Initial upload: aesthetic-immich-starter

flutter_app/.gitignore

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+# Miscellaneous
+*.class
+*.log
+*.pyc
+*.swp
+.DS_Store
+.atom/
+.build/
+.buildlog/
+.history
+.svn/
+.swiftpm/
+migrate_working_dir/
+
+# IntelliJ related
+*.iml
+*.ipr
+*.iws
+.idea/
+
+# The .vscode folder contains launch configuration and tasks you configure in
+# VS Code which you may wish to be included in version control, so this line
+# is commented out by default.
+#.vscode/
+
+# Flutter/Dart/Pub related
+**/doc/api/
+**/ios/Flutter/.last_build_id
+.dart_tool/
+.flutter-plugins-dependencies
+.pub-cache/
+.pub/
+/build/
+/coverage/
+
+# Symbolication related
+app.*.symbols
+
+# Obfuscation related
+app.*.map.json
+
+# Android Studio will place build artifacts here
+/android/app/debug
+/android/app/profile
+/android/app/release

flutter_app/.metadata

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+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: "924134a44c189315be2148659913dda1671cbe99"
+  channel: "stable"
+
+project_type: app
+
+# Tracks metadata for the flutter migrate command
+migration:
+  platforms:
+    - platform: root
+      create_revision: 924134a44c189315be2148659913dda1671cbe99
+      base_revision: 924134a44c189315be2148659913dda1671cbe99
+    - platform: android
+      create_revision: 924134a44c189315be2148659913dda1671cbe99
+      base_revision: 924134a44c189315be2148659913dda1671cbe99
+
+  # User provided section
+
+  # List of Local paths (relative to this file) that should be
+  # ignored by the migrate tool.
+  #
+  # Files that are not part of the templates will be ignored by default.
+  unmanaged_files:
+    - 'lib/main.dart'
+    - 'ios/Runner.xcodeproj/project.pbxproj'

flutter_app/README.md

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+# Aesthetic Immich Planner - Patch V2.4 Visages Immich
+
+## Ce patch ajoute
+
+- Liste des personnes reconnues par Immich dans l'application.
+- Bouton **Visages Immich** dans le dossier patient.
+- Recherche d'une personne Immich par nom.
+- Affichage des miniatures de visages reconnues par Immich.
+- Import du visage sélectionné dans le dossier patient comme photo `face`.
+- Envoi automatique de cette photo dans l'album Immich du patient.
+
+## Fichiers à copier
+
+Copier ces fichiers dans le projet existant :
+
+```text
+backend/app/main.py
+backend/app/schemas.py
+backend/app/services/immich.py
+flutter_app/lib/api_service.dart
+flutter_app/lib/main.dart
+```
+
+## Important
+
+La clé API Immich doit avoir au minimum les droits :
+
+- `person.read`
+- `asset.read`
+- `asset.upload`
+- `album.read`
+- `album.create`
+- `album.update`
+
+## Relance
+
+Backend :
+
+```powershell
+cd D:\07-Logiciels\19-aesthetic_immich_starter\backend
+.\.venv\Scripts\python.exe -m uvicorn app.main:app --reload --host 0.0.0.0 --port 8000
+```
+
+Flutter :
+
+```powershell
+cd D:\07-Logiciels\19-aesthetic_immich_starter\flutter_app
+flutter pub get
+flutter run -d windows
+```
+
+Ou Android :
+
+```powershell
+flutter run -d f10778d8
+```
+
+## Test rapide
+
+Dans Chrome :
+
+```text
+http://127.0.0.1:8000/immich/people
+```
+
+Puis dans l'app :
+
+1. Ouvrir un patient.
+2. Cliquer **Visages Immich**.
+3. Choisir un visage reconnu.
+4. Vérifier qu'une nouvelle carte `visage Immich` apparaît dans le dossier patient.

flutter_app/analysis_options.yaml

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+# This file configures the analyzer, which statically analyzes Dart code to
+# check for errors, warnings, and lints.
+#
+# The issues identified by the analyzer are surfaced in the UI of Dart-enabled
+# IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be
+# invoked from the command line by running `flutter analyze`.
+
+# The following line activates a set of recommended lints for Flutter apps,
+# packages, and plugins designed to encourage good coding practices.
+include: package:flutter_lints/flutter.yaml
+
+linter:
+  # The lint rules applied to this project can be customized in the
+  # section below to disable rules from the `package:flutter_lints/flutter.yaml`
+  # included above or to enable additional rules. A list of all available lints
+  # and their documentation is published at https://dart.dev/lints.
+  #
+  # Instead of disabling a lint rule for the entire project in the
+  # section below, it can also be suppressed for a single line of code
+  # or a specific dart file by using the `// ignore: name_of_lint` and
+  # `// ignore_for_file: name_of_lint` syntax on the line or in the file
+  # producing the lint.
+  rules:
+    # avoid_print: false  # Uncomment to disable the `avoid_print` rule
+    # prefer_single_quotes: true  # Uncomment to enable the `prefer_single_quotes` rule
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options

flutter_app/android/.gitignore

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+gradle-wrapper.jar
+/.gradle
+/captures/
+/gradlew
+/gradlew.bat
+/local.properties
+GeneratedPluginRegistrant.java
+.cxx/
+
+# Remember to never publicly share your keystore.
+# See https://flutter.dev/to/reference-keystore
+key.properties
+**/*.keystore
+**/*.jks

flutter_app/android/app/build.gradle.kts

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+plugins {
+    id("com.android.application")
+    // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
+    id("dev.flutter.flutter-gradle-plugin")
+}
+
+android {
+    namespace = "com.example.aesthetic_photo_planner"
+    compileSdk = flutter.compileSdkVersion
+    ndkVersion = flutter.ndkVersion
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+
+    defaultConfig {
+        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
+        applicationId = "com.example.aesthetic_photo_planner"
+        // You can update the following values to match your application needs.
+        // For more information, see: https://flutter.dev/to/review-gradle-config.
+        minSdk = flutter.minSdkVersion
+        targetSdk = flutter.targetSdkVersion
+        versionCode = flutter.versionCode
+        versionName = flutter.versionName
+    }
+
+    buildTypes {
+        release {
+            // TODO: Add your own signing config for the release build.
+            // Signing with the debug keys for now, so `flutter run --release` works.
+            signingConfig = signingConfigs.getByName("debug")
+        }
+    }
+}
+
+kotlin {
+    compilerOptions {
+        jvmTarget = org.jetbrains.kotlin.gradle.dsl.JvmTarget.JVM_17
+    }
+}
+
+flutter {
+    source = "../.."
+}

flutter_app/android/app/src/debug/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>

flutter_app/android/app/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+<uses-permission android:name="android.permission.INTERNET" />
+<uses-permission android:name="android.permission.CAMERA" />
+<uses-permission android:name="android.permission.READ_MEDIA_IMAGES" />
+<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" android:maxSdkVersion="32" />
+    <application
+        android:label="aesthetic_photo_planner"
+        android:name="${applicationName}"
+        android:icon="@mipmap/ic_launcher">
+	android:usesCleartextTraffic="true"
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:launchMode="singleTop"
+            android:taskAffinity=""
+            android:theme="@style/LaunchTheme"
+            android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
+            android:hardwareAccelerated="true"
+            android:windowSoftInputMode="adjustResize">
+            <!-- Specifies an Android theme to apply to this Activity as soon as
+                 the Android process has started. This theme is visible to the user
+                 while the Flutter UI initializes. After that, this theme continues
+                 to determine the Window background behind the Flutter UI. -->
+            <meta-data
+              android:name="io.flutter.embedding.android.NormalTheme"
+              android:resource="@style/NormalTheme"
+              />
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+        <!-- Don't delete the meta-data below.
+             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
+        <meta-data
+            android:name="flutterEmbedding"
+            android:value="2" />
+    </application>
+    <!-- Required to query activities that can process text, see:
+         https://developer.android.com/training/package-visibility and
+         https://developer.android.com/reference/android/content/Intent#ACTION_PROCESS_TEXT.
+
+         In particular, this is used by the Flutter engine in io.flutter.plugin.text.ProcessTextPlugin. -->
+    <queries>
+        <intent>
+            <action android:name="android.intent.action.PROCESS_TEXT"/>
+            <data android:mimeType="text/plain"/>
+        </intent>
+    </queries>
+</manifest>

flutter_app/android/app/src/main/kotlin/com/example/aesthetic_photo_planner/MainActivity.kt

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+package com.example.aesthetic_photo_planner
+
+import io.flutter.embedding.android.FlutterActivity
+
+class MainActivity : FlutterActivity()

flutter_app/android/app/src/main/res/drawable-v21/launch_background.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="?android:colorBackground" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

flutter_app/android/app/src/main/res/drawable/launch_background.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<!-- Modify this file to customize your launch splash screen -->
+<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@android:color/white" />
+
+    <!-- You can insert your own image assets here -->
+    <!-- <item>
+        <bitmap
+            android:gravity="center"
+            android:src="@mipmap/launch_image" />
+    </item> -->
+</layer-list>

flutter_app/android/app/src/main/res/values-night/styles.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is on -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Black.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

flutter_app/android/app/src/main/res/values/styles.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- Theme applied to the Android Window while the process is starting when the OS's Dark Mode setting is off -->
+    <style name="LaunchTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <!-- Show a splash screen on the activity. Automatically removed when
+             the Flutter engine draws its first frame -->
+        <item name="android:windowBackground">@drawable/launch_background</item>
+    </style>
+    <!-- Theme applied to the Android Window as soon as the process has started.
+         This theme determines the color of the Android Window while your
+         Flutter UI initializes, as well as behind your Flutter UI while its
+         running.
+
+         This Theme is only used starting with V2 of Flutter's Android embedding. -->
+    <style name="NormalTheme" parent="@android:style/Theme.Light.NoTitleBar">
+        <item name="android:windowBackground">?android:colorBackground</item>
+    </style>
+</resources>

flutter_app/android/app/src/profile/AndroidManifest.xml

@@ -0,0 +1,7 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+    <!-- The INTERNET permission is required for development. Specifically,
+         the Flutter tool needs it to communicate with the running application
+         to allow setting breakpoints, to provide hot reload, etc.
+    -->
+    <uses-permission android:name="android.permission.INTERNET"/>
+</manifest>

flutter_app/android/build.gradle.kts

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+allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+val newBuildDir: Directory =
+    rootProject.layout.buildDirectory
+        .dir("../../build")
+        .get()
+rootProject.layout.buildDirectory.value(newBuildDir)
+
+subprojects {
+    val newSubprojectBuildDir: Directory = newBuildDir.dir(project.name)
+    project.layout.buildDirectory.value(newSubprojectBuildDir)
+}
+subprojects {
+    project.evaluationDependsOn(":app")
+}
+
+tasks.register<Delete>("clean") {
+    delete(rootProject.layout.buildDirectory)
+}

flutter_app/android/gradle.properties

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+org.gradle.jvmargs=-Xmx8G -XX:MaxMetaspaceSize=4G -XX:ReservedCodeCacheSize=512m -XX:+HeapDumpOnOutOfMemoryError
+android.useAndroidX=true
+# This newDsl flag was added by the Flutter template
+android.newDsl=false
+# This builtInKotlin flag was added by the Flutter template
+android.builtInKotlin=false
+kotlin.incremental=false
+kotlin.compiler.execution.strategy=in-process

flutter_app/android/gradle/wrapper/gradle-wrapper.properties

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+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-all.zip

flutter_app/android/settings.gradle.kts

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+pluginManagement {
+    val flutterSdkPath =
+        run {
+            val properties = java.util.Properties()
+            file("local.properties").inputStream().use { properties.load(it) }
+            val flutterSdkPath = properties.getProperty("flutter.sdk")
+            require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
+            flutterSdkPath
+        }
+
+    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
+
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+
+plugins {
+    id("dev.flutter.flutter-plugin-loader") version "1.0.0"
+    id("com.android.application") version "9.0.1" apply false
+    id("org.jetbrains.kotlin.android") version "2.3.20" apply false
+}
+
+include(":app")

flutter_app/lib/api_service.dart

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+import 'dart:convert';
+import 'dart:io';
+import 'dart:typed_data';
+
+import 'package:http/http.dart' as http;
+import 'package:path_provider/path_provider.dart';
+
+import 'config.dart';
+
+class Patient {
+  final int id;
+  final String firstName;
+  final String lastName;
+  final String? birthDate;
+  final String? phone;
+  final String? email;
+  final String? procedure;
+  final String? status;
+  final String? consentSigned;
+  final String? notes;
+  final String? immichAlbumId;
+
+  Patient({
+    required this.id,
+    required this.firstName,
+    required this.lastName,
+    this.birthDate,
+    this.phone,
+    this.email,
+    this.procedure,
+    this.status,
+    this.consentSigned,
+    this.notes,
+    this.immichAlbumId,
+  });
+
+  factory Patient.fromJson(Map<String, dynamic> json) {
+    return Patient(
+      id: json['id'] as int,
+      firstName: (json['first_name'] ?? '') as String,
+      lastName: (json['last_name'] ?? '') as String,
+      birthDate: json['birth_date'] as String?,
+      phone: json['phone'] as String?,
+      email: json['email'] as String?,
+      procedure: json['procedure'] as String?,
+      status: json['status'] as String?,
+      consentSigned: json['consent_signed'] as String?,
+      notes: json['notes'] as String?,
+      immichAlbumId: json['immich_album_id'] as String?,
+    );
+  }
+
+  String get displayName => '$lastName $firstName'.trim();
+}
+
+class PatientPhoto {
+  final int id;
+  final int patientId;
+  final String kind;
+  final String filename;
+  final String immichAssetId;
+  final String? notes;
+  final DateTime? createdAt;
+
+  PatientPhoto({
+    required this.id,
+    required this.patientId,
+    required this.kind,
+    required this.filename,
+    required this.immichAssetId,
+    this.notes,
+    this.createdAt,
+  });
+
+  factory PatientPhoto.fromJson(Map<String, dynamic> json) {
+    return PatientPhoto(
+      id: json['id'] as int,
+      patientId: json['patient_id'] as int,
+      kind: json['kind'] as String,
+      filename: json['filename'] as String,
+      immichAssetId: json['immich_asset_id'] as String,
+      notes: json['notes'] as String?,
+      createdAt: DateTime.tryParse((json['created_at'] ?? '').toString()),
+    );
+  }
+}
+
+
+class ConsultationRecord {
+  final int id;
+  final int patientId;
+  final String? consultationDate;
+  final String? procedure;
+  final String? reason;
+  final String? plan;
+  final String? followUp;
+  final String? status;
+  final String? notes;
+  final DateTime? createdAt;
+
+  ConsultationRecord({
+    required this.id,
+    required this.patientId,
+    this.consultationDate,
+    this.procedure,
+    this.reason,
+    this.plan,
+    this.followUp,
+    this.status,
+    this.notes,
+    this.createdAt,
+  });
+
+  factory ConsultationRecord.fromJson(Map<String, dynamic> json) {
+    return ConsultationRecord(
+      id: json['id'] as int,
+      patientId: json['patient_id'] as int,
+      consultationDate: json['consultation_date'] as String?,
+      procedure: json['procedure'] as String?,
+      reason: json['reason'] as String?,
+      plan: json['plan'] as String?,
+      followUp: json['follow_up'] as String?,
+      status: json['status'] as String?,
+      notes: json['notes'] as String?,
+      createdAt: DateTime.tryParse((json['created_at'] ?? '').toString()),
+    );
+  }
+}
+
+
+class DocumentRecord {
+  final int id;
+  final int patientId;
+  final int? consultationId;
+  final String documentType;
+  final String title;
+  final String status;
+  final String? content;
+  final String? signedBy;
+  final String? signedAt;
+  final DateTime? createdAt;
+
+  DocumentRecord({
+    required this.id,
+    required this.patientId,
+    this.consultationId,
+    required this.documentType,
+    required this.title,
+    required this.status,
+    this.content,
+    this.signedBy,
+    this.signedAt,
+    this.createdAt,
+  });
+
+  factory DocumentRecord.fromJson(Map<String, dynamic> json) {
+    return DocumentRecord(
+      id: json['id'] as int,
+      patientId: json['patient_id'] as int,
+      consultationId: json['consultation_id'] as int?,
+      documentType: (json['document_type'] ?? 'autre') as String,
+      title: (json['title'] ?? 'Document') as String,
+      status: (json['status'] ?? 'brouillon') as String,
+      content: json['content'] as String?,
+      signedBy: json['signed_by'] as String?,
+      signedAt: json['signed_at'] as String?,
+      createdAt: DateTime.tryParse((json['created_at'] ?? '').toString()),
+    );
+  }
+}
+
+class ImmichPerson {
+  final String id;
+  final String? name;
+  final String thumbnailUrl;
+  final bool? isHidden;
+
+  ImmichPerson({
+    required this.id,
+    this.name,
+    required this.thumbnailUrl,
+    this.isHidden,
+  });
+
+  factory ImmichPerson.fromJson(Map<String, dynamic> json, String baseUrl) {
+    final rawThumbnail = (json['thumbnail_url'] ?? '') as String;
+    final resolvedThumbnail = rawThumbnail.startsWith('http') ? rawThumbnail : '$baseUrl$rawThumbnail';
+    return ImmichPerson(
+      id: json['id'] as String,
+      name: json['name'] as String?,
+      thumbnailUrl: resolvedThumbnail,
+      isHidden: json['is_hidden'] as bool?,
+    );
+  }
+
+  String get displayName {
+    final cleaned = (name ?? '').trim();
+    return cleaned.isEmpty ? 'Sans nom' : cleaned;
+  }
+}
+
+
+class ImmichAsset {
+  final String id;
+  final String? filename;
+  final String thumbnailUrl;
+  final String fileUrl;
+  final String? takenAt;
+  final String? type;
+
+  ImmichAsset({
+    required this.id,
+    this.filename,
+    required this.thumbnailUrl,
+    required this.fileUrl,
+    this.takenAt,
+    this.type,
+  });
+
+  factory ImmichAsset.fromJson(Map<String, dynamic> json, String baseUrl) {
+    String resolve(String raw) => raw.startsWith('http') ? raw : '$baseUrl$raw';
+    final rawThumbnail = (json['thumbnail_url'] ?? '') as String;
+    final rawFile = (json['file_url'] ?? '') as String;
+    return ImmichAsset(
+      id: json['id'] as String,
+      filename: json['filename'] as String?,
+      thumbnailUrl: resolve(rawThumbnail),
+      fileUrl: resolve(rawFile),
+      takenAt: json['taken_at'] as String?,
+      type: json['type'] as String?,
+    );
+  }
+
+  String get displayName {
+    final cleaned = (filename ?? '').trim();
+    return cleaned.isEmpty ? 'Photo Immich' : cleaned;
+  }
+}
+
+
+class FaceTransformPreview {
+  final Uint8List bytes;
+  final bool detected;
+  final String method;
+  final int landmarkCount;
+
+  FaceTransformPreview({
+    required this.bytes,
+    required this.detected,
+    required this.method,
+    required this.landmarkCount,
+  });
+}
+
+
+class SavedFaceLandmarks {
+  final Map<String, List<double>>? manualLandmarks;
+  final String? updatedAt;
+
+  SavedFaceLandmarks({required this.manualLandmarks, this.updatedAt});
+
+  factory SavedFaceLandmarks.fromJson(Map<String, dynamic> json) {
+    final raw = json['manual_landmarks'];
+    Map<String, List<double>>? parsed;
+    if (raw is Map) {
+      parsed = {};
+      raw.forEach((key, value) {
+        if (value is List && value.length >= 2) {
+          parsed![key.toString()] = [
+            (value[0] as num).toDouble(),
+            (value[1] as num).toDouble(),
+          ];
+        }
+      });
+    }
+    return SavedFaceLandmarks(
+      manualLandmarks: parsed == null || parsed.isEmpty ? null : parsed,
+      updatedAt: json['updated_at']?.toString(),
+    );
+  }
+}
+
+class ApiService {
+  final String baseUrl;
+
+  ApiService({this.baseUrl = AppConfig.apiBaseUrl});
+
+  Future<List<Patient>> getPatients({String? query}) async {
+    final uri = Uri.parse('$baseUrl/patients').replace(
+      queryParameters: query == null || query.trim().isEmpty ? null : {'q': query.trim()},
+    );
+    final response = await http.get(uri);
+    _check(response);
+    final data = jsonDecode(response.body) as List<dynamic>;
+    return data.map((e) => Patient.fromJson(e as Map<String, dynamic>)).toList();
+  }
+
+  Future<Patient> createPatient({
+    required String firstName,
+    required String lastName,
