Changed the SvgIntegration to parse metadata, and include the image's…

… width/height in the generated assets.gen.dart.

packages/core/lib/generators/integrations/svg_integration.dart

@@ -1,12 +1,17 @@
+import 'dart:io';
+
 import 'package:flutter_gen_core/generators/integrations/integration.dart';
 import 'package:flutter_gen_core/settings/asset_type.dart';
+import 'package:vector_graphics_compiler/vector_graphics_compiler.dart';
 
 class SvgIntegration extends Integration {
-  SvgIntegration(String packageParameterLiteral)
+  SvgIntegration(String packageParameterLiteral, {this.parseMetadata = false})
       : super(packageParameterLiteral);
 
   String get packageExpression => isPackage ? ' = package' : '';
 
+  final bool parseMetadata;
+
   @override
   List<String> get requiredImports => [
         'package:flutter_svg/flutter_svg.dart',
@@ -17,11 +22,14 @@ class SvgIntegration extends Integration {
   String get classOutput => _classDefinition;
 
   String get _classDefinition => '''class SvgGenImage {
-  const SvgGenImage(this._assetName);
+  const SvgGenImage(this._assetName, {this.size = null});
 
   final String _assetName;
+
 ${isPackage ? "\n  static const String package = '$packageParameterLiteral';" : ''}
 
+  final Size? size;
+
   SvgPicture svg({
     Key? key,
     bool matchTextDirection = false,

packages/core/pubspec.yaml

@@ -26,6 +26,7 @@ dependencies:
   dart_style: ^2.2.4
   args: ^2.0.0
   pub_semver: ^2.0.0
+  vector_graphics_compiler: ^1.1.9
 
 dev_dependencies:
   lints: ^2.0.0

packages/core/test/assets_gen_test.dart

@@ -102,6 +102,14 @@ void main() {
 
       await expectedAssetsGen(pubspec, generated, fact);
     });
+
+    test('Assets with parse metadata enabled', () async {
+      const pubspec = 'test_resources/pubspec_assets_parse_metadata.yaml';
+      const fact = 'test_resources/actual_data/assets_parse_metadata.gen.dart';
+      const generated = 'test_resources/lib/gen/assets_parse_metadata.gen.dart';
+
+      await expectedAssetsGen(pubspec, generated, fact);
+    });
   });
 
   group('Test generatePackageNameForConfig', () {