Uint8ClampedList abstract class

A fixed-length list of 8-bit unsigned integers.

For long lists, this implementation can be considerably more space- and time-efficient than the default List implementation.

Integers stored in the list are clamped to an unsigned eight bit value. That is, all values below zero are stored as zero and all values above 255 are stored as 255.

Implements

List<int>
TypedData

Constants

BYTES_PER_ELEMENT → int: 1

Constructors

Uint8ClampedList(int length) factory: Creates a Uint8ClampedList of the specified length (in elements), all of whose elements are initially zero.
Uint8ClampedList.fromList(List<int> elements) factory: Creates a Uint8ClampedList of the same size as the elements list and copies over the values clamping when needed.
Uint8ClampedList.view(ByteBuffer buffer, [ int offsetInBytes = 0, int length ]) factory: Creates a Uint8ClampedList view of the specified region in the specified byte buffer.

Properties

buffer → ByteBuffer read-only, inherited: Returns the byte buffer associated with this object.
elementSizeInBytes → int read-only, inherited: Returns the number of bytes in the representation of each element in this list.
first → int read-only, inherited: Returns the first element.
hashCode → int read-only, inherited: The hash code for this object.
isEmpty → bool read-only, inherited: Returns true if there are no elements in this collection.
isNotEmpty → bool read-only, inherited: Returns true if there is at least one element in this collection.
iterator → Iterator<int> read-only, inherited: Returns a new Iterator that allows iterating the elements of this Iterable.
last → int read-only, inherited: Returns the last element.
length → int read / write, inherited: Returns the number of objects in this list.
lengthInBytes → int read-only, inherited: Returns the length of this view, in bytes.
offsetInBytes → int read-only, inherited: Returns the offset in bytes into the underlying byte buffer of this view.
reversed → Iterable<int> read-only, inherited: Returns an Iterable of the objects in this list in reverse order.
runtimeType → Type read-only, inherited: A representation of the runtime type of the object.
single → int read-only, inherited: Checks that this iterable has only one element, and returns that element.

Operators

operator ==(other) → bool inherited: The equality operator.
operator [](int index) → int inherited: Returns the object at the given index in the list or throws a RangeError if index is out of bounds.
operator []=(int index, int value) → void inherited: Sets the value at the given index in the list to value or throws a RangeError if index is out of bounds.

Methods

add(int value) → void inherited: Adds value to the end of this list, extending the length by one.
addAll(Iterable<int> iterable) → void inherited: Appends all objects of iterable to the end of this list.
any(bool f(E element)) → bool inherited: Checks whether any element of this iterable satisfies test.
asMap() → Map<int, int> inherited: Returns an unmodifiable Map view of this.
clear() → void inherited: Removes all objects from this list; the length of the list becomes zero.
contains(Object element) → bool inherited: Returns true if the collection contains an element equal to element.
elementAt(int index) → int inherited: Returns the indexth element.
every(bool f(E element)) → bool inherited: Checks whether every element of this iterable satisfies test.
expand<T>(Iterable<T> f(E element)) → Iterable<T> inherited: Expands each element of this Iterable into zero or more elements.
fillRange(int start, int end, [ int fillValue ]) → void inherited: Sets the objects in the range start inclusive to end exclusive to the given fillValue.
firstWhere(bool test(E element), { int orElse() }) → int inherited: Returns the first element that satisfies the given predicate test.
fold<T>(T initialValue, T combine(T previousValue, E element)) → T inherited: Reduces a collection to a single value by iteratively combining each element of the collection with an existing value
forEach(void f(E element)) → void inherited: Applies the function f to each element of this collection in iteration order.
getRange(int start, int end) → Iterable<int> inherited: Returns an Iterable that iterates over the objects in the range start inclusive to end exclusive.
indexOf(int element, [ int start = 0 ]) → int inherited: Returns the first index of element in this list.
insert(int index, int element) → void inherited: Inserts the object at position index in this list.
insertAll(int index, Iterable<int> iterable) → void inherited: Inserts all objects of iterable at position index in this list.
join([String separator = "" ]) → String inherited: Converts each element to a String and concatenates the strings.
lastIndexOf(int element, [ int start ]) → int inherited: Returns the last index of element in this list.
lastWhere(bool test(E element), { int orElse() }) → int inherited: Returns the last element that satisfies the given predicate test.
map<T>(T f(E e)) → Iterable<T> inherited: Returns a new lazy Iterable with elements that are created by calling f on each element of this Iterable in iteration order.
noSuchMethod(Invocation invocation) → dynamic inherited: Invoked when a non-existent method or property is accessed.
reduce(int combine(E value, E element)) → int inherited: Reduces a collection to a single value by iteratively combining elements of the collection using the provided function.
remove(Object value) → bool inherited: Removes the first occurrence of value from this list.
removeAt(int index) → int inherited: Removes the object at position index from this list.
removeLast() → int inherited: Pops and returns the last object in this list.
removeRange(int start, int end) → void inherited: Removes the objects in the range start inclusive to end exclusive.
removeWhere(bool test(E element)) → void inherited: Removes all objects from this list that satisfy test.
replaceRange(int start, int end, Iterable<int> replacement) → void inherited: Removes the objects in the range start inclusive to end exclusive and inserts the contents of replacement in its place.
retainWhere(bool test(E element)) → void inherited: Removes all objects from this list that fail to satisfy test.
setAll(int index, Iterable<int> iterable) → void inherited: Overwrites objects of this with the objects of iterable, starting at position index in this list.
setRange(int start, int end, Iterable<int> iterable, [ int skipCount = 0 ]) → void inherited: Copies the objects of iterable, skipping skipCount objects first, into the range start, inclusive, to end, exclusive, of the list.
shuffle([Random random ]) → void inherited: Shuffles the elements of this list randomly.
singleWhere(bool test(E element)) → int inherited: Returns the single element that satisfies test.
skip(int count) → Iterable<int> inherited: Returns an Iterable that provides all but the first count elements.
skipWhile(bool test(E value)) → Iterable<int> inherited: Returns an Iterable that skips leading elements while test is satisfied.
sort([int compare(E a, E b) ]) → void inherited: Sorts this list according to the order specified by the compare function.
sublist(int start, [ int end ]) → List<int> inherited: Returns a new list containing the objects from start inclusive to end exclusive.
take(int count) → Iterable<int> inherited: Returns a lazy iterable of the count first elements of this iterable.
takeWhile(bool test(E value)) → Iterable<int> inherited: Returns a lazy iterable of the leading elements satisfying test.
toList({bool growable: true }) → List<int> inherited: Creates a List containing the elements of this Iterable.
toSet() → Set<int> inherited: Creates a Set containing the same elements as this iterable.
toString() → String inherited: Returns a string representation of this object.
where(bool test(E element)) → Iterable<int> inherited: Returns a new lazy Iterable with all elements that satisfy the predicate test.

© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/1.24.3/dart-typed_data/Uint8ClampedList-class.html