Add an option to disable bidirectional support

@@ -6,6 +6,7 @@
 - Add support for existing reference objects
 - Add support for existing reference objects
 - Update barcode golden pdf
 - Update barcode golden pdf
 - Add support for hyphenation [ilja]
 - Add support for hyphenation [ilja]
+- Add an option to disable bidirectional support [Olzhas-Suleimen]
 
 
 ## 3.10.7
 ## 3.10.7
 
 

@@ -22,6 +22,7 @@ import 'dart:typed_data';
 
 
 import 'package:meta/meta.dart';
 import 'package:meta/meta.dart';
 
 
+import '../options.dart';
 import 'bidi_utils.dart' as bidi;
 import 'bidi_utils.dart' as bidi;
 import 'font_metrics.dart';
 import 'font_metrics.dart';
 
 
@@ -323,7 +324,7 @@ class TtfParser {
         /// Having both the unicode and the isolated form code
         /// Having both the unicode and the isolated form code
         /// point to the same glyph index because some fonts
         /// point to the same glyph index because some fonts
         /// do not have a glyph for the isolated form.\
         /// do not have a glyph for the isolated form.\
-        if (bidi.basicToIsolatedMappings.containsKey(c)) {
+        if (useBidi && bidi.basicToIsolatedMappings.containsKey(c)) {
           charToGlyphIndexMap[bidi.basicToIsolatedMappings[c]!] = glyphIndex;
           charToGlyphIndexMap[bidi.basicToIsolatedMappings[c]!] = glyphIndex;
         }
         }
       }
       }

@@ -28,6 +28,7 @@ import '../format/name.dart';
 import '../format/num.dart';
 import '../format/num.dart';
 import '../format/stream.dart';
 import '../format/stream.dart';
 import '../format/string.dart';
 import '../format/string.dart';
+import '../options.dart';
 import 'font.dart';
 import 'font.dart';
 import 'font_descriptor.dart';
 import 'font_descriptor.dart';
 import 'object.dart';
 import 'object.dart';
@@ -78,7 +79,7 @@ class PdfTtfFont extends PdfFont {
       return PdfFontMetrics.zero;
       return PdfFontMetrics.zero;
     }
     }
 
 
-    if (bidi.isArabicDiacriticValue(charCode)) {
+    if (useBidi && bidi.isArabicDiacriticValue(charCode)) {
       final metric = font.glyphInfoMap[g] ?? PdfFontMetrics.zero;
       final metric = font.glyphInfoMap[g] ?? PdfFontMetrics.zero;
       return metric.copyWith(advanceWidth: 0);
       return metric.copyWith(advanceWidth: 0);
     }
     }

+/// Whether to use the Bidi algorithm to detect RTL text.
+const bool useBidi = bool.fromEnvironment('use_bidi', defaultValue: true);

@@ -20,6 +20,7 @@ import 'package:meta/meta.dart';
 
 
 import '../../pdf.dart';
 import '../../pdf.dart';
 import '../pdf/font/bidi_utils.dart' as bidi;
 import '../pdf/font/bidi_utils.dart' as bidi;
+import '../pdf/options.dart';
 import 'annotations.dart';
 import 'annotations.dart';
 import 'basic.dart';
 import 'basic.dart';
 import 'document.dart';
 import 'document.dart';
@@ -928,7 +929,7 @@ class RichText extends Widget with SpanningWidget {
           final space =
           final space =
               font.stringMetrics(' ') * (style.fontSize! * textScaleFactor);
               font.stringMetrics(' ') * (style.fontSize! * textScaleFactor);
 
 
-          final spanLines = (_textDirection == TextDirection.rtl
+          final spanLines = (useBidi && _textDirection == TextDirection.rtl
                   ? bidi.logicalToVisual(span.text!)
                   ? bidi.logicalToVisual(span.text!)
                   : span.text)!
                   : span.text)!
               .split('\n');
               .split('\n');