FixedMetricsTextLayoutEngine class final
Deterministic headless bootstrap measurement. Flutter canvases supply a platform paragraph shaper through the same placement engine.
- Inheritance
-
- Object
- DiagramParagraphTextLayoutEngine
- FixedMetricsTextLayoutEngine
Constructors
- FixedMetricsTextLayoutEngine({double characterWidth = 7.5, double lineHeight = diagramDefaultLineHeight, double blockSpacing = diagramDefaultBlockSpacing, double listIndent = 22})
-
const
Properties
- blockSpacing → double
-
finalinherited
- characterWidth → double
-
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- lineHeight → double
-
final
- listIndent → double
-
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
layout(
{required TextStory story, required DiagramRect clipBounds, required int revisionKey, List< DiagramTextRegionLayout> regions = const []}) → ResolvedTextStory -
inherited
-
measureBlock(
TextParagraph block, DiagramTextRegionLayout region, double availableWidth) → List< DiagramMeasuredTextLine> -
Shapes every block into at least one finite, positive-height visual line,
including an empty block. Offsets remain relative to canonical block text.
The same line metrics drive placement, carets, selection and owner growth.
override
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited