commit 7cee2ae28f187ffa5fa1056c6e55bdc71931ddd9 Author: a1518 Date: Mon Jul 13 20:35:28 2026 -0700 Initial commit: Coin scan demo with blur detection and coin contour cropping - YOLOv5 TFLite coin detection with NMS - Blur classifier for image quality gating - Circular contour refinement and cropping - Camera capture and gallery pick Co-authored-by: Cursor diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..a90cc80 --- /dev/null +++ b/.gitignore @@ -0,0 +1,46 @@ +# Miscellaneous +*.class +*.log +*.pyc +*.swp +.DS_Store +.atom/ +.buildlog/ +.history +.svn/ +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 +.flutter-plugins-dependencies +.pub-cache/ +.pub/ +/build/ + +# 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 + +# Native phash host build (CLI / hashgen) +/native/phash/build/ diff --git a/.metadata b/.metadata new file mode 100644 index 0000000..bfb1e6f --- /dev/null +++ b/.metadata @@ -0,0 +1,33 @@ +# 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: "5dcb86f68f239346676ceb1ed1ea385bd215fba1" + channel: "stable" + +project_type: app + +# Tracks metadata for the flutter migrate command +migration: + platforms: + - platform: root + create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1 + base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1 + - platform: android + create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1 + base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1 + - platform: ios + create_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1 + base_revision: 5dcb86f68f239346676ceb1ed1ea385bd215fba1 + + # 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' diff --git a/README.md b/README.md new file mode 100644 index 0000000..8d246b4 --- /dev/null +++ b/README.md @@ -0,0 +1,23 @@ +# Coin Scan Demo + +对照 CoinSnap 反编译：`detect.tflite`（YOLOv5 硬币检测）+ `blur.tflite`（模糊度二分类）。 + +流程对齐 card-dex-demo，但换成硬币圆框与双模型： + +拍照 / 选图 → **blur 清晰度检测** → **detect 目标框** → **圆形轮廓精修** → 圆形裁剪预览。 + +模型来自 CoinSnap APK `assets/`： + +| 模型 | 输入 | 输出 | +|------|------|------| +| `detect.tflite` | `[1,320,320,3]` NHWC, `/255`, letterbox | `[1,6300,6]` → cx,cy,w,h,obj,cls | +| `blur.tflite` | `[1,3,224,224]` NCHW, `/255`, 白底 letterbox | `[1,2]` → `[blur, clear]` | + +## 运行 + +```bash +export PATH="$HOME/flutter/bin:$PATH" +cd /Users/a1518/Desktop/project/coin-dex-demo +flutter pub get +flutter run +``` diff --git a/analysis_options.yaml b/analysis_options.yaml new file mode 100644 index 0000000..0d29021 --- /dev/null +++ b/analysis_options.yaml @@ -0,0 +1,28 @@ +# 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 diff --git a/android/.gitignore b/android/.gitignore new file mode 100644 index 0000000..6f56801 --- /dev/null +++ b/android/.gitignore @@ -0,0 +1,13 @@ +gradle-wrapper.jar +/.gradle +/captures/ +/gradlew +/gradlew.bat +/local.properties +GeneratedPluginRegistrant.java + +# Remember to never publicly share your keystore. +# See https://flutter.dev/docs/deployment/android#reference-the-keystore-from-the-app +key.properties +**/*.keystore +**/*.jks diff --git a/android/app/build.gradle b/android/app/build.gradle new file mode 100644 index 0000000..8ba6917 --- /dev/null +++ b/android/app/build.gradle @@ -0,0 +1,58 @@ +plugins { + id "com.android.application" + id "kotlin-android" + id "dev.flutter.flutter-gradle-plugin" +} + +def localProperties = new Properties() +def localPropertiesFile = rootProject.file("local.properties") +if (localPropertiesFile.exists()) { + localPropertiesFile.withReader("UTF-8") { reader -> + localProperties.load(reader) + } +} + +def flutterVersionCode = localProperties.getProperty("flutter.versionCode") +if (flutterVersionCode == null) { + flutterVersionCode = "1" +} + +def flutterVersionName = localProperties.getProperty("flutter.versionName") +if (flutterVersionName == null) { + flutterVersionName = "1.0" +} + +android { + namespace = "com.coindex.coin_dex_demo" + compileSdk = 35 + ndkVersion "27.0.12077973" + + compileOptions { + sourceCompatibility = JavaVersion.VERSION_17 + targetCompatibility = JavaVersion.VERSION_17 + } + + kotlinOptions { + jvmTarget = "17" + } + + defaultConfig { + applicationId = "com.coindex.coin_dex_demo" + minSdk = 26 + targetSdk = 35 + versionCode = flutterVersionCode.toInteger() + versionName = flutterVersionName + } + + buildTypes { + release { + signingConfig = signingConfigs.debug + minifyEnabled false + shrinkResources false + } + } +} + +flutter { + source = "../.." +} diff --git a/android/app/src/debug/AndroidManifest.xml b/android/app/src/debug/AndroidManifest.xml new file mode 100644 index 0000000..399f698 --- /dev/null +++ b/android/app/src/debug/AndroidManifest.xml @@ -0,0 +1,7 @@ + + + + diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000..d7b6b82 --- /dev/null +++ b/android/app/src/main/AndroidManifest.xml @@ -0,0 +1,39 @@ + + + + + + + + + + + + + + + + + + + + + + + diff --git a/android/app/src/main/kotlin/com/coindex/coin_dex_demo/MainActivity.kt b/android/app/src/main/kotlin/com/coindex/coin_dex_demo/MainActivity.kt new file mode 100644 index 0000000..5a7481d --- /dev/null +++ b/android/app/src/main/kotlin/com/coindex/coin_dex_demo/MainActivity.kt @@ -0,0 +1,5 @@ +package com.coindex.coin_dex_demo + +import io.flutter.embedding.android.FlutterActivity + +class MainActivity: FlutterActivity() diff --git a/android/app/src/main/res/drawable-v21/launch_background.xml b/android/app/src/main/res/drawable-v21/launch_background.xml new file mode 100644 index 0000000..f74085f --- /dev/null +++ b/android/app/src/main/res/drawable-v21/launch_background.xml @@ -0,0 +1,12 @@ + + + + + + + + diff --git a/android/app/src/main/res/drawable/launch_background.xml b/android/app/src/main/res/drawable/launch_background.xml new file mode 100644 index 0000000..304732f --- /dev/null +++ b/android/app/src/main/res/drawable/launch_background.xml @@ -0,0 +1,12 @@ + + + + + + + + diff --git a/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png new file mode 100644 index 0000000..db77bb4 Binary files /dev/null and b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png differ diff --git a/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png new file mode 100644 index 0000000..17987b7 Binary files /dev/null and b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png differ diff --git a/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png new file mode 100644 index 0000000..09d4391 Binary files /dev/null and b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ diff --git a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png new file mode 100644 index 0000000..d5f1c8d Binary files /dev/null and b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ diff --git a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png new file mode 100644 index 0000000..4d6372e Binary files /dev/null and b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ diff --git a/android/app/src/main/res/values-night/styles.xml b/android/app/src/main/res/values-night/styles.xml new file mode 100644 index 0000000..06952be --- /dev/null +++ b/android/app/src/main/res/values-night/styles.xml @@ -0,0 +1,18 @@ + + + + + + + diff --git a/android/app/src/main/res/values/styles.xml b/android/app/src/main/res/values/styles.xml new file mode 100644 index 0000000..cb1ef88 --- /dev/null +++ b/android/app/src/main/res/values/styles.xml @@ -0,0 +1,18 @@ + + + + + + + diff --git a/android/app/src/profile/AndroidManifest.xml b/android/app/src/profile/AndroidManifest.xml new file mode 100644 index 0000000..399f698 --- /dev/null +++ b/android/app/src/profile/AndroidManifest.xml @@ -0,0 +1,7 @@ + + + + diff --git a/android/build.gradle b/android/build.gradle new file mode 100644 index 0000000..d2ffbff --- /dev/null +++ b/android/build.gradle @@ -0,0 +1,18 @@ +allprojects { + repositories { + google() + mavenCentral() + } +} + +rootProject.buildDir = "../build" +subprojects { + project.buildDir = "${rootProject.buildDir}/${project.name}" +} +subprojects { + project.evaluationDependsOn(":app") +} + +tasks.register("clean", Delete) { + delete rootProject.buildDir +} diff --git a/android/gradle.properties b/android/gradle.properties new file mode 100644 index 0000000..3b5b324 --- /dev/null +++ b/android/gradle.properties @@ -0,0 +1,3 @@ +org.gradle.jvmargs=-Xmx4G -XX:+HeapDumpOnOutOfMemoryError +android.useAndroidX=true +android.enableJetifier=true diff --git a/android/gradle/wrapper/gradle-wrapper.properties b/android/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..c6a2952 --- /dev/null +++ b/android/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,5 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.11.1-bin.zip diff --git a/android/settings.gradle b/android/settings.gradle new file mode 100644 index 0000000..5ae1247 --- /dev/null +++ b/android/settings.gradle @@ -0,0 +1,25 @@ +pluginManagement { + def flutterSdkPath = { + def properties = new Properties() + file("local.properties").withInputStream { properties.load(it) } + def flutterSdkPath = properties.getProperty("flutter.sdk") + assert flutterSdkPath != null, "flutter.sdk not set in local.properties" + return 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 "8.7.0" apply false + id "org.jetbrains.kotlin.android" version "2.0.21" apply false +} + +include ":app" diff --git a/assets/ml/blur.tflite b/assets/ml/blur.tflite new file mode 100644 index 0000000..39f6dc2 Binary files /dev/null and b/assets/ml/blur.tflite differ diff --git a/assets/ml/detect.tflite b/assets/ml/detect.tflite new file mode 100644 index 0000000..50c8a9d Binary files /dev/null and b/assets/ml/detect.tflite differ diff --git a/ios/.gitignore b/ios/.gitignore new file mode 100644 index 0000000..7a7f987 --- /dev/null +++ b/ios/.gitignore @@ -0,0 +1,34 @@ +**/dgph +*.mode1v3 +*.mode2v3 +*.moved-aside +*.pbxuser +*.perspectivev3 +**/*sync/ +.sconsign.dblite +.tags* +**/.vagrant/ +**/DerivedData/ +Icon? +**/Pods/ +**/.symlinks/ +profile +xcuserdata +**/.generated/ +Flutter/App.framework +Flutter/Flutter.framework +Flutter/Flutter.podspec +Flutter/Generated.xcconfig +Flutter/ephemeral/ +Flutter/app.flx +Flutter/app.zip +Flutter/flutter_assets/ +Flutter/flutter_export_environment.sh +ServiceDefinitions.json +Runner/GeneratedPluginRegistrant.