UrScanner class
Accumulates camera frames into a UR. Synchronous and non-throwing on the feed path (safe to call from camera callbacks); malformed frames come back as typed rejections, never exceptions.
- Implementers
Constructors
- UrScanner([UrScannerOptions? options])
Properties
- framesExpected → int
-
Frames the bound stream declares.
no setter
- framesReceived → int
-
Frames received so far.
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- isComplete → bool
-
Whether the UR is fully assembled.
no setter
- lastRejection → ScanRejection?
-
The most recent rejection, or null.
no setter
- progress → double
-
Assembly progress in
[0, 1].no setter - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- urType → String?
-
The UR type of the bound stream, or null until one binds.
no setter
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
receivePart(
String frame) → ScanFeedResult - Feed one scanned frame.
-
result(
) → Ur -
The assembled UR. Throws
incomplete-scanuntil done. -
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited