WCudaMSE/Tuto_Image/src/cpp/core/01_Vague/c_math/VagueMath.h

   1 #ifndef VAGUE_MATH_H_
   2 #define VAGUE_MATH_H_
   3
   4 #include "cudaType.h"
   5 #include "MathTools.h"
   6
   7 /*----------------------------------------------------------------------*\
   8  |*                     Declaration                                     *|
   9  \*---------------------------------------------------------------------*/
  10
  11 /*--------------------------------------*\
  12  |*             Public                  *|
  13  \*-------------------------------------*/
  14
  15 /**
  16  * Dans un header only pour preparer la version cuda
  17  */
  18 class VagueMath
  19     {
  20
  21         /*--------------------------------------*\
  22          |*             Constructeur            *|
  23          \*-------------------------------------*/
  24
  25     public:
  26
  27         VagueMath(unsigned int w, unsigned int h)
  28             {
  29             this->factor = 4 * PI / (float) w;
  30             }
  31
  32         virtual ~VagueMath(void)
  33             {
  34             //rien
  35             }
  36
  37         /*--------------------------------------*\
  38          |*             Methode                 *|
  39          \*-------------------------------------*/
  40
  41     public:
  42
  43         /**
  44          * i in [0,h[
  45          * j in [0,w[
  46          * code commun �
  47          *      entrelacementOMP
  48          *      forAutoOMP
  49          */
  50         void colorIJ(uchar4* ptrColorIJ, int i, int j, int t)
  51             {
  52             unsigned char levelGris;
  53
  54             f(levelGris, i, j, t); // update levelGris
  55
  56             ptrColorIJ->x = levelGris;
  57             ptrColorIJ->y = levelGris;
  58             ptrColorIJ->z = levelGris;
  59
  60             ptrColorIJ->w = 255; // opaque
  61             }
  62
  63     private:
  64
  65         void f( unsigned char& levelGris,int i, int j, float t)
  66             {
  67             // example1
  68             // levelGris = 255 * fabs(sin(t)); // same color for all the image (Hello image)
  69
  70             // Example2
  71             levelGris = 255 * fabs(sin(i * factor + t));
  72             }
  73
  74         /*--------------------------------------*\
  75         |*              Attribut                *|
  76          \*-------------------------------------*/
  77
  78     private:
  79
  80         // Inputs
  81         float factor;
  82
  83     };
  84
  85 #endif
  86
  87 /*----------------------------------------------------------------------*\
  88  |*                     End                                             *|
  89  /*----------------------------------------------------------------------*/