maximum;
50 
51   void ThreadedExecute (vtkImageData *inData, vtkImageData *outData,
52                        int ext[6], int id) override;
53 private:
54   vtkImageRGBToHSV(const vtkImageRGBToHSV&) = delete;
55   void operator=(const vtkImageRGBToHSV&) = delete;
56 };
57 
58 #endif
59 
60 
61 
62