+    String? birthDate,
+    String? phone,
+    String? email,
+    String? procedure,
+    String? status,
+    String? consentSigned,
+    String? notes,
+  }) async {
+    final uri = Uri.parse('$baseUrl/patients');
+    final response = await http.post(
+      uri,
+      headers: {'Content-Type': 'application/json'},
+      body: jsonEncode({
+        'first_name': firstName,
+        'last_name': lastName,
+        'birth_date': _nullIfEmpty(birthDate),
+        'phone': _nullIfEmpty(phone),
+        'email': _nullIfEmpty(email),
+        'procedure': _nullIfEmpty(procedure),
+        'status': _nullIfEmpty(status) ?? 'actif',
+        'consent_signed': _nullIfEmpty(consentSigned) ?? 'non',
+        'notes': _nullIfEmpty(notes),
+      }),
+    );
+    _check(response);
+    return Patient.fromJson(jsonDecode(response.body) as Map<String, dynamic>);
+  }
+
+  Future<Patient> updatePatient({
+    required int patientId,
+    String? firstName,
+    String? lastName,
+    String? birthDate,
+    String? phone,
+    String? email,
+    String? procedure,
+    String? status,
+    String? consentSigned,
+    String? notes,
+  }) async {
+    final uri = Uri.parse('$baseUrl/patients/$patientId');
+    final response = await http.patch(
+      uri,
+      headers: {'Content-Type': 'application/json'},
+      body: jsonEncode({
+        if (firstName != null) 'first_name': firstName,
+        if (lastName != null) 'last_name': lastName,
+        if (birthDate != null) 'birth_date': _nullIfEmpty(birthDate),
+        if (phone != null) 'phone': _nullIfEmpty(phone),
+        if (email != null) 'email': _nullIfEmpty(email),
+        if (procedure != null) 'procedure': _nullIfEmpty(procedure),
+        if (status != null) 'status': _nullIfEmpty(status),
+        if (consentSigned != null) 'consent_signed': _nullIfEmpty(consentSigned),
+        if (notes != null) 'notes': _nullIfEmpty(notes),
+      }),
+    );
+    _check(response);
+    return Patient.fromJson(jsonDecode(response.body) as Map<String, dynamic>);
+  }
+
+  Future<List<PatientPhoto>> getPatientPhotos(int patientId) async {
+    final uri = Uri.parse('$baseUrl/patients/$patientId/photos');
+    final response = await http.get(uri);
+    _check(response);
+    final data = jsonDecode(response.body) as List<dynamic>;
+    return data.map((e) => PatientPhoto.fromJson(e as Map<String, dynamic>)).toList();
+  }
+
+  Future<PatientPhoto> uploadPatientPhoto({
+    required int patientId,
+    required File file,
+    required String kind,
+    String? notes,
+  }) async {
+    final uri = Uri.parse('$baseUrl/patients/$patientId/photos');
+    final request = http.MultipartRequest('POST', uri);
+    request.fields['kind'] = kind;
+    if (notes != null && notes.trim().isNotEmpty) request.fields['notes'] = notes.trim();
+    request.files.add(await http.MultipartFile.fromPath('file', file.path));
+
+    final streamed = await request.send();
+    final response = await http.Response.fromStream(streamed);
+    _check(response);
+    return PatientPhoto.fromJson(jsonDecode(response.body) as Map<String, dynamic>);
+  }
+
+  String photoThumbnailUrl(int photoId) => '$baseUrl/photos/$photoId/thumbnail';
+
+  String photoFileUrl(int photoId) => '$baseUrl/photos/$photoId/file';
+
+
+  Map<String, dynamic> _faceTransformPayload({
+    required double globalStrength,
+    required double lipVolume,
+    required double upperLip,
+    required double lowerLip,
+    required double noseWidth,
+    required double noseTip,
+    required double chinProjection,
+    required double chinWidth,
+    required double jawline,
+    required double cheekbones,
+    required String? eyeColor,
+    required double eyeColorStrength,
+    required double eyeIrisSize,
+    List<List<double>>? eyePaintPoints,
+    required double eyePaintRadius,
+    required String? lipTint,
+    required double lipTintStrength,
+    required double cheekBlush,
+    required double browDarkness,
+    required double browLift,
+    required double skinSmooth,
+    required bool showGuides,
+    Map<String, List<double>>? manualLandmarks,
+  }) {
+    return {
+      'global_strength': globalStrength,
+      'lip_volume': lipVolume,
+      'upper_lip': upperLip,
+      'lower_lip': lowerLip,
+      'nose_width': noseWidth,
+      'nose_tip': noseTip,
+      'chin_projection': chinProjection,
+      'chin_width': chinWidth,
+      'jawline': jawline,
+      'cheekbones': cheekbones,
+      if (eyeColor != null && eyeColor.isNotEmpty) 'eye_color': eyeColor,
+      'eye_color_strength': eyeColorStrength,
+      'eye_iris_size': eyeIrisSize,
+      if (eyePaintPoints != null && eyePaintPoints.isNotEmpty) 'eye_paint_points': eyePaintPoints,
+      if (eyePaintPoints != null && eyePaintPoints.isNotEmpty) 'eye_paint_radius': eyePaintRadius,
+      if (lipTint != null && lipTint.isNotEmpty) 'lip_tint': lipTint,
+      'lip_tint_strength': lipTintStrength,
+      'cheek_blush': cheekBlush,
+      'brow_darkness': browDarkness,
+      'brow_lift': browLift,
+      'skin_smooth': skinSmooth,
+      'show_guides': showGuides,
+      if (manualLandmarks != null && manualLandmarks.isNotEmpty) 'manual_landmarks': manualLandmarks,
+    };
+  }
+
+  FaceTransformPreview _facePreviewFromResponse(http.Response response) {
+    return FaceTransformPreview(
+      bytes: response.bodyBytes,
+      detected: (response.headers['x-face-detected'] ?? '').toLowerCase() == 'true',
+      method: response.headers['x-face-method'] ?? 'unknown',
+      landmarkCount: int.tryParse(response.headers['x-face-landmark-count'] ?? '0') ?? 0,
+    );
+  }
+
+  Future<SavedFaceLandmarks> getSavedFaceLandmarks(int photoId) async {
+    final uri = Uri.parse('$baseUrl/photos/$photoId/face-landmarks');
+    final response = await http.get(uri);
+    _check(response);
+    return SavedFaceLandmarks.fromJson(jsonDecode(response.body) as Map<String, dynamic>);
+  }
+
+  Future<void> saveFaceLandmarks(int photoId, Map<String, List<double>> manualLandmarks) async {
+    final uri = Uri.parse('$baseUrl/photos/$photoId/face-landmarks');
+    final response = await http.put(
+      uri,
+      headers: {'Content-Type': 'application/json'},
+      body: jsonEncode({'manual_landmarks': manualLandmarks}),
+    );
+    _check(response);
+  }
+
+  Future<void> deleteSavedFaceLandmarks(int photoId) async {
+    final uri = Uri.parse('$baseUrl/photos/$photoId/face-landmarks');
+    final response = await http.delete(uri);
+    _check(response);
+  }
+
+  Future<FaceTransformPreview> getFaceGuidesPreview(int photoId, {Map<String, List<double>>? manualLandmarks}) async {
+    final uri = Uri.parse('$baseUrl/photos/$photoId/face-guides');
+    final response = await http.post(
+      uri,
+      headers: {'Content-Type': 'application/json'},
+      body: jsonEncode({
+        if (manualLandmarks != null && manualLandmarks.isNotEmpty) 'manual_landmarks': manualLandmarks,
+      }),
+    );
+    _check(response);
+    return _facePreviewFromResponse(response);
+  }
+
+  Future<FaceTransformPreview> previewFaceTransform({
+    required int photoId,
+    required double globalStrength,
+    required double lipVolume,
+    required double upperLip,
+    required double lowerLip,
+    required double noseWidth,
+    required double noseTip,
+    required double chinProjection,
+    required double chinWidth,
+    required double jawline,
+    required double cheekbones,
+    required String? eyeColor,
+    required double eyeColorStrength,
+    required double eyeIrisSize,
+    List<List<double>>? eyePaintPoints,
+    required double eyePaintRadius,
+    required String? lipTint,
+    required double lipTintStrength,
+    required double cheekBlush,
+    required double browDarkness,
+    required double browLift,
+    required double skinSmooth,
+    required bool showGuides,
+    Map<String, List<double>>? manualLandmarks,
+  }) async {
+    final uri = Uri.parse('$baseUrl/photos/$photoId/face-transform/preview');
+    final response = await http.post(
+      uri,
+      headers: {'Content-Type': 'application/json'},
+      body: jsonEncode(_faceTransformPayload(
+        globalStrength: globalStrength,
+        lipVolume: lipVolume,
+        upperLip: upperLip,
+        lowerLip: lowerLip,
+        noseWidth: noseWidth,
+        noseTip: noseTip,
+        chinProjection: chinProjection,
+        chinWidth: chinWidth,
+        jawline: jawline,
+        cheekbones: cheekbones,
+        eyeColor: eyeColor,
+        eyeColorStrength: eyeColorStrength,
+        eyeIrisSize: eyeIrisSize,
+        eyePaintPoints: eyePaintPoints,
+        eyePaintRadius: eyePaintRadius,
+        lipTint: lipTint,
+        lipTintStrength: lipTintStrength,
+        cheekBlush: cheekBlush,
+        browDarkness: browDarkness,
+        browLift: browLift,
+        skinSmooth: skinSmooth,
+        showGuides: showGuides,
+        manualLandmarks: manualLandmarks,
+      )),
+    );
+    _check(response);
+    return _facePreviewFromResponse(response);
+  }
+
+  Future<PatientPhoto> saveFaceTransform({
+    required int photoId,
+    required double globalStrength,
+    required double lipVolume,
+    required double upperLip,
+    required double lowerLip,
+    required double noseWidth,
+    required double noseTip,
+    required double chinProjection,
+    required double chinWidth,
+    required double jawline,
+    required double cheekbones,
+    required String? eyeColor,
+    required double eyeColorStrength,
+    required double eyeIrisSize,
+    List<List<double>>? eyePaintPoints,
+    required double eyePaintRadius,
+    required String? lipTint,
+    required double lipTintStrength,
+    required double cheekBlush,
+    required double browDarkness,
