Update app.py

app.py

@@ -1,14 +1,38 @@
 import gradio as gr
 import zxingcpp
+from PIL import Image
+
 import cv2
 
 def decode(im):
     img = cv2.imread(f'{im}')
-    results = zxingcpp.read_barcodes(img)
-
-    print (results[0].text)
-    return results[0].text
+    try:
+        results = zxingcpp.read_barcodes(img)
+        return results[0].text
+    except Exception:
+        return "QR Code not Detected \nTry using 'Detect by Color'"
 
+def detect_color(im,col):
+    #qr_img=Image.open(im).convert("RGBA")
+    qr_img=Image.open(im)
+    datas = qr_img.getdata()
+    newData = []
+    h1 = col.strip("#")
+    rgb_tup = tuple(int(h1[i:i+2], 16) for i in (0, 2, 4))
+    for item in datas:
+        if item[0] == rgb_tup[0] and item[1] == rgb_tup[1] and item[2] == rgb_tup[2]:
+            newData.append((0,0,0))
+        else:
+            newData.append(255,255,255)
+    qr_img.putdata(newData)
+    qr_img.save(f'conv_im.png')
+    img = cv2.imread('conv_im.png')
+    try:
+        results = zxingcpp.read_barcodes(img)
+        return results[0].text
+    except Exception:
+        return "QR Code not Detected \nTry using 'Detect by Color'"
+    
 
 
 with gr.Blocks() as app: