WCudaMSE/Tuto_Image_Cuda/src/cpp/core/02_Damier_Zoomable/moo/device/math/DamierMath.h

   1 #ifndef DAMIER_MATH_H_
   2 #define DAMIER_MATH_H_
   3
   4 #include <math.h>
   5
   6 #include "CalibreurF.h"
   7 #include "ColorTools.h"
   8
   9
  10 /*----------------------------------------------------------------------*\
  11  |*                     Declaration                                     *|
  12  \*---------------------------------------------------------------------*/
  13
  14 /*--------------------------------------*\
  15  |*             Public                  *|
  16  \*-------------------------------------*/
  17
  18
  19 class DamierMath
  20     {
  21
  22         /*--------------------------------------*\
  23         |*              Constructor             *|
  24          \*-------------------------------------*/
  25
  26     public:
  27
  28         __device__
  29         DamierMath(int n):calibreur(IntervalF(-1, 1), IntervalF(0, 1))
  30             {
  31             this->n = n;
  32             }
  33
  34         // constructeur copie automatique car pas pointeur dans
  35         //      DamierMath
  36         //      calibreur
  37         //      IntervalF
  38
  39         /*--------------------------------------*\
  40         |*              Methodes                *|
  41          \*-------------------------------------*/
  42
  43     public:
  44
  45         /**
  46          * x=pixelI
  47          * y=pixelJ
  48          */
  49         __device__
  50         void colorXY(uchar4* ptrColor,float x, float y,float t)
  51             {
  52             float z = f(x, y,t);
  53
  54             calibreur.calibrer(z);
  55             float hue01 = z;
  56
  57             ColorTools::HSB_TO_RVB(hue01,ptrColor); // update color
  58
  59             ptrColor->w = 255; // opaque
  60             }
  61
  62     private:
  63
  64         __device__
  65         float f(float x, float y,float t)
  66             {
  67             return sin(x * n + t) * cos(y * n + t);
  68             }
  69
  70         /*--------------------------------------*\
  71         |*              Attributs               *|
  72          \*-------------------------------------*/
  73
  74     private:
  75
  76         // Input
  77         int n;
  78
  79         // Tools
  80         CalibreurF calibreur;
  81
  82     };
  83
  84
  85
  86 #endif
  87
  88
  89
  90 /*----------------------------------------------------------------------*\
  91  |*                     End                                             *|
  92  \*---------------------------------------------------------------------*/