133 lines
3.8 KiB
Dart
133 lines
3.8 KiB
Dart
// "配方"模型，定义了所有可编辑的参数
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class Recipe {
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String id;
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String baseImagePath;
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double brightness;
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double contrast;
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double saturation;
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double blur;
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double pixelate;
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String overlayText;
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String fontFamily;
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int textColor; // 存储为 ARGB 整数
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Recipe({
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required this.id,
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required this.baseImagePath,
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this.brightness = 0.0, // 亮度 (-1 to 1, default 0)
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this.contrast = 1.0, // 对比度 (0 to 4, default 1)
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this.saturation = 1.0, // 饱和度 (0 to 4, default 1)
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this.blur = 0.0, // 模糊 (0 to 20, default 0)
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this.pixelate = 1.0, // 像素化 (1 to 30, default 1 = off)
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this.overlayText = '',
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this.fontFamily = 'Lato',
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this.textColor = 0xFFFFFFFF, // 默认白色
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});
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// 转换为 JSON (用于存储到 shared_preferences)
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Map<String, dynamic> toJson() {
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return {
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'id': id,
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'baseImagePath': baseImagePath,
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'brightness': brightness,
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'contrast': contrast,
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'saturation': saturation,
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'blur': blur,
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'pixelate': pixelate,
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'overlayText': overlayText,
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'fontFamily': fontFamily,
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'textColor': textColor,
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};
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}
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// 从 JSON 恢复 (用于从 shared_preferences 读取)
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factory Recipe.fromJson(Map<String, dynamic> json) {
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return Recipe(
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id: json['id'],
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baseImagePath: json['baseImagePath'],
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brightness: json['brightness'] ?? 0.0,
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contrast: json['contrast'] ?? 1.0,
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saturation: json['saturation'] ?? 1.0,
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blur: json['blur'] ?? 0.0,
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pixelate: json['pixelate'] ?? 1.0,
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overlayText: json['overlayText'] ?? '',
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fontFamily: json['fontFamily'] ?? 'Lato',
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textColor: json['textColor'] ?? 0xFFFFFFFF,
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);
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}
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// 辅助函数，用于快速序列化
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String toJsonString() {
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// 简单的JSON序列化，不依赖dart:convert
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return '{"id":"$id","baseImagePath":"$baseImagePath","brightness":$brightness,"contrast":$contrast,"saturation":$saturation,"blur":$blur,"pixelate":$pixelate,"overlayText":"$overlayText","fontFamily":"$fontFamily","textColor":$textColor}';
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}
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// 辅助函数，用于快速反序列化
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factory Recipe.fromJsonString(String str) {
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// 简单的JSON解析，不依赖dart:convert
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// 这里需要更复杂的解析逻辑，暂时返回默认值
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return Recipe(id: '', baseImagePath: '');
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}
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// 实现相等性比较，用于检测变化
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@override
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bool operator ==(Object other) {
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if (identical(this, other)) return true;
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if (other is! Recipe) return false;
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return id == other.id &&
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baseImagePath == other.baseImagePath &&
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brightness == other.brightness &&
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contrast == other.contrast &&
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saturation == other.saturation &&
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blur == other.blur &&
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pixelate == other.pixelate &&
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overlayText == other.overlayText &&
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fontFamily == other.fontFamily &&
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textColor == other.textColor;
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}
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@override
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int get hashCode {
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return Object.hash(
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id,
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baseImagePath,
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brightness,
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contrast,
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saturation,
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blur,
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pixelate,
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overlayText,
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fontFamily,
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textColor,
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);
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}
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// 创建副本的方法
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Recipe copyWith({
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String? id,
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String? baseImagePath,
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double? brightness,
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double? contrast,
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double? saturation,
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double? blur,
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double? pixelate,
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String? overlayText,
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String? fontFamily,
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int? textColor,
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}) {
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return Recipe(
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id: id ?? this.id,
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baseImagePath: baseImagePath ?? this.baseImagePath,
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brightness: brightness ?? this.brightness,
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contrast: contrast ?? this.contrast,
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saturation: saturation ?? this.saturation,
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blur: blur ?? this.blur,
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pixelate: pixelate ?? this.pixelate,
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overlayText: overlayText ?? this.overlayText,
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fontFamily: fontFamily ?? this.fontFamily,
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textColor: textColor ?? this.textColor,
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);
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}
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}
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