flutter_svg 0.21.0+1 flutter_svg: ^0.21.0+1 copied to clipboard
An SVG rendering and widget library for Flutter, which allows painting and displaying Scalable Vector Graphics 1.1 files.
import 'dart:ui';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_svg/avd.dart';
import 'package:flutter_svg/flutter_svg.dart';
const List<String> _assetNames = <String>[
// 'assets/notfound.svg', // uncomment to test an asset that doesn't exist.
'assets/flutter_logo.svg',
'assets/dart.svg',
'assets/simple/clip_path_3.svg',
'assets/simple/clip_path_2.svg',
'assets/simple/clip_path.svg',
'assets/simple/fill-rule-inherit.svg',
'assets/simple/group_fill_opacity.svg',
'assets/simple/group_opacity.svg',
'assets/simple/text.svg',
'assets/simple/text_2.svg',
'assets/simple/linear_gradient.svg',
'assets/simple/linear_gradient_2.svg',
'assets/simple/male.svg',
'assets/simple/radial_gradient.svg',
'assets/simple/rect_rrect.svg',
'assets/simple/rect_rrect_no_ry.svg',
'assets/simple/style_attr.svg',
'assets/w3samples/aa.svg',
'assets/w3samples/alphachannel.svg',
'assets/simple/ellipse.svg',
'assets/simple/dash_path.svg',
'assets/simple/nested_group.svg',
'assets/simple/stroke_inherit_circles.svg',
'assets/simple/use_circles.svg',
'assets/simple/use_opacity_grid.svg',
'assets/wikimedia/chess_knight.svg',
'assets/wikimedia/Ghostscript_Tiger.svg',
'assets/wikimedia/Firefox_Logo_2017.svg',
];
/// Assets treated as "icons" - using a color filter to render differently.
const List<String> iconNames = <String>[
'assets/deborah_ufw/new-action-expander.svg',
'assets/deborah_ufw/new-camera.svg',
'assets/deborah_ufw/new-gif-button.svg',
'assets/deborah_ufw/new-gif.svg',
'assets/deborah_ufw/new-image.svg',
'assets/deborah_ufw/new-mention.svg',
'assets/deborah_ufw/new-pause-button.svg',
'assets/deborah_ufw/new-play-button.svg',
'assets/deborah_ufw/new-send-circle.svg',
'assets/deborah_ufw/numeric_25.svg',
];
/// Assets to test network access.
const List<String> uriNames = <String>[
'http://upload.wikimedia.org/wikipedia/commons/0/02/SVG_logo.svg',
'https://dev.w3.org/SVG/tools/svgweb/samples/svg-files/410.svg',
'https://upload.wikimedia.org/wikipedia/commons/b/b4/Chess_ndd45.svg',
];
void main() {
runApp(_MyApp());
}
class _MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
home: const _MyHomePage(title: 'Flutter SVG Demo'),
);
}
}
class _MyHomePage extends StatefulWidget {
const _MyHomePage({Key? key, required this.title}) : super(key: key);
final String title;
@override
_MyHomePageState createState() => _MyHomePageState();
}
class _MyHomePageState extends State<_MyHomePage> {
final List<Widget> _painters = <Widget>[];
late double _dimension;
@override
void initState() {
super.initState();
_dimension = 203.0;
for (String assetName in _assetNames) {
_painters.add(
SvgPicture.asset(assetName),
);
}
for (int i = 0; i < iconNames.length; i++) {
_painters.add(
Directionality(
textDirection: TextDirection.ltr,
child: SvgPicture.asset(
iconNames[i],
color: Colors.blueGrey[(i + 1) * 100],
matchTextDirection: true,
),
),
);
}
for (String uriName in uriNames) {
_painters.add(
SvgPicture.network(
uriName,
placeholderBuilder: (BuildContext context) => Container(
padding: const EdgeInsets.all(30.0),
child: const CircularProgressIndicator()),
),
);
}
// Shows an example of an SVG image that will fetch a raster image from a URL.
_painters.add(SvgPicture.string('''<svg viewBox="0 0 200 200"
xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<image xlink:href="https://mdn.mozillademos.org/files/6457/mdn_logo_only_color.png" height="200" width="200"/>
</svg>'''));
_painters.add(AvdPicture.asset('assets/android_vd/battery_charging.xml'));
}
@override
Widget build(BuildContext context) {
if (_dimension > MediaQuery.of(context).size.width - 10.0) {
_dimension = MediaQuery.of(context).size.width - 10.0;
}
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: Column(children: <Widget>[
Slider(
min: 5.0,
max: MediaQuery.of(context).size.width - 10.0,
value: _dimension,
onChanged: (double val) {
setState(() => _dimension = val);
}),
Expanded(
child: GridView.extent(
shrinkWrap: true,
maxCrossAxisExtent: _dimension,
padding: const EdgeInsets.all(4.0),
mainAxisSpacing: 4.0,
crossAxisSpacing: 4.0,
children: _painters.toList(),
),
),
]),
);
}
}