Allow custom paints

lib/src/abstract_drawing_state.dart

@@ -285,7 +285,8 @@ abstract class AbstractAnimatedDrawingState extends State<AnimatedDrawing> {
   bool svgAssetProvided() => this.widget.assetPath.isNotEmpty;
 
   void parseFromSvgAsset(SvgParser parser) {
-    parser.loadFromFile(this.widget.assetPath).then((_) {
+    final assetPath = widget.package != null ? 'packages/${widget.package}/${widget.assetPath}' : widget.assetPath;
+    parser.loadFromFile(assetPath).then((_) {
       setState(() {
         //raw paths
         this.widget.paths.clear();

lib/src/drawing_widget.dart

@@ -50,8 +50,11 @@ class AnimatedDrawing extends StatefulWidget {
     this.lineAnimation = LineAnimation.oneByOne,
     this.scaleToViewport = true,
     this.debug,
-  })  : this.paths = [],
-        this.paints = []
+    this.paints = const <Paint>[],
+        this.package,
+
+  })  : this.paths = []
+        // this.paints = []
         {
     assertAnimationParameters();
     assert(this.assetPath.isNotEmpty);
@@ -98,13 +101,17 @@ class AnimatedDrawing extends StatefulWidget {
     this.lineAnimation = LineAnimation.oneByOne,
     this.scaleToViewport = true,
     this.debug,
-  }) : this.assetPath = ''
+  }) : this.assetPath = '', this.package = null
   {
     assertAnimationParameters();
     assert(this.paths.isNotEmpty);
     if (this.paints.isNotEmpty) assert(this.paints.length == this.paths.length);
   }
 
+  /// The name of the package from which the picture is included. See the
+  /// documentation for the [ExactAssetPicture] class itself for details.
+  final String package;
+
   /// Provide path data via an SVG asset.
   ///
   /// For instance an SVG file named my_svg would be specified as "assets/my_svg.svg". Also see * [Supported SVG specifications](https://github.com/biocarl/drawing_animation#supported-svg-specifications).

pubspec.yaml

@@ -1,11 +1,11 @@
 name: drawing_animation
 description: An dart-only library for gradually painting SVG path objects on canvas (drawing line animation).
 version: 0.1.4
-repository: https://github.com/biocarl/drawing_animation
+repository: https://github.com/RockyLeee/drawing_animation
 homepage: https://twitter.com/cahaucks
 
 environment:
-  sdk: ">2.0.0 <3.0.0"
+  sdk: ">=2.6.0 <3.0.0"
   flutter: ">=0.7.3 <2.0.0"
 
 dependencies: