raw image

https://github.com/kyorohiro/hello_skyengine/tree/master/widget_rawimage

//
// following code is checked in 2016/01/13
//
import 'package:flutter/widgets.dart';
import 'package:flutter/services.dart';
import 'package:flutter/material.dart';
import 'dart:ui' as sky;
import 'dart:async';
import 'dart:typed_data';
import 'package:mojo/core.dart' as core;
main() async {
final double width = 300.0;
final double height = 300.0;
final ColorFilter colorFilter =
new ColorFilter.mode(new Color.fromARGB(0xaa, 0xff, 0xaa, 0xaa), TransferMode.color);
//final ImageFit fit = ImageFit.fill;
//final ImageRepeat repeat = ImageRepeat.repeat;
//final Rect centerSlice = new Rect.fromLTWH(0.0, 0.0, 20.0, 20.0);
//
// icom.jpeg is error 2015 12/03
//ByteData data = await ResourceLoader.load("assets/icon.jpeg");
ByteData data = await ResourceLoader.load("assets/a.png");
RawImage i = new RawImage(
image:await decodeImageFromList(data.buffer.asUint8List()),
//bytes:data.buffer.asUint8List(),
width:width,height:height,
colorFilter:colorFilter);
runApp(new Center(child:i));
}
class ResourceLoader {
static AssetBundle getAssetBundle() {
if (rootBundle != null) {
return rootBundle;
} else {
return new NetworkAssetBundle(new Uri.directory(Uri.base.origin));
}
}
static Future<ByteData> load(String url) async {
AssetBundle bundle = getAssetBundle();
core.MojoDataPipeConsumer c = await bundle.load(url);
return await core.DataPipeDrainer.drainHandle(c);
}
}
#flutter.yaml
assets:
- assets/icon.jpeg
- assets/a.png