BarcodeWidget class
Draw a barcode using String data
- Inheritance
-
- Object
- Widget
- StatelessWidget
- BarcodeWidget
Constructors
- BarcodeWidget({required String data, required Barcode barcode, PdfColor color = PdfColors.black, PdfColor? backgroundColor, BoxDecoration? decoration, EdgeInsets? margin, EdgeInsets? padding, double? width, double? height, bool drawText = true, TextStyle? textStyle, double textPadding = 0})
- Create a BarcodeWidget
- BarcodeWidget.fromBytes({required Uint8List data, required Barcode barcode, PdfColor color = PdfColors.black, PdfColor? backgroundColor, BoxDecoration? decoration, EdgeInsets? margin, EdgeInsets? padding, double? width, double? height, bool drawText = true, TextStyle? textStyle, double textPadding = 0})
- Draw a barcode using Uint8List data
Properties
- backgroundColor → PdfColor?
-
The background color.
this should be white or really light color
final
- barcode → Barcode
-
The type of barcode to use.
use:
final
- box ↔ PdfRect?
-
The bounding box of this widget, calculated at layout time
getter/setter pairinherited
- canSpan → bool
-
no setterinherited
- color → PdfColor
-
The bars color
should be black or really dark color
final
- data → Uint8List
-
no setter
- dataBytes → Uint8List?
-
final
- dataString → String?
-
the barcode data
final
- decoration → BoxDecoration?
-
Decoration to apply to the barcode
final
- drawText → bool
-
Whether to draw the text with the barcode
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasMoreWidgets → bool
-
no setterinherited
- height → double?
-
Height of the barcode with padding
final
- margin → EdgeInsets?
-
Margin to apply
final
- padding → EdgeInsets?
-
Padding to apply
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- textPadding → double
-
Padding to add between the text and the barcode
final
- textStyle → TextStyle?
-
Text style to use to draw the text
final
- width → double?
-
Width of the barcode with padding
final
Methods
-
applyContext(
covariant WidgetContext context) → void -
Called before relayout to restore the saved state and
restart the layout in the same conditions
inherited
-
build(
Context context) → Widget -
override
-
cloneContext(
) → WidgetContext -
Called after layout to save the state
inherited
-
debugPaint(
Context context) → void -
inherited
-
layout(
Context context, BoxConstraints constraints, {bool parentUsesSize = false}) → void -
First widget pass to calculate the children layout and
bounding box
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
paint(
Context context) → void -
Draw itself and its children, according to the calculated
box.offset
inherited -
restoreContext(
covariant WidgetContext context) → void -
Apply the context for next page layout.
Called before layout to prepare for next page
inherited
-
saveContext(
) → WidgetContext -
Get unmodified mutable context object
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited