tests

src/core/text_fitting.py

@@ -231,7 +231,7 @@ def calculate_text_scaling(text, font, target_width, target_height):
         current_height = bbox[3] - bbox[1]
         
         if current_width == 0 or current_height == 0:
-            return 1.0, 1.0
+            return 1.0, 1.0, 1.0
         
         # Calculate scaling factors
         width_scale = target_width / current_width

src/utils/constants.py

@@ -29,4 +29,39 @@ def is_free_version():
 
 def is_full_version():
     """Check if this is the full version."""
-    return VERSION_TYPE == "full"
+    return VERSION_TYPE == "full"
+
+def sync_margin_values(props, margin_type='all'):
+    """Synchronize margin values across properties
+    
+    Args:
+        props: Properties object containing margin values
+        margin_type: Type of margin sync ('all', 'horizontal', 'vertical')
+    """
+    if not props:
+        return
+        
+    try:
+        # Get base margin value
+        base_margin = getattr(props, 'text_fitting_margin', 10.0)
+        
+        if margin_type == 'all':
+            # Sync all margins to base margin
+            if hasattr(props, 'prepend_margin'):
+                props.prepend_margin = base_margin
+            if hasattr(props, 'append_margin'):
+                props.append_margin = base_margin
+                
+        elif margin_type == 'horizontal':
+            # Sync horizontal margins
+            if hasattr(props, 'prepend_margin') and hasattr(props, 'append_margin'):
+                avg_margin = (props.prepend_margin + props.append_margin) / 2
+                props.prepend_margin = avg_margin
+                props.append_margin = avg_margin
+                
+        elif margin_type == 'vertical':
+            # Sync vertical margins (if any exist in future)
+            pass
+            
+    except Exception as e:
+        print(f"Warning: Failed to sync margin values: {e}")