Typos & Style clean up (#42006)

packages/flutter/lib/src/rendering/paragraph.dart

@@ -110,7 +110,7 @@ class RenderParagraph extends RenderBox
 
   final TextPainter _textPainter;
 
-  /// The text to display
+  /// The text to display.
   InlineSpan get text => _textPainter.text;
   set text(InlineSpan value) {
     assert(value != null);
@@ -220,11 +220,12 @@ class RenderParagraph extends RenderBox
     markNeedsLayout();
   }
 
-  /// An optional maximum number of lines for the text to span, wrapping if necessary.
-  /// If the text exceeds the given number of lines, it will be truncated according
-  /// to [overflow] and [softWrap].
+  /// An optional maximum number of lines for the text to span, wrapping if
+  /// necessary. If the text exceeds the given number of lines, it will be
+  /// truncated according to [overflow] and [softWrap].
   int get maxLines => _textPainter.maxLines;
-  /// The value may be null. If it is not null, then it must be greater than zero.
+  /// The value may be null. If it is not null, then it must be greater than
+  /// zero.
   set maxLines(int value) {
     assert(value == null || value > 0);
     if (_textPainter.maxLines == value)
@@ -234,10 +235,11 @@ class RenderParagraph extends RenderBox
     markNeedsLayout();
   }
 
-  /// Used by this paragraph's internal [TextPainter] to select a locale-specific
-  /// font.
+  /// Used by this paragraph's internal [TextPainter] to select a
+  /// locale-specific font.
   ///
-  /// In some cases the same Unicode character may be rendered differently depending
+  /// In some cases the same Unicode character may be rendered differently
+  /// depending
   /// on the locale. For example the '骨' character is rendered differently in
   /// the Chinese and Japanese locales. In these cases the [locale] may be used
   /// to select a locale-specific font.
@@ -318,11 +320,12 @@ class RenderParagraph extends RenderBox
     assert(constraints != null);
     assert(constraints.debugAssertIsValid());
     _layoutTextWithConstraints(constraints);
-    // TODO(garyq): Since our metric for ideographic baseline is currently inacurrate
-    // and the non-alphabetic baselines are based off of the alphabetic baseline, we
-    // use the alphabetic for now to produce correct layouts. We should eventually change
-    // this back to pass the `baseline` property when the ideographic baseline is properly
-    // implemented (https://github.com/flutter/flutter/issues/22625).
+    // TODO(garyq): Since our metric for ideographic baseline is currently
+    // inaccurate and the non-alphabetic baselines are based off of the
+    // alphabetic baseline, we use the alphabetic for now to produce correct
+    // layouts. We should eventually change this back to pass the `baseline`
+    // property when the ideographic baseline is properly implemented
+    // (https://github.com/flutter/flutter/issues/22625).
     return _textPainter.computeDistanceToActualBaseline(TextBaseline.alphabetic);
   }
 
@@ -412,8 +415,15 @@ class RenderParagraph extends RenderBox
     RenderBox child = firstChild;
     while (child != null) {
       final TextParentData textParentData = child.parentData;
-      final Matrix4 transform = Matrix4.translationValues(textParentData.offset.dx, textParentData.offset.dy, 0.0)
-        ..scale(textParentData.scale, textParentData.scale, textParentData.scale);
+      final Matrix4 transform = Matrix4.translationValues(
+        textParentData.offset.dx,
+        textParentData.offset.dy,
+        0.0,
+      )..scale(
+        textParentData.scale,
+        textParentData.scale,
+        textParentData.scale,
+      );
       final bool isHit = result.addWithPaintTransform(
         transform: transform,
         position: position,
@@ -464,7 +474,12 @@ class RenderParagraph extends RenderBox
 
   void _layoutText({ double minWidth = 0.0, double maxWidth = double.infinity }) {
     final bool widthMatters = softWrap || overflow == TextOverflow.ellipsis;
-    _textPainter.layout(minWidth: minWidth, maxWidth: widthMatters ? maxWidth : double.infinity);
+    _textPainter.layout(
+      minWidth: minWidth,
+      maxWidth: widthMatters ?
+        maxWidth :
+        double.infinity,
+    );
   }
 
