├── .github ├── ISSUE_TEMPLATE │ ├── bug_report.md.dart │ └── feature_request.md.dart └── pull_request_template.md ├── .gitignore ├── .metadata ├── CHANGELOG.md ├── LICENSE ├── README.md ├── analysis_options.yaml ├── android ├── .gitignore ├── build.gradle ├── settings.gradle └── src │ ├── main │ ├── AndroidManifest.xml │ └── kotlin │ │ └── com │ │ └── example │ │ └── fast_image_compress │ │ ├── Constants.kt │ │ └── FastImageCompressPlugin.kt │ └── test │ └── kotlin │ └── com │ └── example │ └── fast_image_compress │ └── FastImageCompressPluginTest.kt ├── example ├── .gitignore ├── README.md ├── analysis_options.yaml ├── android │ ├── .gitignore │ ├── app │ │ ├── build.gradle │ │ └── src │ │ │ ├── debug │ │ │ └── AndroidManifest.xml │ │ │ ├── main │ │ │ ├── AndroidManifest.xml │ │ │ ├── kotlin │ │ │ │ └── com │ │ │ │ │ └── example │ │ │ │ │ └── fast_image_compress_example │ │ │ │ │ └── MainActivity.kt │ │ │ └── res │ │ │ │ ├── drawable-v21 │ │ │ │ └── launch_background.xml │ │ │ │ ├── drawable │ │ │ │ └── launch_background.xml │ │ │ │ ├── mipmap-hdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-mdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-xhdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-xxhdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── mipmap-xxxhdpi │ │ │ │ └── ic_launcher.png │ │ │ │ ├── values-night │ │ │ │ └── styles.xml │ │ │ │ └── values │ │ │ │ └── styles.xml │ │ │ └── profile │ │ │ └── AndroidManifest.xml │ ├── build.gradle │ ├── gradle.properties │ ├── gradle │ │ └── wrapper │ │ │ └── gradle-wrapper.properties │ └── settings.gradle ├── integration_test │ └── plugin_integration_test.dart ├── ios │ ├── .gitignore │ ├── Flutter │ │ ├── AppFrameworkInfo.plist │ │ ├── Debug.xcconfig │ │ └── Release.xcconfig │ ├── Podfile │ ├── Runner.xcodeproj │ │ ├── project.pbxproj │ │ ├── project.xcworkspace │ │ │ ├── contents.xcworkspacedata │ │ │ └── xcshareddata │ │ │ │ └── IDEWorkspaceChecks.plist │ │ └── xcshareddata │ │ │ └── xcschemes │ │ │ └── Runner.xcscheme │ ├── Runner.xcworkspace │ │ ├── contents.xcworkspacedata │ │ └── xcshareddata │ │ │ └── IDEWorkspaceChecks.plist │ ├── Runner │ │ ├── AppDelegate.swift │ │ ├── Assets.xcassets │ │ │ ├── AppIcon.appiconset │ │ │ │ ├── Contents.json │ │ │ │ ├── Icon-App-1024x1024@1x.png │ │ │ │ ├── Icon-App-20x20@1x.png │ │ │ │ ├── Icon-App-20x20@2x.png │ │ │ │ ├── Icon-App-20x20@3x.png │ │ │ │ ├── Icon-App-29x29@1x.png │ │ │ │ ├── Icon-App-29x29@2x.png │ │ │ │ ├── Icon-App-29x29@3x.png │ │ │ │ ├── Icon-App-40x40@1x.png │ │ │ │ ├── Icon-App-40x40@2x.png │ │ │ │ ├── Icon-App-40x40@3x.png │ │ │ │ ├── Icon-App-60x60@2x.png │ │ │ │ ├── Icon-App-60x60@3x.png │ │ │ │ ├── Icon-App-76x76@1x.png │ │ │ │ ├── Icon-App-76x76@2x.png │ │ │ │ └── Icon-App-83.5x83.5@2x.png │ │ │ └── LaunchImage.imageset │ │ │ │ ├── Contents.json │ │ │ │ ├── LaunchImage.png │ │ │ │ ├── LaunchImage@2x.png │ │ │ │ ├── LaunchImage@3x.png │ │ │ │ └── README.md │ │ ├── Base.lproj │ │ │ ├── LaunchScreen.storyboard │ │ │ └── Main.storyboard │ │ ├── Info.plist │ │ └── Runner-Bridging-Header.h │ └── RunnerTests │ │ └── RunnerTests.swift ├── lib │ └── main.dart ├── pubspec.lock ├── pubspec.yaml └── test │ └── widget_test.dart ├── ios ├── .gitignore ├── Classes │ └── FastImageCompressPlugin.swift └── fast_image_compress.podspec ├── lib ├── fast_image_compress.dart ├── src │ ├── fast_image_compress.dart │ ├── fast_image_compress │ │ ├── fast_image_compress_method_channel.dart │ │ └── fast_image_compress_platform_interface.dart │ └── image_compression_service.dart └── values │ └── constants.dart ├── preview ├── android_comparison_graph.png ├── banner.png └── iOS_comparison_graph.png └── pubspec.yaml /.github/ISSUE_TEMPLATE/bug_report.md.dart: -------------------------------------------------------------------------------- 1 | --- 2 | name: Bug report 3 | about: Create a report to help us improve 4 | title: '' 5 | labels: '' 6 | assignees: '' 7 | 8 | --- 9 | 10 | **Describe the bug** 11 | A clear and concise description of what the bug is. 12 | 13 | **To Reproduce** 14 | Steps to reproduce the behavior: 15 | 1. Go to '...' 