* + +# Exceptions to above rules. +!default.mode1v3 +!default.mode2v3 +!default.pbxuser +!default.perspectivev3 diff --git a/ios/Flutter/AppFrameworkInfo.plist b/ios/Flutter/AppFrameworkInfo.plist new file mode 100644 index 0000000..7c56964 --- /dev/null +++ b/ios/Flutter/AppFrameworkInfo.plist @@ -0,0 +1,26 @@ + + + + + CFBundleDevelopmentRegion + en + CFBundleExecutable + App + CFBundleIdentifier + io.flutter.flutter.app + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + App + CFBundlePackageType + FMWK + CFBundleShortVersionString + 1.0 + CFBundleSignature + ???? + CFBundleVersion + 1.0 + MinimumOSVersion + 12.0 + + diff --git a/ios/Flutter/Debug.xcconfig b/ios/Flutter/Debug.xcconfig new file mode 100644 index 0000000..ec97fc6 --- /dev/null +++ b/ios/Flutter/Debug.xcconfig @@ -0,0 +1,2 @@ +#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig" +#include "Generated.xcconfig" diff --git a/ios/Flutter/Release.xcconfig b/ios/Flutter/Release.xcconfig new file mode 100644 index 0000000..c4855bf --- /dev/null +++ b/ios/Flutter/Release.xcconfig @@ -0,0 +1,2 @@ +#include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig" +#include "Generated.xcconfig" diff --git a/ios/Podfile b/ios/Podfile new file mode 100644 index 0000000..2c51016 --- /dev/null +++ b/ios/Podfile @@ -0,0 +1,42 @@ +platform :ios, '12.0' + +ENV['COCOAPODS_DISABLE_STATS'] = 'true' + +project 'Runner', { + 'Debug' => :debug, + 'Profile' => :release, + 'Release' => :release, +} + +def flutter_root + generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__) + unless File.exist?(generated_xcode_build_settings_path) + raise "#{generated_xcode_build_settings_path} must exist. Run flutter pub get first" + end + + File.foreach(generated_xcode_build_settings_path) do |line| + matches = line.match(/FLUTTER_ROOT\=(.*)/) + return matches[1].strip if matches + end + raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}" +end + +require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root) + +flutter_ios_podfile_setup + +target 'Runner' do + use_frameworks! + use_modular_headers! + + flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__)) +end + +post_install do |installer| + installer.pods_project.targets.each do |target| + flutter_additional_ios_build_settings(target) + target.build_configurations.each do |config| + config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '12.0' + end + end +end diff --git a/ios/Runner.xcodeproj/project.pbxproj b/ios/Runner.xcodeproj/project.pbxproj new file mode 100644 index 0000000..7b6b1d9 --- /dev/null +++ b/ios/Runner.xcodeproj/project.pbxproj @@ -0,0 +1,616 @@ 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b/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings @@ -0,0 +1,8 @@ + + + + + PreviewsEnabled + + + diff --git a/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme new file mode 100644 index 0000000..8e3ca5d --- /dev/null +++ b/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme @@ -0,0 +1,98 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/ios/Runner.xcworkspace/contents.xcworkspacedata b/ios/Runner.xcworkspace/contents.xcworkspacedata new file mode 100644 index 0000000..1d526a1 --- /dev/null +++ b/ios/Runner.xcworkspace/contents.xcworkspacedata @@ -0,0 +1,7 @@ + + + + + diff --git a/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist b/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist new file mode 100644 index 0000000..18d9810 --- /dev/null +++ b/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist @@ -0,0 +1,8 @@ + + + + + IDEDidComputeMac32BitWarning + + + diff --git a/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings b/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings new file mode 100644 index 0000000..f9b0d7c --- /dev/null +++ b/ios/Runner.xcworkspace/xcshareddata/WorkspaceSettings.xcsettings @@ -0,0 +1,8 @@ + + + + + PreviewsEnabled + + + diff --git a/ios/Runner/AppDelegate.swift b/ios/Runner/AppDelegate.swift new file mode 100644 index 0000000..9074fee --- /dev/null +++ b/ios/Runner/AppDelegate.swift @@ -0,0 +1,13 @@ +import Flutter +import UIKit + +@UIApplicationMain +@objc class AppDelegate: FlutterAppDelegate { + override func application( + _ application: UIApplication, + didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? + ) -> Bool { + GeneratedPluginRegistrant.register(with: self) + return super.application(application, didFinishLaunchingWithOptions: launchOptions) + } +} diff --git a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json new file mode 100644 index 0000000..d36b1fa --- /dev/null +++ b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json @@ -0,0 +1,122 @@ +{ + "images" : [ + { + "size" : "20x20", + "idiom" : "iphone", + "filename" : "Icon-App-20x20@2x.png", + "scale" : "2x" + }, + { + "size" : "20x20", + "idiom" : "iphone", + "filename" : "Icon-App-20x20@3x.png", + "scale" : "3x" + }, + { + "size" : "29x29", + "idiom" : "iphone", + "filename" : "Icon-App-29x29@1x.png", + "scale" : "1x" + }, + { + "size" : "29x29", + "idiom" : "iphone", + "filename" : "Icon-App-29x29@2x.png", + "scale" : "2x" + }, + { + "size" : "29x29", + "idiom" : "iphone", + "filename" : "Icon-App-29x29@3x.png", + "scale" : "3x" + }, + { + "size" : "40x40", + "idiom" : "iphone", + "filename" : "Icon-App-40x40@2x.png", + "scale" : "2x" + }, + { + "size" : "40x40", + "idiom" : "iphone", + "filename" : "Icon-App-40x40@3x.png", + "scale" : "3x" + }, + { + "size" : "60x60", + "idiom" : "iphone", + "filename" : "Icon-App-60x60@2x.png", + "scale" : "2x" + }, + { + "size" : "60x60", + "idiom" : "iphone", + "filename" : "Icon-App-60x60@3x.png", + "scale" : "3x" + }, + { + "size" : "20x20", + "idiom" : "ipad", + "filename" : "Icon-App-20x20@1x.png", + "scale" : "1x" + }, + { + "size" : "20x20", + "idiom" : "ipad", + "filename" : "Icon-App-20x20@2x.png", + "scale" : "2x" + }, + { + "size" : "29x29", + "idiom" : "ipad", + "filename" : "Icon-App-29x29@1x.png", + "scale" : "1x" + }, + { + "size" : "29x29", + "idiom" : "ipad", + "filename" : "Icon-App-29x29@2x.png", + "scale" : "2x" + }, + { + "size" : "40x40", + "idiom" : "ipad", + "filename" : "Icon-App-40x40@1x.png", + "scale" : "1x" + }, + { + "size" : "40x40", + "idiom" : "ipad", + "filename" : "Icon-App-40x40@2x.png", + "scale" : "2x" + }, + { + "size" : "76x76", + "idiom" : "ipad", + "filename" : "Icon-App-76x76@1x.png", + "scale" : "1x" + }, + { + "size" : "76x76", + "idiom" : "ipad", + "filename" : "Icon-App-76x76@2x.png", + "scale" : "2x" + }, + { + "size" : "83.5x83.5", + "idiom" : "ipad", + "filename" : "Icon-App-83.5x83.5@2x.png", + "scale" : "2x" + }, + { + "size" : "1024x1024", + "idiom" : "ios-marketing", + "filename" : "Icon-App-1024x1024@1x.png", + "scale" : "1x" + } + ], + "info" : { + "version" : 1, + "author" : "xcode" + } +} diff --git a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png new file mode 100644 index 0000000..dc9ada4 Binary files /dev/null and b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-1024x1024@1x.png differ diff --git a/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-20x20@1x.png new file mode 100644 index 0000000..7353c41 Binary files /dev/null and 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b/ios/Runner/Assets.xcassets/AppIcon.appiconset/Icon-App-83.5x83.5@2x.png differ diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json b/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json new file mode 100644 index 0000000..0bedcf2 --- /dev/null +++ b/ios/Runner/Assets.xcassets/LaunchImage.imageset/Contents.json @@ -0,0 +1,23 @@ +{ + "images" : [ + { + "idiom" : "universal", + "filename" : "LaunchImage.png", + "scale" : "1x" + }, + { + "idiom" : "universal", + "filename" : "LaunchImage@2x.png", + "scale" : "2x" + }, + { + "idiom" : "universal", + "filename" : "LaunchImage@3x.png", + "scale" : "3x" + } + ], + "info" : { + "version" : 1, + "author" : "xcode" + } +} diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png new file mode 100644 index 0000000..9da19ea Binary files /dev/null and b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png differ diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png new file mode 100644 index 0000000..9da19ea Binary files /dev/null and b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png differ diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png new file mode 100644 index 0000000..9da19ea Binary files /dev/null and b/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png differ diff --git a/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md b/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md new file mode 100644 index 0000000..89c2725 --- /dev/null +++ b/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md @@ -0,0 +1,5 @@ +# Launch Screen Assets + +You can customize the launch screen with your own desired assets by replacing the image files in this directory. + +You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images. \ No newline at end of file diff --git a/ios/Runner/Base.lproj/LaunchScreen.storyboard b/ios/Runner/Base.lproj/LaunchScreen.storyboard new file mode 100644 index 0000000..f2e259c --- /dev/null +++ b/ios/Runner/Base.lproj/LaunchScreen.storyboard @@ -0,0 +1,37 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/ios/Runner/Base.lproj/Main.storyboard b/ios/Runner/Base.lproj/Main.storyboard new file mode 100644 index 0000000..f3c2851 --- /dev/null +++ b/ios/Runner/Base.lproj/Main.storyboard @@ -0,0 +1,26 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/ios/Runner/Info.plist b/ios/Runner/Info.plist new file mode 100644 index 0000000..aa67688 --- /dev/null +++ b/ios/Runner/Info.plist @@ -0,0 +1,53 @@ + + + + + CFBundleDevelopmentRegion + $(DEVELOPMENT_LANGUAGE) + CFBundleDisplayName + Coin Scan Demo + CFBundleExecutable + $(EXECUTABLE_NAME) + CFBundleIdentifier + $(PRODUCT_BUNDLE_IDENTIFIER) + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + coin_dex_demo + CFBundlePackageType + APPL + CFBundleShortVersionString + $(FLUTTER_BUILD_NAME) + CFBundleSignature + ???? + CFBundleVersion + $(FLUTTER_BUILD_NUMBER) + LSRequiresIPhoneOS + + UILaunchStoryboardName + LaunchScreen + UIMainStoryboardFile + Main + UISupportedInterfaceOrientations + + UIInterfaceOrientationPortrait + UIInterfaceOrientationLandscapeLeft + UIInterfaceOrientationLandscapeRight + + UISupportedInterfaceOrientations~ipad + + UIInterfaceOrientationPortrait + UIInterfaceOrientationPortraitUpsideDown + UIInterfaceOrientationLandscapeLeft + UIInterfaceOrientationLandscapeRight + + CADisableMinimumFrameDurationOnPhone + + UIApplicationSupportsIndirectInputEvents + + NSCameraUsageDescription + Camera access is required to scan and crop coins. + NSPhotoLibraryUsageDescription + Photo library access is required to pick a coin image. + + diff --git a/ios/Runner/Runner-Bridging-Header.h b/ios/Runner/Runner-Bridging-Header.h new file mode 100644 index 0000000..308a2a5 --- /dev/null +++ b/ios/Runner/Runner-Bridging-Header.h @@ -0,0 +1 @@ +#import "GeneratedPluginRegistrant.h" diff --git a/ios/RunnerTests/RunnerTests.swift b/ios/RunnerTests/RunnerTests.swift new file mode 100644 index 0000000..86a7c3b --- /dev/null +++ b/ios/RunnerTests/RunnerTests.swift @@ -0,0 +1,12 @@ +import Flutter +import UIKit +import XCTest + +class RunnerTests: XCTestCase { + + func testExample() { + // If you add code to the Runner application, consider adding tests here. + // See https://developer.apple.com/documentation/xctest for more information about using XCTest. + } + +} diff --git a/lib/main.dart b/lib/main.dart new file mode 100644 index 0000000..576d04d --- /dev/null +++ b/lib/main.dart @@ -0,0 +1,34 @@ +import 'package:flutter/material.dart'; +import 'package:flutter/services.dart'; + +import 'screens/capture_screen.dart'; + +Future main() async { + WidgetsFlutterBinding.ensureInitialized(); + await SystemChrome.setPreferredOrientations([ + DeviceOrientation.portraitUp, + ]); + runApp(const CoinScanDemoApp()); +} + +class CoinScanDemoApp extends StatelessWidget { + const CoinScanDemoApp({super.key}); + + @override + Widget build(BuildContext context) { + return MaterialApp( + title: 'Coin Scan Demo', + debugShowCheckedModeBanner: false, + theme: ThemeData( + brightness: Brightness.dark, + colorScheme: ColorScheme.fromSeed( + seedColor: const Color(0xFFEAB308), + brightness: Brightness.dark, + ), + useMaterial3: true, + scaffoldBackgroundColor: const Color(0xFF0B0C10), + ), + home: const CaptureScreen(), + ); + } +} diff --git a/lib/screens/capture_screen.dart b/lib/screens/capture_screen.dart new file mode 100644 index 0000000..501ed7d --- /dev/null +++ b/lib/screens/capture_screen.dart @@ -0,0 +1,323 @@ +import 'package:camera/camera.dart'; +import 'package:flutter/material.dart'; +import 'package:image_picker/image_picker.dart'; + +import '../services/coin_scan_gate.dart'; +import '../widgets/guide_overlay.dart'; +import 'preview_screen.dart'; + +/// Capture only — blur + detect run after shutter (CoinSnap flow). +class CaptureScreen extends StatefulWidget { + const CaptureScreen({super.key}); + + @override + State createState() => _CaptureScreenState(); +} + +class _CaptureScreenState extends State + with WidgetsBindingObserver { + final _picker = ImagePicker(); + + CameraController? _camera; + List _cameras = const []; + bool _ready = false; + bool _busy = false; + String? _error; + Size? _previewSize; + + @override + void initState() { + super.initState(); + WidgetsBinding.instance.addObserver(this); + _initCamera(); + } + + @override + void dispose() { + WidgetsBinding.instance.removeObserver(this); + _camera?.dispose(); + super.dispose(); + } + + @override + void didChangeAppLifecycleState(AppLifecycleState state) { + final cam = _camera; + if (cam == null || !cam.value.isInitialized) return; + if (state == AppLifecycleState.inactive) { + cam.dispose(); + _camera = null; + _ready = false; + } else if (state == AppLifecycleState.resumed) { + _initCamera(); + } + } + + Future _initCamera() async { + try { + _cameras = await availableCameras(); + if (_cameras.isEmpty) { + setState(() => _error = '没有可用相机'); + return; + } + final back = _cameras.firstWhere( + (c) => c.lensDirection == CameraLensDirection.back, + orElse: () => _cameras.first, + ); + final controller = CameraController( + back, + ResolutionPreset.high, + enableAudio: false, + ); + await controller.initialize(); + if (!mounted) { + await controller.dispose(); + return; + } + _camera = controller; + setState(() { + _ready = true; + _error = null; + }); + } catch (e) { + setState(() => _error = '相机初始化失败: $e'); + } + } + + Future _openPreviewIfOk(String path) async { + final result = await CoinScanGate.evaluate( + imagePath: path, + captureViewport: _previewSize, + ); + if (!mounted) return; + if (!result.ok) { + final msg = switch (result.fail) { + CoinGateFail.blurry => + '图像过模糊（清晰度 ${(result.blur!.clearScore * 100).toStringAsFixed(0)}%），请重拍', + CoinGateFail.noCoin => '未检测到硬币，请对准圆框后重拍', + CoinGateFail.none => '无法处理该图片', + }; + ScaffoldMessenger.of(context).showSnackBar( + SnackBar(content: Text(msg), duration: const Duration(seconds: 2)), + ); + return; + } + await Navigator.of(context).push( + MaterialPageRoute( + builder: (_) => PreviewScreen( + imagePath: path, + captureViewport: _previewSize, + ), + ), + ); + } + + Future _capture() async { + if (_busy) return; + final cam = _camera; + if (cam == null || !cam.value.isInitialized) return; + + setState(() => _busy = true); + try { + final shot = await cam.takePicture(); + await _openPreviewIfOk(shot.path); + } catch (e) { + if (mounted) { + ScaffoldMessenger.of(context).showSnackBar( + SnackBar(content: Text('拍照失败: $e')), + ); + } + } finally { + if (mounted) setState(() => _busy = false); + } + } + + Future _pickGallery() async { + if (_busy) return; + setState(() => _busy = true); + try { + final file = await _picker.pickImage( + source: ImageSource.gallery, + imageQuality: 100, + requestFullMetadata: true, + ); + if (file == null) return; + await _openPreviewIfOk(file.path); + } catch (e) { + if (mounted) { + ScaffoldMessenger.of(context).showSnackBar( + SnackBar(content: Text('选图失败: $e')), + ); + } + } finally { + if (mounted) setState(() => _busy = false); + } + } + + Future _switchCamera() async { + if (_cameras.length < 2 || _busy) return; + final current = _camera?.description; + final next = _cameras.firstWhere( + (c) => c.lensDirection != current?.lensDirection, + orElse: () => _cameras.first, + ); + setState(() => _ready = false); + await _camera?.dispose(); + final controller = CameraController( + next, + ResolutionPreset.high, + enableAudio: false, + ); + await controller.initialize(); + if (!mounted) { + await controller.dispose(); + return; + } + _camera = controller; + setState(() => _ready = true); + } + + @override + Widget build(BuildContext context) { + return Scaffold( + body: Stack( + fit: StackFit.expand, + children: [ + _buildPreview(), + SafeArea( + child: Padding( + padding: const EdgeInsets.fromLTRB(20, 16, 20, 0), + child: Column( + crossAxisAlignment: CrossAxisAlignment.start, + children: [ + Text( + '硬币扫描', + style: Theme.of(context).textTheme.headlineSmall?.copyWith( + fontWeight: FontWeight.w700, + ), + ), + const SizedBox(height: 4), + Text( + '将硬币放入圆框 → blur 清晰度检测 → detect 轮廓锁定', + style: Theme.of(context).textTheme.bodyMedium?.copyWith( + color: Colors.white70, + ), + ), + ], + ), + ), + ), + if (_busy) + const ColoredBox( + color: Color(0x66000000), + child: Center(child: CircularProgressIndicator()), + ), + Positioned( + left: 0, + right: 0, + bottom: 0, + child: _buildControls(), + ), + ], + ), + ); + } + + Widget _buildPreview() { + if (_error != null) { + return Center( + child: Padding( + padding: const EdgeInsets.all(24), + child: Text(_error!, textAlign: TextAlign.center), + ), + ); + } + final cam = _camera; + if (!