672 lines
21 KiB
Dart
672 lines
21 KiB
Dart
import 'dart:io';
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import 'package:cached_network_image/cached_network_image.dart';
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import 'package:client_proxy_framework/client_proxy_framework.dart';
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import 'package:flutter/material.dart';
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import 'package:google_fonts/google_fonts.dart';
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import 'package:image_picker/image_picker.dart';
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import '../../core/app_env.dart';
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import '../../core/user/user_state.dart';
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import '../../design/pencil_theme.dart';
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import '../../widgets/pencil_chrome.dart';
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import 'generate_progress_screen.dart';
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/// `EYsUi` 生成图片页 — 左 112×108 槽位 +「=」+ 右侧效果图；分辨率在「开始生成」上方横排。
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/// [ExtConfigItem.imgNeed] == 2 时需两张图并上传；其余（含视频类模板）只传一张，请在配置里将视频项 `img_need` 设为 1。
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/// [template] 来自首页选中的 [ExtConfigItem]。
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class GenerateScreen extends StatefulWidget {
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const GenerateScreen({super.key, this.template});
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final ExtConfigItem? template;
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@override
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State<GenerateScreen> createState() => _GenerateScreenState();
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}
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class _GenerateScreenState extends State<GenerateScreen> {
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final _picker = ImagePicker();
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File? _picked;
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File? _picked2;
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String _heatmap = '720p';
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bool _busy = false;
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static const double _slotW = 112;
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static const double _slotH = 108;
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static const double _previewH = 359;
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static const double _previewOuterR = 20;
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static const double _previewBorderW = 1.5;
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File? get _primaryFile => _picked ?? _picked2;
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/// 双图：仅当扩展配置 `img_need == 2`（与 [ExtConfigItem.imgNeed] 一致）。
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bool get _needTwoImages => widget.template?.imgNeed == 2;
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Future<void> _pickSlot(int slot) async {
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if (!mounted) return;
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final source = await _showPickImageSourceSheet(context);
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if (source == null || !mounted) return;
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final x = await _picker.pickImage(
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source: source,
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imageQuality: 92,
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);
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if (x == null || !mounted) return;
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setState(() {
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if (slot == 0) {
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_picked = File(x.path);
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} else {
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_picked2 = File(x.path);
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}
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});
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}
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Future<ImageSource?> _showPickImageSourceSheet(BuildContext context) {
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return showModalBottomSheet<ImageSource>(
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context: context,
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backgroundColor: Colors.transparent,
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builder: (ctx) {
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return Container(
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decoration: const BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.vertical(top: Radius.circular(16)),
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boxShadow: [
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BoxShadow(
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color: Color(0x20000000),
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blurRadius: 16,
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offset: Offset(0, -4),
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),
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],
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),
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child: SafeArea(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const SizedBox(height: 12),
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Container(
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width: 40,
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height: 4,
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decoration: BoxDecoration(
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color: PencilTheme.genNavBackStroke,
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borderRadius: BorderRadius.circular(2),
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),
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),
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const SizedBox(height: 8),
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ListTile(
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leading: Icon(
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Icons.camera_alt_outlined,
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color: PencilTheme.profileAvatarIcon,
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),
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title: Text(
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'Camera',
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style: GoogleFonts.inter(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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color: PencilTheme.stone900,
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),
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),
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onTap: () => Navigator.pop(ctx, ImageSource.camera),
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),
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ListTile(
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leading: Icon(
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Icons.photo_library_outlined,
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color: PencilTheme.profileAvatarIcon,
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),
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title: Text(
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'Photo library',
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style: GoogleFonts.inter(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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color: PencilTheme.stone900,
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),
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),
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onTap: () => Navigator.pop(ctx, ImageSource.gallery),
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),
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const Divider(height: 1),
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ListTile(
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title: Text(
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'Cancel',
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textAlign: TextAlign.center,
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style: GoogleFonts.inter(
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fontWeight: FontWeight.w600,
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color: PencilTheme.stone600,
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),
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),
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onTap: () => Navigator.pop(ctx),
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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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Future<void> _start() async {
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final uid = UserState.userId.value;
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if (uid == null || uid.isEmpty) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Please sign in first.')),
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);
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return;
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}
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if (_needTwoImages) {
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if (_picked == null || _picked2 == null) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Please select two images first.')),
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);
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return;
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}
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} else {
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final file = _primaryFile;
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if (file == null) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Please select an image first.')),
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);
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return;
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}
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}
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setState(() => _busy = true);
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try {
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final ImagePresignedUploadCreateTaskResult result;
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if (_needTwoImages) {
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result = await ImagePresignedUploadCreateTaskFlow.runTwoSourceFiles(
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sourceFile1: _picked!,
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sourceFile2: _picked2!,
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userId: uid,
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heatmap: _heatmap,
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cipher: '',
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compressFirst: true,
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compressOptions: const CompressImageForUploadOptions(
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maxSide: 1024,
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jpegQuality: 75,
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),
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saveLocalUploadCover: true,
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);
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} else {
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result = await ImagePresignedUploadCreateTaskFlow.run(
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sourceFile: _primaryFile!,
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userId: uid,
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heatmap: _heatmap,
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cipher: '',
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compressFirst: true,
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compressOptions: const CompressImageForUploadOptions(
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maxSide: 1024,
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jpegQuality: 75,
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),
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saveLocalUploadCover: true,
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);
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}
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final taskId = result.createResponse.taskId;
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if (taskId == null || taskId.isEmpty) {
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throw StateError('No task id');
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}
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await UserAccountRefresh.fetchAndNotify(
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app: currentBackendAppType(),
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userId: uid,
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onAccount: (a) {
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if (a.credits != null) UserState.setCredits(a.credits!);
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},
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);
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if (!mounted) return;
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Navigator.of(context).pushReplacement(
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MaterialPageRoute<void>(
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builder: (_) => GenerateProgressScreen(
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taskId: taskId,
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localPreviewPath: result.fileUsedForUpload.path,
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),
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),
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);
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(content: Text('$e')),
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);
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}
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} finally {
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if (mounted) setState(() => _busy = false);
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}
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}
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int get _estimatedCost {
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final c = widget.template?.cost ?? 0;
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return c > 0 ? c : 20;
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}
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@override
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Widget build(BuildContext context) {
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final credits = UserState.credits.value;
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return Container(
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decoration: const BoxDecoration(
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gradient: PencilTheme.yellowWhitePageGradient,
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),
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child: Scaffold(
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backgroundColor: Colors.transparent,
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body: SafeArea(
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bottom: false,
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child: Column(
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children: [
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Padding(
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padding: const EdgeInsets.fromLTRB(2, 0, 14, 10),
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child: SizedBox(
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height: 56,
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child: Row(
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children: [
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PencilRoundBackButton(
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onPressed: () => Navigator.of(context).pop(),
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),
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Expanded(
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child: Center(
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child: Text(
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'Generate',
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style: GoogleFonts.inter(
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fontSize: 19,
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fontWeight: FontWeight.w700,
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fontStyle: FontStyle.italic,
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color: PencilTheme.stone900,
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),
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),
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),
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),
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const SizedBox(width: 44),
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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.symmetric(horizontal: 16),
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child: _hintBox(),
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),
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const SizedBox(height: 8),
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Expanded(
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child: Padding(
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padding: const EdgeInsets.fromLTRB(16, 6, 16, 4),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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_needTwoImages ? _leftTwoSlotsColumn() : _leftSingleSlotColumn(),
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const SizedBox(width: 14),
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_equalsColumn(),
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const SizedBox(width: 14),
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Expanded(child: _effectPreviewPanel()),
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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.fromLTRB(20, 0, 20, 28),
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child: Column(
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children: [
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Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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_resoChip(
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'480p',
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_heatmap == '480p',
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() => setState(() => _heatmap = '480p'),
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),
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const SizedBox(width: 12),
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_resoChip(
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'720p',
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_heatmap == '720p',
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() => setState(() => _heatmap = '720p'),
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),
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],
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),
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const SizedBox(height: 12),
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FilledButton(
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style: FilledButton.styleFrom(
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backgroundColor: PencilTheme.underlineGold,
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foregroundColor: Colors.white,
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minimumSize: const Size.fromHeight(54),
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padding: const EdgeInsets.symmetric(vertical: 16),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(14),
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),
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),
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onPressed: _busy ? null : _start,
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child: _busy
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? const SizedBox(
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height: 22,
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width: 22,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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color: Colors.white,
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),
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)
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: Text(
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'Start',
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style: GoogleFonts.inter(
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fontSize: 16,
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fontWeight: FontWeight.w700,
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),
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),
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),
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const SizedBox(height: 12),
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Text(
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'Est. cost · $_estimatedCost credits',
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textAlign: TextAlign.center,
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style: GoogleFonts.inter(
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fontSize: 13,
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fontWeight: FontWeight.w600,
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color: PencilTheme.stone600,
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),
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),
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const SizedBox(height: 8),
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Text(
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'Balance · ${credits.toStringAsFixed(2)}',
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style: GoogleFonts.inter(
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fontSize: 12,
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color: PencilTheme.inkSoft,
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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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),
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);
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}
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/// 设计稿 Lcol：114 宽，双槽 112×108，中间 32 高加号。
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Widget _leftTwoSlotsColumn() {
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return SizedBox(
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width: 114,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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_imageSlot(slotIndex: 0, label: 'Image 1'),
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const SizedBox(height: 10),
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SizedBox(
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height: 32,
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child: Center(
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child: Icon(
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Icons.add,
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size: 24,
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color: PencilTheme.profileCredits,
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),
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),
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),
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const SizedBox(height: 10),
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_imageSlot(slotIndex: 1, label: 'Image 2'),
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],
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),
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);
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}
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/// 单图：仅 `img_need != 2` 或视频菜单开启时；槽位尺寸与设计一致。
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Widget _leftSingleSlotColumn() {
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return SizedBox(
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width: 114,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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_imageSlot(slotIndex: 0, label: 'Image 1'),
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],
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),
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);
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}
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Widget _equalsColumn() {
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return SizedBox(
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width: 32,
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child: Center(
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child: Text(
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'=',
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style: GoogleFonts.inter(
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fontSize: 26,
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fontWeight: FontWeight.w800,
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color: PencilTheme.profileCredits,
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),
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),
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),
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);
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}
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/// 设计稿 prevBx：高 359，圆角 20，描边 #FBBF24。
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/// 描边叠在图片之上（否则子组件会先盖住 decoration 内缘的线）。
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Widget _effectPreviewPanel() {
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final t = widget.template;
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final url = t?.image.trim() ?? '';
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final fix = t?.imageFix?.trim();
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final innerR = _previewOuterR - _previewBorderW;
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return SizedBox(
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height: _previewH,
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child: Container(
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(_previewOuterR),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.08),
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blurRadius: 24,
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offset: const Offset(0, 8),
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),
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],
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),
