410 lines
12 KiB
Dart
410 lines
12 KiB
Dart
import 'dart:typed_data';
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import 'dart:ui' as ui;
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import 'package:aesthetica_wallpaper/core/app_ads_tools.dart';
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import 'package:flutter/material.dart';
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import 'package:image_gallery_saver/image_gallery_saver.dart';
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import 'package:provider/provider.dart';
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import 'package:aesthetica_wallpaper/providers/editor_provider.dart';
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import 'package:aesthetica_wallpaper/screens/editor/wallpaper_painter.dart';
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class SimpleSaveDialog extends StatefulWidget {
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final String fileName;
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const SimpleSaveDialog({super.key, required this.fileName});
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@override
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State<SimpleSaveDialog> createState() => _SimpleSaveDialogState();
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}
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class _SimpleSaveDialogState extends State<SimpleSaveDialog> {
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Uint8List? _previewImageBytes;
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bool _isGenerating = true;
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bool _isSaving = false;
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String? _errorMessage;
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ui.Image? _baseImage;
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@override
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void initState() {
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super.initState();
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_generatePreview();
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}
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Future<void> _generatePreview() async {
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try {
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setState(() {
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_isGenerating = true;
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_errorMessage = null;
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});
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final provider = Provider.of<EditorProvider>(context, listen: false);
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final recipe = provider.currentRecipe;
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// 加载基础图片
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final ByteData data = await DefaultAssetBundle.of(
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context,
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).load(recipe.baseImagePath);
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final ui.Codec codec = await ui.instantiateImageCodec(
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data.buffer.asUint8List(),
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);
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final ui.FrameInfo frameInfo = await codec.getNextFrame();
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_baseImage = frameInfo.image;
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// 创建画布并绘制
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final recorder = ui.PictureRecorder();
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final canvas = Canvas(recorder);
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// 设置画布尺寸（预览用较小尺寸）
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const double previewWidth = 300;
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const double previewHeight = 400;
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// 使用 WallpaperPainter 绘制
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final painter = WallpaperPainter(
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image: _baseImage!,
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recipe: recipe,
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timeOverlay: Colors.transparent, // 简化，不使用动态效果
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batterySaturation: 1.0,
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);
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painter.paint(canvas, const Size(previewWidth, previewHeight));
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// 生成图片
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final picture = recorder.endRecording();
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final image = await picture.toImage(
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previewWidth.toInt(),
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previewHeight.toInt(),
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);
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final byteData = await image.toByteData(format: ui.ImageByteFormat.png);
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if (byteData != null) {
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setState(() {
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_previewImageBytes = byteData.buffer.asUint8List();
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_isGenerating = false;
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});
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} else {
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throw Exception('Failed to generate preview image');
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}
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} catch (e) {
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debugPrint('Preview generation failed: $e');
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setState(() {
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_isGenerating = false;
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_errorMessage = e.toString();
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});
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}
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}
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Future<void> _saveImage() async {
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if (_baseImage == null) return;
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setState(() {
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_isSaving = true;
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});
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try {
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final provider = Provider.of<EditorProvider>(context, listen: false);
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final recipe = provider.currentRecipe;
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// 创建高分辨率画布
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final recorder = ui.PictureRecorder();
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final canvas = Canvas(recorder);
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// 使用原始图片尺寸
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final double saveWidth = _baseImage!.width.toDouble();
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final double saveHeight = _baseImage!.height.toDouble();
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// 使用 WallpaperPainter 绘制高质量版本
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final painter = WallpaperPainter(
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image: _baseImage!,
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recipe: recipe,
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timeOverlay: Colors.transparent,
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batterySaturation: 1.0,
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);
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painter.paint(canvas, Size(saveWidth, saveHeight));
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// 生成高质量图片
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final picture = recorder.endRecording();
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final image = await picture.toImage(
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saveWidth.toInt(),
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saveHeight.toInt(),
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);
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final byteData = await image.toByteData(format: ui.ImageByteFormat.png);
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if (byteData == null) {
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throw Exception('Failed to generate save image');
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}
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final pngBytes = byteData.buffer.asUint8List();
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// Save to gallery
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final result = await ImageGallerySaver.saveImage(
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pngBytes,
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name: widget.fileName,
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quality: 100,
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);
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final success = result['isSuccess'] == true;
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if (mounted) {
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Navigator.of(context).pop(); // 关闭对话框
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// Show result
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(
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success
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? '✅ Wallpaper saved to gallery!'
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: '❌ Save failed, please try again',
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),
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backgroundColor: success ? Colors.green : Colors.red,
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duration: const Duration(seconds: 3),
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),
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);
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}
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} catch (e) {
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debugPrint('Save failed: $e');
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setState(() {
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_isSaving = false;
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_errorMessage = 'Save failed: $e';
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});
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}
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}
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@override
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void dispose() {
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_baseImage?.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return Dialog(
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backgroundColor: Colors.transparent,
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child: Container(
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width: MediaQuery.of(context).size.width * 0.9,
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height: MediaQuery.of(context).size.height * 0.8,
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decoration: BoxDecoration(
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color: Colors.grey[900],
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borderRadius: BorderRadius.circular(20),
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),
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child: Column(
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children: [
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// Title bar
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Container(
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padding: const EdgeInsets.all(20),
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decoration: const BoxDecoration(
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gradient: LinearGradient(
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colors: [Colors.pinkAccent, Colors.purpleAccent],
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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),
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borderRadius: BorderRadius.only(
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topLeft: Radius.circular(20),
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topRight: Radius.circular(20),
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),
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),
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child: Row(
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children: [
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const Icon(Icons.save_alt, color: Colors.white, size: 24),
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const SizedBox(width: 12),
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const Expanded(
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child: Text(
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'Save Wallpaper',
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style: TextStyle(
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color: Colors.white,
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fontSize: 20,
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fontWeight: FontWeight.bold,
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),
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),
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),
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IconButton(
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icon: const Icon(Icons.close, color: Colors.white),
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onPressed: ()async{
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// Navigator.of(context).pop();
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final bool adShown = await AppAdsTools.instance.showAd(
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AdPlacement.interstitial2,
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onAdClosed: () {
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Navigator.of(context).pop();
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},
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);
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if (!adShown) {
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Navigator.of(context).pop();
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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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// Preview area
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Expanded(
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child: Container(
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margin: const EdgeInsets.all(20),
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decoration: BoxDecoration(
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color: Colors.black,
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: Colors.grey[700]!, width: 2),
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),
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child: ClipRRect(
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borderRadius: BorderRadius.circular(10),
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child: _buildPreviewContent(),
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),
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),
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),
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// Button area
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Container(
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padding: const EdgeInsets.all(20),
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child: _buildButtons(),
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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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Widget _buildPreviewContent() {
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if (_isGenerating) {
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return const Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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CircularProgressIndicator(color: Colors.pinkAccent, strokeWidth: 3),
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SizedBox(height: 16),
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Text(
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'Generating preview...',
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style: TextStyle(color: Colors.white, 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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if (_errorMessage != null) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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const Icon(Icons.error_outline, color: Colors.red, size: 48),
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const SizedBox(height: 16),
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const Text(
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'Preview generation failed',
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style: TextStyle(
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color: Colors.white,
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fontSize: 18,
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fontWeight: FontWeight.bold,
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),
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),
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const SizedBox(height: 8),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 20),
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child: Text(
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_errorMessage!,
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style: TextStyle(color: Colors.grey[400], fontSize: 14),
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textAlign: TextAlign.center,
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),
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),
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const SizedBox(height: 20),
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ElevatedButton(
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onPressed: _generatePreview,
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.pinkAccent,
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foregroundColor: Colors.white,
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),
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child: const Text('Regenerate'),
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),
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],
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),
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);
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}
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if (_previewImageBytes != null) {
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return Stack(
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fit: StackFit.expand,
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children: [
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Image.memory(_previewImageBytes!, fit: BoxFit.contain),
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if (_isSaving)
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Container(
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color: Colors.black.withValues(alpha: 0.7),
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child: const Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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CircularProgressIndicator(
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color: Colors.pinkAccent,
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strokeWidth: 3,
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),
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SizedBox(height: 16),
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Text(
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'Saving to gallery...',
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style: TextStyle(color: Colors.white, 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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],
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);
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}
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return const SizedBox.shrink();
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}
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Widget _buildButtons() {
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if (_errorMessage != null) {
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return Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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TextButton(
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onPressed: () => Navigator.of(context).pop(),
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child: const Text('Cancel', style: TextStyle(color: Colors.grey)),
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),
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],
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);
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}
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if (_previewImageBytes == null) {
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return const SizedBox.shrink();
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}
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return Row(
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children: [
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Expanded(
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child: TextButton(
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onPressed: _isSaving ? null : () => Navigator.of(context).pop(),
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child: const Text('Cancel', style: TextStyle(color: Colors.grey)),
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),
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),
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const SizedBox(width: 16),
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Expanded(
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flex: 2,
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child: ElevatedButton(
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onPressed: _isSaving ? null : _saveImage,
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.pinkAccent,
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foregroundColor: Colors.white,
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padding: const EdgeInsets.symmetric(vertical: 16),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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),
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child: _isSaving
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? const SizedBox(
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width: 20,
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height: 20,
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child: CircularProgressIndicator(
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color: Colors.white,
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strokeWidth: 2,
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),
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)
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: const Text(
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'Save to Gallery',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
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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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