   @override
@@ -500,7 +515,9 @@ class RenderParagraph extends RenderBox
       double baselineOffset;
       switch (_placeholderSpans[childIndex].alignment) {
         case ui.PlaceholderAlignment.baseline: {
-          baselineOffset = child.getDistanceToBaseline(_placeholderSpans[childIndex].baseline);
+          baselineOffset = child.getDistanceToBaseline(
+            _placeholderSpans[childIndex].baseline
+          );
           break;
         }
         default: {
@@ -618,11 +635,11 @@ class RenderParagraph extends RenderBox
   void paint(PaintingContext context, Offset offset) {
     // Ideally we could compute the min/max intrinsic width/height with a
     // non-destructive operation. However, currently, computing these values
-    // will destroy state inside the painter. If that happens, we need to
-    // get back the correct state by calling _layout again.
+    // will destroy state inside the painter. If that happens, we need to get
+    // back the correct state by calling _layout again.
     //
-    // TODO(abarth): Make computing the min/max intrinsic width/height
-    // a non-destructive operation.
+    // TODO(abarth): Make computing the min/max intrinsic width/height a
+    //  non-destructive operation.
     //
     // If you remove this call, make sure that changing the textAlign still
     // works properly.
@@ -640,8 +657,8 @@ class RenderParagraph extends RenderBox
     if (_needsClipping) {
       final Rect bounds = offset & size;
       if (_overflowShader != null) {
-        // This layer limits what the shader below blends with to be just the text
-        // (as opposed to the text and its background).
+        // This layer limits what the shader below blends with to be just the
+        // text (as opposed to the text and its background).
         context.canvas.saveLayer(bounds, Paint());
       } else {
         context.canvas.save();
@@ -819,7 +836,10 @@ class RenderParagraph extends RenderBox
     RenderBox child = firstChild;
     for (InlineSpanSemanticsInformation info in _combineSemanticsInfo()) {
       final TextDirection initialDirection = currentDirection;
-      final TextSelection selection = TextSelection(baseOffset: start, extentOffset: start + info.text.length);
+      final TextSelection selection = TextSelection(
+        baseOffset: start,
+        extentOffset: start + info.text.length,
+      );
       final List<ui.TextBox> rects = getBoxesForSelection(selection);
       if (rects.isEmpty) {
         continue;
@@ -887,7 +907,12 @@ class RenderParagraph extends RenderBox
 
   @override
   List<DiagnosticsNode> debugDescribeChildren() {
-    return <DiagnosticsNode>[text.toDiagnosticsNode(name: 'text', style: DiagnosticsTreeStyle.transition)];
+    return <DiagnosticsNode>[
+      text.toDiagnosticsNode(
+        name: 'text',
+        style: DiagnosticsTreeStyle.transition,
+      )
+    ];
   }
 
   @override
@@ -895,10 +920,30 @@ class RenderParagraph extends RenderBox
     super.debugFillProperties(properties);
     properties.add(EnumProperty<TextAlign>('textAlign', textAlign));
     properties.add(EnumProperty<TextDirection>('textDirection', textDirection));
-    properties.add(FlagProperty('softWrap', value: softWrap, ifTrue: 'wrapping at box width', ifFalse: 'no wrapping except at line break characters', showName: true));
+    properties.add(
+      FlagProperty(
+        'softWrap',
+        value: softWrap,
+        ifTrue: 'wrapping at box width',
+        ifFalse: 'no wrapping except at line break characters',
+        showName: true,
+      )
+    );
     properties.add(EnumProperty<TextOverflow>('overflow', overflow));
-    properties.add(DoubleProperty('textScaleFactor', textScaleFactor, defaultValue: 1.0));
-    properties.add(DiagnosticsProperty<Locale>('locale', locale, defaultValue: null));
+    properties.add(
+      DoubleProperty(
+        'textScaleFactor',
+        textScaleFactor,
+        defaultValue: 1.0,
+      )
+    );
+    properties.add(
+      DiagnosticsProperty<Locale>(
+        'locale',
+        locale,
+        defaultValue: null,
+      )
+    );
     properties.add(IntProperty('maxLines', maxLines, ifNull: 'unlimited'));
   }
 }