BarcodeDataMatrix class
Data Matrix
A Data Matrix is a two-dimensional barcode consisting of black and white "cells" or modules arranged in either a square or rectangular pattern, also known as a matrix.
Constructors
- BarcodeDataMatrix()
-
Create a BarcodeDataMatrix object
const
Properties
-
charSet
→ Iterable<
int> -
Returns the list of accepted codePoints for this CodeType
no setteroverride
- hashCode → int
-
The hash code for this object.
no setterinherited
- maxLength → int
-
Returns maximum number of characters this CodeType can encode
no setteroverride
- minLength → int
-
Returns minimum number of characters this CodeType can encode
no setterinherited
- name → String
-
Returns the name of this CodeType
no setteroverride
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
convert(
Uint8List data) → Barcode2DMatrix -
Actual barcode computation method, returns a matrix of bool
which represents the presence or absence of a pixel
override
-
isValid(
String data) → bool -
Check if the Barcode is valid
inherited
-
isValidBytes(
Uint8List data) → bool -
Check if the Barcode is valid
inherited
-
make(
String data, {required double width, required double height, bool drawText = false, double? fontHeight, double? textPadding}) → Iterable< BarcodeElement> -
Main method to produce the barcode graphic description.
Returns a stream of drawing operations required to properly
display the barcode as a UTF-8 string.
override
-
makeBytes(
Uint8List data, {required double width, required double height, bool drawText = false, double? fontHeight, double? textPadding}) → Iterable< BarcodeElement> -
Generate the barcode graphic description like make but takes a
Uint8List data.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toHex(
String data) → String -
Computes a hexadecimal representation of the barcode, mostly for
testing purposes
inherited
-
toString(
) → String -
A string representation of this object.
inherited
-
toSvg(
String data, {double x = 0, double y = 0, double width = 200, double height = 80, bool drawText = true, String fontFamily = 'monospace', double? fontHeight, double? textPadding, int color = 0x000000, bool fullSvg = true, double baseline = .75}) → String -
Create an SVG file with this Barcode from String data
inherited
-
toSvgBytes(
Uint8List data, {double x = 0, double y = 0, double width = 200, double height = 80, bool drawText = true, String fontFamily = 'monospace', double? fontHeight, double? textPadding, int color = 0x000000, bool fullSvg = true, double baseline = .75}) → String -
Create an SVG file with this Barcode from Uint8List data
inherited
-
verify(
String data) → void -
Check if the Barcode is valid. Throws BarcodeException with a proper
message in case of error
inherited
-
verifyBytes(
Uint8List data) → void -
Check if the Barcode is valid. Throws BarcodeException with a proper
message in case of error
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited