108 lines
3.0 KiB
Dart
108 lines
3.0 KiB
Dart
import 'dart:math' as math;
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import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:gap/gap.dart';
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import 'package:photo_view/photo_view.dart';
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import 'package:material_symbols_icons/symbols.dart';
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class ImageControlOverlay extends HookWidget {
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final PhotoViewController photoViewController;
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final ValueNotifier<int> rotation;
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final bool showOriginal;
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final VoidCallback onToggleQuality;
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final List<Widget>? extraButtons;
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final bool showExtraOnLeft;
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final bool showExifInfo;
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final VoidCallback onToggleExif;
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final bool hasExifData;
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const ImageControlOverlay({
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super.key,
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required this.photoViewController,
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required this.rotation,
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required this.showOriginal,
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required this.onToggleQuality,
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this.extraButtons,
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this.showExtraOnLeft = false,
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this.showExifInfo = false,
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required this.onToggleExif,
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this.hasExifData = true,
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});
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@override
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Widget build(BuildContext context) {
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final shadow = [
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Shadow(
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color: Colors.black54,
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blurRadius: 5.0,
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offset: const Offset(1.0, 1.0),
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),
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];
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final controlButtons = [
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IconButton(
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icon: Icon(Icons.remove, color: Colors.white, shadows: shadow),
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onPressed: () {
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photoViewController.scale = (photoViewController.scale ?? 1) - 0.05;
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},
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),
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IconButton(
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icon: Icon(Icons.add, color: Colors.white, shadows: shadow),
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onPressed: () {
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photoViewController.scale = (photoViewController.scale ?? 1) + 0.05;
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},
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),
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const Gap(8),
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IconButton(
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icon: Icon(Icons.rotate_left, color: Colors.white, shadows: shadow),
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onPressed: () {
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rotation.value = (rotation.value - 1) % 4;
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photoViewController.rotation = rotation.value * -math.pi / 2;
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},
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),
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IconButton(
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icon: Icon(Icons.rotate_right, color: Colors.white, shadows: shadow),
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onPressed: () {
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rotation.value = (rotation.value + 1) % 4;
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photoViewController.rotation = rotation.value * -math.pi / 2;
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},
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),
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if (hasExifData) ...[
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const Gap(8),
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IconButton(
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icon: Icon(
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showExifInfo ? Icons.visibility : Icons.visibility_off,
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color: Colors.white,
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shadows: shadow,
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),
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onPressed: onToggleExif,
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),
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],
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];
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return Positioned(
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bottom: MediaQuery.of(context).padding.bottom + 16,
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left: 16,
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right: 16,
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child: Row(
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children: showExtraOnLeft
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? [...?extraButtons, const Spacer(), ...controlButtons]
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: [
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...controlButtons,
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const Spacer(),
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IconButton(
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onPressed: onToggleQuality,
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icon: Icon(
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showOriginal ? Symbols.hd : Symbols.sd,
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color: Colors.white,
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shadows: shadow,
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),
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),
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...?extraButtons,
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],
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),
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);
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}
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}
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