+    required double browLift,
+    required double skinSmooth,
+    required bool showGuides,
+    Map<String, List<double>>? manualLandmarks,
+  }) async {
+    final uri = Uri.parse('$baseUrl/photos/$photoId/face-transform');
+    final response = await http.post(
+      uri,
+      headers: {'Content-Type': 'application/json'},
+      body: jsonEncode(_faceTransformPayload(
+        globalStrength: globalStrength,
+        lipVolume: lipVolume,
+        upperLip: upperLip,
+        lowerLip: lowerLip,
+        noseWidth: noseWidth,
+        noseTip: noseTip,
+        chinProjection: chinProjection,
+        chinWidth: chinWidth,
+        jawline: jawline,
+        cheekbones: cheekbones,
+        eyeColor: eyeColor,
+        eyeColorStrength: eyeColorStrength,
+        eyeIrisSize: eyeIrisSize,
+        eyePaintPoints: eyePaintPoints,
+        eyePaintRadius: eyePaintRadius,
+        lipTint: lipTint,
+        lipTintStrength: lipTintStrength,
+        cheekBlush: cheekBlush,
+        browDarkness: browDarkness,
+        browLift: browLift,
+        skinSmooth: skinSmooth,
+        showGuides: showGuides,
+        manualLandmarks: manualLandmarks,
+      )),
+    );
+    _check(response);
+    return PatientPhoto.fromJson(jsonDecode(response.body) as Map<String, dynamic>);
+  }
+
+  Future<File> downloadPhotoFile(PatientPhoto photo) async {
+    final response = await http.get(Uri.parse(photoFileUrl(photo.id)));
+    _check(response);
+    final directory = await getTemporaryDirectory();
+    final extension = photo.filename.contains('.') ? photo.filename.split('.').last : 'jpg';
+    final file = File('${directory.path}/photo_${photo.id}_${DateTime.now().millisecondsSinceEpoch}.$extension');
+    await file.writeAsBytes(response.bodyBytes);
+    return file;
+  }
+
+  Future<PatientPhoto> updatePatientPhoto({
+    required int photoId,
+    String? kind,
+    String? notes,
+  }) async {
+    final uri = Uri.parse('$baseUrl/photos/$photoId');
+    final response = await http.patch(
+      uri,
+      headers: {'Content-Type': 'application/json'},
+      body: jsonEncode({
+        if (kind != null) 'kind': _nullIfEmpty(kind),
+        if (notes != null) 'notes': _nullIfEmpty(notes),
+      }),
+    );
+    _check(response);
+    return PatientPhoto.fromJson(jsonDecode(response.body) as Map<String, dynamic>);
+  }
+
+  Future<void> deletePatientPhoto(int photoId) async {
+    final uri = Uri.parse('$baseUrl/photos/$photoId');
+    final response = await http.delete(uri);
+    _check(response);
+  }
+
+
+  Future<List<ImmichPerson>> getImmichPeople({String? query}) async {
+    final uri = Uri.parse('$baseUrl/immich/people').replace(
+      queryParameters: query == null || query.trim().isEmpty ? null : {'q': query.trim()},
+    );
+    final response = await http.get(uri);
+    _check(response);
+    final data = jsonDecode(response.body) as List<dynamic>;
+    return data.map((e) => ImmichPerson.fromJson(e as Map<String, dynamic>, baseUrl)).toList();
+  }
+
+  String immichPersonThumbnailUrl(String personId) => '$baseUrl/immich/people/$personId/thumbnail';
+
+  Future<List<ImmichAsset>> getImmichPersonAssets(String personId) async {
+    final uri = Uri.parse('$baseUrl/immich/people/$personId/assets');
+    final response = await http.get(uri);
+    _check(response);
+    final data = jsonDecode(response.body) as List<dynamic>;
+    return data.map((e) => ImmichAsset.fromJson(e as Map<String, dynamic>, baseUrl)).toList();
+  }
+
+  Future<PatientPhoto> importImmichAsset({
+    required int patientId,
+    required String assetId,
+  }) async {
+    final uri = Uri.parse('$baseUrl/patients/$patientId/photos/from-immich-asset/$assetId');
+    final response = await http.post(uri);
+    _check(response);
+    return PatientPhoto.fromJson(jsonDecode(response.body) as Map<String, dynamic>);
+  }
+
+  Future<PatientPhoto> importImmichPersonFace({
+    required int patientId,
+    required String personId,
+  }) async {
+    final uri = Uri.parse('$baseUrl/patients/$patientId/photos/from-immich-person/$personId');
+    final response = await http.post(uri);
+    _check(response);
+    return PatientPhoto.fromJson(jsonDecode(response.body) as Map<String, dynamic>);
+  }
+
+
+  Future<List<ConsultationRecord>> getPatientConsultations(int patientId) async {
+    final uri = Uri.parse('$baseUrl/patients/$patientId/consultations');
+    final response = await http.get(uri);
+    _check(response);
+    final data = jsonDecode(response.body) as List<dynamic>;
+    return data.map((e) => ConsultationRecord.fromJson(e as Map<String, dynamic>)).toList();
+  }
+
+  Future<ConsultationRecord> createConsultation({
+    required int patientId,
+    String? consultationDate,
+    String? procedure,
+    String? reason,
+    String? plan,
+    String? followUp,
+    String? status,
+    String? notes,
+  }) async {
+    final uri = Uri.parse('$baseUrl/patients/$patientId/consultations');
+    final response = await http.post(
+      uri,
+      headers: {'Content-Type': 'application/json'},
+      body: jsonEncode({
+        'consultation_date': _nullIfEmpty(consultationDate),
+        'procedure': _nullIfEmpty(procedure),
+        'reason': _nullIfEmpty(reason),
+        'plan': _nullIfEmpty(plan),
+        'follow_up': _nullIfEmpty(followUp),
+        'status': _nullIfEmpty(status) ?? 'prévu',
+        'notes': _nullIfEmpty(notes),
+      }),
+    );
+    _check(response);
+    return ConsultationRecord.fromJson(jsonDecode(response.body) as Map<String, dynamic>);
+  }
+
+  Future<ConsultationRecord> updateConsultation({
+    required int consultationId,
+    String? consultationDate,
+    String? procedure,
+    String? reason,
+    String? plan,
+    String? followUp,
+    String? status,
+    String? notes,
+  }) async {
+    final uri = Uri.parse('$baseUrl/consultations/$consultationId');
+    final response = await http.patch(
+      uri,
+      headers: {'Content-Type': 'application/json'},
+      body: jsonEncode({
+        if (consultationDate != null) 'consultation_date': _nullIfEmpty(consultationDate),
+        if (procedure != null) 'procedure': _nullIfEmpty(procedure),
+        if (reason != null) 'reason': _nullIfEmpty(reason),
+        if (plan != null) 'plan': _nullIfEmpty(plan),
+        if (followUp != null) 'follow_up': _nullIfEmpty(followUp),
+        if (status != null) 'status': _nullIfEmpty(status),
+        if (notes != null) 'notes': _nullIfEmpty(notes),
+      }),
+    );
+    _check(response);
+    return ConsultationRecord.fromJson(jsonDecode(response.body) as Map<String, dynamic>);
+  }
+
+  Future<void> deleteConsultation(int consultationId) async {
+    final uri = Uri.parse('$baseUrl/consultations/$consultationId');
+    final response = await http.delete(uri);
+    _check(response);
+  }
+
+
+  Future<List<DocumentRecord>> getPatientDocuments(int patientId) async {
+    final uri = Uri.parse('$baseUrl/patients/$patientId/documents');
+    final response = await http.get(uri);
+    _check(response);
+    final data = jsonDecode(response.body) as List<dynamic>;
+    return data.map((e) => DocumentRecord.fromJson(e as Map<String, dynamic>)).toList();
+  }
+
+  Future<DocumentRecord> createDocument({
+    required int patientId,
+    int? consultationId,
+    required String documentType,
+    required String title,
+    required String status,
+    String? content,
+    String? signedBy,
+    String? signedAt,
+  }) async {
+    final uri = Uri.parse('$baseUrl/patients/$patientId/documents');
+    final response = await http.post(
+      uri,
+      headers: {'Content-Type': 'application/json'},
+      body: jsonEncode({
+        'consultation_id': consultationId,
+        'document_type': documentType,
+        'title': title,
+        'status': status,
+        'content': _nullIfEmpty(content),
+        'signed_by': _nullIfEmpty(signedBy),
+        'signed_at': _nullIfEmpty(signedAt),
+      }),
+    );
+    _check(response);
+    return DocumentRecord.fromJson(jsonDecode(response.body) as Map<String, dynamic>);
+  }
+
+  Future<DocumentRecord> updateDocument({
+    required int documentId,
+    int? consultationId,
+    String? documentType,
+    String? title,
+    String? status,
+    String? content,
+    String? signedBy,
+    String? signedAt,
+  }) async {
+    final uri = Uri.parse('$baseUrl/documents/$documentId');
+    final response = await http.patch(
+      uri,
+      headers: {'Content-Type': 'application/json'},
+      body: jsonEncode({
+        if (consultationId != null) 'consultation_id': consultationId,
+        if (documentType != null) 'document_type': documentType,
+        if (title != null) 'title': _nullIfEmpty(title),
+        if (status != null) 'status': status,
+        if (content != null) 'content': _nullIfEmpty(content),
+        if (signedBy != null) 'signed_by': _nullIfEmpty(signedBy),
+        if (signedAt != null) 'signed_at': _nullIfEmpty(signedAt),
+      }),
+    );
+    _check(response);
+    return DocumentRecord.fromJson(jsonDecode(response.body) as Map<String, dynamic>);
+  }
+
+  Future<void> deleteDocument(int documentId) async {
+    final uri = Uri.parse('$baseUrl/documents/$documentId');
+    final response = await http.delete(uri);
+    _check(response);
+  }
+
+  String documentPdfUrl(int documentId) => '$baseUrl/documents/$documentId/pdf';
+
+  void _check(http.Response response) {
+    if (response.statusCode < 200 || response.statusCode >= 300) {
+      throw Exception('HTTP ${response.statusCode}: ${response.body}');
+    }
+  }
+
+  String? _nullIfEmpty(String? value) {
+    if (value == null) return null;
+    final cleaned = value.trim();
+    return cleaned.isEmpty ? null : cleaned;
+  }
+}

