fix overriden text scale

ik-make · ik-make · commit 09364ad478ba · 2023-04-13T21:47:08.000+03:00
diff --git a/lib/html_parser.dart b/lib/html_parser.dart
@@ -121,6 +121,7 @@ class HtmlParser extends StatefulWidget {
           child: CssBoxWidget(
             style: tree.style,
             shrinkWrap: newContext.parser.shrinkWrap,
+            overriddenTextScaleFactor: textScaleFactor,
             childIsReplaced: true, //TODO is this true?
             child: customRenders[entry]!.widget!.call(newContext, buildChildren),
           ),
diff --git a/lib/src/css_box_widget.dart b/lib/src/css_box_widget.dart
@@ -9,6 +9,7 @@ class CssBoxWidget extends StatelessWidget {
     super.key,
     required this.child,
     required this.style,
+    this.overriddenTextScaleFactor,
     this.textDirection,
     this.childIsReplaced = false,
     this.shrinkWrap = false,
@@ -23,6 +24,7 @@ class CssBoxWidget extends StatelessWidget {
     this.textDirection,
     this.childIsReplaced = false,
     this.shrinkWrap = false,
+    this.overriddenTextScaleFactor,
     bool selectable = false,
     TextSelectionControls? selectionControls,
     ScrollPhysics? scrollPhysics,
@@ -39,6 +41,10 @@ class CssBoxWidget extends StatelessWidget {
   /// The child to be rendered within the CSS Box.
   final Widget child;
 
+  /// The [overriddenTextScaleFactor] variable stores a value representing the text scale factor. This overrides the system's default text scale factor and is used to scale the text size
+  /// If this variable is not set, the application will use the default text scale factor provided by [MediaQuery.textScaleFactorOf].
+  final double? overriddenTextScaleFactor;
+
   /// The style to use to compute this box's margins/padding/box decoration/width/height/etc.
   ///
   /// Note that this style will only apply to this box, and will not cascade to its child.
@@ -87,6 +93,11 @@ class CssBoxWidget extends StatelessWidget {
     );
   }
 
+  double _calculateEmValue(Style style, BuildContext buildContext) {
+    final scaleFactor = overriddenTextScaleFactor ?? MediaQuery.textScaleFactorOf(buildContext);
+    return (style.fontSize?.emValue ?? 16) * scaleFactor * MediaQuery.of(buildContext).devicePixelRatio;
+  }
+
   /// Takes a list of InlineSpan children and generates a Text.rich Widget
   /// containing those children.
   static Widget _generateWidgetChild(BuildContext context, List<InlineSpan> children, Style style) {
@@ -711,10 +722,6 @@ extension Normalize on Dimension {
   }
 }
 
-double _calculateEmValue(Style style, BuildContext buildContext) {
-  return (style.fontSize?.emValue ?? 16) * MediaQuery.textScaleFactorOf(buildContext) * MediaQuery.of(buildContext).devicePixelRatio;
-}
-
 class CSSBoxParentData extends ContainerBoxParentData<RenderBox> {}
 
 class _Sizes {
