image_stickers 0.0.6

Plugin to apply image stickers to the background image. Drag, resize, rotate stickers.

example/lib/main.dart

import 'dart:typed_data';

import 'package:flutter/material.dart';
import 'package:image_stickers/image_stickers.dart';
import 'package:image_stickers/image_stickers_controls_style.dart';
import 'dart:ui' as ui;

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key}) : super(key: key);

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  List<UISticker> stickers = [];

  late ImageStickersController controller;

  Uint8List? resultImage;

  @override
  void initState() {
    super.initState();
    stickers.add(createSticker(0));
    controller = ImageStickersController();
  }

  UISticker createSticker(int index) {
    return UISticker(
        imageProvider: const AssetImage("assets/sticker.png"),
        x: 100 + 100.0 * index,
        y: 360,
        editable: true);
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: SafeArea(
          child: Column(
        children: [
          Row(
            children: [
              TextButton(
                  onPressed: () {
                    setState(() {
                      stickers.add(createSticker(stickers.length));
                    });
                  },
                  child: const Text("Add sticker")),
              TextButton(
                  onPressed: () async {
                    var image = await controller.getImage();
                    var byteData = await image.toByteData(
                        format: ui.ImageByteFormat.png);
                    setState(() {
                      resultImage = byteData!.buffer.asUint8List();
                    });
                  },
                  child: const Text("Save Image")),
            ],
          ),
          Expanded(
              flex: 7,
              child: ImageStickers(
                backgroundImage: const AssetImage("assets/car.png"),
                stickerList: stickers,
                stickerControlsStyle: ImageStickersControlsStyle(
                    color: Colors.blueGrey,
                    child: const Icon(
                      Icons.zoom_out_map,
                      color: Colors.white,
                    )),
                controller: controller,
                stickerControlsBehaviour: StickerControlsBehaviour.alwaysShow,
              )),
          Expanded(
              flex: 3,
              child: resultImage == null
                  ? Container()
                  : Image(
                      image: MemoryImage(resultImage!),
                    ))
        ],
      )), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}