ESCPOSCommands class

Constructors

ESCPOSCommands.new()

Properties

hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

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

Static Methods

convertImageToMonochrome(Image image) → Uint8List
Convert image to 1-bit black and white
feedLines(int lines) → List<int>
packBitsIntoBytes(List<int> bits) → Uint8List
Pack bits into bytes for thermal printer format
printCode128(String data) → List<int>
Print Code 128 barcode
printCode39(String data) → List<int>
Print Code 39 barcode
printColumnImage(Uint8List imageData, int width, int height) → List<int>
Print image using ESC * command (column format)
printEAN13(String data) → List<int>
Print EAN13 barcode
printQRCode(String data, {QRSize size = QRSize.size4, QRCorrection correction = QRCorrection.M}) → List<int>
Print QR code
printRasterImage(Uint8List imageData, int width, int height) → List<int>
Print raster image using GS v 0 command
setBarcodeHeight(int height) → List<int>
Set barcode height
setBarcodeWidth(int width) → List<int>
Set barcode width
setHRIFont(HRIFont font) → List<int>
Set HRI font
setHRIPosition(HRIPosition position) → List<int>
Set HRI (Human Readable Interpretation) position
setLeftMargin(int margin) → List<int>
setPrintWidth(PaperSize paperSize) → List<int>

Constants

alignCenter → const List<int>
alignLeft → const List<int>
alignRight → const List<int>
boldOff → const List<int>
boldOn → const List<int>
cutFull → const List<int>
cutPartial → const List<int>
fontBig → const List<int>
fontCompressed → const List<int>
fontDoubleHeight → const List<int>
fontDoubleWidth → const List<int>
fontNormal → const List<int>
init → const List<int>
underlineOff → const List<int>
underlineOn → const List<int>