Borders handling in filters

S04_Projet/MyImage.cs

@@ -348,8 +348,11 @@ namespace S04_Projet
                 int x = x0 + (i % size) - ((size - 1) / 2);
                 int y = y0 + (i / size) - ((size - 1) / 2);
 
-                if (x >= 0 && x < opt.width && y >= 0 && y < opt.height)
-                {
+                if (x < 0) x = 0;
+                else if (x >= opt.width) x = opt.width - 1;
+                if (y < 0) y = 0;
+                else if (y >= opt.height) y = opt.height - 1;
+
                 if (rgb == RGB.R)
                     matrix[(i % size), (i / size)] = Pixels[x, y].r;
                 else if (rgb == RGB.G)
@@ -357,7 +360,6 @@ namespace S04_Projet
                 else if (rgb == RGB.B)
                     matrix[(i % size), (i / size)] = Pixels[x, y].b;
             }
-            }
 
             return matrix;
         }

S04_Projet/Program.cs

@@ -54,7 +54,7 @@ namespace S04_Projet
                 { 0, -1, 0 }
             };
 
-            MyImage imgg = new MyImage("img/coco.bmp");
+            MyImage imgg = new MyImage("img/flocon.bmp");
             imgg.ApplyConvFilter(identityFilter, 1).Save("id.bmp");
             imgg.ApplyConvFilter(edgeDetect1Filter, 1).Save("edge1.bmp");
             imgg.ApplyConvFilter(edgeDetect2Filter, 1).Save("edge2.bmp");