Add blur effect

Author: john-liu2

batch_img/effect.py

@@ -1,6 +1,5 @@
-"""class Effect: OpenCV advanced image effects operations
-  * neon glow
-  * hdr
+"""class Effect: OpenCV advanced image effects operations:
+  ** neon glow, hdr, blur **
 Copyright © 2025 John Liu
 """
 
@@ -12,7 +11,7 @@
 EFFECTS = {
     "neon": {"glow_intensity": 2.0, "edge_thickness": 2},
     "hdr": {"gamma": 1.2, "saturation": 1.0},
-    "blur": {"ksize": (12, 12), "sigmaX": 0},
+    "blur": {"ksize": (29, 29), "sigmaX": 0},
 }
 
 
@@ -105,7 +104,8 @@ def apply_effects(self, img, in_path: Path, effect_name: str) -> tuple:
         elif effect_name == "hdr":
             new_img = self.hdr_effect(opencv_img, **val)
         elif effect_name == "blur":
-            new_img = cv2.GaussianBlur(opencv_img, **val)
+            tmp = cv2.cvtColor(opencv_img, cv2.COLOR_RGB2BGR)
+            new_img = cv2.GaussianBlur(tmp, **val)
         if new_img is not None:
             rgb_img = cv2.cvtColor(new_img, cv2.COLOR_BGR2RGB)
         return rgb_img, out_file

tests/test_do_effect.py

@@ -15,10 +15,10 @@
 @pytest.fixture(
     params=[
         # (
-        #     Path("~/Documents/IMG_0696.HEIC"),
+        #     Path("~/Documents/IMG_0231.HEIC"),
         #     "",
-        #     "hdr",
-        #     (True, Path("~/Documents/IMG_0696_hdr.HEIC").expanduser()),
+        #     "blur",
+        #     (True, Path("~/Documents/IMG_0231_blur.HEIC").expanduser()),
         # ),
         (
             Path(f"{dirname(__file__)}/data/HEIC/IMG_0070.HEIC"),
@@ -32,6 +32,12 @@
             "hdr",
             (True, Path(f"{dirname(__file__)}/.out/IMG_0070_hdr.HEIC")),
         ),
+        (
+            Path(f"{dirname(__file__)}/data/JPG/152.JPG"),
+            Path(f"{dirname(__file__)}/.out/"),
+            "blur",
+            (True, Path(f"{dirname(__file__)}/.out/152_blur.JPG")),
+        ),
     ]
 )
 def data_apply_1_image(request):