Fix BarcodeWidget positioning

 # Changelog
 
-## 1.3.30
+## 1.4.0
 
 - Improve BarcodeWidget
+- Fix BarcodeWidget positioning
+- Update dependency to barcode ^1.4.0
 
 ## 1.3.29
 

@@ -61,7 +61,7 @@ class _BarcodeWidget extends Widget {
         if (element.black) {
           context.canvas.drawRect(
             box.left + element.left,
-            box.top + element.top - element.height,
+            box.top - element.top - element.height,
             element.width,
             element.height,
           );
@@ -81,15 +81,28 @@ class _BarcodeWidget extends Widget {
       for (BarcodeText text in textList) {
         final PdfFontMetrics metrics = font.stringMetrics(text.text);
 
-        final double left = text.left +
-            box.left +
-            (text.width - metrics.width * text.height) / 2;
-
         final double top = box.top -
             text.top -
             metrics.descent * textStyle.fontSize -
             text.height;
 
+        double left;
+        switch (text.align) {
+          case BarcodeTextAlign.left:
+            left = text.left + box.left;
+            break;
+          case BarcodeTextAlign.center:
+            left = text.left +
+                box.left +
+                (text.width - metrics.width * text.height) / 2;
+            break;
+          case BarcodeTextAlign.right:
+            left = text.left +
+                box.left +
+                (text.width - metrics.width * text.height);
+            break;
+        }
+
         context.canvas
           ..setFillColor(textStyle.color)
           ..drawString(

@@ -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: 1.3.30
+version: 1.4.0
 
 environment:
   sdk: ">=2.3.0 <3.0.0"
@@ -16,7 +16,7 @@ dependencies:
   crypto: ^2.0.6
   archive: ^2.0.10
   qr: ^1.2.0
-  barcode: ^1.0.0
+  barcode: ^1.4.0
 
 dev_dependencies:
   test:

@@ -44,7 +44,7 @@ Widget barcode(Barcode barcode, String data) {
           height: 80,
           margin: const EdgeInsets.symmetric(vertical: 20),
           padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 3),
-          decoration: BoxDecoration(
+          decoration: const BoxDecoration(
             border: BoxBorder(
               color: PdfColors.blue,
               top: true,
@@ -93,7 +93,7 @@ void main() {
           decoration: BoxDecoration(
               borderRadius: 20,
               color: PdfColors.white,
-              border: BoxBorder(
+              border: const BoxBorder(
                 color: PdfColors.blue,
                 top: true,
                 bottom: true,