| Index: dart/sdk/lib/typed_data/dart2js/typed_data_dart2js.dart
|
| ===================================================================
|
| --- dart/sdk/lib/typed_data/dart2js/typed_data_dart2js.dart (revision 30098)
|
| +++ dart/sdk/lib/typed_data/dart2js/typed_data_dart2js.dart (working copy)
|
| @@ -30,6 +30,11 @@
|
| }
|
|
|
|
|
| +/**
|
| + * A sequence of bytes underlying a typed data object.
|
| + * Used to process large quantities of binary or numerical data
|
| + * more efficiently using a typed view.
|
| + */
|
| class ByteBuffer native "ArrayBuffer" {
|
| @JSName('byteLength')
|
| final int lengthInBytes;
|
| @@ -47,17 +52,33 @@
|
| : function(x) { return x.length; };
|
| ''');
|
|
|
| +/**
|
| + * A typed view of a sequence of bytes.
|
| + */
|
| class TypedData native "ArrayBufferView" {
|
| + /**
|
| + * Returns the byte buffer associated with this object.
|
| + */
|
| @Creates('ByteBuffer')
|
| @Returns('ByteBuffer|Null')
|
| final ByteBuffer buffer;
|
|
|
| + /**
|
| + * Returns the length of this view, in bytes.
|
| + */
|
| @JSName('byteLength')
|
| final int lengthInBytes;
|
|
|
| + /**
|
| + * Returns the offset in bytes into the underlying byte buffer of this view.
|
| + */
|
| @JSName('byteOffset')
|
| final int offsetInBytes;
|
|
|
| + /**
|
| + * Returns the number of bytes in the representation of each element in this
|
| + * list.
|
| + */
|
| @JSName('BYTES_PER_ELEMENT')
|
| final int elementSizeInBytes;
|
|
|
| @@ -102,15 +123,58 @@
|
| }
|
|
|
|
|
| +/**
|
| + * A fixed-length, random-access sequence of bytes that also provides random
|
| + * and unaligned access to the fixed-width integers and floating point
|
| + * numbers represented by those bytes.
|
| + * ByteData may be used to pack and unpack data from external sources
|
| + * (such as networks or files systems), and to process large quantities
|
| + * of numerical data more efficiently than would be possible
|
| + * with ordinary [List] implementations. ByteData can save space, by
|
| + * eliminating the need for object headers, and time, by eliminating the
|
| + * need for data copies. Finally, ByteData may be used to intentionally
|
| + * reinterpret the bytes representing one arithmetic type as another.
|
| + * For example this code fragment determine what 32-bit signed integer
|
| + * is represented by the bytes of a 32-bit floating point number:
|
| + *
|
| + * var buffer = new Uint8List(8).buffer;
|
| + * var bdata = new ByteData.view(buffer);
|
| + * bdata.setFloat32(0, 3.04);
|
| + * int huh = bdata.getInt32(0);
|
| + */
|
| class ByteData extends TypedData native "DataView" {
|
| + /**
|
| + * Creates a [ByteData] of the specified length (in elements), all of
|
| + * whose elements are initially zero.
|
| + */
|
| factory ByteData(int length) => _create1(length);
|
|
|
| + /**
|
| + * Creates an [ByteData] _view_ of the specified region in the specified
|
| + * byte buffer. Changes in the [ByteData] will be visible in the byte
|
| + * buffer and vice versa. If the [offsetInBytes] index of the region is not
|
| + * specified, it defaults to zero (the first byte in the byte buffer).
|
| + * If the length is not specified, it defaults to null, which indicates
|
| + * that the view extends to the end of the byte buffer.
|
| + *
|
| + * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
|
| + * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
|
| + * the length of [buffer].
|
| + */
|
| factory ByteData.view(ByteBuffer buffer,
|
| [int byteOffset = 0, int byteLength]) =>
|
| byteLength == null
|
| ? _create2(buffer, byteOffset)
|
| : _create3(buffer, byteOffset, byteLength);
|
|
|
| + /**
|
| + * Returns the floating point number represented by the four bytes at
|
| + * the specified [byteOffset] in this object, in IEEE 754
|
| + * single-precision binary floating-point format (binary32).
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * `byteOffset + 4` is greater than the length of this object.
|
| + */
|
| num getFloat32(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
|
| _getFloat32(byteOffset, endian._littleEndian);
|
|
|
| @@ -118,6 +182,14 @@
|
| @Returns('num')
|
| num _getFloat32(int byteOffset, [bool littleEndian]) native;
|
|
|
| + /**
|
| + * Returns the floating point number represented by the eight bytes at
|
| + * the specified [byteOffset] in this object, in IEEE 754
|
| + * double-precision binary floating-point format (binary64).
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * `byteOffset + 8` is greater than the length of this object.
|
| + */
|
| num getFloat64(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
|
| _getFloat64(byteOffset, endian._littleEndian);
|
|
|
| @@ -125,6 +197,16 @@
|
| @Returns('num')
|
| num _getFloat64(int byteOffset, [bool littleEndian]) native;
|
|
|
| + /**
|
| + * Returns the (possibly negative) integer represented by the two bytes at
|
| + * the specified [byteOffset] in this object, in two's complement binary
|
| + * form.
|
| + * The return value will be between 2<sup>15</sup> and 2<sup>15</sup> - 1,
|
| + * inclusive.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * `byteOffset + 2` is greater than the length of this object.
|
| + */
|
| int getInt16(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
|
| _getInt16(byteOffset, endian._littleEndian);
|
|
|
| @@ -132,6 +214,16 @@
|
| @Returns('int')
|
| int _getInt16(int byteOffset, [bool littleEndian]) native;
|
|
|
| + /**
|
| + * Returns the (possibly negative) integer represented by the four bytes at
|
| + * the specified [byteOffset] in this object, in two's complement binary
|
| + * form.
|
| + * The return value will be between 2<sup>31</sup> and 2<sup>31</sup> - 1,
|
| + * inclusive.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * `byteOffset + 4` is greater than the length of this object.
|
| + */
|
| int getInt32(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
|
| _getInt32(byteOffset, endian._littleEndian);
|
|
|
| @@ -139,12 +231,39 @@
|
| @Returns('int')
|
| int _getInt32(int byteOffset, [bool littleEndian]) native;
|
|
|
| + /**
|
| + * Returns the (possibly negative) integer represented by the eight bytes at
|
| + * the specified [byteOffset] in this object, in two's complement binary
|
| + * form.
|
| + * The return value will be between 2<sup>63</sup> and 2<sup>63</sup> - 1,
|
| + * inclusive.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * `byteOffset + 8` is greater than the length of this object.
|
| + */
|
| int getInt64(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) {
|
| throw new UnsupportedError("Int64 accessor not supported by dart2js.");
|
| }
|
|
|
| + /**
|
| + * Returns the (possibly negative) integer represented by the byte at the
|
| + * specified [byteOffset] in this object, in two's complement binary
|
| + * representation. The return value will be between -128 and 127, inclusive.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * greater than or equal to the length of this object.
|
| + */
|
| int getInt8(int byteOffset) native;
|
|
|
| + /**
|
| + * Returns the positive integer represented by the two bytes starting
|
| + * at the specified [byteOffset] in this object, in unsigned binary
|
| + * form.
|
| + * The return value will be between 0 and 2<sup>16</sup> - 1, inclusive.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * `byteOffset + 2` is greater than the length of this object.
|
| + */
|
| int getUint16(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
|
| _getUint16(byteOffset, endian._littleEndian);
|
|
|
| @@ -152,6 +271,13 @@
|
| @Returns('int')
|
| int _getUint16(int byteOffset, [bool littleEndian]) native;
|
|
|
| + /**
|
| + * Returns the positive integer represented by the four bytes starting
|
| + * at the specified [byteOffset] in this object, in unsigned binary
|
| + * form.
|
| + * The return value will be between 0 and 2<sup>32</sup> - 1, inclusive.
|
| + *
|
| + */
|
| int getUint32(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
|
| _getUint32(byteOffset, endian._littleEndian);
|
|
|
| @@ -159,58 +285,172 @@
|
| @Returns('int')
|
| int _getUint32(int byteOffset, [bool littleEndian]) native;
|
|
|
| + /**
|
| + * Returns the positive integer represented by the eight bytes starting
|
| + * at the specified [byteOffset] in this object, in unsigned binary
|
| + * form.
|
| + * The return value will be between 0 and 2<sup>64</sup> - 1, inclusive.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * `byteOffset + 8` is greater than the length of this object.
|
| + */
|
| int getUint64(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) {
|
| throw new UnsupportedError("Uint64 accessor not supported by dart2js.");
|
| }
|
|
|
| + /**
|
| + * Returns the positive integer represented by the byte at the specified
|
| + * [byteOffset] in this object, in unsigned binary form. The
|
| + * return value will be between 0 and 255, inclusive.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * greater than or equal to the length of this object.
|
| + */
|
| int getUint8(int byteOffset) native;
|
|
|
| + /**
|
| + * Sets the four bytes starting at the specified [byteOffset] in this
|
| + * object to the IEEE 754 single-precision binary floating-point
|
| + * (binary32) representation of the specified [value].
|
| + *
|
| + * **Note that this method can lose precision.** The input [value] is
|
| + * a 64-bit floating point value, which will be converted to 32-bit
|
| + * floating point value by IEEE 754 rounding rules before it is stored.
|
| + * If [value] cannot be represented exactly as a binary32, it will be
|
| + * converted to the nearest binary32 value. If two binary32 values are
|
| + * equally close, the one whose least significant bit is zero will be used.
|
| + * Note that finite (but large) values can be converted to infinity, and
|
| + * small non-zero values can be converted to zero.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * `byteOffset + 4` is greater than the length of this object.
|
| + */
|
| void setFloat32(int byteOffset, num value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
|
| _setFloat32(byteOffset, value, endian._littleEndian);
|
|
|
| @JSName('setFloat32')
|
| void _setFloat32(int byteOffset, num value, [bool littleEndian]) native;
|
|
|
| + /**
|
| + * Sets the eight bytes starting at the specified [byteOffset] in this
|
| + * object to the IEEE 754 double-precision binary floating-point
|
| + * (binary64) representation of the specified [value].
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * `byteOffset + 8` is greater than the length of this object.
|
| + */
|
| void setFloat64(int byteOffset, num value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
|
| _setFloat64(byteOffset, value, endian._littleEndian);
|
|
|
| @JSName('setFloat64')
|
| void _setFloat64(int byteOffset, num value, [bool littleEndian]) native;
|
|
|
| + /**
|
| + * Sets the two bytes starting at the specified [byteOffset] in this
|
| + * object to the two's complement binary representation of the specified
|
| + * [value], which must fit in two bytes. In other words, [value] must lie
|
| + * between 2<sup>15</sup> and 2<sup>15</sup> - 1, inclusive.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * `byteOffset + 2` is greater than the length of this object.
|
| + */
|
| void setInt16(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
|
| _setInt16(byteOffset, value, endian._littleEndian);
|
|
|
| @JSName('setInt16')
|
| void _setInt16(int byteOffset, int value, [bool littleEndian]) native;
|
|
|
| + /**
|
| + * Sets the four bytes starting at the specified [byteOffset] in this
|
| + * object to the two's complement binary representation of the specified
|
| + * [value], which must fit in four bytes. In other words, [value] must lie
|
| + * between 2<sup>31</sup> and 2<sup>31</sup> - 1, inclusive.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * `byteOffset + 4` is greater than the length of this object.
|
| + */
|
| void setInt32(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
|
| _setInt32(byteOffset, value, endian._littleEndian);
|
|
|
| @JSName('setInt32')
|
| void _setInt32(int byteOffset, int value, [bool littleEndian]) native;
|
|
|
| + /**
|
| + * Sets the eight bytes starting at the specified [byteOffset] in this
|
| + * object to the two's complement binary representation of the specified
|
| + * [value], which must fit in eight bytes. In other words, [value] must lie
|
| + * between 2<sup>63</sup> and 2<sup>63</sup> - 1, inclusive.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * `byteOffset + 8` is greater than the length of this object.
|
| + */
|
| void setInt64(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) {
|
| throw new UnsupportedError("Int64 accessor not supported by dart2js.");
|
| }
|
|
|
| + /**
|
| + * Sets the byte at the specified [byteOffset] in this object to the
|
| + * two's complement binary representation of the specified [value], which
|
| + * must fit in a single byte. In other words, [value] must be between
|
| + * -128 and 127, inclusive.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * greater than or equal to the length of this object.
|
| + */
|
| void setInt8(int byteOffset, int value) native;
|
|
|
| + /**
|
| + * Sets the two bytes starting at the specified [byteOffset] in this object
|
| + * to the unsigned binary representation of the specified [value],
|
| + * which must fit in two bytes. in other words, [value] must be between
|
| + * 0 and 2<sup>16</sup> - 1, inclusive.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * `byteOffset + 2` is greater than the length of this object.
|
| + */
|
| void setUint16(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
|
| _setUint16(byteOffset, value, endian._littleEndian);
|
|
|
| @JSName('setUint16')
|
| void _setUint16(int byteOffset, int value, [bool littleEndian]) native;
|
|
|
| + /**
|
| + * Sets the four bytes starting at the specified [byteOffset] in this object
|
| + * to the unsigned binary representation of the specified [value],
|
| + * which must fit in four bytes. in other words, [value] must be between
|
| + * 0 and 2<sup>32</sup> - 1, inclusive.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * `byteOffset + 4` is greater than the length of this object.
|
| + */
|
| void setUint32(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
|
| _setUint32(byteOffset, value, endian._littleEndian);
|
|
|
| @JSName('setUint32')
|
| void _setUint32(int byteOffset, int value, [bool littleEndian]) native;
|
|
|
| + /**
|
| + * Sets the eight bytes starting at the specified [byteOffset] in this object
|
| + * to the unsigned binary representation of the specified [value],
|
| + * which must fit in eight bytes. in other words, [value] must be between
|
| + * 0 and 2<sup>64</sup> - 1, inclusive.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative, or
|
| + * `byteOffset + 8` is greater than the length of this object.
|
| + */
|
| void setUint64(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) {
|
| throw new UnsupportedError("Uint64 accessor not supported by dart2js.");
|
| }
|
|
|
| + /**
|
| + * Sets the byte at the specified [byteOffset] in this object to the
|
| + * unsigned binary representation of the specified [value], which must fit
|
| + * in a single byte. in other words, [value] must be between 0 and 255,
|
| + * inclusive.
|
| + *
|
| + * Throws [RangeError] if [byteOffset] is negative,
|
| + * or greater than or equal to the length of this object.
|
| + */
|
| void setUint8(int byteOffset, int value) native;
|
|
|
| static ByteData _create1(arg) =>
|
| @@ -224,16 +464,44 @@
|
| .._setCachedLength();
|
| }
|
|
|
| -
|
| +/**
|
| + * A fixed-length list of IEEE 754 single-precision binary floating-point
|
| + * numbers that is viewable as a [TypedData]. For long lists, this
|
| + * implementation can be considerably more space- and time-efficient than
|
| + * the default [List] implementation.
|
| + */
|
| class Float32List
|
| extends TypedData with ListMixin<double>, FixedLengthListMixin<double>
|
| implements JavaScriptIndexingBehavior, List<double>
|
| native "Float32Array" {
|
| + /**
|
| + * Creates a [Float32List] of the specified length (in elements), all of
|
| + * whose elements are initially zero.
|
| + */
|
| factory Float32List(int length) => _create1(length);
|
|
|
| + /**
|
| + * Creates a [Float32List] with the same size as the [elements] list
|
| + * and copies over the elements.
|
| + */
|
| factory Float32List.fromList(List<num> list) =>
|
| _create1(_ensureNativeList(list));
|
|
|
| + /**
|
| + * Creates a [Float32List] _view_ of the specified region in the specified
|
| + * byte buffer. Changes in the [Float32List] will be visible in the byte
|
| + * buffer and vice versa. If the [offsetInBytes] index of the region is not
|
| + * specified, it defaults to zero (the first byte in the byte buffer).
|
| + * If the length is not specified, it defaults to null, which indicates
|
| + * that the view extends to the end of the byte buffer.
|
| + *
|
| + * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
|
| + * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
|
| + * the length of [buffer].
|
| + *
|
| + * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
|
| + * BYTES_PER_ELEMENT.
|
| + */
|
| factory Float32List.view(ByteBuffer buffer,
|
| [int byteOffset = 0, int length]) =>
|
| length == null
|
| @@ -274,15 +542,44 @@
|
| }
|
|
|
|
|
| +/**
|
| + * A fixed-length list of IEEE 754 double-precision binary floating-point
|
| + * numbers that is viewable as a [TypedData]. For long lists, this
|
| + * implementation can be considerably more space- and time-efficient than
|
| + * the default [List] implementation.
|
| + */
|
| class Float64List
|
| extends TypedData with ListMixin<double>, FixedLengthListMixin<double>
|
| implements JavaScriptIndexingBehavior, List<double>
|
| native "Float64Array" {
|
| + /**
|
| + * Creates a [Float64List] of the specified length (in elements), all of
|
| + * whose elements are initially zero.
|
| + */
|
| factory Float64List(int length) => _create1(length);
|
|
|
| + /**
|
| + * Creates a [Float64List] with the same size as the [elements] list
|
| + * and copies over the elements.
|
| + */
|
| factory Float64List.fromList(List<num> list) =>
|
| _create1(_ensureNativeList(list));
|
|
|
| + /**
|
| + * Creates a [Float64List] _view_ of the specified region in the specified
|
| + * byte buffer. Changes in the [Float64List] will be visible in the byte
|
| + * buffer and vice versa. If the [offsetInBytes] index of the region is not
|
| + * specified, it defaults to zero (the first byte in the byte buffer).
|
| + * If the length is not specified, it defaults to null, which indicates
|
| + * that the view extends to the end of the byte buffer.
|
| + *
|
| + * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
|
| + * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
|
| + * the length of [buffer].
|
| + *
|
| + * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
|
| + * BYTES_PER_ELEMENT.
|
| + */
|
| factory Float64List.view(ByteBuffer buffer,
|
| [int byteOffset = 0, int length]) =>
|
| length == null
|
| @@ -326,15 +623,43 @@
|
| }
|
|
|
|
|
| +/**
|
| + * A fixed-length list of 16-bit signed integers that is viewable as a
|
| + * [TypedData]. For long lists, this implementation can be considerably
|
| + * more space- and time-efficient than the default [List] implementation.
|
| + */
|
| class Int16List
|
| extends TypedData with ListMixin<int>, FixedLengthListMixin<int>
|
| implements JavaScriptIndexingBehavior, List<int>
|
| native "Int16Array" {
|
| + /**
|
| + * Creates an [Int16List] of the specified length (in elements), all of
|
| + * whose elements are initially zero.
|
| + */
|
| factory Int16List(int length) => _create1(length);
|
|
|
| + /**
|
| + * Creates a [Int16List] with the same size as the [elements] list
|
| + * and copies over the elements.
|
| + */
|
| factory Int16List.fromList(List<num> list) =>
|
| _create1(_ensureNativeList(list));
|
|
|
| + /**
|
| + * Creates an [Int16List] _view_ of the specified region in the specified
|
| + * byte buffer. Changes in the [Int16List] will be visible in the byte
|
| + * buffer and vice versa. If the [offsetInBytes] index of the region is not
|
| + * specified, it defaults to zero (the first byte in the byte buffer).
|
| + * If the length is not specified, it defaults to null, which indicates
|
| + * that the view extends to the end of the byte buffer.
|
| + *
|
| + * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
|
| + * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
|
| + * the length of [buffer].
|
| + *
|
| + * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
|
| + * BYTES_PER_ELEMENT.
|
| + */
|
| factory Int16List.view(ByteBuffer buffer, [int byteOffset = 0, int length]) =>
|
| length == null
|
| ? _create2(buffer, byteOffset)
|
| @@ -373,15 +698,43 @@
|
| }
|
|
|
|
|
| +/**
|
| + * A fixed-length list of 32-bit signed integers that is viewable as a
|
| + * [TypedData]. For long lists, this implementation can be considerably
|
| + * more space- and time-efficient than the default [List] implementation.
|
| + */
|
| class Int32List
|
| extends TypedData with ListMixin<int>, FixedLengthListMixin<int>
|
| implements JavaScriptIndexingBehavior, List<int>
|
| native "Int32Array" {
|
| + /**
|
| + * Creates an [Int32List] of the specified length (in elements), all of
|
| + * whose elements are initially zero.
|
| + */
|
| factory Int32List(int length) => _create1(length);
|
|
|
| + /**
|
| + * Creates a [Int32List] with the same size as the [elements] list
|
| + * and copies over the elements.
|
| + */
|
| factory Int32List.fromList(List<num> list) =>
|
| _create1(_ensureNativeList(list));
|
|
|
| + /**
|
| + * Creates an [Int32List] _view_ of the specified region in the specified
|
| + * byte buffer. Changes in the [Int32List] will be visible in the byte
|
| + * buffer and vice versa. If the [offsetInBytes] index of the region is not
|
| + * specified, it defaults to zero (the first byte in the byte buffer).
|
| + * If the length is not specified, it defaults to null, which indicates
|
| + * that the view extends to the end of the byte buffer.
|
| + *
|
| + * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
|
| + * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
|
| + * the length of [buffer].
|
| + *
|
| + * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
|
| + * BYTES_PER_ELEMENT.
|
| + */
|
| factory Int32List.view(ByteBuffer buffer, [int byteOffset = 0, int length]) =>
|
| length == null
|
| ? _create2(buffer, byteOffset)
|
| @@ -420,15 +773,40 @@
|
| }
|
|
|
|
|
| +/**
|
| + * A fixed-length list of 8-bit signed integers.
|
| + * For long lists, this implementation can be considerably
|
| + * more space- and time-efficient than the default [List] implementation.
|
| + */
|
| class Int8List
|
| extends TypedData with ListMixin<int>, FixedLengthListMixin<int>
|
| implements JavaScriptIndexingBehavior, List<int>
|
| native "Int8Array" {
|
| + /**
|
| + * Creates an [Int8List] of the specified length (in elements), all of
|
| + * whose elements are initially zero.
|
| + */
|
| factory Int8List(int length) => _create1(length);
|
|
|
| + /**
|
| + * Creates a [Int8List] with the same size as the [elements] list
|
| + * and copies over the elements.
|
| + */
|
| factory Int8List.fromList(List<num> list) =>
|
| _create1(_ensureNativeList(list));
|
|
|
| + /**
|
| + * Creates an [Int8List] _view_ of the specified region in the specified
|
| + * byte buffer. Changes in the [Int8List] will be visible in the byte
|
| + * buffer and vice versa. If the [offsetInBytes] index of the region is not
|
| + * specified, it defaults to zero (the first byte in the byte buffer).
|
| + * If the length is not specified, it defaults to null, which indicates
|
| + * that the view extends to the end of the byte buffer.
|
| + *
|
| + * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
|
| + * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
|
| + * the length of [buffer].
|
| + */
|
| factory Int8List.view(ByteBuffer buffer, [int byteOffset = 0, int length]) =>
|
| length == null
|
| ? _create2(buffer, byteOffset)
|
| @@ -467,15 +845,43 @@
|
| }
|
|
|
|
|
| +/**
|
| + * A fixed-length list of 16-bit unsigned integers that is viewable as a
|
| + * [TypedData]. For long lists, this implementation can be considerably
|
| + * more space- and time-efficient than the default [List] implementation.
|
| + */
|
| class Uint16List
|
| extends TypedData with ListMixin<int>, FixedLengthListMixin<int>
|
| implements JavaScriptIndexingBehavior, List<int>
|
| native "Uint16Array" {
|
| + /**
|
| + * Creates a [Uint16List] of the specified length (in elements), all
|
| + * of whose elements are initially zero.
|
| + */
|
| factory Uint16List(int length) => _create1(length);
|
|
|
| + /**
|
| + * Creates a [Uint16List] with the same size as the [elements] list
|
| + * and copies over the elements.
|
| + */
|
| factory Uint16List.fromList(List<num> list) =>
|
| _create1(_ensureNativeList(list));
|
|
|
| + /**
|
| + * Creates a [Uint16List] _view_ of the specified region in
|
| + * the specified byte buffer. Changes in the [Uint16List] will be
|
| + * visible in the byte buffer and vice versa. If the [offsetInBytes] index
|
| + * of the region is not specified, it defaults to zero (the first byte in
|
| + * the byte buffer). If the length is not specified, it defaults to null,
|
| + * which indicates that the view extends to the end of the byte buffer.
|
| + *
|
| + * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
|
| + * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
|
| + * the length of [buffer].
|
| + *
|
| + * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
|
| + * BYTES_PER_ELEMENT.
|
| + */
|
| factory Uint16List.view(ByteBuffer buffer,
|
| [int byteOffset = 0, int length]) =>
|
| length == null
|
| @@ -515,15 +921,43 @@
|
| }
|
|
|
|
|
| +/**
|
| + * A fixed-length list of 32-bit unsigned integers that is viewable as a
|
| + * [TypedData]. For long lists, this implementation can be considerably
|
| + * more space- and time-efficient than the default [List] implementation.
|
| + */
|
| class Uint32List
|
| extends TypedData with ListMixin<int>, FixedLengthListMixin<int>
|
| implements JavaScriptIndexingBehavior, List<int>
|
| native "Uint32Array" {
|
| + /**
|
| + * Creates a [Uint32List] of the specified length (in elements), all
|
| + * of whose elements are initially zero.
|
| + */
|
| factory Uint32List(int length) => _create1(length);
|
|
|
| + /**
|
| + * Creates a [Uint32List] with the same size as the [elements] list
|
| + * and copies over the elements.
|
| + */
|
| factory Uint32List.fromList(List<num> list) =>
|
| _create1(_ensureNativeList(list));
|
|
|
| + /**
|
| + * Creates a [Uint32List] _view_ of the specified region in
|
| + * the specified byte buffer. Changes in the [Uint32] will be
|
| + * visible in the byte buffer and vice versa. If the [offsetInBytes] index
|
| + * of the region is not specified, it defaults to zero (the first byte in
|
| + * the byte buffer). If the length is not specified, it defaults to null,
|
| + * which indicates that the view extends to the end of the byte buffer.
|
| + *
|
| + * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
|
| + * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
|
| + * the length of [buffer].
|
| + *
|
| + * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
|
| + * BYTES_PER_ELEMENT.
|
| + */
|
| factory Uint32List.view(ByteBuffer buffer,
|
| [int byteOffset = 0, int length]) =>
|
| length == null
|
| @@ -563,14 +997,40 @@
|
| }
|
|
|
|
|
| +/**
|
| + * 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.
|
| + * Indexed store clamps the value to range 0..0xFF.
|
| + */
|
| class Uint8ClampedList extends TypedData with ListMixin<int>,
|
| FixedLengthListMixin<int> implements JavaScriptIndexingBehavior, List<int>
|
| native "Uint8ClampedArray,CanvasPixelArray" {
|
| + /**
|
| + * Creates a [Uint8ClampedList] of the specified length (in elements), all of
|
| + * whose elements are initially zero.
|
| + */
|
| factory Uint8ClampedList(int length) => _create1(length);
|
|
|
| + /**
|
| + * Creates a [Uint8ClampedList] of the same size as the [elements]
|
| + * list and copies over the values clamping when needed.
|
| + */
|
| factory Uint8ClampedList.fromList(List<num> list) =>
|
| _create1(_ensureNativeList(list));
|
|
|
| + /**
|
| + * Creates a [Uint8ClampedList] _view_ of the specified region in the
|
| + * specified byte [buffer]. Changes in the [Uint8List] will be visible in the
|
| + * byte buffer and vice versa. If the [offsetInBytes] index of the region is
|
| + * not specified, it defaults to zero (the first byte in the byte buffer).
|
| + * If the length is not specified, it defaults to null, which indicates that
|
| + * the view extends to the end of the byte buffer.
|
| + *
|
| + * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
|
| + * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
|
| + * the length of [buffer].
|
| + */
|
| factory Uint8ClampedList.view(ByteBuffer buffer,
|
| [int byteOffset = 0, int length]) =>
|
| length == null
|
| @@ -612,6 +1072,11 @@
|
| }
|
|
|
|
|
| +/**
|
| + * 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.
|
| + */
|
| class Uint8List
|
| extends TypedData with ListMixin<int>, FixedLengthListMixin<int>
|
| implements JavaScriptIndexingBehavior, List<int>
|
| @@ -620,11 +1085,31 @@
|
| // the potential for Uint8ClampedArray to 'accidentally' pick up the
|
| // dispatch record for Uint8List.
|
| native "Uint8Array,!nonleaf" {
|
| + /**
|
| + * Creates a [Uint8List] of the specified length (in elements), all of
|
| + * whose elements are initially zero.
|
| + */
|
| factory Uint8List(int length) => _create1(length);
|
|
|
| + /**
|
| + * Creates a [Uint8List] with the same size as the [elements] list
|
| + * and copies over the elements.
|
| + */
|
| factory Uint8List.fromList(List<num> list) =>
|
| _create1(_ensureNativeList(list));
|
|
|
| + /**
|
| + * Creates a [Uint8List] _view_ of the specified region in the specified
|
| + * byte buffer. Changes in the [Uint8List] will be visible in the byte
|
| + * buffer and vice versa. If the [offsetInBytes] index of the region is not
|
| + * specified, it defaults to zero (the first byte in the byte buffer).
|
| + * If the length is not specified, it defaults to null, which indicates
|
| + * that the view extends to the end of the byte buffer.
|
| + *
|
| + * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
|
| + * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
|
| + * the length of [buffer].
|
| + */
|
| factory Uint8List.view(ByteBuffer buffer,
|
| [int byteOffset = 0, int length]) =>
|
| length == null
|
| @@ -664,15 +1149,43 @@
|
| }
|
|
|
|
|
| +/**
|
| + * A fixed-length list of 64-bit signed integers that is viewable as a
|
| + * [TypedData]. For long lists, this implementation can be considerably
|
| + * more space- and time-efficient than the default [List] implementation.
|
| + */
|
| class Int64List extends TypedData implements JavaScriptIndexingBehavior, List<int> {
|
| + /**
|
| + * Creates an [Int64List] of the specified length (in elements), all of
|
| + * whose elements are initially zero.
|
| + */
|
| factory Int64List(int length) {
|
| throw new UnsupportedError("Int64List not supported by dart2js.");
|
| }
|
|
|
| + /**
|
| + * Creates a [Int64List] with the same size as the [elements] list
|
| + * and copies over the elements.
|
| + */
|
| factory Int64List.fromList(List<int> list) {
|
| throw new UnsupportedError("Int64List not supported by dart2js.");
|
| }
|
|
|
| + /**
|
| + * Creates an [Int64List] _view_ of the specified region in the specified
|
| + * byte buffer. Changes in the [Int64List] will be visible in the byte buffer
|
| + * and vice versa. If the [offsetInBytes] index of the region is not
|
| + * specified, it defaults to zero (the first byte in the byte buffer).
|
| + * If the length is not specified, it defaults to null, which indicates that
|
| + * the view extends to the end of the byte buffer.
|
| + *
|
| + * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
|
| + * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
|
| + * the length of [buffer].
|
| + *
|
| + * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
|
| + * BYTES_PER_ELEMENT.
|
| + */
|
| factory Int64List.view(ByteBuffer buffer, [int byteOffset, int length]) {
|
| throw new UnsupportedError("Int64List not supported by dart2js.");
|
| }
|
| @@ -681,15 +1194,44 @@
|
| }
|
|
|
|
|
| +/**
|
| + * A fixed-length list of 64-bit unsigned integers that is viewable as a
|
| + * [TypedData]. For long lists, this implementation can be considerably
|
| + * more space- and time-efficient than the default [List] implementation.
|
| + */
|
| class Uint64List extends TypedData implements JavaScriptIndexingBehavior, List<int> {
|
| + /**
|
| + * Creates a [Uint64List] of the specified length (in elements), all
|
| + * of whose elements are initially zero.
|
| + */
|
| factory Uint64List(int length) {
|
| throw new UnsupportedError("Uint64List not supported by dart2js.");
|
| }
|
|
|
| + /**
|
| + * Creates a [Uint64List] with the same size as the [elements] list
|
| + * and copies over the elements.
|
| + */
|
| factory Uint64List.fromList(List<int> list) {
|
| throw new UnsupportedError("Uint64List not supported by dart2js.");
|
| }
|
|
|
| + /**
|
| + * Creates an [Uint64List] _view_ of the specified region in
|
| + * the specified byte buffer. Changes in the [Uint64List] will be
|
| + * visible in the byte buffer and vice versa. If the [offsetInBytes]
|
| + * index of the region is not specified, it defaults to zero (the first
|
| + * byte in the byte buffer). If the length is not specified, it defaults
|
| + * to null, which indicates that the view extends to the end of the byte
|
| + * buffer.
|
| + *
|
| + * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
|
| + * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
|
| + * the length of [buffer].
|
| + *
|
| + * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
|
| + * BYTES_PER_ELEMENT.
|
| + */
|
| factory Uint64List.view(ByteBuffer buffer, [int byteOffset, int length]) {
|
| throw new UnsupportedError("Uint64List not supported by dart2js.");
|
| }
|
| @@ -698,6 +1240,11 @@
|
| }
|
|
|
|
|
| +/**
|
| + * A fixed-length list of Float32x4 numbers that is viewable as a
|
| + * [TypedData]. For long lists, this implementation will be considerably more
|
| + * space- and time-efficient than the default [List] implementation.
|
| + */
|
| class Float32x4List
|
| extends Object with ListMixin<Float32x4>, FixedLengthListMixin<Float32x4>
|
| implements List<Float32x4>, TypedData {
|
| @@ -738,6 +1285,10 @@
|
| return end;
|
| }
|
|
|
| + /**
|
| + * Creates a [Float32x4List] of the specified length (in elements),
|
| + * all of whose elements are initially zero.
|
| + */
|
| Float32x4List(int length) : _storage = new Float32List(length*4);
|
|
|
| Float32x4List._externalStorage(Float32List storage) : _storage = storage;
|
| @@ -753,6 +1304,10 @@
|
| }
|
| }
|
|
|
| + /**
|
| + * Creates a [Float32x4List] with the same size as the [elements] list
|
| + * and copies over the elements.
|
| + */
|
| factory Float32x4List.fromList(List<Float32x4> list) {
|
| if (list is Float32x4List) {
|
| Float32x4List nativeList = list as Float32x4List;
|
| @@ -763,6 +1318,21 @@
|
| }
|
| }
|
|
|
| + /**
|
| + * Creates a [Float32x4List] _view_ of the specified region in the specified
|
| + * byte buffer. Changes in the [Float32x4List] will be visible in the byte
|
| + * buffer and vice versa. If the [offsetInBytes] index of the region is not
|
| + * specified, it defaults to zero (the first byte in the byte buffer).
|
| + * If the length is not specified, it defaults to null, which indicates
|
| + * that the view extends to the end of the byte buffer.
|
| + *
|
| + * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
|
| + * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
|
| + * the length of [buffer].
|
| + *
|
| + * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
|
| + * BYTES_PER_ELEMENT.
|
| + */
|
| Float32x4List.view(ByteBuffer buffer,
|
| [int byteOffset = 0, int length])
|
| : _storage = new Float32List.view(buffer, byteOffset, length);
|
| @@ -795,6 +1365,11 @@
|
| }
|
|
|
|
|
| +/**
|
| + * A fixed-length list of Int32x4 numbers that is viewable as a
|
| + * [TypedData]. For long lists, this implementation will be considerably more
|
| + * space- and time-efficient than the default [List] implementation.
|
| + */
|
| class Int32x4List
|
| extends Object with ListMixin<Int32x4>, FixedLengthListMixin<Int32x4>
|
| implements List<Int32x4>, TypedData {
|
| @@ -835,6 +1410,10 @@
|
| return end;
|
| }
|
|
|
| + /**
|
| + * Creates a [Int32x4List] of the specified length (in elements),
|
| + * all of whose elements are initially zero.
|
| + */
|
| Int32x4List(int length) : _storage = new Uint32List(length*4);
|
|
|
| Int32x4List._externalStorage(Uint32List storage) : _storage = storage;
|
| @@ -850,6 +1429,10 @@
|
| }
|
| }
|
|
|
| + /**
|
| + * Creates a [Int32x4List] with the same size as the [elements] list
|
| + * and copies over the elements.
|
| + */
|
| factory Int32x4List.fromList(List<Int32x4> list) {
|
| if (list is Int32x4List) {
|
| Int32x4List nativeList = list as Int32x4List;
|
| @@ -860,6 +1443,21 @@
|
| }
|
| }
|
|
|
| + /**
|
| + * Creates a [Int32x4List] _view_ of the specified region in the specified
|
| + * byte buffer. Changes in the [Int32x4List] will be visible in the byte
|
| + * buffer and vice versa. If the [offsetInBytes] index of the region is not
|
| + * specified, it defaults to zero (the first byte in the byte buffer).
|
| + * If the length is not specified, it defaults to null, which indicates
|
| + * that the view extends to the end of the byte buffer.
|
| + *
|
| + * Throws [RangeError] if [offsetInBytes] or [length] are negative, or
|
| + * if [offsetInBytes] + ([length] * elementSizeInBytes) is greater than
|
| + * the length of [buffer].
|
| + *
|
| + * Throws [ArgumentError] if [offsetInBytes] is not a multiple of
|
| + * BYTES_PER_ELEMENT.
|
| + */
|
| Int32x4List.view(ByteBuffer buffer,
|
| [int byteOffset = 0, int length])
|
| : _storage = new Uint32List.view(buffer, byteOffset, length);
|
| @@ -892,6 +1490,11 @@
|
| }
|
|
|
|
|
| +/**
|
| + * Interface of Dart Float32x4 immutable value type and operations.
|
| + * Float32x4 stores 4 32-bit floating point values in "lanes".
|
| + * The lanes are "x", "y", "z", and "w" respectively.
|
| + */
|
| class Float32x4 {
|
| final _storage = new Float32List(4);
|
|
|
| @@ -1472,6 +2075,11 @@
|
| }
|
|
|
|
|
| +/**
|
| + * Interface of Dart Int32x4 and operations.
|
| + * Int32x4 stores 4 32-bit bit-masks in "lanes".
|
| + * The lanes are "x", "y", "z", and "w" respectively.
|
| + */
|
| class Int32x4 {
|
| final _storage = new Int32List(4);
|
|
|
|
|