Can print rows/cols with mixed chinese/non-chinese texts.

lib/src/pos_column.dart

@@ -12,6 +12,7 @@ import 'pos_styles.dart';
 class PosColumn {
   PosColumn({
     this.text = '',
+    this.containsChinese = false,
     this.width = 2,
     this.styles = const PosStyles(),
   }) {
@@ -21,6 +22,7 @@ class PosColumn {
   }
 
   String text;
+  bool containsChinese;
   int width;
   PosStyles styles;
 }

lib/src/printer.dart

@@ -165,19 +165,14 @@ class Printer {
     }
   }
 
-  /// Prints one line of styled mixed (chinese and latin symbols) text
-  void _printlnMixedKanji(
-    String text, {
-    PosStyles styles = const PosStyles(),
-    int linesAfter = 0,
-  }) {
-    // Break text into lexemes
-    final List<String> lexemes = [];
-    final List<bool> isLexemeChinese = [];
+  /// Break text into chinese/non-chinese lexemes
+  List _getLexemes(String text) {
     bool _isChinese(String ch) {
       return ch.codeUnitAt(0) > 255 ? true : false;
     }
 
+    final List<String> lexemes = [];
+    final List<bool> isLexemeChinese = [];
     int start = 0;
     int end = 0;
     bool curLexemeChinese = _isChinese(text[0]);
@@ -195,6 +190,19 @@ class Printer {
     lexemes.add(text.substring(start, end + 1));
     isLexemeChinese.add(curLexemeChinese);
 
+    return <dynamic>[lexemes, isLexemeChinese];
+  }
+
+  /// Prints one line of styled mixed (chinese and latin symbols) text
+  void _printlnMixedKanji(
+    String text, {
+    PosStyles styles = const PosStyles(),
+    int linesAfter = 0,
+  }) {
+    final list = _getLexemes(text);
+    final List<String> lexemes = list[0];
+    final List<bool> isLexemeChinese = list[1];
+
     // Print each lexeme using codetable OR kanji
     for (var i = 0; i < lexemes.length; ++i) {
       _print(
@@ -250,12 +258,29 @@ class Printer {
     for (int i = 0; i < cols.length; ++i) {
       final colInd =
           cols.sublist(0, i).fold(0, (int sum, col) => sum + col.width);
+      if (!cols[i].containsChinese) {
         _print(
           cols[i].text,
           styles: cols[i].styles,
           colInd: colInd,
           colWidth: cols[i].width,
         );
+      } else {
+        final list = _getLexemes(cols[i].text);
+        final List<String> lexemes = list[0];
+        final List<bool> isLexemeChinese = list[1];
+
+        // Print each lexeme using codetable OR kanji
+        for (var j = 0; j < lexemes.length; ++j) {
+          _print(
+            lexemes[j],
+            styles: cols[i].styles,
+            colInd: colInd,
+            colWidth: cols[i].width,
+            kanjiOff: !isLexemeChinese[j],
+          );
+        }
+      }
     }
 
     _socket.writeln();