X-Git-Url: http://git.euphorik.ch/index.cgi?a=blobdiff_plain;f=WCudaMSE%2FTuto_Image_Cuda%2Fsrc%2Fcpp%2Fcore%2F00_Vague_warmup%2F03_math%2FVague0Math.h;fp=WCudaMSE%2FTuto_Image_Cuda%2Fsrc%2Fcpp%2Fcore%2F00_Vague_warmup%2F03_math%2FVague0Math.h;h=83eedf3cee743ae185e33f1a332fcdd4774d8a87;hb=8d08c12b29c2a14684f35c023ee39e694bb80d25;hp=0000000000000000000000000000000000000000;hpb=226de81f7e1f1fbf4ac79d0d089e8a05ec7159a0;p=GPU.git

diff --git a/WCudaMSE/Tuto_Image_Cuda/src/cpp/core/00_Vague_warmup/03_math/Vague0Math.h b/WCudaMSE/Tuto_Image_Cuda/src/cpp/core/00_Vague_warmup/03_math/Vague0Math.h
new file mode 100755
index 0000000..83eedf3
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+++ b/WCudaMSE/Tuto_Image_Cuda/src/cpp/core/00_Vague_warmup/03_math/Vague0Math.h
@@ -0,0 +1,83 @@
+#ifndef VAGUE_0_MATH_
+#define VAGUE_0_MATH_
+
+#include "MathTools.h"
+
+/*----------------------------------------------------------------------*\
+ |*			Declaration 					*|
+ \*---------------------------------------------------------------------*/
+
+/*--------------------------------------*\
+ |*		Public			*|
+ \*-------------------------------------*/
+
+class Vague0Math
+    {
+
+	/*--------------------------------------*\
+	|*		Constructor		*|
+	 \*-------------------------------------*/
+
+    public:
+
+	__device__ Vague0Math(int w, int h)
+	    {
+	    this->factor = 4 * PI / (float) w;
+	    }
+
+	__device__ Vague0Math(const Vague0Math& source)
+	    {
+	    // rien
+	    }
+
+	/*--------------------------------------*\
+	|*		Methodes		*|
+	 \*-------------------------------------*/
+
+    public:
+
+	/**
+	 * x=pixelI
+	 * y=pixelJ
+	 */
+	__device__
+	void colorIJ(uchar4* ptrColor, int i, int j, float t)
+	    {
+	  unsigned char levelGris;
+
+	    f(levelGris,i, j, t); // update levelGris
+
+	    ptrColor->x = levelGris;
+	    ptrColor->y = levelGris;
+	    ptrColor->z = levelGris;
+
+	    ptrColor->w = 255; // opaque
+	    }
+
+    private:
+
+	__device__
+	void f(unsigned char& levelGris,int i, int j, float t)
+	    {
+	    // Example1
+	    //unsigned char levelGris= 255 * abs(sin(t)); // same color for all the image (Hello image)
+
+	    // Example2
+	    levelGris = 255 * fabs(sin(i * factor + t));
+	    }
+
+	/*--------------------------------------*\
+	|*		Attributs		*|
+	 \*-------------------------------------*/
+
+    private:
+
+	float factor;
+
+    };
+
+#endif 
+
+/*----------------------------------------------------------------------*\
+ |*			End	 					*|
+ \*---------------------------------------------------------------------*/