16 | 2. Click on '....' 17 | 3. Scroll down to '....' 18 | 4. See error 19 | 20 | **Expected behavior** 21 | A clear and concise description of what you expected to happen. 22 | 23 | **Screenshots** 24 | If applicable, add screenshots to help explain your problem. 25 | 26 | **Desktop (please complete the following information):** 27 | - OS: [e.g. iOS] 28 | - Browser [e.g. chrome, safari] 29 | - Version [e.g. 22] 30 | 31 | **Smartphone (please complete the following information):** 32 | - Device: [e.g. iPhone6] 33 | - OS: [e.g. iOS8.1] 34 | - Browser [e.g. stock browser, safari] 35 | - Version [e.g. 22] 36 | 37 | **Additional context** 38 | Add any other context about the problem here. 39 | -------------------------------------------------------------------------------- /.github/ISSUE_TEMPLATE/feature_request.md.dart: -------------------------------------------------------------------------------- 1 | --- 2 | name: Feature request 3 | about: Suggest an idea for this project 4 | title: '' 5 | labels: '' 6 | assignees: '' 7 | 8 | --- 9 | 10 | **Is your feature request related to a problem? Please describe.** 11 | A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] 12 | 13 | **Describe the solution you'd like** 14 | A clear and concise description of what you want to happen. 15 | 16 | **Describe alternatives you've considered** 17 | A clear and concise description of any alternative solutions or features you've considered. 18 | 19 | **Additional context** 20 | Add any other context or screenshots about the feature request here. 21 | -------------------------------------------------------------------------------- /.github/pull_request_template.md: -------------------------------------------------------------------------------- 1 | # Description 2 | 8 | 9 | 10 | ## Checklist 11 | 15 | 16 | - [ ] The title of my PR starts with a [Conventional Commit] prefix (`fix:`, `feat:`, `docs:` etc). 17 | - [ ] I have followed the [Contributor Guide] when preparing my PR. 18 | - [ ] I have updated/added tests for ALL new/updated/fixed functionality. 19 | - [ ] I have updated/added relevant documentation in `docs` and added dartdoc comments with `///`. 20 | - [ ] I have updated/added relevant examples in `examples` or `docs`. 21 | 22 | 23 | ## Breaking Change? 24 | 36 | 37 | - [ ] Yes, this PR is a breaking change. 38 | - [ ] No, this PR is not a breaking change. 39 | 40 | 41 | ## Related Issues 42 | 46 | 47 | 48 | [Conventional Commit]: https://conventionalcommits.org 49 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.log 4 | *.pyc 5 | *.swp 6 | .DS_Store 7 | .atom/ 8 | .buildlog/ 9 | .history 10 | .svn/ 11 | migrate_working_dir/ 12 | 13 | # IntelliJ related 14 | *.iml 15 | *.ipr 16 | *.iws 17 | .idea/ 18 | 19 | # The .vscode folder contains launch configuration and tasks you configure in 20 | # VS Code which you may wish to be included in version control, so this line 21 | # is commented out by default. 22 | #.vscode/ 23 | 24 | # Flutter/Dart/Pub related 25 | # Libraries should not include pubspec.lock, per https://dart.dev/guides/libraries/private-files#pubspeclock. 