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水印相机前端

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Aqroid
2026-09-28 09:59:43 +08:00
parent 187a7e0911
commit c5b3d81d07
19 changed files with 2761 additions and 3 deletions
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lib/pages/watermark/widgets/watermark_content_sheet.dart
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import 'package:flutter/material.dart';
import '../../../models/watermark.dart';
/// 编辑这一张照片的水印内容（地址 / 天气 / 温度 / 备注）
///
/// 返回 null 表示用户取消了。时间不在这里改 —— 它总是「现在」，
/// 让用户手改反而容易把水印弄成假的时间。
Future<WatermarkData?> showWatermarkContentSheet(
BuildContext context, {
required WatermarkData initial,
}) {
return showModalBottomSheet<WatermarkData>(
context: context,
backgroundColor: Colors.white,
isScrollControlled: true,
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
),
builder: (_) => _WatermarkContentSheet(initial: initial),
);
}
class _WatermarkContentSheet extends StatefulWidget {
const _WatermarkContentSheet({required this.initial});
final WatermarkData initial;
@override
State<_WatermarkContentSheet> createState() => _WatermarkContentSheetState();
}
class _WatermarkContentSheetState extends State<_WatermarkContentSheet> {
late final TextEditingController _address;
late final TextEditingController _weather;
late final TextEditingController _temperature;
late final TextEditingController _remark;
@override
void initState() {
super.initState();
_address = TextEditingController(text: widget.initial.address);
_weather = TextEditingController(text: widget.initial.weather);
_temperature = TextEditingController(text: widget.initial.temperature);
_remark = TextEditingController(text: widget.initial.remark);
}
@override
void dispose() {
_address.dispose();
_weather.dispose();
_temperature.dispose();
_remark.dispose();
super.dispose();
}
void _submit() {
Navigator.of(context).pop(
widget.initial.copyWith(
address: _address.text.trim(),
weather: _weather.text.trim(),
temperature: _temperature.text.trim(),
remark: _remark.text.trim(),
),
);
}
@override
Widget build(BuildContext context) {
return Padding(
// 键盘弹出时把内容顶上去，否则输入框会被挡住
padding: EdgeInsets.only(bottom: MediaQuery.viewInsetsOf(context).bottom),
child: SafeArea(
child: SingleChildScrollView(
padding: const EdgeInsets.fromLTRB(20, 16, 20, 20),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
const Center(
child: Text(
'编辑水印内容',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
color: Color(0xFF5D4037),
),
),
),
const SizedBox(height: 18),
_field(label: '地址', controller: _address, hint: '自动定位，也可手改'),
_field(label: '天气', controller: _weather, hint: '如：晴'),
_field(label: '温度', controller: _temperature, hint: '如：25℃'),
_field(label: '备注', controller: _remark, hint: '想写点什么'),
const SizedBox(height: 20),
Row(
children: [
Expanded(
child: SizedBox(
height: 46,
child: OutlinedButton(
onPressed: () => Navigator.of(context).pop(),
style: OutlinedButton.styleFrom(
foregroundColor: const Color(0xFFC8956E),
side: const BorderSide(color: Color(0xFFC8956E)),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(23),
),
),
child: const Text('取消'),
),
),
),
const SizedBox(width: 12),
Expanded(
child: SizedBox(
height: 46,
child: FilledButton(
onPressed: _submit,
style: FilledButton.styleFrom(
backgroundColor: const Color(0xFFC8956E),
foregroundColor: Colors.white,
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(23),
),
),
child: const Text('确定'),
),
),
),
],
),
],
),
),
),
);
}
Widget _field({
required String label,
required TextEditingController controller,
required String hint,
}) {
return Padding(
padding: const EdgeInsets.only(bottom: 14),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
label,
style: const TextStyle(fontSize: 13, color: Color(0xFF8D6E63)),
),
const SizedBox(height: 6),
Container(
padding: const EdgeInsets.symmetric(horizontal: 14),
decoration: BoxDecoration(
color: const Color(0xFFF7F4F1),
borderRadius: BorderRadius.circular(10),
),
child: TextField(
controller: controller,
style: const TextStyle(fontSize: 14, color: Color(0xFF5D4037)),
decoration: InputDecoration(
border: InputBorder.none,
isDense: true,
contentPadding: const EdgeInsets.symmetric(vertical: 13),
hintText: hint,
hintStyle: const TextStyle(fontSize: 14, color: Color(0xFFD7CCC8)),
),
),
),
],
),
);
}
}
lib/pages/watermark/widgets/watermark_settings_sheet.dart