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clipBehavior: Clip.none,
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child: Stack(
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fit: StackFit.expand,
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children: [
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ClipRRect(
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borderRadius: BorderRadius.circular(innerR),
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child: _buildPreviewImageLayer(url, fix),
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),
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Positioned.fill(
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child: IgnorePointer(
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child: DecoratedBox(
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(_previewOuterR),
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border: Border.all(
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color: PencilTheme.profileAvatarRing,
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width: _previewBorderW,
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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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);
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}
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Widget _buildPreviewImageLayer(String url, String? fix) {
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if (url.isNotEmpty) {
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return CachedNetworkImage(
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imageUrl: url,
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fit: BoxFit.cover,
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width: double.infinity,
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height: _previewH,
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placeholder: (_, _) => _previewPlaceholder(loading: true),
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errorWidget: (_, _, _) {
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if (fix != null && fix.isNotEmpty) {
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return CachedNetworkImage(
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imageUrl: fix,
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fit: BoxFit.cover,
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width: double.infinity,
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height: _previewH,
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errorWidget: (_, _, _) => _previewPlaceholder(),
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);
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}
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return _previewPlaceholder();
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},
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);
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}
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if (fix != null && fix.isNotEmpty) {
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return CachedNetworkImage(
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imageUrl: fix,
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fit: BoxFit.cover,
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width: double.infinity,
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height: _previewH,
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errorWidget: (_, _, _) => _previewPlaceholder(),
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);
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}
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return _previewPlaceholder();
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}
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Widget _previewPlaceholder({bool loading = false}) {
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return Container(
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color: PencilTheme.cardThumbBg,
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alignment: Alignment.center,
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child: loading
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? SizedBox(
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width: 28,
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height: 28,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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color: PencilTheme.profileAvatarIcon.withValues(alpha: 0.8),
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),
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)
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: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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Icons.auto_awesome_outlined,
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size: 40,
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color: PencilTheme.stone600.withValues(alpha: 0.5),
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),
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const SizedBox(height: 8),
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Text(
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'Preview',
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style: GoogleFonts.inter(
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fontSize: 13,
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fontWeight: FontWeight.w600,
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color: PencilTheme.stone600.withValues(alpha: 0.75),
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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 _imageSlot({required int slotIndex, required String label}) {
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final file = slotIndex == 0 ? _picked : _picked2;
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return SizedBox(
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width: _slotW,
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height: _slotH,
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child: Material(
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color: Colors.white,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(16),
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side: const BorderSide(
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color: PencilTheme.genSlotBorder,
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width: 1.5,
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),
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),
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child: InkWell(
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onTap: () => _pickSlot(slotIndex),
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borderRadius: BorderRadius.circular(16),
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child: file == null
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? Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
|
||
Icons.add_photo_alternate_outlined,
|
||
color: PencilTheme.profileAvatarIcon,
|
||
size: 26,
|
||
),
|
||
const SizedBox(height: 6),
|
||
Text(
|
||
label,
|
||
style: GoogleFonts.inter(
|
||
fontSize: 11,
|
||
fontWeight: FontWeight.w700,
|
||
color: PencilTheme.stone600,
|
||
),
|
||
),
|
||
],
|
||
)
|
||
: ClipRRect(
|
||
borderRadius: BorderRadius.circular(14),
|
||
child: Image.file(file, fit: BoxFit.cover),
|
||
),
|
||
),
|
||
),
|
||
);
|
||
}
|
||
|
||
Widget _hintBox() {
|
||
return Container(
|
||
padding: const EdgeInsets.fromLTRB(18, 14, 18, 12),
|
||
decoration: BoxDecoration(
|
||
color: Colors.white,
|
||
borderRadius: BorderRadius.circular(10),
|
||
border: Border.all(color: PencilTheme.genHintBorder),
|
||
boxShadow: [
|
||
BoxShadow(
|
||
color: const Color(0x30CA8A04),
|
||
blurRadius: 20,
|
||
offset: const Offset(0, 6),
|
||
),
|
||
],
|
||
),
|
||
child: Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
Row(
|
||
children: [
|
||
Icon(Icons.auto_awesome,
|
||
size: 18, color: PencilTheme.profileAvatarIcon),
|
||
const SizedBox(width: 8),
|
||
Text(
|
||
'Upload tips',
|
||
style: GoogleFonts.inter(
|
||
fontSize: 13,
|
||
fontWeight: FontWeight.w700,
|
||
color: PencilTheme.genHintTitle,
|
||
),
|
||
),
|
||
],
|
||
),
|
||
const SizedBox(height: 8),
|
||
Text(
|
||
'Upload JPG or PNG (≤ 5 MB each, up to 2). You can use the camera or photo library. Use clear, front-facing photos when possible.',
|
||
style: GoogleFonts.inter(
|
||
fontSize: 13,
|
||
fontWeight: FontWeight.w500,
|
||
height: 1.45,
|
||
color: PencilTheme.stone600,
|
||
),
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
|
||
Widget _resoChip(String t, bool on, VoidCallback fn) {
|
||
return Material(
|
||
color: on ? PencilTheme.underlineGold.withValues(alpha: 0.2) : Colors.white,
|
||
shape: RoundedRectangleBorder(
|
||
borderRadius: BorderRadius.circular(12),
|
||
side: BorderSide(
|
||
color: on ? PencilTheme.underlineGold : PencilTheme.genNavBackStroke,
|
||
),
|
||
),
|
||
child: InkWell(
|
||
onTap: fn,
|
||
borderRadius: BorderRadius.circular(12),
|
||
child: Padding(
|
||
padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10),
|
||
child: Text(
|
||
t,
|
||
style: GoogleFonts.inter(
|
||
fontWeight: FontWeight.w600,
|
||
color: PencilTheme.stone900,
|
||
),
|
||
),
|
||
),
|
||
),
|
||
);
|
||
}
|
||
}
|