_ready || cam == null || !cam.value.isInitialized) { + return const Center(child: CircularProgressIndicator()); + } + + return LayoutBuilder( + builder: (context, constraints) { + final previewSize = Size(constraints.maxWidth, constraints.maxHeight); + _previewSize = previewSize; + return Stack( + fit: StackFit.expand, + children: [ + FittedBox( + fit: BoxFit.cover, + child: SizedBox( + width: cam.value.previewSize?.height ?? previewSize.width, + height: cam.value.previewSize?.width ?? previewSize.height, + child: CameraPreview(cam), + ), + ), + GuideOverlay(size: previewSize), + ], + ); + }, + ); + } + + Widget _buildControls() { + return SafeArea( + child: Padding( + padding: const EdgeInsets.fromLTRB(28, 12, 28, 24), + child: Row( + mainAxisAlignment: MainAxisAlignment.spaceBetween, + children: [ + _RoundButton( + icon: Icons.photo_library_outlined, + onTap: _busy ? null : _pickGallery, + ), + GestureDetector( + onTap: _busy ? null : _capture, + child: Container( + width: 76, + height: 76, + decoration: BoxDecoration( + shape: BoxShape.circle, + border: Border.all(color: Colors.white, width: 4), + ), + padding: const EdgeInsets.all(5), + child: Container( + decoration: const BoxDecoration( + color: Colors.white, + shape: BoxShape.circle, + ), + ), + ), + ), + _RoundButton( + icon: Icons.flip_camera_ios_outlined, + onTap: _busy ? null : _switchCamera, + ), + ], + ), + ), + ); + } +} + +class _RoundButton extends StatelessWidget { + const _RoundButton({required this.icon, this.onTap}); + + final IconData icon; + final VoidCallback? onTap; + + @override + Widget build(BuildContext context) { + return Material( + color: Colors.white12, + shape: const CircleBorder(), + child: InkWell( + customBorder: const CircleBorder(), + onTap: onTap, + child: SizedBox( + width: 52, + height: 52, + child: Icon(icon, color: Colors.white), + ), + ), + ); + } +} diff --git a/lib/screens/preview_screen.dart b/lib/screens/preview_screen.dart new file mode 100644 index 0000000..0b0b1da --- /dev/null +++ b/lib/screens/preview_screen.dart @@ -0,0 +1,377 @@ +import 'dart:io'; +import 'dart:ui' as ui; + +import 'package:flutter/material.dart'; +import 'package:image/image.dart' as img; +import 'package:path_provider/path_provider.dart'; + +import '../services/blur_detector.dart'; +import '../services/coin_cropper.dart'; +import '../services/coin_detector.dart'; +import '../widgets/guide_frame.dart'; + +/// Post-capture: blur check → detect → contour refine → circular crop. +class PreviewScreen extends StatefulWidget { + const PreviewScreen({ + super.key, + required this.imagePath, + this.captureViewport, + }); + + final String imagePath; + final Size? captureViewport; + + @override + State createState() => _PreviewScreenState(); +} + +class _PreviewScreenState extends State { + final _detector = CoinDetector(); + final _blur = BlurDetector(); + + bool _loading = true; + String? _error; + ui.Image? _sourceImage; + CoinBox? _locked; + CropResult? _crop; + BlurResult? _blurResult; + + @override + void initState() { + super.initState(); + _run(); + } + + @override + void dispose() { + _sourceImage?.dispose(); + _detector.dispose(); + _blur.dispose(); + super.dispose(); + } + + Future _run() async { + try { + final raw = await File(widget.imagePath).readAsBytes(); + final displayCodec = await ui.instantiateImageCodec(raw); + final displayFrame = await displayCodec.getNextFrame(); + final fullImage = displayFrame.image; + + final rgba = await fullImage.toByteData(format: ui.ImageByteFormat.rawRgba); + if (rgba == null) { + fullImage.dispose(); + throw StateError('无法读取像素'); + } + + final fullRaster = img.Image.fromBytes( + width: fullImage.width, + height: fullImage.height, + bytes: rgba.buffer, + bytesOffset: rgba.offsetInBytes, + numChannels: 4, + order: img.ChannelOrder.rgba, + ); + fullImage.dispose(); + + final imageSize = Size( + fullRaster.width.toDouble(), + fullRaster.height.toDouble(), + ); + final guide = widget.captureViewport != null + ? GuideFrame.inCoverImage( + viewport: widget.captureViewport!, + imageSize: imageSize, + ) + : GuideFrame.inImage(imageSize); + + final gx = guide.left.round().clamp(0, fullRaster.width - 1); + final gy = guide.top.round().clamp(0, fullRaster.height - 1); + final gw = guide.width.round().clamp(1, fullRaster.width - gx); + final gh = guide.height.round().clamp(1, fullRaster.height - gy); + final raster = img.copyCrop( + fullRaster, + x: gx, + y: gy, + width: gw, + height: gh, + ); + + final blurResult = await _blur.evaluate(raster); + if (blurResult.isBlurry) { + if (!mounted) return; + ScaffoldMessenger.of(context).showSnackBar( + SnackBar( + content: Text( + '图像过模糊（清晰 ${(blurResult.clearScore * 100).toStringAsFixed(0)}%），请重拍', + ), + ), + ); + Navigator.of(context).pop(); + return; + } + + final dir = await getTemporaryDirectory(); + final guidePath = + '${dir.path}/coin_guide_${DateTime.now().millisecondsSinceEpoch}.jpg'; + await File(guidePath).writeAsBytes( + img.encodeJpg(raster, quality: 100), + flush: true, + ); + + final guideBytes = img.encodeJpg(raster, quality: 100); + final guideCodec = await ui.instantiateImageCodec(guideBytes); + final guideFrame = await guideCodec.getNextFrame(); + final displayImage = guideFrame.image; + + final boxes = await _detector.detectImage(raster); + final guideSize = Size( + displayImage.width.toDouble(), + displayImage.height.toDouble(), + ); + var best = _detector.pickBest(boxes, imageSize: guideSize); + if (best == null) { + displayImage.dispose(); + if (!mounted) return; + ScaffoldMessenger.of(context).showSnackBar( + const SnackBar(content: Text('未检测到硬币，请重拍')), + ); + Navigator.of(context).pop(); + return; + } + best = _detector.refineContour(raster, best); + + final crop = await CoinCropper.cropAndCorrect( + imagePath: guidePath, + box: best, + ); + + if (!mounted) { + displayImage.dispose(); + return; + } + setState(() { + _sourceImage = displayImage; + _locked = best; + _crop = crop; + _blurResult = blurResult; + _loading = false; + }); + } catch (e) { + if (!mounted) return; + setState(() { + _error = '处理失败: $e'; + _loading = false; + }); + } + } + + @override + Widget build(BuildContext context) { + return Scaffold( + appBar: AppBar( + title: const Text('硬币轮廓锁定'), + backgroundColor: Colors.transparent, + ), + body: SafeArea( + child: Padding( + padding: const EdgeInsets.fromLTRB(20, 8, 20, 24), + child: _loading + ? const Center( + child: Column( + mainAxisSize: MainAxisSize.min, + children: [ + CircularProgressIndicator(), + SizedBox(height: 16), + Text('blur → detect → 轮廓精修…'), + ], + ), + ) + : _error != null + ? Center(child: Text(_error!, textAlign: TextAlign.center)) + : _buildContent(context), + ), + ), + ); + } + + Widget _buildContent(BuildContext context) { + final blur = _blurResult; + final locked = _locked; + final meta = [ + if (blur != null) + '清晰度 ${(blur.clearScore * 100).toStringAsFixed(0)}%', + if (locked != null) + '检测 ${(locked.confidence * 100).toStringAsFixed(0)}%', + if (locked?.radius != null) + '半径 ${locked!.radius!.round()}px', + ].join(' · '); + + return Column( + crossAxisAlignment: CrossAxisAlignment.stretch, + children: [ + Text( + meta, + style: Theme.of(context).textTheme.bodyMedium?.copyWith( + color: Colors.white70, + ), + ), + const SizedBox(height: 8), + Expanded( + child: SingleChildScrollView( + child: Column( + crossAxisAlignment: CrossAxisAlignment.stretch, + children: [ + SizedBox( + height: 260, + child: _LockedPhotoView( + image: _sourceImage!, + locked: _locked, + ), + ), + const SizedBox(height: 12), + Text('圆形裁剪', style: Theme.of(context).textTheme.titleSmall), + const SizedBox(height: 6), + SizedBox( + height: 200, + child: Center( + child: ClipOval( + child: ColoredBox( + color: Colors.black26, + child: Image.memory( + _crop!.bytes, + width: 180, + height: 180, + fit: BoxFit.cover, + filterQuality: FilterQuality.high, + ), + ), + ), + ), + ), + const SizedBox(height: 16), + FilledButton.icon( + onPressed: () => Navigator.of(context).pop(), + icon: const Icon(Icons.camera_alt_outlined), + label: const Text('重新拍摄'), + style: FilledButton.styleFrom( + minimumSize: const Size.fromHeight(48), + ), + ), + ], + ), + ), + ), + ], + ); + } +} + +class _LockedPhotoView extends StatelessWidget { + const _LockedPhotoView({required this.image, required this.locked}); + + final ui.Image image; + final CoinBox? locked; + + @override + Widget build(BuildContext context) { + return LayoutBuilder( + builder: (context, constraints) { + final view = Size(constraints.maxWidth, constraints.maxHeight); + final imgSize = Size(image.width.toDouble(), image.height.toDouble()); + final fitted = _contain(imgSize, view); + + return ClipRRect( + borderRadius: BorderRadius.circular(12), + child: ColoredBox( + color: Colors.black26, + child: Stack( + children: [ + Positioned.fromRect( + rect: fitted, + child: RawImage( + image: image, + fit: BoxFit.fill, + filterQuality: FilterQuality.high, + ), + ), + if (locked != null) + Positioned.fill( + child: CustomPaint( + painter: _LockPainter( + box: locked!, + imageSize: imgSize, + fitted: fitted, + ), + ), + ), + ], + ), + ), + ); + }, + ); + } + + static Rect _contain(Size image, Size view) { + final scale = (view.width / image.width < view.height / image.height) + ? view.width / image.width + : view.height / image.height; + final w = image.width * scale; + final h = image.height * scale; + return Rect.fromLTWH( + (view.width - w) / 2, + (view.height - h) / 2, + w, + h, + ); + } +} + +class _LockPainter extends CustomPainter { + _LockPainter({ + required this.box, + required this.imageSize, + required this.fitted, + }); + + final CoinBox box; + final Size imageSize; + final Rect fitted; + + Offset _map(Offset p) => Offset( + fitted.left + p.dx / imageSize.width * fitted.width, + fitted.top + p.dy / imageSize.height * fitted.height, + ); + + @override + void paint(Canvas canvas, Size size) { + final c = _map(box.effectiveCenter); + final r = box.effectiveRadius / imageSize.width * fitted.width; + + final ring = Paint() + ..style = PaintingStyle.stroke + ..strokeWidth = 3 + ..color = const Color(0xFFEAB308); + canvas.drawCircle(c, r, ring); + + final aabb = Paint() + ..style = PaintingStyle.stroke + ..strokeWidth = 1.2 + ..color = const Color(0x66EAB308); + final tl = _map(box.rect.topLeft); + final br = _map(box.rect.bottomRight); + canvas.drawRect(Rect.fromPoints(tl, br), aabb); + + final cross = Paint() + ..color = const Color(0xFFEAB308) + ..strokeWidth = 2; + const len = 10.0; + canvas.drawLine(Offset(c.dx - len, c.dy), Offset(c.dx + len, c.dy), cross); + canvas.drawLine(Offset(c.dx, c.dy - len), Offset(c.dx, c.dy + len), cross); + } + + @override + bool shouldRepaint(covariant _LockPainter old) { + return old.box != box || old.fitted != fitted || old.imageSize != imageSize; + } +} diff --git a/lib/services/blur_detector.dart b/lib/services/blur_detector.dart new file mode 100644 index 0000000..a64551a --- /dev/null +++ b/lib/services/blur_detector.dart @@ -0,0 +1,117 @@ +import 'dart:typed_data'; + +import 'package:image/image.dart' as img; +import 'package:tflite_flutter/tflite_flutter.dart'; + +/// Blur / sharpness result from CoinSnap `blur.tflite`. +class BlurResult { + const BlurResult({ + required this.blurScore, + required this.clearScore, + required this.isBlurry, + }); + + /// Softmax-ish class 0 = blur, class 1 = clear (from model). + final double blurScore; + final double clearScore; + final bool isBlurry; + + double get confidence => isBlurry ? blurScore : clearScore; +} + +/// CoinSnap blur classifier (`assets/ml/blur.tflite`). +/// +/// Input: `[1, 3, 224, 224]` NCHW float32, letterbox on white, pixels / 255. +/// Output: `[1, 2]` → `[blur, clear]`. +class BlurDetector { + BlurDetector({this.clearThreshold = 0.55}); + + static const int inputSize = 224; + static const String assetPath = 'assets/ml/blur.tflite'; + + /// Clear score must be ≥ this to pass (mirrors app-side threshold). + final double clearThreshold; + + Interpreter? _interpreter; + bool _loading = false; + + Future ensureLoaded() async { + if (_interpreter != null || _loading) return; + _loading = true; + try { + _interpreter = await Interpreter.fromAsset(assetPath); + } finally { + _loading = false; + } + } + + Future evaluate(img.Image image) async { + await ensureLoaded(); + final interp = _interpreter; + if (interp == null) { + return const BlurResult(blurScore: 0, clearScore: 1, isBlurry: false); + } + + final canvas = _letterboxWhite(image, inputSize); + final flat = _toNchw(canvas); + // Nested list matches [1, 3, 224, 224] NCHW. + final inputNd = List.generate( + 1, + (_) => List.generate( + 3, + (c) => List.generate( + inputSize, + (y) => List.generate(inputSize, (x) { + final i = c * inputSize * inputSize + y * inputSize + x; + return flat[i]; + }), + ), + ), + ); + final output = List.generate(1, (_) => List.filled(2, 0.0)); + interp.run(inputNd, output); + + final blur = output[0][0]; + final clear = output[0][1]; + final isBlurry = clear < clearThreshold; + return BlurResult(blurScore: blur, clearScore: clear, isBlurry: isBlurry); + } + + Future dispose() async { + _interpreter?.close(); + _interpreter = null; + } + + static img.Image _letterboxWhite(img.Image src, int size) { + final scale = size / (src.width > src.height ? src.width : src.height); + final nw = (src.width * scale).round().clamp(1, size); + final nh = (src.height * scale).round().clamp(1, size); + final resized = img.copyResize( + src, + width: nw, + height: nh, + interpolation: img.Interpolation.linear, + ); + final canvas = img.Image(width: size, height: size); + img.fill(canvas, color: img.ColorRgb8(255, 255, 255)); + final padX = ((size - nw) / 2).floor(); + final padY = ((size - nh) / 2).floor(); + img.compositeImage(canvas, resized, dstX: padX, dstY: padY); + return canvas; + } + + static Float32List _toNchw(img.Image canvas) { + final out = Float32List(1 * 3 * inputSize * inputSize); + const plane = inputSize * inputSize; + for (var y = 0; y < inputSize; y++) { + for (var x = 0; x < inputSize; x++) { + final p = canvas.getPixel(x, y); + final i = y * inputSize + x; + out[i] = p.r / 255.0; + out[plane + i] = p.g / 255.0; + out[plane * 2 + i] = p.b / 255.0; + } + } + return out; + } +} diff --git a/lib/services/coin_contour_refiner.dart b/lib/services/coin_contour_refiner.dart new file mode 100644 index 0000000..d18bd00 --- /dev/null +++ b/lib/services/coin_contour_refiner.dart @@ -0,0 +1,96 @@ +import 'dart:math' as math; +import 'dart:ui'; + +import 'package:image/image.dart' as img; + +class RefinedCircle { + const RefinedCircle({required this.center, required this.radius}); + final Offset center; + final double radius; +} + +/// Refine an AABB into a circular coin contour via radial edge search. +class CoinContourRefiner { + static RefinedCircle? refine(img.Image image, Rect aabb) { + if (aabb.width < 16 || aabb.height < 16) return null; + + final cx = aabb.center.dx; + final cy = aabb.center.dy; + final maxR = math.max(aabb.width, aabb.height) * 0.62; + final minR = math.min(aabb.width, aabb.height) * 0.28; + if (maxR <= minR + 2) { + return RefinedCircle( + center: Offset(cx, cy), + radius: math.min(aabb.width, aabb.height) / 2, + ); + } + + // Sample edge strength along rays; vote for radius with strongest ring. + const rays = 64; + final radiusVotes = []; + for (var i = 0; i < rays; i++) { + final ang = (i / rays) * math.pi * 2; + final dx = math.cos(ang); + final dy = math.sin(ang); + var bestR = (minR + maxR) / 2; + var bestMag = -1.0; + for (var r = minR; r <= maxR; r += 1.5) { + final x1 = (cx + dx * r).round(); + final y1 = (cy + dy * r).round(); + final x0 = (cx + dx * (r - 2)).round(); + final y0 = (cy + dy * (r - 2)).round(); + if (!_in(image, x0, y0) || !_in(image, x1, y1)) continue; + final g0 = _gray(image, x0, y0); + final g1 = _gray(image, x1, y1); + final mag = (g1 - g0).abs(); + if (mag > bestMag) { + bestMag = mag; + bestR = r; + } + } + if (bestMag > 8) radiusVotes.add(bestR); + } + + if (radiusVotes.length < rays * 0.35) { + return RefinedCircle( + center: Offset(cx, cy), + radius: math.min(aabb.width, aabb.height) / 2 * 0.96, + ); + } + + radiusVotes.sort(); + final radius = radiusVotes[radiusVotes.length ~/ 2] * 1.04; + + // Slight center nudge from opposite ray midpoints. + var nx = 0.0; + var ny = 0.0; + var n = 0; + for (var i = 0; i < rays; i += 2) { + final ang = (i / rays) * math.pi * 2; + final r = radiusVotes[math.min(i, radiusVotes.length - 1)]; + nx += cx + math.cos(ang) * (r - radius); + ny += cy + math.sin(ang) * (r - radius); + n++; + } + final center = n == 0 + ? Offset(cx, cy) + : Offset( + ((nx / n) + cx) / 2, + ((ny / n) + cy) / 2, + ); + + final clamped = Offset( + center.dx.clamp(radius, image.width - radius), + center.dy.clamp(radius, image.height - radius), + ); + return RefinedCircle(center: clamped, radius: radius); + } + + static bool _in(img.Image image, int x, int y) => + x >= 0 && y >= 0 && x < image.width && y < image.height; + + static double _gray(img.Image image, int x, int y) { + final p = image.getPixel(x, y); + return 0.299 * p.r + 0.587 * p.g + 0.114 * p.b; + } +} diff --git a/lib/services/coin_cropper.dart b/lib/services/coin_cropper.dart new file mode 100644 index 0000000..0bf60c9 --- /dev/null +++ b/lib/services/coin_cropper.dart @@ -0,0 +1,80 @@ +import 'dart:io'; +import 'dart:math' as math; +import 'dart:typed_data'; +import 'dart:ui'; + +import 'package:image/image.dart' as img; + +import 'coin_detector.dart'; + +class CropResult { + const CropResult({ + required this.bytes, + required this.width, + required this.height, + required this.usedDetection, + }); + + final Uint8List bytes; + final int width; + final int height; + final bool usedDetection; +} + +/// Circular crop of the detected coin (square output with transparent-ish bg). +class CoinCropper { + static Future cropAndCorrect({ + required String imagePath, + CoinBox? box, + double padding = 0.12, + }) async { + final raw = await File(imagePath).readAsBytes(); + var decoded = img.decodeImage(raw); + if (decoded == null) { + throw StateError('Failed to decode image: $imagePath'); + } + decoded = img.bakeOrientation(decoded); + + final usedDetection = box != null; + final center = box?.effectiveCenter ?? + Offset(decoded.width / 2, decoded.height / 2); + var radius = box?.effectiveRadius ?? + math.min(decoded.width, decoded.height) * 0.35; + radius *= (1 + padding); + + final size = (radius * 2).round().clamp(32, 2048); + final out = img.Image(width: size, height: size, numChannels: 4); + img.fill(out, color: img.ColorRgba8(0, 0, 0, 0)); + + final r2 = radius * radius; + for (var y = 0; y < size; y++) { + for (var x = 0; x < size; x++) { + final dx = x + 0.5 - size / 2; + final dy = y + 0.5 - size / 2; + if (dx * dx + dy * dy > r2) continue; + final sx = (center.dx + dx).round(); + final sy = (center.dy + dy).round(); + if (sx < 0 || sy < 0 || sx >= decoded.width || sy >= decoded.height) { + continue; + } + final p = decoded.getPixel(sx, sy); + out.setPixelRgba(x, y, p.r.toInt(), p.g.toInt(), p.b.toInt(), 255); + } + } + + const outSize = 320; + final resized = img.copyResize( + out, + width: outSize, + height: outSize, + interpolation: img.Interpolation.cubic, + ); + final bytes = Uint8List.fromList(img.encodePng(resized)); + return CropResult( + bytes: bytes, + width: resized.width, + height: resized.height, + usedDetection: usedDetection, + ); + } +} diff --git a/lib/services/coin_detector.dart b/lib/services/coin_detector.dart new file mode 100644 index 0000000..17d5b95 --- /dev/null +++ b/lib/services/coin_detector.dart @@ -0,0 +1,251 @@ +import 'dart:math' as math; +import 'dart:typed_data'; +import 'dart:ui'; + +import 'package:image/image.dart' as img; +import 'package:tflite_flutter/tflite_flutter.dart'; + +import 'coin_contour_refiner.dart'; + +/// Detected coin region in image pixel coordinates. +class CoinBox { + const CoinBox({ + required this.rect, + required this.confidence, + this.center, + this.radius, + }); + + /// Axis-aligned outer bounds. + final Rect rect; + final double confidence; + + /// Refined circle (image pixels). When null, use [rect] inscribed circle. + final Offset? center; + final double? radius; + + Offset get effectiveCenter => + center ?? Offset(rect.center.dx, rect.center.dy); + + double get effectiveRadius => + radius ?? (math.min(rect.width, rect.height) / 2); + + CoinBox copyWith({ + Rect? rect, + double? confidence, + Offset? center, + double? radius, + }) { + return CoinBox( + rect: rect ?? this.rect, + confidence: confidence ?? this.confidence, + center: center ?? this.center, + radius: radius ?? this.radius, + ); + } +} + +/// CoinSnap-style YOLOv5 detector (`assets/ml/detect.tflite`). +/// +/// Input: `[1, 320, 320, 3]` float32, pixels / 255, letterbox resize. +/// Output: `[1, 6300, 6]` → `cx, cy, w, h, obj, cls` (already 0–1). +class CoinDetector { + CoinDetector(); + + static const int inputSize = 320; + static const double confThreshold = 0.35; + static const double iouThreshold = 0.45; + static const String assetPath = 'assets/ml/detect.tflite'; + + Interpreter? _interpreter; + bool _loading = false; + + Future ensureLoaded() async { + if (_interpreter != null || _loading) return; + _loading = true; + try { + _interpreter = await Interpreter.fromAsset(assetPath); + } finally { + _loading = false; + } + } + + Future> detectImage(img.Image image) async { + await ensureLoaded(); + final interp = _interpreter; + if (interp == null) return const []; + + final prepared = _letterbox(image, inputSize); + final input = _toInputTensor(prepared.canvas); + // Nested list matches [1, 6300, 6] expected by tflite_flutter. + final output = List.generate( + 1, + (_) => List.generate(6300, (_) => List.filled(6, 0.0)), + ); + final inputNd = List.generate( + 1, + (_) => List.generate( + inputSize, + (y) => List.generate( + inputSize, + (x) { + final i = (y * inputSize + x) * 3; + return [input[i], input[i + 1], input[i + 2]]; + }, + ), + ), + ); + + interp.run(inputNd, output); + + final boxes = []; + final rows = output[0]; + for (final row in rows) { + final score = row[4] * row[5]; + if (score < confThreshold) continue; + + // Normalized cx,cy,w,h on the letterboxed 320 canvas. + final cx = row[0] * inputSize; + final cy = row[1] * inputSize; + final w = row[2] * inputSize; + final h = row[3] * inputSize; + + // Map back from letterbox → original image pixels. + final left = (cx - w / 2 - prepared.padX) / prepared.scale; + final top = (cy - h / 2 - prepared.padY) / prepared.scale; + final right = (cx + w / 2 - prepared.padX) / prepared.scale; + final bottom = (cy + h / 2 - prepared.padY) / prepared.scale; + + final rect = Rect.fromLTRB(left, top, right, bottom).intersect( + Rect.fromLTWH(0, 0, image.width.toDouble(), image.height.toDouble()), + ); + if (rect.width < 8 || rect.height < 8) continue; + + boxes.add(CoinBox(rect: rect, confidence: score)); + } + + return _nms(boxes); + } + + /// Prefer largest reasonably confident near-circular box. + CoinBox? pickBest(List boxes, {Size? imageSize}) { + if (boxes.isEmpty) return null; + CoinBox? best; + var bestScore = -1.0; + for (final b in boxes) { + final area = b.rect.width * b.rect.height; + final imgArea = imageSize == null + ? area + : (imageSize.width * imageSize.height).clamp(1.0, double.infinity); + final fill = area / imgArea; + if (fill < 0.02 || fill > 0.95) continue; + + final aspect = b.rect.width / math.max(b.rect.height, 1.0); + final roundScore = 1.0 - (aspect - 1.0).abs().clamp(0.0, 1.0); + final score = b.confidence * 0.45 + fill * 0.25 + roundScore * 0.3; + if (score > bestScore) { + bestScore = score; + best = b; + } + } + return best ?? boxes.first; + } + + /// Refine AABB into a circle using local edge intensity. + CoinBox refineContour(img.Image image, CoinBox box) { + final refined = CoinContourRefiner.refine(image, box.rect); + if (refined == null) { + final r = math.min(box.rect.width, box.rect.height) / 2; + return box.copyWith(center: box.rect.center, radius: r); + } + final side = refined.radius * 2; + final rect = Rect.fromCenter( + center: refined.center, + width: side, + height: side, + ).intersect( + Rect.fromLTWH(0, 0, image.width.toDouble(), image.height.toDouble()), + ); + return box.copyWith( + rect: rect, + center: refined.center, + radius: refined.radius, + ); + } + + Future dispose() async { + _interpreter?.close(); + _interpreter = null; + } + + static Float32List _toInputTensor(img.Image canvas) { + final out = Float32List(1 * inputSize * inputSize * 3); + var i = 0; + for (var y = 0; y < inputSize; y++) { + for (var x = 0; x < inputSize; x++) { + final p = canvas.getPixel(x, y); + out[i++] = p.r / 255.0; + out[i++] = p.g / 255.0; + out[i++] = p.b / 255.0; + } + } + return out; + } + + static _Letterbox _letterbox(img.Image src, int size) { + final scale = math.min(size / src.width, size / src.height); + final nw = math.max(1, (src.width * scale).round()); + final nh = math.max(1, (src.height * scale).round()); + final resized = img.copyResize( + src, + width: nw, + height: nh, + interpolation: img.Interpolation.linear, + ); + final canvas = img.Image(width: size, height: size); + img.fill(canvas, color: img.ColorRgb8(114, 114, 114)); + final padX = ((size - nw) / 2).floor(); + final padY = ((size - nh) / 2).floor(); + img.compositeImage(canvas, resized, dstX: padX, dstY: padY); + return _Letterbox(canvas: canvas, scale: scale, padX: padX.toDouble(), padY: padY.toDouble()); + } + + static List _nms(List boxes) { + final sorted = [...boxes]..sort((a, b) => b.confidence.compareTo(a.confidence)); + final kept = []; + final suppressed = List.filled(sorted.length, false); + for (var i = 0; i < sorted.length; i++) { + if (suppressed[i]) continue; + kept.add(sorted[i]); + for (var j = i + 1; j < sorted.length; j++) { + if (suppressed[j]) continue; + if (_iou(sorted[i].rect, sorted[j].rect) > iouThreshold) { + suppressed[j] = true; + } + } + } + return kept; + } + + static double _iou(Rect a, Rect b) { + final inter = a.intersect(b); + if (inter.isEmpty) return 0; + final interArea = inter.width * inter.height; + final union = a.width * a.height + b.width * b.height - interArea; + return union <= 0 ? 0 : interArea / union; + } +} + +class _Letterbox { + const _Letterbox({ + required this.canvas, + required this.scale, + required this.padX, + required this.padY, + }); + + final img.Image canvas; + final double scale; + final double padX; + final double padY; +} diff --git a/lib/services/coin_scan_gate.dart b/lib/services/coin_scan_gate.dart new file mode 100644 index 0000000..fa5e6e0 --- /dev/null +++ b/lib/services/coin_scan_gate.dart @@ -0,0 +1,122 @@ +import 'dart:io'; +import 'dart:ui' as ui; + +import 'package:flutter/material.dart'; +import 'package:image/image.dart' as img; +import 'package:path_provider/path_provider.dart'; + +import '../widgets/guide_frame.dart'; +import 'blur_detector.dart'; +import 'coin_detector.dart'; + +enum CoinGateFail { none, blurry, noCoin } + +class CoinGateResult { + const CoinGateResult({ + required this.ok, + this.fail = CoinGateFail.none, + this.blur, + this.box, + }); + + final bool ok; + final CoinGateFail fail; + final BlurResult? blur; + final CoinBox? box; +} + +/// Post-capture gate: blur.tflite → detect.tflite (CoinSnap order). +class CoinScanGate { + static Future evaluate({ + required String imagePath, + Size? captureViewport, + CoinDetector? detector, + BlurDetector? blurDetector, + }) async { + final ownedDet = detector == null; + final ownedBlur = blurDetector == null; + final det = detector ?? CoinDetector(); + final blur = blurDetector ?? BlurDetector(); + + try { + final raster = await _guideCrop(imagePath, captureViewport); + if (raster == null) { + return const CoinGateResult(ok: false, fail: CoinGateFail.noCoin); + } + + final blurResult = await blur.evaluate(raster); + if (blurResult.isBlurry) { + return CoinGateResult( + ok: false, + fail: CoinGateFail.blurry, + blur: blurResult, + ); + } + + final boxes = await det.detectImage(raster); + final best = det.pickBest( + boxes, + imageSize: Size(raster.width.toDouble(), raster.height.toDouble()), + ); + if (best == null) { + return CoinGateResult( + ok: false, + fail: CoinGateFail.noCoin, + blur: blurResult, + ); + } + return CoinGateResult(ok: true, blur: blurResult, box: best); + } finally { + if (ownedDet) await det.dispose(); + if (ownedBlur) await blur.dispose(); + } + } + + static Future _guideCrop( + String imagePath, + Size? captureViewport, + ) async { + final raw = await File(imagePath).readAsBytes(); + final codec = await ui.instantiateImageCodec(raw); + final frame = await codec.getNextFrame(); + final fullImage = frame.image; + final rgba = await fullImage.toByteData(format: ui.ImageByteFormat.rawRgba); + if (rgba == null) { + fullImage.dispose(); + return null; + } + + final fullRaster = img.Image.fromBytes( + width: fullImage.width, + height: fullImage.height, + bytes: rgba.buffer, + bytesOffset: rgba.offsetInBytes, + numChannels: 4, + order: img.ChannelOrder.rgba, + ); + fullImage.dispose(); + + final imageSize = Size( + fullRaster.width.toDouble(), + fullRaster.height.toDouble(), + ); + final guide = captureViewport != null + ? GuideFrame.inCoverImage(viewport: captureViewport, imageSize: imageSize) + : GuideFrame.inImage(imageSize); + + final gx = guide.left.round().clamp(0, fullRaster.width - 1); + final gy = guide.top.round().clamp(0, fullRaster.height - 1); + final gw = guide.width.round().clamp(1, fullRaster.width - gx); + final gh = guide.height.round().clamp(1, fullRaster.height - gy); + return img.copyCrop(fullRaster, x: gx, y: gy, width: gw, height: gh); + } + + /// Persist guide crop for preview reuse. + static Future writeGuideJpeg(img.Image raster) async { + final dir = await getTemporaryDirectory(); + final path = + '${dir.path}/coin_guide_${DateTime.now().millisecondsSinceEpoch}.jpg'; + await File(path).writeAsBytes(img.encodeJpg(raster, quality: 95), flush: true); + return path; + } +} diff --git a/lib/widgets/guide_frame.dart b/lib/widgets/guide_frame.dart new file mode 100644 index 0000000..da0bdd4 --- /dev/null +++ b/lib/widgets/guide_frame.dart @@ -0,0 +1,44 @@ +import 'dart:math' as math; +import 'dart:ui'; + +/// Circular capture guide (coin frame). +class GuideFrame { + static const double maxDiameterFraction = 0.72; + static const double centerYFraction = 0.46; + + static Rect inViewport(Size size) { + final d = math.min(size.width, size.height) * maxDiameterFraction; + return Rect.fromCenter( + center: Offset(size.width / 2, size.height * centerYFraction), + width: d, + height: d, + ); + } + + static Rect inCoverImage({ + required Size viewport, + required Size imageSize, + }) { + final guide = inViewport(viewport); + final scale = math.max( + viewport.width / imageSize.width, + viewport.height / imageSize.height, + ); + final dispW = imageSize.width * scale; + final dispH = imageSize.height * scale; + final ox = (viewport.width - dispW) / 2; + final oy = (viewport.height - dispH) / 2; + + final mapped = Rect.fromLTRB( + (guide.left - ox) / scale, + (guide.top - oy) / scale, + (guide.right - ox) / scale, + (guide.bottom - oy) / scale, + ); + return mapped.intersect( + Rect.fromLTWH(0, 0, imageSize.width, imageSize.height), + ); + } + + static Rect inImage(Size imageSize) => inViewport(imageSize); +} diff --git a/lib/widgets/guide_overlay.dart b/lib/widgets/guide_overlay.dart new file mode 100644 index 0000000..31feb08 --- /dev/null +++ b/lib/widgets/guide_overlay.dart @@ -0,0 +1,50 @@ +import 'package:flutter/material.dart'; + +import 'guide_frame.dart'; + +/// Circular shooting guide overlay. +class GuideOverlay extends StatelessWidget { + const GuideOverlay({super.key, required this.size}); + + final Size size; + + @override + Widget build(BuildContext context) { + return CustomPaint( + size: size, + painter: _GuidePainter(), + ); + } +} + +class _GuidePainter extends CustomPainter { + @override + void paint(Canvas canvas, Size size) { + final rect = GuideFrame.inViewport(size); + final dim = Paint()..color = Colors.black.withOpacity(0.45); + final path = Path() + ..addRect(Offset.zero & size) + ..addOval(rect) + ..fillType = PathFillType.evenOdd; + canvas.drawPath(path, dim); + + final border = Paint() + ..style = PaintingStyle.stroke + ..strokeWidth = 2 + ..color = Colors.white70; + canvas.drawOval(rect, border); + + // Crosshair ticks + final tick = Paint() + ..style = PaintingStyle.stroke + ..strokeWidth = 2 + ..color = const Color(0xFFEAB308); + final c = rect.center; + const len = 14.0; + canvas.drawLine(Offset(c.dx - len, c.dy), Offset(c.dx + len, c.dy), tick); + canvas.drawLine(Offset(c.dx, c.dy - len), Offset(c.dx, c.dy + len), tick); + } + + @override + bool shouldRepaint(covariant CustomPainter oldDelegate) => false; +} diff --git a/pubspec.lock b/pubspec.lock new file mode 100644 index 0000000..07011e4 --- /dev/null +++ b/pubspec.lock @@ -0,0 +1,554 @@ +# 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" + async: + dependency: transitive + description: + name: async + sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c" + url: "https://pub.dev" + source: hosted + version: "2.11.0" + boolean_selector: + dependency: transitive + description: + name: boolean_selector + sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66" + url: "https://pub.dev" + source: hosted + version: "2.1.1" + camera: + dependency: "direct main" + description: + name: camera + sha256: dfa8fc5a1adaeb95e7a54d86a5bd56f4bb0e035515354c8ac6d262e35cec2ec8 + url: "https://pub.dev" + source: hosted + version: "0.10.6" + camera_android: + dependency: transitive + description: + name: camera_android + sha256: "32f04948a284b71d938fe275616faf4957d07f9b3aab8021bfc8c418301a289e" + url: "https://pub.dev" + source: hosted + version: "0.10.9+11" + camera_avfoundation: + dependency: transitive + description: + name: camera_avfoundation + sha256: ca36181194f429eef3b09de3c96280f2400693f9735025f90d1f4a27465fdd72 + url: "https://pub.dev" + source: hosted + version: "0.9.19" + camera_platform_interface: + dependency: transitive + description: + name: camera_platform_interface + sha256: "2f757024a48696ff4814a789b0bd90f5660c0fb25f393ab4564fb483327930e2" + url: "https://pub.dev" + source: hosted + version: "2.10.0" + camera_web: + dependency: transitive + description: + name: camera_web + sha256: "595f28c89d1fb62d77c73c633193755b781c6d2e0ebcd8dc25b763b514e6ba8f" + url: "https://pub.dev" + source: hosted + version: "0.3.5" + characters: + dependency: transitive + description: + name: characters + sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605" + url: "https://pub.dev" + source: hosted + version: "1.3.0" + clock: + dependency: transitive + description: + name: clock + sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf + url: "https://pub.dev" + source: hosted + version: "1.1.1" + collection: + dependency: transitive + description: + name: collection + sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a + url: "https://pub.dev" + source: hosted + version: "1.18.0" + cross_file: + dependency: transitive + description: + name: cross_file + sha256: "7caf6a750a0c04effbb52a676dce9a4a592e10ad35c34d6d2d0e4811160d5670" + url: "https://pub.dev" + source: hosted + version: "0.3.4+2" + cupertino_icons: + dependency: "direct main" + description: + name: cupertino_icons + sha256: ba631d1c7f7bef6b729a622b7b752645a2d076dba9976925b8f25725a30e1ee6 + url: "https://pub.dev" + source: hosted + version: "1.0.8" + fake_async: + dependency: transitive + description: + name: fake_async + sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78" + url: "https://pub.dev" + source: hosted + version: "1.3.1" + ffi: + dependency: transitive + description: + name: ffi + sha256: "16ed7b077ef01ad6170a3d0c57caa4a112a38d7a2ed5602e0aca9ca6f3d98da6" + url: "https://pub.dev" + source: hosted + version: "2.1.3" + file_selector_linux: + dependency: transitive + description: + name: file_selector_linux + sha256: "54cbbd957e1156d29548c7d9b9ec0c0ebb6de0a90452198683a7d23aed617a33" + url: "https://pub.dev" + source: hosted + version: "0.9.3+2" + file_selector_macos: + dependency: transitive + description: + name: file_selector_macos + sha256: "271ab9986df0c135d45c3cdb6bd0faa5db6f4976d3e4b437cf7d0f258d941bfc" + url: "https://pub.dev" + source: hosted + version: "0.9.4+2" + file_selector_platform_interface: + dependency: transitive + description: + name: file_selector_platform_interface + sha256: a3994c26f10378a039faa11de174d7b78eb8f79e4dd0af2a451410c1a5c3f66b + url: "https://pub.dev" + source: hosted + version: "2.6.2" + file_selector_windows: + dependency: transitive + description: + name: file_selector_windows + sha256: "320fcfb6f33caa90f0b58380489fc5ac05d99ee94b61aa96ec2bff0ba81d3c2b" + url: "https://pub.dev" + source: hosted + version: "0.9.3+4" + flutter: + dependency: "direct main" + description: flutter + source: sdk + version: "0.0.0" + flutter_lints: + dependency: "direct dev" + description: + name: flutter_lints + sha256: "9e8c3858111da373efc5aa341de011d9bd23e2c5c5e0c62bccf32438e192d7b1" + url: "https://pub.dev" + source: hosted + version: "3.0.2" + flutter_plugin_android_lifecycle: + dependency: transitive + description: + name: flutter_plugin_android_lifecycle + sha256: "9ee02950848f61c4129af3d6ec84a1cfc0e47931abc746b03e7a3bc3e8ff6eda" + url: "https://pub.dev" + source: hosted + version: "2.0.22" + flutter_test: + dependency: "direct dev" + description: flutter + source: sdk + version: "0.0.0" + flutter_web_plugins: + dependency: transitive + description: flutter + source: sdk + version: "0.0.0" + http: + dependency: transitive + description: + name: http + sha256: "87721a4a50b19c7f1d49001e51409bddc46303966ce89a65af4f4e6004896412" + url: "https://pub.dev" + source: hosted + version: "1.6.0" + http_parser: + dependency: transitive + description: + name: http_parser + sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b" + url: "https://pub.dev" + source: hosted + version: "4.0.2" + image: + dependency: "direct main" + description: + name: image + sha256: f9881ff4998044947ec38d098bc7c8316ae1186fa786eddffdb867b9bc94dfce + url: "https://pub.dev" + source: hosted + version: "4.8.0" + image_picker: + dependency: "direct main" + description: + name: image_picker + sha256: "021834d9c0c3de46bf0fe40341fa07168407f694d9b2bb18d532dc1261867f7a" + url: "https://pub.dev" + source: hosted + version: "1.1.2" + image_picker_android: + dependency: transitive + description: + name: image_picker_android + sha256: "8c5abf0dcc24fe6e8e0b4a5c0b51a5cf30cefdf6407a3213dae61edc75a70f56" + url: "https://pub.dev" + source: hosted + version: "0.8.12+12" + image_picker_for_web: + dependency: transitive + description: + name: image_picker_for_web + sha256: "717eb042ab08c40767684327be06a5d8dbb341fe791d514e4b92c7bbe1b7bb83" + url: "https://pub.dev" + source: hosted + version: "3.0.6" + image_picker_ios: + dependency: transitive + description: + name: image_picker_ios + sha256: "05da758e67bc7839e886b3959848aa6b44ff123ab4b28f67891008afe8ef9100" + url: "https://pub.dev" + source: hosted + version: "0.8.12+2" + image_picker_linux: + dependency: transitive + description: + name: image_picker_linux + sha256: "34a65f6740df08bbbeb0a1abd8e6d32107941fd4868f67a507b25601651022c9" + url: "https://pub.dev" + source: hosted + version: "0.2.1+2" + image_picker_macos: + dependency: transitive + description: + name: image_picker_macos + sha256: "1b90ebbd9dcf98fb6c1d01427e49a55bd96b5d67b8c67cf955d60a5de74207c1" + url: "https://pub.dev" + source: hosted + version: "0.2.1+2" + image_picker_platform_interface: + dependency: transitive + description: + name: image_picker_platform_interface + sha256: "886d57f0be73c4b140004e78b9f28a8914a09e50c2d816bdd0520051a71236a0" + url: "https://pub.dev" + source: hosted + version: "2.10.1" + image_picker_windows: + dependency: transitive + description: + name: image_picker_windows + sha256: "6ad07afc4eb1bc25f3a01084d28520496c4a3bb0cb13685435838167c9dcedeb" + url: "https://pub.dev" + source: hosted + version: "0.2.1+1" + leak_tracker: + dependency: transitive + description: + name: leak_tracker + sha256: "7f0df31977cb2c0b88585095d168e689669a2cc9b97c309665e3386f3e9d341a" + url: "https://pub.dev" + source: hosted + version: "10.0.4" + leak_tracker_flutter_testing: + dependency: transitive + description: + name: leak_tracker_flutter_testing + sha256: "06e98f569d004c1315b991ded39924b21af84cf14cc94791b8aea337d25b57f8" + url: "https://pub.dev" + source: hosted + version: "3.0.3" + leak_tracker_testing: + dependency: transitive + description: + name: leak_tracker_testing + sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3" + url: "https://pub.dev" + source: hosted + version: "3.0.1" + lints: + dependency: transitive + description: + name: lints + sha256: cbf8d4b858bb0134ef3ef87841abdf8d63bfc255c266b7bf6b39daa1085c4290 + url: "https://pub.dev" + source: hosted + version: "3.0.0" + matcher: + dependency: transitive + description: + name: matcher + sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb + url: "https://pub.dev" + source: hosted + version: "0.12.16+1" + material_color_utilities: + dependency: transitive + description: + name: material_color_utilities + sha256: "0e0a020085b65b6083975e499759762399b4475f766c21668c4ecca34ea74e5a" + url: "https://pub.dev" + source: hosted + version: "0.8.0" + meta: + dependency: transitive + description: + name: meta + sha256: "7687075e408b093f36e6bbf6c91878cc0d4cd10f409506f7bc996f68220b9136" + url: "https://pub.dev" + source: hosted + version: "1.12.0" + mime: + dependency: transitive + description: + name: mime + sha256: "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6" + url: "https://pub.dev" + source: hosted + version: "2.0.0" + path: + dependency: "direct main" + description: + name: path + sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af" + url: "https://pub.dev" + source: hosted + version: "1.9.0" + path_provider: + dependency: "direct main" + description: + name: path_provider + sha256: "50c5dd5b6e1aaf6fb3a78b33f6aa3afca52bf903a8a5298f53101fdaee55bbcd" + url: "https://pub.dev" + source: hosted + version: "2.1.5" + path_provider_android: + dependency: transitive + description: + name: path_provider_android + sha256: "6f01f8e37ec30b07bc424b4deabac37cacb1bc7e2e515ad74486039918a37eb7" + url: "https://pub.dev" + source: hosted + version: "2.2.10" + path_provider_foundation: + dependency: transitive + description: + name: path_provider_foundation + sha256: "4843174df4d288f5e29185bd6e72a6fbdf5a4a4602717eed565497429f179942" + url: "https://pub.dev" + source: hosted + version: "2.4.1" + path_provider_linux: + dependency: transitive + description: + name: path_provider_linux + sha256: f7a1fe3a634fe7734c8d3f2766ad746ae2a2884abe22e241a8b301bf5cac3279 + url: "https://pub.dev" + source: hosted + version: "2.2.1" + path_provider_platform_interface: + dependency: transitive + description: + name: path_provider_platform_interface + sha256: "88f5779f72ba699763fa3a3b06aa4bf6de76c8e5de842cf6f29e2e06476c2334" + url: "https://pub.dev" + source: hosted + version: "2.1.2" + 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: c15605cd28af66339f8eb6fbe0e541bfe2d1b72d5825efc6598f3e0a31b9ad27 + url: "https://pub.dev" + source: hosted + version: "6.0.2" + 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" + quiver: + dependency: transitive + description: + name: quiver + sha256: ea0b925899e64ecdfbf9c7becb60d5b50e706ade44a85b2363be2a22d88117d2 + url: "https://pub.dev" + source: hosted + version: "3.2.2" + sky_engine: + dependency: transitive + description: flutter + source: sdk + version: "0.0.99" + source_span: + dependency: transitive + description: + name: source_span + sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c" + url: "https://pub.dev" + source: hosted + version: "1.10.0" + stack_trace: + dependency: transitive + description: + name: stack_trace + sha256: "73713990125a6d93122541237550ee3352a2d84baad52d375a4cad2eb9b7ce0b" + url: "https://pub.dev" + source: hosted + version: "1.11.1" + stream_channel: + dependency: transitive + description: + name: stream_channel + sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7 + url: "https://pub.dev" + source: hosted + version: "2.1.2" + 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: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde" + url: "https://pub.dev" + source: hosted + version: "1.2.0" + term_glyph: + dependency: transitive + description: + name: term_glyph + sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84 + url: "https://pub.dev" + source: hosted + version: "1.2.1" + test_api: + dependency: transitive + description: + name: test_api + sha256: "9955ae474176f7ac8ee4e989dadfb411a58c30415bcfb648fa04b2b8a03afa7f" + url: "https://pub.dev" + source: hosted + version: "0.7.0" + tflite_flutter: + dependency: "direct main" + description: + name: tflite_flutter + sha256: "48e6fde2ad97162bb66a16a142f4c4698add9e8cd397ce9d1cc7451b55537ac1" + url: "https://pub.dev" + source: hosted + version: "0.11.0" + typed_data: + dependency: transitive + description: + name: typed_data + sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c + url: "https://pub.dev" + source: hosted + version: "1.3.2" + vector_math: + dependency: transitive + description: + name: vector_math + sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803" + url: "https://pub.dev" + source: hosted + version: "2.1.4" + vm_service: + dependency: transitive + description: + name: vm_service + sha256: "3923c89304b715fb1eb6423f017651664a03bf5f4b29983627c4da791f74a4ec" + url: "https://pub.dev" + source: hosted + version: "14.2.1" + 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: b015a8ad1c488f66851d762d3090a21c600e479dc75e68328c52774040cf9226 + url: "https://pub.dev" + source: hosted + version: "6.5.0" +sdks: + dart: ">=3.4.0 <4.0.0" + flutter: ">=3.22.0" diff --git a/pubspec.yaml b/pubspec.yaml new file mode 100644 index 0000000..3e9d017 --- /dev/null +++ b/pubspec.yaml @@ -0,0 +1,29 @@ +name: coin_dex_demo +description: Coin scan demo — capture, blur check, detect contour, crop. +publish_to: 'none' +version: 1.0.0+1 + +environment: + sdk: '>=3.4.0 <4.0.0' + +dependencies: + flutter: + sdk: flutter + cupertino_icons: ^1.0.6 + camera: 0.10.6 + tflite_flutter: ^0.11.0 + image: ^4.3.0 + image_picker: ^1.1.2 + path_provider: ^2.1.4 + path: ^1.9.0 + +dev_dependencies: + flutter_test: + sdk: flutter + flutter_lints: ^3.0.0 + +flutter: + uses-material-design: true + assets: + - assets/ml/detect.tflite + - assets/ml/blur.tflite diff --git a/test/widget_test.dart b/test/widget_test.dart new file mode 100644 index 0000000..9a19386 --- /dev/null +++ b/test/widget_test.dart @@ -0,0 +1,10 @@ +import 'package:flutter_test/flutter_test.dart'; + +import 'package:coin_dex_demo/main.dart'; + +void main() { + testWidgets('app builds', (tester) async { + await tester.pumpWidget(const CoinScanDemoApp()); + expect(find.text('硬币扫描'), findsOneWidget); + }); +}