QrRsBlock class
Constructors
new QrRsBlock(int totalCount, int dataCount) #
QrRsBlock(this.totalCount, this.dataCount);
Static Methods
List<QrRsBlock> getRSBlocks(int typeNumber, int errorCorrectLevel) #
static List<QrRsBlock> getRSBlocks(int typeNumber, int errorCorrectLevel) { final rsBlock = getRsBlockTable(typeNumber, errorCorrectLevel); final int length = rsBlock.length ~/ 3; final list = new List<QrRsBlock>(); for (var i = 0; i < length; i++) { var count = rsBlock[i * 3 + 0]; var totalCount = rsBlock[i * 3 + 1]; var dataCount = rsBlock[i * 3 + 2]; for (var j = 0; j < count; j++) { list.add(new QrRsBlock(totalCount, dataCount)); } } return list; }
List<int> getRsBlockTable(int typeNumber, int errorCorrectLevel) #
static List<int> getRsBlockTable(int typeNumber, int errorCorrectLevel) { switch (errorCorrectLevel) { case QrErrorCorrectLevel.L: return _rsBlockTable[(typeNumber - 1) * 4 + 0]; case QrErrorCorrectLevel.M: return _rsBlockTable[(typeNumber - 1) * 4 + 1]; case QrErrorCorrectLevel.Q: return _rsBlockTable[(typeNumber - 1) * 4 + 2]; case QrErrorCorrectLevel.H: return _rsBlockTable[(typeNumber - 1) * 4 + 3]; default: throw 'bad rs block @ typeNumber: $typeNumber/errorCorrectLevel:$errorCorrectLevel'; } }
Methods
bool operator ==(other) #
The equality operator.
The default behavior for all Object
s is to return true if and
only if this
and
other are the same object.
If a subclass overrides the equality operator it should override
the hashCode
method as well to maintain consistency.
bool operator ==(other) => identical(this, other);
int hashCode() #
Get a hash code for this object.
All objects have hash codes. Hash codes are guaranteed to be the
same for objects that are equal when compared using the equality
operator ==
. Other than that there are no guarantees about
the hash codes. They will not be consistent between runs and
there are no distribution guarantees.
If a subclass overrides hashCode
it should override the
equality operator as well to maintain consistency.
external int hashCode();
noSuchMethod(String name, List args) #
noSuchMethod
is invoked when users invoke a non-existant method
on an object. The name of the method and the arguments of the
invocation are passed to noSuchMethod
. If noSuchMethod
returns a value, that value becomes the result of the original
invocation.
The default behavior of noSuchMethod
is to throw a
noSuchMethodError
.
external Dynamic noSuchMethod(String name, List args);
Type get runtimeType() #
A representation of the runtime type of the object.
external Type get runtimeType;
String toString() #
Returns a string representation of this object.
external String toString();