d0653614e0
Flutter 手写引擎 (Phase F3): - stroke_model.dart: 笔画数据模型 (StrokePoint/Stroke/BrushType) - stroke_renderer.dart: perfect_freehand 渲染管线 + 四画笔参数 - handwriting_canvas.dart: Listener 输入 + 掌心抑制 + 去抖过滤 - editor_bloc.dart: BLoC 状态管理 + 撤销/重做 (50步) Rust 日记 CRUD + 同步 (Phase B2): - journal_service.rs: CRUD + 软删除 + 分页列表 + 事件发布 - sync_service.rs: 版本号同步 + 冲突检测 - journal_handler.rs: 5个API端点 + utoipa注解 + 权限守卫 - sync_handler.rs: 同步API端点 - error.rs: From<DiaryError> for AppError + 8个单元测试 - 路由注册: /diary/journals + /diary/sync 验证: - cargo check: 0 error - cargo test: 433 测试全通过 - flutter analyze: 1 warning (unused private param)
112 lines
2.6 KiB
Dart
112 lines
2.6 KiB
Dart
// 笔画数据模型 — 手写不可变类（避免 build_runner 依赖）
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import 'dart:collection';
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/// 画笔类型
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enum BrushType {
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pen('pen'),
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pencil('pencil'),
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marker('marker'),
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eraser('eraser');
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const BrushType(this.value);
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final String value;
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}
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/// 笔画点
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class StrokePoint {
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const StrokePoint({
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required this.x,
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required this.y,
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this.pressure = 0.5,
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this.timestamp = 0,
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});
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final double x;
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final double y;
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final double pressure;
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final int timestamp;
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StrokePoint copyWith({
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double? x,
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double? y,
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double? pressure,
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int? timestamp,
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}) =>
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StrokePoint(
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x: x ?? this.x,
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y: y ?? this.y,
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pressure: pressure ?? this.pressure,
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timestamp: timestamp ?? this.timestamp,
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);
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Map<String, dynamic> toJson() => {
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'x': x,
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'y': y,
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'pressure': pressure,
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'timestamp': timestamp,
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};
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factory StrokePoint.fromJson(Map<String, dynamic> json) => StrokePoint(
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x: (json['x'] as num).toDouble(),
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y: (json['y'] as num).toDouble(),
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pressure: (json['pressure'] as num?)?.toDouble() ?? 0.5,
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timestamp: (json['timestamp'] as int?) ?? 0,
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);
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}
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/// 笔画
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class Stroke {
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const Stroke({
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required this.id,
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required this.points,
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this.brushType = BrushType.pen,
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this.color = '#2D2420',
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this.width = 3.0,
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});
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final String id;
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final List<StrokePoint> points;
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final BrushType brushType;
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final String color;
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final double width;
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Stroke copyWith({
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String? id,
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List<StrokePoint>? points,
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BrushType? brushType,
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String? color,
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double? width,
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}) =>
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Stroke(
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id: id ?? this.id,
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points: points ?? this.points,
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brushType: brushType ?? this.brushType,
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color: color ?? this.color,
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width: width ?? this.width,
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);
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Map<String, dynamic> toJson() => {
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'id': id,
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'points': points.map((p) => p.toJson()).toList(),
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'brushType': brushType.value,
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'color': color,
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'width': width,
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};
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factory Stroke.fromJson(Map<String, dynamic> json) => Stroke(
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id: json['id'] as String,
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points: UnmodifiableListView(
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(json['points'] as List)
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.map((p) => StrokePoint.fromJson(p as Map<String, dynamic>))
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.toList(),
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),
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brushType: BrushType.values.firstWhere(
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(b) => b.value == json['brushType'],
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orElse: () => BrushType.pen,
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),
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color: (json['color'] as String?) ?? '#2D2420',
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width: (json['width'] as num?)?.toDouble() ?? 3.0,
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);
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}
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