flutter_app/lib/config.dart

@@ -0,0 +1,5 @@
+class AppConfig {
+  // Android Emulator vers PC: http://10.0.2.2:8000
+  // Mi Box / téléphone réel: http://IP_DU_PC:8000
+  static const String apiBaseUrl = 'http://192.168.1.77:8000';
+}

flutter_app/pubspec.lock

@@ -0,0 +1,533 @@
+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  archive:
+    dependency: transitive
+    description:
+      name: archive
+      sha256: a96e8b390886ee8abb49b7bd3ac8df6f451c621619f52a26e815fdcf568959ff
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.9"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      sha256: d0481093c50b1da8910eb0bb301626d4d8eb7284aa739614d2b394ee09e3ea04
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.7.0"
+  async:
+    dependency: transitive
+    description:
+      name: async
+      sha256: e2eb0491ba5ddb6177742d2da23904574082139b07c1e33b8503b9f46f3e1a37
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.13.1"
+  camera:
+    dependency: "direct main"
+    description:
+      name: camera
+      sha256: "034c38cb8014d29698dcae6d20276688a1bf74e6487dfeb274d70ea05d5f7777"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.12.0+1"
+  camera_android_camerax:
+    dependency: transitive
+    description:
+      name: camera_android_camerax
+      sha256: e20c1e92ce6797d9ae9b1db1e09a4c1039a04827d0b24985f5da3840b96948ac
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.2+1"
+  camera_avfoundation:
+    dependency: transitive
+    description:
+      name: camera_avfoundation
+      sha256: "90e4cc3fde331581a3b2d35d83be41dbb7393af0ab857eb27b732174289cb96d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.10.1"
+  camera_platform_interface:
+    dependency: transitive
+    description:
+      name: camera_platform_interface
+      sha256: "7ac852d77699acee79f0d438b793feee26721841e50973576419ff5c6d95e9b7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.13.0"
+  camera_web:
+    dependency: transitive
+    description:
+      name: camera_web
+      sha256: "1245a480a113437f8d46d19c0fb90cea9db921436d9cf2ba5fb11854a1312693"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.5+4"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      sha256: faf38497bda5ead2a8c7615f4f7939df04333478bf32e4173fcb06d428b5716b
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.1"
+  code_assets:
+    dependency: transitive
+    description:
+      name: code_assets
+      sha256: bf394f466ba9205f1812a0433b392d6af280f155f56651eda7c18cc32ed493b8
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.1"
+  collection:
+    dependency: transitive
+    description:
+      name: collection
+      sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.19.1"
+  cross_file:
+    dependency: transitive
+    description:
+      name: cross_file
+      sha256: "28bb3ae56f117b5aec029d702a90f57d285cd975c3c5c281eaca38dbc47c5937"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.5+2"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: c8ea0233063ba03258fbcf2ca4d6dadfefe14f02fab57702265467a19f27fadf
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.7"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      sha256: "6d7fd89431262d8f3125e81b50d3847a091d846eafcd4fdb88dd06f36d705a45"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  file_selector_linux:
+    dependency: transitive
+    description:
+      name: file_selector_linux
+      sha256: "2567f398e06ac72dcf2e98a0c95df2a9edd03c2c2e0cacd4780f20cdf56263a0"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.9.4"
+  file_selector_macos:
+    dependency: transitive
+    description:
+      name: file_selector_macos
+      sha256: "5e0bbe9c312416f1787a68259ea1505b52f258c587f12920422671807c4d618a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.9.5"
+  file_selector_platform_interface:
+    dependency: transitive
+    description:
+      name: file_selector_platform_interface
+      sha256: "35e0bd61ebcdb91a3505813b055b09b79dfdc7d0aee9c09a7ba59ae4bb13dc85"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.7.0"
+  file_selector_windows:
+    dependency: transitive
+    description:
+      name: file_selector_windows
+      sha256: "62197474ae75893a62df75939c777763d39c2bc5f73ce5b88497208bc269abfd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.9.3+5"
+  flutter:
+    dependency: "direct main"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  flutter_plugin_android_lifecycle:
+    dependency: transitive
+    description:
+      name: flutter_plugin_android_lifecycle
+      sha256: "3854fe5e3bff0b113c658f260b90c95dea17c92db0f2addeac2e343dd9969785"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.35"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  google_mlkit_commons:
+    dependency: transitive
+    description:
+      name: google_mlkit_commons
+      sha256: "3e69fea4211727732cc385104e675ad1e40b29f12edd492ee52fa108423a6124"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.11.1"
+  google_mlkit_face_detection:
+    dependency: "direct main"
+    description:
+      name: google_mlkit_face_detection
+      sha256: "7b6ddcc69dbd6fbfa313fb2d974ad0f0c3a0d1657560f0da6be465baf1889687"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.13.2"
+  hooks:
+    dependency: transitive
+    description:
+      name: hooks
+      sha256: "9a62a50b50b769a737bc0a8ff381f333529df3ab746b2f6b02e83760231455ba"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.2"
+  http:
+    dependency: "direct main"
+    description:
+      name: http
+      sha256: "87721a4a50b19c7f1d49001e51409bddc46303966ce89a65af4f4e6004896412"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.6.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.2"
+  image:
+    dependency: "direct main"
+    description:
+      name: image
+      sha256: "6300175e00616bbc832e2fc91bfa4d776af5402c81c7151bee6905bb08473c52"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.9.1"
+  image_picker:
+    dependency: "direct main"
+    description:
+      name: image_picker
+      sha256: "91c025426c2881c551100bce834e201c835a170151545f58d17da5180ca7d9ac"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.2"
+  image_picker_android:
+    dependency: transitive
+    description:
+      name: image_picker_android
+      sha256: "6f3a1995eafb000333174fae92202622033b0ee7fd917a6cd3730295264df84a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.8.13+19"
+  image_picker_for_web:
+    dependency: transitive
+    description:
+      name: image_picker_for_web
+      sha256: "66257a3191ab360d23a55c8241c91a6e329d31e94efa7be9cf7a212e65850214"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.1"
+  image_picker_ios:
+    dependency: transitive
+    description:
+      name: image_picker_ios
+      sha256: b9c4a438a9ff4f60808c9cf0039b93a42bb6c2211ef6ebb647394b2b3fa84588
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.8.13+6"
+  image_picker_linux:
+    dependency: transitive
+    description:
+      name: image_picker_linux
+      sha256: "1f81c5f2046b9ab724f85523e4af65be1d47b038160a8c8deed909762c308ed4"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.2"
+  image_picker_macos:
+    dependency: transitive
+    description:
+      name: image_picker_macos
+      sha256: "86f0f15a309de7e1a552c12df9ce5b59fe927e71385329355aec4776c6a8ec91"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.2+1"
+  image_picker_platform_interface:
+    dependency: transitive
+    description:
+      name: image_picker_platform_interface
+      sha256: "567e056716333a1647c64bb6bd873cff7622233a5c3f694be28a583d4715690c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.11.1"
+  image_picker_windows:
+    dependency: transitive
+    description:
+      name: image_picker_windows
+      sha256: d248c86554a72b5495a31c56f060cf73a41c7ff541689327b1a7dbccc33adfae
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.2"
+  jni:
+    dependency: transitive
+    description:
+      name: jni
+      sha256: c2230682d5bc2362c1c9e8d3c7f406d9cbba23ab3f2e203a025dd47e0fb2e68f
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
+  jni_flutter:
+    dependency: transitive
+    description:
+      name: jni_flutter
+      sha256: "8b59e590786050b1cd866677dddaf76b1ade5e7bc751abe04b86e84d379d3ba6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      sha256: c8245ada5f1717ed44271ed1c26b8ce85ca3228fd2ffdb75468ab01979309d61
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.0"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      sha256: "9c337007e82b1889149c82ed242ed1cb24a66044e30979c44912381e9be4c48b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.13.0"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      sha256: "1741988757a65eb6b36abe716829688cf01910bbf91c34354ff7ec1c3de2b349"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.18.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      sha256: "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  objective_c:
+    dependency: transitive
+    description:
+      name: objective_c
+      sha256: "6cb691c686fa2838c6deb34980d426145c2a5d537491cb83d463c33cdbc726ed"
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.4.1"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      sha256: f096c55ebb7deb7e384101542bfba8c52696c1b56fca2eb62827989ef2353bbc
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.9.1"
+  path_provider:
+    dependency: "direct main"
+    description:
+      name: path_provider
+      sha256: a7f4874f987173da295a61c181b8ee71dab59b332a486b391babf26a1b884825
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.6"
+  path_provider_android:
+    dependency: transitive
+    description:
+      name: path_provider_android
+      sha256: "69cbd515a62b94d32a7944f086b2f82b4ac40a1d45bebfc00813a430ab2dabcd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.1"
+  path_provider_foundation:
+    dependency: transitive
+    description:
+      name: path_provider_foundation
+      sha256: "2a376b7d6392d80cd3705782d2caa734ca4727776db0b6ec36ef3f1855197699"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.6.0"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: "58c2005f147315b11e9b4a7bc889cd5203e250cba8e3f012dae259b4972b5c16"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.2"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      sha256: "484838772624c3a4b94f1e44a3e19897fee738f2d5c4ce448443b0417f7c9dda"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.3"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      sha256: bd6f00dbd873bfb70d0761682da2b3a2c2fccc2b9e84c495821639601d81afe7
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      sha256: "91bd59303e9f769f108f8df05e371341b15d59e995e6806aefab827b58336675"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.2"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "5d6b1b0036a5f331ebc77c850ebc8506cbc1e9416c27e59b439f917a902a4984"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.6"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.8"
+  posix:
+    dependency: transitive
+    description:
+      name: posix
+      sha256: "185ef7606574f789b40f289c233efa52e96dead518aed988e040a10737febb07"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.5.0"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      sha256: "5bfcf68ca79ef689f8990d1160781b4bad40a3bd5e5218ad4076ddb7f4081585"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  record_use:
+    dependency: transitive
+    description:
+      name: record_use
+      sha256: "2551bd8eecfe95d14ae75f6021ad0248be5c27f138c2ec12fcb52b500b3ba1ed"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.0"
+  sky_engine:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      sha256: "56a02f1f4cd1a2d96303c0144c93bd6d909eea6bee6bf5a0e0b685edbd4c47ab"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.10.2"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      sha256: ad47125e588cfd37a9a7f86c7d6356dde8dfe89d071d293f80ca9e9273a33871
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
+  string_scanner:
+    dependency: transitive
+    description:
+      name: string_scanner
+      sha256: "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.1"
+  term_glyph:
+    dependency: transitive
+    description:
+      name: term_glyph
+      sha256: "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.2"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
+  vector_math:
+    dependency: transitive
+    description:
+      name: vector_math
+      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      sha256: "7a3f37b05d989967cdddcbb571f1ea834867ae2faa29725fd085180e0883aa15"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      sha256: "67f0aff7be013d107995e9b75bf4e7f2c3ef2dfdb2c8e68024bba0a7fd5756a4"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.1"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      sha256: b9da305ac7c39faa3f030eccd175340f968459dae4af175130b3fc47e40d76ce
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.3"
+sdks:
+  dart: ">=3.12.0 <4.0.0"
+  flutter: ">=3.44.0"

flutter_app/pubspec.yaml

@@ -0,0 +1,19 @@
+name: aesthetic_photo_planner
+version: 0.3.0+30
+publish_to: none
+
+environment:
+  sdk: ">=3.4.0 <4.0.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+  http: ^1.2.2
+  image_picker: ^1.1.2
+  path_provider: ^2.1.4
+  camera: ^0.12.0
+  google_mlkit_face_detection: ^0.13.2
+  image: ^4.5.2
+
+flutter:
+  uses-material-design: true

flutter_app/test/widget_test.dart

@@ -0,0 +1,30 @@
+// This is a basic Flutter widget test.
+//
+// To perform an interaction with a widget in your test, use the WidgetTester
+// utility in the flutter_test package. For example, you can send tap and scroll
+// gestures. You can also use WidgetTester to find child widgets in the widget
+// tree, read text, and verify that the values of widget properties are correct.
+
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import 'package:aesthetic_photo_planner/main.dart';
+
+void main() {
+  testWidgets('Counter increments smoke test', (WidgetTester tester) async {
+    // Build our app and trigger a frame.
+    await tester.pumpWidget(const MyApp());
+
+    // Verify that our counter starts at 0.
+    expect(find.text('0'), findsOneWidget);
+    expect(find.text('1'), findsNothing);
+
+    // Tap the '+' icon and trigger a frame.
+    await tester.tap(find.byIcon(Icons.add));
+    await tester.pump();
+
+    // Verify that our counter has incremented.
+    expect(find.text('0'), findsNothing);
+    expect(find.text('1'), findsOneWidget);
+  });
+}

flutter_app/windows/.gitignore

@@ -0,0 +1,17 @@
+flutter/ephemeral/
+
+# Visual Studio user-specific files.
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# Visual Studio build-related files.
+x64/
+x86/
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/

