spine-runtimes/spine-flutter/lib/spine_dart_init.dart
2025-10-29 14:12:27 +01:00

68 lines
2.6 KiB
Dart

//
// Spine Runtimes License Agreement
// Last updated April 5, 2025. Replaces all prior versions.
//
// Copyright (c) 2013-2025, Esoteric Software LLC
//
// Integration of the Spine Runtimes into software or otherwise creating
// derivative works of the Spine Runtimes is permitted under the terms and
// conditions of Section 2 of the Spine Editor License Agreement:
// http://esotericsoftware.com/spine-editor-license
//
// Otherwise, it is permitted to integrate the Spine Runtimes into software
// or otherwise create derivative works of the Spine Runtimes (collectively,
// "Products"), provided that each user of the Products must obtain their own
// Spine Editor license and redistribution of the Products in any form must
// include this license and copyright notice.
//
// THE SPINE RUNTIMES ARE PROVIDED BY ESOTERIC SOFTWARE LLC "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES,
// BUSINESS INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
// THE SPINE RUNTIMES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
import 'dart:io';
import 'package:universal_ffi/ffi.dart';
import 'package:universal_ffi/ffi_utils.dart';
const String _libName = 'spine_flutter';
class SpineDartFFI {
DynamicLibrary dylib;
Allocator allocator;
SpineDartFFI(this.dylib, this.allocator);
}
Future<DynamicLibrary> initDynamicLibrary() async {
if (Platform.isMacOS || Platform.isIOS) {
try {
return await DynamicLibrary.open('$_libName.framework/$_libName');
} catch (e) {
// Fallback for macOS where the library might not be in a framework
return await DynamicLibrary.open('$_libName.dylib');
}
} else if (Platform.isAndroid || Platform.isLinux) {
return await DynamicLibrary.open('lib$_libName.so');
} else if (Platform.isWindows) {
return await DynamicLibrary.open('$_libName.dll');
} else {
throw UnsupportedError('Unknown platform: ${Platform.operatingSystem}');
}
}
Future<SpineDartFFI> initSpineDartFFI(bool useStaticLinkage) async {
if (useStaticLinkage) {
return SpineDartFFI(DynamicLibrary.process(), malloc);
} else {
return SpineDartFFI(await initDynamicLibrary(), malloc);
}
}