WCudaMSE/Tuto_Image/src/cpp/core/02_Damier_Zoomable/c_math/DamierMath.h

   1 #ifndef DAMIER_MATH_H_
   2 #define DAMIER_MATH_H_
   3
   4 #include "CalibreurF.h"
   5 #include "ColorTools.h"
   6 #include <math.h>
   7
   8 /*----------------------------------------------------------------------*\
   9  |*                     Declaration                                     *|
  10  \*---------------------------------------------------------------------*/
  11
  12 /*--------------------------------------*\
  13  |*             Public                  *|
  14  \*-------------------------------------*/
  15
  16 /**
  17  * Dans un header only pour preparer la version cuda
  18  */
  19 class DamierMath
  20     {
  21         /*--------------------------------------*\
  22          |*             Constructeur            *|
  23          \*-------------------------------------*/
  24
  25     public:
  26
  27         /**
  28          * calibreurColor : transformation affine entre [-1,1] (l'output de f(x,y)) et [0,1] (le spectre hsb)
  29          */
  30         DamierMath(int n) :
  31                 calibreur(IntervalF(-1, 1), IntervalF(0, 1))
  32             {
  33             this->n = n;
  34             }
  35
  36         virtual ~DamierMath(void)
  37             {
  38             // rien
  39             }
  40
  41         /*--------------------------------------*\
  42         |*              Methode                 *|
  43          \*-------------------------------------*/
  44
  45     public:
  46
  47         void colorXY(uchar4* ptrColor, double x, double y, const DomaineMath& domaineMath, double t)
  48             {
  49             float z = f(x, y, t);
  50
  51             calibreur.calibrer(z);
  52             float hue01 = z;
  53
  54             ColorTools::HSB_TO_RVB(hue01, ptrColor); // update color
  55
  56             ptrColor->w = 255; // opaque
  57             }
  58
  59     private:
  60
  61         double f(double x, double y, double t)
  62             {
  63             return sin(x * n + t) * cos(y * n + t); // t para animation
  64             }
  65
  66         /*--------------------------------------*\
  67         |*              Attribut                *|
  68          \*-------------------------------------*/
  69
  70     protected:
  71
  72         // Inputs
  73         int n;
  74
  75         // Tools
  76         CalibreurF calibreur;
  77
  78     }
  79 ;
  80
  81 #endif
  82
  83 /*----------------------------------------------------------------------*\
  84  |*                     End                                             *|
  85  \*---------------------------------------------------------------------*/