[BUGFIX] Wrong left offset when spacers disabled

barcode/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 2.2.9
+
+- Fixed wrong left text position for CODE 39 with spacers disabled [NicolaVerbeeck]
+
 ## 2.2.8
 
 - Add option to turn off spacers for CODE 39 [NicolaVerbeeck]

barcode/lib/src/code39.dart

@@ -67,9 +67,10 @@ class BarcodeCode39 extends Barcode1D {
   ) sync* {
     final text = drawSpacers ? '*$data*' : data;
 
+    final additionalOffset = drawSpacers ? 0 : 1;
     for (var i = 0; i < text.length; i++) {
       yield BarcodeText(
-        left: lineWidth * BarcodeMaps.code39Len * i,
+        left: lineWidth * BarcodeMaps.code39Len * (i + additionalOffset),
         top: height - fontHeight,
         width: lineWidth * BarcodeMaps.code39Len,
         height: fontHeight,

barcode/pubspec.yaml

@@ -5,7 +5,7 @@ description: >-
 homepage: https://github.com/DavBfr/dart_barcode/tree/master/barcode
 repository: https://github.com/DavBfr/dart_barcode
 issue_tracker: https://github.com/DavBfr/dart_barcode/issues
-version: 2.2.8
+version: 2.2.9
 
 environment:
   sdk: ">=2.12.0 <4.0.0"

barcode/test/code39_test.dart

@@ -74,6 +74,8 @@ void main() {
 
     final textElements = elements.whereType<BarcodeText>();
 
+    // If we don't draw spacers, the text starts after the imaginary first spacer
+    expect(textElements.first.left, isNonZero);
     expect(textElements.any((element) => element.text.contains('*')), false);
   });
 
@@ -84,6 +86,8 @@ void main() {
 
     final textElements = elements.whereType<BarcodeText>();
 
+    // If we do draw spacers, the text starts at the start of the barcode
+    expect(textElements.first.left, isZero);
     expect(textElements.first.text, '*');
     expect(textElements.last.text, '*');
   });