LineChartLayoutSection class
HostConfig chartsLayout.line section.
Override fields in host JSON or build in code, then call toLayout at render time (or use ChartsLayoutConfig.resolveLineLayout).
Constructors
- LineChartLayoutSection({required double height, required double emptyMinX, required double emptyMaxX, required double emptyMinY, required double emptyMaxY, required double degenerateRangeBump, required double zeroRangeFallback, required double yAxisPaddingFactor, required bool isCurved, required double barWidth, required bool isStrokeCapRound, required bool showDots, required bool showAreaBelow, required bool showTitles, required bool showRightTitles, required bool showTopTitles, required bool showGrid, required bool showBorder, required Color borderColor, required double borderWidth})
-
HostConfig overrides for line chart layout.
const
-
LineChartLayoutSection.fromJson(Map<
String, dynamic> json, {LineChartLayoutSection? defaults}) -
Parses
chartsLayout.linefrom HostConfig JSON.factory
Properties
- barWidth → double
-
Line stroke width (fl_chart
barWidthon line charts).final - borderColor → Color
-
Plot border color when showBorder is true.
final
- borderWidth → double
-
Plot border stroke width when showBorder is true.
final
- degenerateRangeBump → double
-
Padding added when the computed Y range is zero (flat series).
final
- emptyMaxX → double
-
Placeholder maximum X when the series has no data.
final
- emptyMaxY → double
-
Placeholder maximum Y when the series has no data.
final
- emptyMinX → double
-
Placeholder minimum X when the series has no data.
final
- emptyMinY → double
-
Placeholder minimum Y when the series has no data.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- height → double
-
Chart area height in logical pixels.
final
- isCurved → bool
-
Whether line segments render as curves instead of straight segments.
final
- isStrokeCapRound → bool
-
Whether line caps render with rounded ends.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- showAreaBelow → bool
-
Whether the area below the line is filled.
final
- showBorder → bool
-
Whether a border is drawn around the plot area.
final
- showDots → bool
-
Whether data points render as visible dots.
final
- showGrid → bool
-
Whether grid lines are drawn behind the series.
final
- showRightTitles → bool
-
Whether right-side axis titles are shown.
final
- showTitles → bool
-
Master switch for axis title visibility.
final
- showTopTitles → bool
-
Whether top axis titles are shown.
final
- yAxisPaddingFactor → double
-
Multiplier applied to Y range for headroom above/below data.
final
- zeroRangeFallback → double
-
Fallback Y span when the computed range is zero.
final
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toLayout(
) → LineChartLayout - Resolved values for chart widgets at render time.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited