EscCommand class

Constructors

EscCommand.new()

Properties

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

Methods

cleanCommand() → Future<void>
Clean command buffer. This method must be called before calling any other method, otherwise the command buffer will be invalid.
code128({required String content, int width = 2, int height = 60, Alignment alignment = Alignment.left, HriPosition hriPosition = HriPosition.below}) → Future<void>
Sends a Code 128 command to the printer with specified parameters.
cutPaper() → Future<void>
Cuts the paper after printing. This method is used to cut the paper after printing and is only supported by some printers. The method communicates with the printer through a method channel.
getCommand() → Future<Uint8List?>
Get the current command buffer. If the command buffer is empty, return null.
image({required Uint8List image, Alignment alignment = Alignment.left}) → Future<void>
Sends an image command to the printer with specified parameters.
newline() → Future<void>
Sends a newline command to the printer.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
print({int feedLines = 4}) → Future<void>
Prints the current buffer and feeds the paper by the specified number of lines. The method communicates with the printer through a method channel.
qrCode({required String content, int size = 3, Alignment alignment = Alignment.left}) → Future<void>
Sends a QR code command to the printer with specified parameters.
sound({int number = 1, int time = 3}) → Future<void>
Sends a sound command to the printer.
text({required String content, Alignment alignment = Alignment.left, EscTextStyle style = EscTextStyle.default_, EscFontSize fontSize = EscFontSize.default_}) → Future<void>
Sends a text command to the printer with specified parameters.
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited