mirror of
https://github.com/EsotericSoftware/spine-runtimes.git
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73 lines
3.0 KiB
Dart
73 lines
3.0 KiB
Dart
// ******************************************************************************
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// Spine Runtimes License Agreement
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// Last updated July 28, 2023. Replaces all prior versions.
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//
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// Copyright (c) 2013-2023, Esoteric Software LLC
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//
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// Integration of the Spine Runtimes into software or otherwise creating
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// derivative works of the Spine Runtimes is permitted under the terms and
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// conditions of Section 2 of the Spine Editor License Agreement:
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// http://esotericsoftware.com/spine-editor-license
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//
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// Otherwise, it is permitted to integrate the Spine Runtimes into software or
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// otherwise create derivative works of the Spine Runtimes (collectively,
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// "Products"), provided that each user of the Products must obtain their own
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// Spine Editor license and redistribution of the Products in any form must
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// include this license and copyright notice.
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//
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// THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
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// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
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// BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THE
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// SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// *****************************************************************************/
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import 'package:universal_ffi/ffi.dart';
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import 'package:universal_ffi/ffi_utils.dart';
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import 'dart:collection';
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/// Base class for native spine arrays.
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///
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/// Provides a Dart List-like interface over native spine arrays.
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/// The native memory is managed by the spine runtime and should not
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/// be freed directly from Dart.
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abstract class NativeArray<T> extends ListBase<T> {
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final Pointer _nativeArray;
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NativeArray(this._nativeArray);
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/// Get the native pointer for FFI calls
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Pointer get nativePtr => _nativeArray;
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/// The number of elements in this array.
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/// Must be implemented by subclasses to call the appropriate spine_array_*_get_size
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@override
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int get length;
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/// Get the element at the given index.
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/// Must be implemented by subclasses to call the appropriate spine_array_*_get
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@override
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T operator [](int index);
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/// Set the element at the given index.
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/// For read-only arrays, this will throw an UnsupportedError.
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/// Must be implemented by subclasses that support modification.
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@override
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void operator []=(int index, T value) {
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throw UnsupportedError('This array is read-only');
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}
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/// Sets the length of the list.
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/// For read-only arrays, this will throw an UnsupportedError.
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/// Must be implemented by subclasses that support modification.
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@override
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set length(int newLength) {
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throw UnsupportedError('This array is read-only');
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}
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}
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