fonction conv qui marche pas

main.c

 #include "pgm.h"
 
-void foo(int* elem){
-    *elem *= 2;
-}
-
 int main(){
+    int boxBlur[] = {1,1,1,1,1,1,1,1,1};
+
+
     pgm p;
     pgm_read_from_file(&p, "./img/mandrill.pgm");
     pgm_write_to_file(&p, "./img/mandrill2.pgm");
@@ -20,7 +19,7 @@ int main(){
 
     //SYM HORIZONTAL
     pgm symH;
-    pgm_symmetry_vert(&symH, &p);
+    pgm_symmetry_hori(&symH, &p);
     pgm_write_to_file(&symH, "./img/symH_mandrill.pgm");
 
     //SYM VERTICAL
@@ -38,9 +37,16 @@ int main(){
      pgm_crop(&crop, &p, 100, 200, 100, 200);
      pgm_write_to_file(&crop, "./img/crop_mandrill.pgm");
 
-    
-
+    matrix kernel;
+    matrix_init_from_array(&kernel, 3, 3, boxBlur);
+    matrix_print(kernel);
+    pgm conv;
+    pgm_conv(&conv, &p, &kernel, 9);
+    pgm_write_to_file(&crop, "./img/conv_mandrill.pgm");
 
+     
+     matrix_destroy(&(kernel));
+      matrix_destroy(&(conv.pixels));
      matrix_destroy(&(p.pixels));
      matrix_destroy(&(symH.pixels));
      matrix_destroy(&(symV.pixels));

pgm.c

@@ -214,5 +214,64 @@ pgm_error pgm_photomaton(pgm *photomaton, const pgm *const orig){
         return failure;
     }
     
+    return success;
+}
+
+//Kernel = matrice de convolution
+pgm_error pgm_conv(pgm *conv, const pgm *const orig,const matrix *const kernel, double norm){
+    conv->max = orig->max;
+
+    //conv = orig * kernel
+    int cpt = 0;
+    int32_t valeurs[orig->pixels.m * orig->pixels.n];
+
+    int nC = 0;
+    int mC = 0;
+
+    int moy = 0;
+
+    norm = (norm == 0) ? 1 : norm;
+
+    for (int n = 0; n < orig->pixels.m; n++)
+    {
+        for (int m = 0; m < orig->pixels.n; m++)
+        {
+
+            //POURQUOI /2 ????
+            mC = m-(kernel->m-1)/2;
+            nC = n-(kernel->n-1)/2;
+            for (int i = 0; i < kernel->m; i++)
+            {
+                for (int j = 0; j < kernel->n; j++)
+                {
+                    if(mC <= orig->pixels.m && nC <= orig->pixels.n && nC > 0 && mC > 0){
+                        moy += orig->pixels.data[nC][mC] * kernel->data[i][j];
+                    }
+                    nC++;
+                }
+                nC = n-(kernel->n-1)/2;
+                mC++;
+                
+            }
+            moy = moy / norm;
+
+            if(moy < 0){
+                moy = 0;
+            }
+            if(moy >= orig->max){
+                moy = orig->max;
+            }
+
+            valeurs[cpt] = moy;
+            cpt++;
+            moy = 0;
+
+        }
+    }
+
+    if (matrix_init_from_array(&conv->pixels, orig->pixels.m, orig->pixels.n, valeurs) != OK) {
+        return failure;
+    }
+
     return success;
 }
\ No newline at end of file

pgm.h

@@ -38,5 +38,5 @@ pgm_error pgm_photomaton(pgm *photomaton,const pgm *const orig);
 pgm_error pgm_crop(pgm *crop, const pgm *const orig,int32_t x0, int32_t x1,int32_t y0, int32_t y1);
 
 //Filtres avec convultion
-pgm_error pgm_conv(pgm *conv, const pgm *const orig,const matrix *const kernel);
+pgm_error pgm_conv(pgm *conv, const pgm *const orig,const matrix *const kernel, double norm);
 #endif