flutter_app/windows/CMakeLists.txt

@@ -0,0 +1,108 @@
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.14)
+project(aesthetic_photo_planner LANGUAGES CXX)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "aesthetic_photo_planner")
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(VERSION 3.14...3.25)
+
+# Define build configuration option.
+get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
+if(IS_MULTICONFIG)
+  set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release"
+    CACHE STRING "" FORCE)
+else()
+  if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+    set(CMAKE_BUILD_TYPE "Debug" CACHE
+      STRING "Flutter build mode" FORCE)
+    set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+      "Debug" "Profile" "Release")
+  endif()
+endif()
+# Define settings for the Profile build mode.
+set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
+set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
+set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}")
+set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}")
+
+# Use Unicode for all projects.
+add_definitions(-DUNICODE -D_UNICODE)
+
+# Compilation settings that should be applied to most targets.
+#
+# Be cautious about adding new options here, as plugins use this function by
+# default. In most cases, you should add new options to specific targets instead
+# of modifying this function.
+function(APPLY_STANDARD_SETTINGS TARGET)
+  target_compile_features(${TARGET} PUBLIC cxx_std_17)
+  target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100")
+  target_compile_options(${TARGET} PRIVATE /EHsc)
+  target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0")
+  target_compile_definitions(${TARGET} PRIVATE "$<$<CONFIG:Debug>:_DEBUG>")
+endfunction()
+
+# Flutter library and tool build rules.
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# Application build; see runner/CMakeLists.txt.
+add_subdirectory("runner")
+
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+
+# === Installation ===
+# Support files are copied into place next to the executable, so that it can
+# run in place. This is done instead of making a separate bundle (as on Linux)
+# so that building and running from within Visual Studio will work.
+set(BUILD_BUNDLE_DIR "$<TARGET_FILE_DIR:${BINARY_NAME}>")
+# Make the "install" step default, as it's required to run.
+set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1)
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
+endif()
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}")
+
+install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+  COMPONENT Runtime)
+
+if(PLUGIN_BUNDLED_LIBRARIES)
+  install(FILES "${PLUGIN_BUNDLED_LIBRARIES}"
+    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endif()
+
+# Copy the native assets provided by the build.dart from all packages.
+set(NATIVE_ASSETS_DIR "${PROJECT_BUILD_DIR}native_assets/windows/")
+install(DIRECTORY "${NATIVE_ASSETS_DIR}"
+   DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+   COMPONENT Runtime)
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
+  " COMPONENT Runtime)
+install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
+  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
+
+# Install the AOT library on non-Debug builds only.
+install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  CONFIGURATIONS Profile;Release
+  COMPONENT Runtime)

flutter_app/windows/flutter/CMakeLists.txt

@@ -0,0 +1,109 @@
+# This file controls Flutter-level build steps. It should not be edited.
+cmake_minimum_required(VERSION 3.14)
+
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+# Configuration provided via flutter tool.
+include(${EPHEMERAL_DIR}/generated_config.cmake)
+
+# TODO: Move the rest of this into files in ephemeral. See
+# https://github.com/flutter/flutter/issues/57146.
+set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper")
+
+# Set fallback configurations for older versions of the flutter tool.
+if (NOT DEFINED FLUTTER_TARGET_PLATFORM)
+  set(FLUTTER_TARGET_PLATFORM "windows-x64")
+endif()
+
+# === Flutter Library ===
+set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll")
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
+set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
+set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
+set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE)
+
+list(APPEND FLUTTER_LIBRARY_HEADERS
+  "flutter_export.h"
+  "flutter_windows.h"
+  "flutter_messenger.h"
+  "flutter_plugin_registrar.h"
+  "flutter_texture_registrar.h"
+)
+list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/")
+add_library(flutter INTERFACE)
+target_include_directories(flutter INTERFACE
+  "${EPHEMERAL_DIR}"
+)
+target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib")
+add_dependencies(flutter flutter_assemble)
+
+# === Wrapper ===
+list(APPEND CPP_WRAPPER_SOURCES_CORE
+  "core_implementations.cc"
+  "standard_codec.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/")
+list(APPEND CPP_WRAPPER_SOURCES_PLUGIN
+  "plugin_registrar.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/")
+list(APPEND CPP_WRAPPER_SOURCES_APP
+  "flutter_engine.cc"
+  "flutter_view_controller.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/")
+
+# Wrapper sources needed for a plugin.
+add_library(flutter_wrapper_plugin STATIC
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_PLUGIN}
+)
+apply_standard_settings(flutter_wrapper_plugin)
+set_target_properties(flutter_wrapper_plugin PROPERTIES
+  POSITION_INDEPENDENT_CODE ON)
+set_target_properties(flutter_wrapper_plugin PROPERTIES
+  CXX_VISIBILITY_PRESET hidden)
+target_link_libraries(flutter_wrapper_plugin PUBLIC flutter)
+target_include_directories(flutter_wrapper_plugin PUBLIC
+  "${WRAPPER_ROOT}/include"
+)
+add_dependencies(flutter_wrapper_plugin flutter_assemble)
+
+# Wrapper sources needed for the runner.
+add_library(flutter_wrapper_app STATIC
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_APP}
+)
+apply_standard_settings(flutter_wrapper_app)
+target_link_libraries(flutter_wrapper_app PUBLIC flutter)
+target_include_directories(flutter_wrapper_app PUBLIC
+  "${WRAPPER_ROOT}/include"
+)
+add_dependencies(flutter_wrapper_app flutter_assemble)
+
+# === Flutter tool backend ===
+# _phony_ is a non-existent file to force this command to run every time,
+# since currently there's no way to get a full input/output list from the
+# flutter tool.
+set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_")
+set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE)
+add_custom_command(
+  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
+    ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN}
+    ${CPP_WRAPPER_SOURCES_APP}
+    ${PHONY_OUTPUT}
+  COMMAND ${CMAKE_COMMAND} -E env
+    ${FLUTTER_TOOL_ENVIRONMENT}
+    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat"
+      ${FLUTTER_TARGET_PLATFORM} $<CONFIG>
+  VERBATIM
+)
+add_custom_target(flutter_assemble DEPENDS
+  "${FLUTTER_LIBRARY}"
+  ${FLUTTER_LIBRARY_HEADERS}
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_PLUGIN}
+  ${CPP_WRAPPER_SOURCES_APP}
+)

flutter_app/windows/flutter/generated_plugin_registrant.cc

@@ -0,0 +1,14 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#include "generated_plugin_registrant.h"
+
+#include <file_selector_windows/file_selector_windows.h>
+
+void RegisterPlugins(flutter::PluginRegistry* registry) {
+  FileSelectorWindowsRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("FileSelectorWindows"));
+}

flutter_app/windows/flutter/generated_plugin_registrant.h

@@ -0,0 +1,15 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#ifndef GENERATED_PLUGIN_REGISTRANT_
+#define GENERATED_PLUGIN_REGISTRANT_
+
+#include <flutter/plugin_registry.h>
+
+// Registers Flutter plugins.
+void RegisterPlugins(flutter::PluginRegistry* registry);
+
+#endif  // GENERATED_PLUGIN_REGISTRANT_

flutter_app/windows/flutter/generated_plugins.cmake

@@ -0,0 +1,25 @@
+#
+# Generated file, do not edit.
+#
+
+list(APPEND FLUTTER_PLUGIN_LIST
+  file_selector_windows
+)
+
+list(APPEND FLUTTER_FFI_PLUGIN_LIST
+  jni
+)
+
+set(PLUGIN_BUNDLED_LIBRARIES)
+
+foreach(plugin ${FLUTTER_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin})
+  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
+endforeach(plugin)
+
+foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin})
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
+endforeach(ffi_plugin)

flutter_app/windows/runner/CMakeLists.txt

@@ -0,0 +1,40 @@
+cmake_minimum_required(VERSION 3.14)
+project(runner LANGUAGES CXX)
+
+# Define the application target. To change its name, change BINARY_NAME in the
+# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer
+# work.
+#
+# Any new source files that you add to the application should be added here.
+add_executable(${BINARY_NAME} WIN32
+  "flutter_window.cpp"
+  "main.cpp"
+  "utils.cpp"
+  "win32_window.cpp"
+  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+  "Runner.rc"
+  "runner.exe.manifest"
+)
+
+# Apply the standard set of build settings. This can be removed for applications
+# that need different build settings.
+apply_standard_settings(${BINARY_NAME})
+
+# Add preprocessor definitions for the build version.
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}")
+
+# Disable Windows macros that collide with C++ standard library functions.
+target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX")
+
+# Add dependency libraries and include directories. Add any application-specific
+# dependencies here.
+target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app)
+target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib")
+target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")
+
+# Run the Flutter tool portions of the build. This must not be removed.
+add_dependencies(${BINARY_NAME} flutter_assemble)

flutter_app/windows/runner/Runner.rc

@@ -0,0 +1,121 @@
+// Microsoft Visual C++ generated resource script.
+//
+#pragma code_page(65001)
+#include "resource.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 2 resource.
+//
+#include "winres.h"
+
+/////////////////////////////////////////////////////////////////////////////
+#undef APSTUDIO_READONLY_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+// English (United States) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+
+#ifdef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// TEXTINCLUDE
+//
+
+1 TEXTINCLUDE
+BEGIN
+    "resource.h\0"
+END
+
+2 TEXTINCLUDE
+BEGIN
+    "#include ""winres.h""\r\n"
+    "\0"
+END
+
+3 TEXTINCLUDE
+BEGIN
+    "\r\n"
+    "\0"
+END
+
+#endif    // APSTUDIO_INVOKED
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Icon
+//
+
+// Icon with lowest ID value placed first to ensure application icon
+// remains consistent on all systems.
+IDI_APP_ICON            ICON                    "resources\\app_icon.ico"
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Version
+//
+
+#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD)
+#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD
+#else
+#define VERSION_AS_NUMBER 1,0,0,0
+#endif
+
+#if defined(FLUTTER_VERSION)
+#define VERSION_AS_STRING FLUTTER_VERSION
+#else
+#define VERSION_AS_STRING "1.0.0"
+#endif
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION VERSION_AS_NUMBER
+ PRODUCTVERSION VERSION_AS_NUMBER
+ FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
+#ifdef _DEBUG
+ FILEFLAGS VS_FF_DEBUG
+#else
+ FILEFLAGS 0x0L
+#endif
+ FILEOS VOS__WINDOWS32
+ FILETYPE VFT_APP
+ FILESUBTYPE 0x0L
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904e4"
+        BEGIN
+            VALUE "CompanyName", "com.example" "\0"
+            VALUE "FileDescription", "aesthetic_photo_planner" "\0"
+            VALUE "FileVersion", VERSION_AS_STRING "\0"
+            VALUE "InternalName", "aesthetic_photo_planner" "\0"
+            VALUE "LegalCopyright", "Copyright (C) 2026 com.example. All rights reserved." "\0"
+            VALUE "OriginalFilename", "aesthetic_photo_planner.exe" "\0"
+            VALUE "ProductName", "aesthetic_photo_planner" "\0"
+            VALUE "ProductVersion", VERSION_AS_STRING "\0"
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x409, 1252
+    END
+END
+
+#endif    // English (United States) resources
+/////////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 3 resource.
+//
+
+
+/////////////////////////////////////////////////////////////////////////////
+#endif    // not APSTUDIO_INVOKED

flutter_app/windows/runner/flutter_window.cpp

@@ -0,0 +1,71 @@
+#include "flutter_window.h"
+
+#include <optional>
+
+#include "flutter/generated_plugin_registrant.h"
+
+FlutterWindow::FlutterWindow(const flutter::DartProject& project)
+    : project_(project) {}
+
+FlutterWindow::~FlutterWindow() {}
+
+bool FlutterWindow::OnCreate() {
+  if (!Win32Window::OnCreate()) {
+    return false;
+  }
+
+  RECT frame = GetClientArea();
+
+  // The size here must match the window dimensions to avoid unnecessary surface
+  // creation / destruction in the startup path.
+  flutter_controller_ = std::make_unique<flutter::FlutterViewController>(
+      frame.right - frame.left, frame.bottom - frame.top, project_);
+  // Ensure that basic setup of the controller was successful.
+  if (!flutter_controller_->engine() || !flutter_controller_->view()) {
+    return false;
+  }
+  RegisterPlugins(flutter_controller_->engine());
+  SetChildContent(flutter_controller_->view()->GetNativeWindow());
+
+  flutter_controller_->engine()->SetNextFrameCallback([&]() {
+    this->Show();
+  });
+
+  // Flutter can complete the first frame before the "show window" callback is
+  // registered. The following call ensures a frame is pending to ensure the
+  // window is shown. It is a no-op if the first frame hasn't completed yet.
+  flutter_controller_->ForceRedraw();
+
+  return true;
+}
+
+void FlutterWindow::OnDestroy() {
+  if (flutter_controller_) {
+    flutter_controller_ = nullptr;
+  }
+
+  Win32Window::OnDestroy();
+}
+
+LRESULT
+FlutterWindow::MessageHandler(HWND hwnd, UINT const message,
+                              WPARAM const wparam,
+                              LPARAM const lparam) noexcept {
+  // Give Flutter, including plugins, an opportunity to handle window messages.
+  if (flutter_controller_) {
+    std::optional<LRESULT> result =
+        flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam,
+                                                      lparam);
+    if (result) {
+      return *result;
+    }
+  }
+
+  switch (message) {
+    case WM_FONTCHANGE:
+      flutter_controller_->engine()->ReloadSystemFonts();
+      break;
+  }
+
+  return Win32Window::MessageHandler(hwnd, message, wparam, lparam);
+}

flutter_app/windows/runner/flutter_window.h

@@ -0,0 +1,33 @@
+#ifndef RUNNER_FLUTTER_WINDOW_H_
+#define RUNNER_FLUTTER_WINDOW_H_
+
+#include <flutter/dart_project.h>
+#include <flutter/flutter_view_controller.h>
+
+#include <memory>
+
+#include "win32_window.h"
+
+// A window that does nothing but host a Flutter view.
+class FlutterWindow : public Win32Window {
+ public:
+  // Creates a new FlutterWindow hosting a Flutter view running |project|.
+  explicit FlutterWindow(const flutter::DartProject& project);
+  virtual ~FlutterWindow();
+
+ protected:
+  // Win32Window:
+  bool OnCreate() override;
+  void OnDestroy() override;
+  LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam,
+                         LPARAM const lparam) noexcept override;
+
+ private:
+  // The project to run.
+  flutter::DartProject project_;
+
+  // The Flutter instance hosted by this window.
+  std::unique_ptr<flutter::FlutterViewController> flutter_controller_;
+};
+
+#endif  // RUNNER_FLUTTER_WINDOW_H_

flutter_app/windows/runner/main.cpp

@@ -0,0 +1,43 @@
+#include <flutter/dart_project.h>
+#include <flutter/flutter_view_controller.h>
+#include <windows.h>
+
+#include "flutter_window.h"
+#include "utils.h"
+
+int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
+                      _In_ wchar_t *command_line, _In_ int show_command) {
+  // Attach to console when present (e.g., 'flutter run') or create a
+  // new console when running with a debugger.
+  if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) {
+    CreateAndAttachConsole();
+  }
+
+  // Initialize COM, so that it is available for use in the library and/or
+  // plugins.
+  ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
+
+  flutter::DartProject project(L"data");
+
+  std::vector<std::string> command_line_arguments =
+      GetCommandLineArguments();
+
+  project.set_dart_entrypoint_arguments(std::move(command_line_arguments));
+
+  FlutterWindow window(project);
+  Win32Window::Point origin(10, 10);
+  Win32Window::Size size(1280, 720);
+  if (!window.Create(L"aesthetic_photo_planner", origin, size)) {
+    return EXIT_FAILURE;
+  }
+  window.SetQuitOnClose(true);
+
+  ::MSG msg;
+  while (::GetMessage(&msg, nullptr, 0, 0)) {
+    ::TranslateMessage(&msg);
+    ::DispatchMessage(&msg);
+  }
+
+  ::CoUninitialize();
+  return EXIT_SUCCESS;
+}

flutter_app/windows/runner/resource.h

@@ -0,0 +1,16 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by Runner.rc
+//
+#define IDI_APP_ICON                    101
+
+// Next default values for new objects
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE        102
+#define _APS_NEXT_COMMAND_VALUE         40001
+#define _APS_NEXT_CONTROL_VALUE         1001
+#define _APS_NEXT_SYMED_VALUE           101
+#endif
+#endif

flutter_app/windows/runner/runner.exe.manifest

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings>
+      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
+    </windowsSettings>
+  </application>
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- Windows 10 and Windows 11 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
+    </application>
+  </compatibility>
+</assembly>

flutter_app/windows/runner/utils.cpp

@@ -0,0 +1,69 @@
+#include "utils.h"
+
+#include <flutter_windows.h>
+#include <io.h>
+#include <stdio.h>
+#include <windows.h>
+
+#include <iostream>
+
+void CreateAndAttachConsole() {
+  if (::AllocConsole()) {
+    FILE *unused;
+    if (freopen_s(&unused, "CONOUT$", "w", stdout)) {
+      _dup2(_fileno(stdout), 1);
+    }
+    if (freopen_s(&unused, "CONOUT$", "w", stderr)) {
+      _dup2(_fileno(stdout), 2);
+    }
+    std::ios::sync_with_stdio();
+    FlutterDesktopResyncOutputStreams();
+  }
+}
+
+std::vector<std::string> GetCommandLineArguments() {
+  // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use.
+  int argc;
+  wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc);
+  if (argv == nullptr) {
+    return std::vector<std::string>();
+  }
+
+  std::vector<std::string> command_line_arguments;
+
+  // Skip the first argument as it's the binary name.
+  for (int i = 1; i < argc; i++) {
+    command_line_arguments.push_back(Utf8FromUtf16(argv[i]));
+  }
+
+  ::LocalFree(argv);
+
+  return command_line_arguments;
+}
+
+std::string Utf8FromUtf16(const wchar_t* utf16_string) {
+  if (utf16_string == nullptr) {
+    return std::string();
+  }
+  // First, find the length of the string with a safe upper bound (CWE-126).
+  // UNICODE_STRING_MAX_CHARS (32767) is the maximum length of a UNICODE_STRING.
+  int input_length = static_cast<int>(wcsnlen(utf16_string, UNICODE_STRING_MAX_CHARS));
+  // Now use that bounded length to determine the required buffer size.
+  // When an explicit length is passed, WideCharToMultiByte does not include
+  // the null terminator in its returned size.
+  int target_length = ::WideCharToMultiByte(
+      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+      input_length, nullptr, 0, nullptr, nullptr);
+  std::string utf8_string;
+  if (target_length == 0 || static_cast<size_t>(target_length) > utf8_string.max_size()) {
+    return utf8_string;
+  }
+  utf8_string.resize(target_length);
+  int converted_length = ::WideCharToMultiByte(
+      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+      input_length, utf8_string.data(), target_length, nullptr, nullptr);
+  if (converted_length == 0) {
+    return std::string();
+  }
+  return utf8_string;
+}

flutter_app/windows/runner/utils.h

@@ -0,0 +1,19 @@
+#ifndef RUNNER_UTILS_H_
+#define RUNNER_UTILS_H_
+
+#include <string>
+#include <vector>
+
+// Creates a console for the process, and redirects stdout and stderr to
+// it for both the runner and the Flutter library.
+void CreateAndAttachConsole();
+
+// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string
+// encoded in UTF-8. Returns an empty std::string on failure.
+std::string Utf8FromUtf16(const wchar_t* utf16_string);
+
+// Gets the command line arguments passed in as a std::vector<std::string>,
+// encoded in UTF-8. Returns an empty std::vector<std::string> on failure.
+std::vector<std::string> GetCommandLineArguments();
+
+#endif  // RUNNER_UTILS_H_

flutter_app/windows/runner/win32_window.cpp

@@ -0,0 +1,288 @@
+#include "win32_window.h"
+
+#include <dwmapi.h>
+#include <flutter_windows.h>
+
+#include "resource.h"
+
+namespace {
+
+/// Window attribute that enables dark mode window decorations.
+///
+/// Redefined in case the developer's machine has a Windows SDK older than
+/// version 10.0.22000.0.
+/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute
+#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE
+#define DWMWA_USE_IMMERSIVE_DARK_MODE 20
+#endif
+
+constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW";
+
+/// Registry key for app theme preference.
+///
+/// A value of 0 indicates apps should use dark mode. A non-zero or missing
+/// value indicates apps should use light mode.
+constexpr const wchar_t kGetPreferredBrightnessRegKey[] =
+  L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize";
+constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme";
+
+// The number of Win32Window objects that currently exist.
+static int g_active_window_count = 0;
+
+using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd);
+
+// Scale helper to convert logical scaler values to physical using passed in
+// scale factor
+int Scale(int source, double scale_factor) {
+  return static_cast<int>(source * scale_factor);
+}
+
+// Dynamically loads the |EnableNonClientDpiScaling| from the User32 module.
+// This API is only needed for PerMonitor V1 awareness mode.
+void EnableFullDpiSupportIfAvailable(HWND hwnd) {
+  HMODULE user32_module = LoadLibraryA("User32.dll");
+  if (!user32_module) {
+    return;
+  }
+  auto enable_non_client_dpi_scaling =
+      reinterpret_cast<EnableNonClientDpiScaling*>(
+          GetProcAddress(user32_module, "EnableNonClientDpiScaling"));
+  if (enable_non_client_dpi_scaling != nullptr) {
+    enable_non_client_dpi_scaling(hwnd);
+  }
+  FreeLibrary(user32_module);
+}
+
+}  // namespace
+
+// Manages the Win32Window's window class registration.
+class WindowClassRegistrar {
+ public:
+  ~WindowClassRegistrar() = default;
+
+  // Returns the singleton registrar instance.
+  static WindowClassRegistrar* GetInstance() {
+    if (!instance_) {
+      instance_ = new WindowClassRegistrar();
+    }
+    return instance_;
+  }
+
+  // Returns the name of the window class, registering the class if it hasn't
+  // previously been registered.
+  const wchar_t* GetWindowClass();
+
+  // Unregisters the window class. Should only be called if there are no
+  // instances of the window.
+  void UnregisterWindowClass();
+
+ private:
+  WindowClassRegistrar() = default;
+
+  static WindowClassRegistrar* instance_;
+
+  bool class_registered_ = false;
+};
+
+WindowClassRegistrar* WindowClassRegistrar::instance_ = nullptr;
+
+const wchar_t* WindowClassRegistrar::GetWindowClass() {
+  if (!class_registered_) {
+    WNDCLASS window_class{};
+    window_class.hCursor = LoadCursor(nullptr, IDC_ARROW);
+    window_class.lpszClassName = kWindowClassName;
+    window_class.style = CS_HREDRAW | CS_VREDRAW;
+    window_class.cbClsExtra = 0;
+    window_class.cbWndExtra = 0;
+    window_class.hInstance = GetModuleHandle(nullptr);
+    window_class.hIcon =
+        LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON));
+    window_class.hbrBackground = 0;
+    window_class.lpszMenuName = nullptr;
+    window_class.lpfnWndProc = Win32Window::WndProc;
+    RegisterClass(&window_class);
+    class_registered_ = true;
+  }
+  return kWindowClassName;
+}
+
+void WindowClassRegistrar::UnregisterWindowClass() {
+  UnregisterClass(kWindowClassName, nullptr);
+  class_registered_ = false;
+}
+
+Win32Window::Win32Window() {
+  ++g_active_window_count;
+}
+
+Win32Window::~Win32Window() {
+  --g_active_window_count;
+  Destroy();
+}
+
+bool Win32Window::Create(const std::wstring& title,
+                         const Point& origin,
+                         const Size& size) {
+  Destroy();
+
+  const wchar_t* window_class =
+      WindowClassRegistrar::GetInstance()->GetWindowClass();
+
+  const POINT target_point = {static_cast<LONG>(origin.x),
+                              static_cast<LONG>(origin.y)};
+  HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST);
+  UINT dpi = FlutterDesktopGetDpiForMonitor(monitor);
+  double scale_factor = dpi / 96.0;
+
+  HWND window = CreateWindow(
+      window_class, title.c_str(), WS_OVERLAPPEDWINDOW,
+      Scale(origin.x, scale_factor), Scale(origin.y, scale_factor),
+      Scale(size.width, scale_factor), Scale(size.height, scale_factor),
+      nullptr, nullptr, GetModuleHandle(nullptr), this);
+
+  if (!window) {
+    return false;
+  }
+
+  UpdateTheme(window);
+
+  return OnCreate();
+}
+
+bool Win32Window::Show() {
+  return ShowWindow(window_handle_, SW_SHOWNORMAL);
+}
+
+// static
+LRESULT CALLBACK Win32Window::WndProc(HWND const window,
+                                      UINT const message,
+                                      WPARAM const wparam,
+                                      LPARAM const lparam) noexcept {
+  if (message == WM_NCCREATE) {
+    auto window_struct = reinterpret_cast<CREATESTRUCT*>(lparam);
+    SetWindowLongPtr(window, GWLP_USERDATA,
+                     reinterpret_cast<LONG_PTR>(window_struct->lpCreateParams));
+
+    auto that = static_cast<Win32Window*>(window_struct->lpCreateParams);
+    EnableFullDpiSupportIfAvailable(window);
+    that->window_handle_ = window;
+  } else if (Win32Window* that = GetThisFromHandle(window)) {
+    return that->MessageHandler(window, message, wparam, lparam);
+  }
+
+  return DefWindowProc(window, message, wparam, lparam);
+}
+
+LRESULT
+Win32Window::MessageHandler(HWND hwnd,
+                            UINT const message,
+                            WPARAM const wparam,
+                            LPARAM const lparam) noexcept {
+  switch (message) {
+    case WM_DESTROY:
+      window_handle_ = nullptr;
+      Destroy();
+      if (quit_on_close_) {
+        PostQuitMessage(0);
+      }
+      return 0;
+
+    case WM_DPICHANGED: {
+      auto newRectSize = reinterpret_cast<RECT*>(lparam);
+      LONG newWidth = newRectSize->right - newRectSize->left;
+      LONG newHeight = newRectSize->bottom - newRectSize->top;
+
+      SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth,
+                   newHeight, SWP_NOZORDER | SWP_NOACTIVATE);
+
+      return 0;
+    }
+    case WM_SIZE: {
+      RECT rect = GetClientArea();
+      if (child_content_ != nullptr) {
+        // Size and position the child window.
+        MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left,
+                   rect.bottom - rect.top, TRUE);
+      }
+      return 0;
+    }
+
+    case WM_ACTIVATE:
+      if (child_content_ != nullptr) {
+        SetFocus(child_content_);
+      }
+      return 0;
+
+    case WM_DWMCOLORIZATIONCOLORCHANGED:
+      UpdateTheme(hwnd);
+      return 0;
+  }
+
+  return DefWindowProc(window_handle_, message, wparam, lparam);
+}
+
+void Win32Window::Destroy() {
+  OnDestroy();
+
+  if (window_handle_) {
+    DestroyWindow(window_handle_);
+    window_handle_ = nullptr;
+  }
+  if (g_active_window_count == 0) {
+    WindowClassRegistrar::GetInstance()->UnregisterWindowClass();
+  }
+}
+
+Win32Window* Win32Window::GetThisFromHandle(HWND const window) noexcept {
+  return reinterpret_cast<Win32Window*>(
+      GetWindowLongPtr(window, GWLP_USERDATA));
+}
+
+void Win32Window::SetChildContent(HWND content) {
+  child_content_ = content;
+  SetParent(content, window_handle_);
+  RECT frame = GetClientArea();
+
+  MoveWindow(content, frame.left, frame.top, frame.right - frame.left,
+             frame.bottom - frame.top, true);
+
+  SetFocus(child_content_);
+}
+
+RECT Win32Window::GetClientArea() {
+  RECT frame;
+  GetClientRect(window_handle_, &frame);
+  return frame;
+}
+
+HWND Win32Window::GetHandle() {
+  return window_handle_;
+}
+
+void Win32Window::SetQuitOnClose(bool quit_on_close) {
+  quit_on_close_ = quit_on_close;
+}
+
+bool Win32Window::OnCreate() {
+  // No-op; provided for subclasses.
+  return true;
+}
+
+void Win32Window::OnDestroy() {
+  // No-op; provided for subclasses.
+}
+
+void Win32Window::UpdateTheme(HWND const window) {
+  DWORD light_mode;
+  DWORD light_mode_size = sizeof(light_mode);
+  LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey,
+                               kGetPreferredBrightnessRegValue,
+                               RRF_RT_REG_DWORD, nullptr, &light_mode,
+                               &light_mode_size);
+
+  if (result == ERROR_SUCCESS) {
+    BOOL enable_dark_mode = light_mode == 0;
+    DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE,
+                          &enable_dark_mode, sizeof(enable_dark_mode));
+  }
+}

flutter_app/windows/runner/win32_window.h

@@ -0,0 +1,102 @@
+#ifndef RUNNER_WIN32_WINDOW_H_
+#define RUNNER_WIN32_WINDOW_H_
+
+#include <windows.h>
+
+#include <functional>
+#include <memory>
+#include <string>
+
+// A class abstraction for a high DPI-aware Win32 Window. Intended to be
+// inherited from by classes that wish to specialize with custom
+// rendering and input handling
+class Win32Window {
+ public:
+  struct Point {
+    unsigned int x;
+    unsigned int y;
+    Point(unsigned int x, unsigned int y) : x(x), y(y) {}
+  };
+
+  struct Size {
+    unsigned int width;
+    unsigned int height;
+    Size(unsigned int width, unsigned int height)
+        : width(width), height(height) {}
+  };
+
+  Win32Window();
+  virtual ~Win32Window();
+
+  // Creates a win32 window with |title| that is positioned and sized using
+  // |origin| and |size|. New windows are created on the default monitor. Window
+  // sizes are specified to the OS in physical pixels, hence to ensure a
+  // consistent size this function will scale the inputted width and height as
+  // as appropriate for the default monitor. The window is invisible until
+  // |Show| is called. Returns true if the window was created successfully.
+  bool Create(const std::wstring& title, const Point& origin, const Size& size);
+
+  // Show the current window. Returns true if the window was successfully shown.
+  bool Show();
+
+  // Release OS resources associated with window.
+  void Destroy();
+
+  // Inserts |content| into the window tree.
+  void SetChildContent(HWND content);
+
+  // Returns the backing Window handle to enable clients to set icon and other
+  // window properties. Returns nullptr if the window has been destroyed.
+  HWND GetHandle();
+
+  // If true, closing this window will quit the application.
+  void SetQuitOnClose(bool quit_on_close);
+
+  // Return a RECT representing the bounds of the current client area.
+  RECT GetClientArea();
+
+ protected:
+  // Processes and route salient window messages for mouse handling,
+  // size change and DPI. Delegates handling of these to member overloads that
+  // inheriting classes can handle.
+  virtual LRESULT MessageHandler(HWND window,
+                                 UINT const message,
+                                 WPARAM const wparam,
+                                 LPARAM const lparam) noexcept;
+
+  // Called when CreateAndShow is called, allowing subclass window-related
+  // setup. Subclasses should return false if setup fails.
+  virtual bool OnCreate();
+
+  // Called when Destroy is called.
+  virtual void OnDestroy();
+
+ private:
+  friend class WindowClassRegistrar;
+
+  // OS callback called by message pump. Handles the WM_NCCREATE message which
+  // is passed when the non-client area is being created and enables automatic
+  // non-client DPI scaling so that the non-client area automatically
+  // responds to changes in DPI. All other messages are handled by
+  // MessageHandler.
+  static LRESULT CALLBACK WndProc(HWND const window,
+                                  UINT const message,
+                                  WPARAM const wparam,
+                                  LPARAM const lparam) noexcept;
+
+  // Retrieves a class instance pointer for |window|
+  static Win32Window* GetThisFromHandle(HWND const window) noexcept;
+
+  // Update the window frame's theme to match the system theme.
+  static void UpdateTheme(HWND const window);
+
+  bool quit_on_close_ = false;
+
+  // window handle for top level window.
+  HWND window_handle_ = nullptr;
+
+  // window handle for hosted content.
+  HWND child_content_ = nullptr;
+};
+
+#endif  // RUNNER_WIN32_WINDOW_H_