tentativa blur

image8bit.c

@@ -650,5 +650,46 @@ int ImageLocateSubImage(Image img1, int* px, int* py, Image img2) { ///
 /// The image is changed in-place.
 void ImageBlur(Image img, int dx, int dy) { ///
   // Insert your code here!
+   assert(img != NULL);
+  assert(dx >= 0 && dy >= 0);
+
+  int width = img->width;
+  int height = img->height;
+
+  Image tempImg = ImageCreate(width, height, img->maxval);
+  if (tempImg == NULL) {
+    return;
+  }
+
+  for (int y = 0; y < height; y++) {
+    for (int x = 0; x < width; x++) {
+      int sum = 0;
+      int count = 0;
+
+      for (int i = -dy; i <= dy; i++) {
+        for (int j = -dx; j <= dx; j++) {
+          int new_x = x + j;
+          int new_y = y + i;
+
+          if (new_x >= 0 && new_x < width && new_y >= 0 && new_y < height) {
+            sum += ImageGetPixel(img, new_x, new_y);
+            count++;
+          }
+        }
+      }
+
+      if (count > 0) {
+        uint8 meanValue = (uint8)(sum / count + 0.5);
+        ImageSetPixel(tempImg, x, y, meanValue);
+      }
+    }
+  }
+  for (int y = 0; y < height; y++) {
+    for (int x = 0; x < width; x++) {
+      uint8 blurredValue = (uint8)(ImageGetPixel(tempImg, x, y) + 0.5);
+      ImageSetPixel(img, x, y, blurredValue);
+    }
+  }
+  ImageDestroy(&tempImg);
 }