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import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../../../providers/watermark_provider.dart';
/// 水印设置（开关 + 文字颜色）
///
/// 用底部弹层而不是独立页面：编辑页里改完能立刻在预览上看到效果，
/// 入口页也能从同一个地方进。
Future<void> showWatermarkSettingsSheet(BuildContext context) {
return showModalBottomSheet<void>(
context: context,
backgroundColor: Colors.white,
isScrollControlled: true,
shape: const RoundedRectangleBorder(
borderRadius: BorderRadius.vertical(top: Radius.circular(20)),
),
builder: (_) => const _WatermarkSettingsSheet(),
);
}
/// 可选文字颜色。白色是默认 —— 深色照片上最通用；浅色照片可以换黑色或暖黄。
const List<({String label, int value})> _textColors = [
(label: '白', value: 0xFFFFFFFF),
(label: '黑', value: 0xFF000000),
(label: '暖黄', value: 0xFFFFD54F),
(label: '品牌黄', value: 0xFFFFB800),
(label: '品牌棕', value: 0xFFC8956E),
(label: '浅蓝', value: 0xFF4FC3F7),
];
class _WatermarkSettingsSheet extends ConsumerWidget {
const _WatermarkSettingsSheet();
@override
Widget build(BuildContext context, WidgetRef ref) {
final settings = ref.watch(watermarkSettingsProvider);
final notifier = ref.read(watermarkSettingsProvider.notifier);
return SafeArea(
child: SingleChildScrollView(
padding: const EdgeInsets.fromLTRB(20, 16, 20, 20),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
const Center(
child: Text(
'水印设置',
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w600,
color: Color(0xFF5D4037),
),
),
),
const SizedBox(height: 18),
_sectionTitle('显示内容'),
_switchRow(
'时间',
'如 2026.09.28 14:30',
settings.showTime,
(v) => notifier.update(settings.copyWith(showTime: v)),
),
_switchRow(
'地点',
'自动定位，也可在编辑页手填',
settings.showAddress,
(v) => notifier.update(settings.copyWith(showAddress: v)),
),
_switchRow(
'天气温度',
'如 晴 25℃（拿不到时这一行不显示）',
settings.showWeather,
(v) => notifier.update(settings.copyWith(showWeather: v)),
),
_switchRow(
'备注',
'每张照片单独填',
settings.showRemark,
(v) => notifier.update(settings.copyWith(showRemark: v)),
),
_switchRow(
'右下角品牌角标',
'相机图标 + 水印相机',
settings.showBrand,
(v) => notifier.update(settings.copyWith(showBrand: v)),
),
const SizedBox(height: 18),
_sectionTitle('文字颜色'),
const SizedBox(height: 10),
Wrap(
spacing: 12,
runSpacing: 12,
children: _textColors.map((c) {
final selected = settings.colorValue == c.value;
return GestureDetector(
onTap: () => notifier.update(settings.copyWith(colorValue: c.value)),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: 38,
height: 38,
decoration: BoxDecoration(
color: Color(c.value),
shape: BoxShape.circle,
border: Border.all(
color: selected
? const Color(0xFFC8956E)
: const Color(0xFFE0E0E0),
width: selected ? 3 : 1,
),
),
child: selected
? Icon(
Icons.check,
size: 18,
color: _isLight(c.value)
? const Color(0xFF5D4037)
: Colors.white,
)
: null,
),
const SizedBox(height: 4),
Text(
c.label,
style: const TextStyle(fontSize: 11, color: Color(0xFF8D6E63)),
),
],
),
);
}).toList(),
),
const SizedBox(height: 18),
_sectionTitle('水印位置'),
const SizedBox(height: 8),
Container(
padding: const EdgeInsets.fromLTRB(14, 12, 14, 12),
decoration: BoxDecoration(
color: const Color(0xFFFFF3E6),
borderRadius: BorderRadius.circular(12),
),
child: Row(
children: [
const Expanded(
child: Text(
'位置在编辑页直接拖动水印调整，会自动记住',
style: TextStyle(fontSize: 13, color: Color(0xFF6D4C41), height: 1.5),
),
),
if (settings.hasCustomPosition)
TextButton(
onPressed: notifier.resetPosition,
child: const Text(
'恢复默认',
style: TextStyle(fontSize: 13, color: Color(0xFFC8956E)),
),
),
],
),
),
],
),
),
);
}
Widget _sectionTitle(String text) {
return Text(
text,
style: const TextStyle(
fontSize: 13,
fontWeight: FontWeight.w600,
color: Color(0xFF8D6E63),
),
);
}
Widget _switchRow(String label, String hint, bool value, ValueChanged<bool> onChanged) {
return InkWell(
onTap: () => onChanged(!value),
borderRadius: BorderRadius.circular(10),
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 2),
child: Row(
children: [
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
label,
style: const TextStyle(fontSize: 15, color: Color(0xFF5D4037)),
),
const SizedBox(height: 2),
Text(
hint,
style: const TextStyle(fontSize: 11.5, color: Color(0xFFBCAAA4)),
),
],
),
),
Switch(value: value, onChanged: onChanged),
],
),
),
);
}
/// 浅色底上的对勾要用深色，不然看不见
static bool _isLight(int argb) {
final r = (argb >> 16) & 0xFF;
final g = (argb >> 8) & 0xFF;
final b = argb & 0xFF;
return (r * 299 + g * 587 + b * 114) / 1000 > 160;
}
}