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VikramadityaDevVikramadityaDev
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download function added
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‎lib/Pages/home_page.dart‎

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import 'dart:async';
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import 'dart:ui' as ui;
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import 'package:brain_fusion/brain_fusion.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:fluttertoast/fluttertoast.dart';
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import 'package:image_gallery_saver/image_gallery_saver.dart';
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import 'package:lottie/lottie.dart';
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import 'package:text_to_image_gen/Pages/about_page.dart';
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import 'package:url_launcher/url_launcher.dart';
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import 'package:flutter/rendering.dart';
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class HomePage extends StatefulWidget {
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const HomePage({Key? key}) : super(key: key);
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@override
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State<HomePage> createState() => _HomePageState();
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}
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class _HomePageState extends State<HomePage> {
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final TextEditingController _queryController = TextEditingController();
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final AI _ai = AI();
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Future<Uint8List> _generate(String query) async {
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Uint8List image = await _ai.runAI(query, AIStyle.render3D);
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return image;
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}
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final GlobalKey _globalKey = GlobalKey();
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bool _isDownloading = false;
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bool _isDownloadInitiated = false;
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bool run = false;
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String query = "";
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@override
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void dispose() {
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_queryController.dispose();
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super.dispose();
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}
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var scaffoldKey = GlobalKey<ScaffoldState>();
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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key: scaffoldKey,
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backgroundColor: Colors.deepPurple.shade50,
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appBar: AppBar(
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iconTheme: IconThemeData(color: Colors.deepPurple.shade400),
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backgroundColor: Colors.transparent,
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title: RichText(
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text: TextSpan(
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text: 'Tex',
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style: TextStyle(color: Colors.amber.shade900, fontWeight: FontWeight.w500, fontSize: 18),
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children: [
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TextSpan(
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text: 'Fusion',
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style: TextStyle(color: Colors.deepPurple.shade500, fontWeight: FontWeight.w500, fontSize: 18),
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)
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]
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),
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),
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elevation: 0,
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centerTitle: true,
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leading: InkWell(
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onTap: (){
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scaffoldKey.currentState?.openDrawer();
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},
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child: Padding(
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padding: const EdgeInsets.all(8.0),
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child: Lottie.asset(
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'assets/animations/me.json',
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repeat: true,
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reverse: true,
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animate: true,
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),
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),
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),
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actions: [
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InkWell(
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onTap: (){
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Navigator.push(context, MaterialPageRoute(builder: (context) => const AboutPage()));
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},
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child: Padding(
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padding: const EdgeInsets.all(12),
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child: Lottie.asset(
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'assets/animations/set.json',
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repeat: true,
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reverse: true,
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animate: true,
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),
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),
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),
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],
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),
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drawer: Drawer(
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child: Container(
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color: Colors.deepPurple.shade50,
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child: Column(
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children: [
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Container(
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color: Colors.deepPurple.shade50,
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child: DrawerHeader(
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child: Center(
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child: Text(
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"TexFusion AI App",
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style: TextStyle(
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fontSize: 18, color: Colors.deepPurple.shade400),
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),
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),
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),
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),
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ListTile(
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leading: const Icon(
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Icons.source_rounded,
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color: Colors.black54,
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),
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title: Text(
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"Source Code",
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style: TextStyle(
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fontSize: 16, color: Colors.deepPurple.shade400),
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),
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onTap: () async {
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final Uri url = Uri.parse(
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'https://github.com/VikramadityaDev/text_to_image_gen/');
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if (!await launchUrl(url,
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mode: LaunchMode.externalApplication)) {
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throw Exception('Could not launch $url');
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}
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},
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),
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ListTile(
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leading: const Icon(
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Icons.update,
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color: Colors.black54,
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),
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title: Text(
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"Check for update",
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style: TextStyle(
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fontSize: 16, color: Colors.deepPurple.shade400),
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),
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onTap: () async {
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final Uri url =
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Uri.parse('https://telegram.me/vikimediaofficial/');
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if (!await launchUrl(url,
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mode: LaunchMode.externalApplication)) {
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throw Exception('Could not launch $url');
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}
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},
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),
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Expanded(
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child: Padding(
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padding: const EdgeInsets.all(10),
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child: Align(
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alignment: Alignment.bottomCenter,
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child: Text(
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'v1.0.2',
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style: TextStyle(
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fontSize: 16,
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color: Colors.deepPurple.shade400,
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fontWeight: FontWeight.w500),
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),
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),
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),
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),
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],
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),
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),
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),
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body: SingleChildScrollView(
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physics: const BouncingScrollPhysics(),
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: <Widget>[
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const SizedBox(
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height: 10,
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),
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Padding(
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padding: const EdgeInsets.all(6.0),
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child: TextField(
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keyboardType: TextInputType.multiline,
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minLines: 1,
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maxLines: 10,
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controller: _queryController,
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decoration: InputDecoration(
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hintText: 'Enter your imagination...',
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(8),
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borderSide: BorderSide(
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width: 1.5,
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color: Colors.deepPurple.shade400,
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),
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(8),
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borderSide: BorderSide(
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width: 1.5,
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color: Colors.deepPurple.shade400,
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),
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),
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),
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),
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),
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Padding(
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padding: const EdgeInsets.all(5),
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child: SizedBox(
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height: MediaQuery.of(context).size.height / 1.9,
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width: MediaQuery.of(context).size.width,
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child: run
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? FutureBuilder<Uint8List>(
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future: _generate(_queryController.text),
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builder: (context, snapshot) {
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if (snapshot.connectionState ==
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ConnectionState.waiting) {
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return Padding(
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padding: const EdgeInsets.all(120.0),
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child: Lottie.asset(
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'assets/animations/loading.json',
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repeat: true,
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reverse: true,
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animate: true,
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),
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);
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} else if (snapshot.hasError) {
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return const Center(
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child: Text(
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'Something went wrong. Please Re-generate.',
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),
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);
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} else if (snapshot.hasData) {
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return RepaintBoundary(
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key: _globalKey,
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child: InkWell(
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onTap: () {
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_saveScreen();
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},
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child: Image.memory(snapshot.data!),
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),
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);
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} else {
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return Container();
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}
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},
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)
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: const Center(
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child: Text(
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'See Magic Here 🪄',
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style: TextStyle(
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fontWeight: FontWeight.w500,
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fontSize: 16,
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),
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),
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),
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),
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),
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SizedBox(
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height: MediaQuery.of(context).size.width / 5.5,
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),
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const Text(
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'Click the image to save in Gallery.',
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softWrap: true,
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style: TextStyle(fontSize: 15, fontWeight: FontWeight.w500),
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),
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const SizedBox(
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height: 5,
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),
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const SizedBox(
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height: 15,
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),
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Padding(
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padding: const EdgeInsets.only(left: 80, right: 80),
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child: ElevatedButton(
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onPressed: () {
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String newQuery = _queryController.text;
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if (newQuery.isNotEmpty) {
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setState(() {
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query = newQuery;
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run = true;
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});
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} else {
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if (newQuery.isEmpty) {
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Fluttertoast.showToast(
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msg: 'Query is empty !!',
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gravity: ToastGravity.BOTTOM,
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backgroundColor: Colors.red,
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);
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print('Query is empty !!');
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}
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}
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},
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style: ButtonStyle(
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padding: MaterialStateProperty.all(
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const EdgeInsets.all(0.0),
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),
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elevation: MaterialStateProperty.all(0),
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shape: MaterialStateProperty.all(
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RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(5.0),
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),
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),
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),
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child: Ink(
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decoration: BoxDecoration(
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gradient: LinearGradient(
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colors: [
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Colors.deepPurple.shade400,
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Colors.deepPurpleAccent.shade200,
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],
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),
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borderRadius: const BorderRadius.all(
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Radius.circular(5.0),
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),
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),
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child: Container(
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constraints: const BoxConstraints(
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minWidth: 88.0,
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minHeight: 45.0,
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),
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alignment: Alignment.center,
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child: const Text(
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'Generate',
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textAlign: TextAlign.center,
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style: TextStyle(fontSize: 18),
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),
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),
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),
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),
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),
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],
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),
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),
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bottomNavigationBar: const Padding(
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padding: EdgeInsets.only(bottom: 8),
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child: Text(
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"Made With Love ❤️ VikiMedia",
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textAlign: TextAlign.center,
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style: TextStyle(fontSize: 12),
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),
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),
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);
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}
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_saveScreen() async {
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if (_isDownloading) {
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// Do nothing if a download is already in progress.
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Fluttertoast.showToast(
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msg: 'Download in progress. Please wait.',
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gravity: ToastGravity.BOTTOM,
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backgroundColor: Colors.amber,
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timeInSecForIosWeb: 3,
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);
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return;
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}
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if (_isDownloadInitiated) {
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return;
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}
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_isDownloadInitiated = true;
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Fluttertoast.showToast(
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msg: 'Download Started !',
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gravity: ToastGravity.BOTTOM,
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timeInSecForIosWeb: 3,
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);
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_isDownloading = true;
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RenderRepaintBoundary boundary =
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_globalKey.currentContext!.findRenderObject() as RenderRepaintBoundary;
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ui.Image image = await boundary.toImage(pixelRatio: 12);
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ByteData? byteData = await (image.toByteData(format: ui.ImageByteFormat.png));
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if (byteData != null) {
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final result = await ImageGallerySaver.saveImage(
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byteData.buffer.asUint8List(),
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quality: 100,
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);
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print(result);
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Fluttertoast.showToast(
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msg: 'Image Successfully Saved To Gallery.',
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gravity: ToastGravity.BOTTOM,
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backgroundColor: Colors.green,
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timeInSecForIosWeb: 3,
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);
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}
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_isDownloadInitiated = false;
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_isDownloading = false;
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}
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}

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