svg_packer

A tool that packs multiple SVG files into a single binary file.

Quickstart

Simply put all your svg files in the assets/src directory in your package and run the tool:

dart pub global run svg_packer:svg_packer

You should now have a Vector widget in lib/src/widgets/vector.g.dart (example) to instantiate any of you svg files:

@override
Widget build(BuildContext context) {
  return Vector(
    Vectors.hello, // compiled from `assets/src/hello.svg`
    theme: VectorThemeData( 
      hello: HelloStyle( // change all individual colors at runtime
        fill0: Colors.red,
        fill1: Colors.blue,
      ),
    ),
    // color: Colors.red, // ...or simply apply a color filter 
  );
}

Comparison

vector_graphics and vector_graphics_compiler

• svg_packer is just a thin layer on top of vector_graphics and vector_graphics_compiler, it only adds features thanks to code generation
• svg_packer generates strongly typed code to reference your files
• svg_packer allows to update the colors at runtime (only possible with flutter_svg, which is not optimized)
• svg_packer merges all files into a single asset file that is loaded once for all instances.

flutter_svg

• Parsing SVG files can be heavy, even more if you want to generate variations at runtime.
• Not really adapted for icons

a symbol font

• symbols fonts have a limited number of colors.