Update app.py

app.py

@@ -469,27 +469,33 @@ def export_pdf(heatmap_img, chart_img, summary_md):
     return pdf_path
 
 
-def draw_scan_path(overlay_bgr, zones):
+def draw_scan_path(overlay_bgr, zones, img_h, img_w):
     img = overlay_bgr.copy()
+    scale = max(1.0, min(img_h, img_w) / 800.0)
+    outer_thickness = int(8 * scale)
+    inner_thickness = int(4 * scale)
     ordered = sorted(zones, key=lambda z: z["intensity_rank"])
     for i in range(len(ordered) - 1):
         pt1 = (ordered[i]["cx"], ordered[i]["cy"])
         pt2 = (ordered[i + 1]["cx"], ordered[i + 1]["cy"])
-        cv2.arrowedLine(img, pt1, pt2, (0, 0, 0), 8, tipLength=0.08, line_type=cv2.LINE_AA)
-        cv2.arrowedLine(img, pt1, pt2, (0, 255, 255), 4, tipLength=0.08, line_type=cv2.LINE_AA)
+        cv2.arrowedLine(img, pt1, pt2, (0, 0, 0), outer_thickness, tipLength=0.08, line_type=cv2.LINE_AA)
+        cv2.arrowedLine(img, pt1, pt2, (0, 255, 255), inner_thickness, tipLength=0.08, line_type=cv2.LINE_AA)
     return img
 
 
-def draw_zone_labels(overlay_bgr, zones):
+def draw_zone_labels(overlay_bgr, zones, img_h, img_w):
     img = overlay_bgr.copy()
+    scale = max(1.0, min(img_h, img_w) / 800.0)
+    radius = int(22 * scale)
+    font_scale = 0.9 * scale
+    thickness = max(2, int(3 * scale))
     for i, z in enumerate(zones, 1):
         cx, cy = z["cx"], z["cy"]
-        radius = 22
         cv2.circle(img, (cx, cy), radius, (255, 255, 255), -1)
-        cv2.circle(img, (cx, cy), radius, (0, 0, 0), 3)
+        cv2.circle(img, (cx, cy), radius, (0, 0, 0), thickness)
         text = str(i)
-        (tw, th), _ = cv2.getTextSize(text, cv2.FONT_HERSHEY_SIMPLEX, 0.9, 3)
-        cv2.putText(img, text, (cx - tw // 2, cy + th // 2), cv2.FONT_HERSHEY_SIMPLEX, 0.9, (0, 0, 0), 3, cv2.LINE_AA)
+        (tw, th), _ = cv2.getTextSize(text, cv2.FONT_HERSHEY_SIMPLEX, font_scale, thickness)
+        cv2.putText(img, text, (cx - tw // 2, cy + th // 2), cv2.FONT_HERSHEY_SIMPLEX, font_scale, (0, 0, 0), thickness, cv2.LINE_AA)
     return img
 
 
@@ -512,8 +518,8 @@ def analyze(pil_image, overlay_strength):
     tips = generate_recommendations(saliency_map, scores, read, h, w)
     chart_image = create_score_chart(scores['focus_score'], scores['spread_score'], readability_score)
 
-    overlay_bgr = draw_scan_path(overlay_bgr, zones)
-    overlay_bgr = draw_zone_labels(overlay_bgr, zones)
+    overlay_bgr = draw_scan_path(overlay_bgr, zones, h, w)
+    overlay_bgr = draw_zone_labels(overlay_bgr, zones, h, w)
     overlay_bgr = draw_issue_markers(overlay_bgr, read.get("issue_boxes", []))
     overlay_rgb = cv2.cvtColor(overlay_bgr, cv2.COLOR_BGR2RGB)