Fix Align debug painting

 # Changelog
 
+## 1.5.0
+
+- Fix Align debug painting
+
 ## 1.4.1
 
 - Update dependency to barcode ^1.5.0

@@ -333,9 +333,8 @@ class Align extends SingleChildWidget {
       return;
     }
 
-    if (child.box.bottom > box.bottom) {
-      final double headSize =
-          math.min((child.box.bottom - box.bottom) * 0.2, 10);
+    if (child.box.bottom > 0) {
+      final double headSize = math.min((child.box.bottom) * 0.2, 10);
       context.canvas
         ..moveTo(
           box.left + child.box.horizondalCenter,
@@ -366,8 +365,8 @@ class Align extends SingleChildWidget {
             box.bottom + child.box.top + headSize);
     }
 
-    if (child.box.left > box.left) {
-      final double headSize = math.min((child.box.left - box.left) * 0.2, 10);
+    if (child.box.left > 0) {
+      final double headSize = math.min((child.box.left) * 0.2, 10);
       context.canvas
         ..moveTo(box.left, box.bottom + child.box.verticalCenter)
         ..lineTo(

@@ -4,7 +4,7 @@ description: A pdf producer for Dart. It can create pdf files for both web or fl
 homepage: https://github.com/DavBfr/dart_pdf/tree/master/pdf
 repository: https://github.com/DavBfr/dart_pdf
 issue_tracker: https://github.com/DavBfr/dart_pdf/issues
-version: 1.4.1
+version: 1.5.0
 
 environment:
   sdk: ">=2.3.0 <3.0.0"