26 | /pubspec.lock 27 | **/doc/api/ 28 | .dart_tool/ 29 | build/ 30 | -------------------------------------------------------------------------------- /.metadata: -------------------------------------------------------------------------------- 1 | # This file tracks properties of this Flutter project. 2 | # Used by Flutter tool to assess capabilities and perform upgrades etc. 3 | # 4 | # This file should be version controlled and should not be manually edited. 5 | 6 | version: 7 | revision: "2663184aa79047d0a33a14a3b607954f8fdd8730" 8 | channel: "stable" 9 | 10 | project_type: plugin 11 | 12 | # Tracks metadata for the flutter migrate command 13 | migration: 14 | platforms: 15 | - platform: root 16 | create_revision: 2663184aa79047d0a33a14a3b607954f8fdd8730 17 | base_revision: 2663184aa79047d0a33a14a3b607954f8fdd8730 18 | - platform: android 19 | create_revision: 2663184aa79047d0a33a14a3b607954f8fdd8730 20 | base_revision: 2663184aa79047d0a33a14a3b607954f8fdd8730 21 | - platform: ios 22 | create_revision: 2663184aa79047d0a33a14a3b607954f8fdd8730 23 | base_revision: 2663184aa79047d0a33a14a3b607954f8fdd8730 24 | 25 | # User provided section 26 | 27 | # List of Local paths (relative to this file) that should be 28 | # ignored by the migrate tool. 29 | # 30 | # Files that are not part of the templates will be ignored by default. 31 | unmanaged_files: 32 | - 'lib/main.dart' 33 | - 'ios/Runner.xcodeproj/project.pbxproj' 34 | -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | ## [0.0.3] 2 | 3 | * Updated readme 4 | 5 | ## [0.0.2] 6 | 7 | * Updated readme 8 | 9 | ## [0.0.1] - Initial release 10 | 11 | * First release 12 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2021 Simform Solutions 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ![Fast Image Compress - Simform LLC.](https://raw.githubusercontent.com/SimformSolutionsPvtLtd/fast_image_compress/master/preview/banner.png) 2 | 3 | 4 | # fast_image_compress 5 | 6 | [![pub package](https://img.shields.io/pub/v/fast_image_compress.svg)](https://pub.dartlang.org/packages/fast_image_compress) 7 | [![GitHub license](https://img.shields.io/github/license/SimformSolutionsPvtLtd/fast_image_compress?style=flat-square)](https://github.com/SimformSolutionsPvtLtd/fast_image_compress/blob/master/LICENSE) 8 | 9 | A Flutter plugin that allows you to compress images easily and quickly. 10 | 11 | ## Features 12 | 13 | Fast Image Compress can do much more (and we are just getting started) 14 | 15 | - 📱 **Supported platform**. iOS, Android 16 | - 🧪 **Batch processing**. Support batch processing using batchSize 17 | - 🖼️ **Supported image types** jpeg, png and heic 18 | - ⏱ **Parallelism**. Support parallel image compression 19 | 20 | ## Why fast_image_compress 21 | 22 | The following bar graph demonstrates the efficiency of our plugin compared to two other existing packages. 23 | The comparison was conducted by compressing one image at a time for various image sizes, measuring the time taken in milliseconds (Y-axis) against the image size in MB (X-axis). 24 | 25 | Below are the comparison graphs: 26 | 27 | Android | iOS 28 | :-------------------------:|:-------------------------: 29 | | 30 | 31 | This visual representation highlights the better performance of our plugin in terms of compression speed and efficiency across different image sizes. 32 | 33 | ## Installing 34 | 35 | 1. Add dependency to `pubspec.yaml` 36 | 37 | ```dart 38 | dependencies: 39 | fast_image_compress: 40 | ``` 41 | or run this command: 42 | 43 | ```bash 44 | flutter pub add fast_image_compress 45 | ``` 46 | 47 | 2. Import the package 48 | ```dart 49 | import 'package:fast_image_compress/fast_image_compress.dart'; 50 | ``` 51 | 52 | Use as: 53 | 54 | [See full example](https://github.com/SimformSolutionsPvtLtd/fast_image_compress/blob/master/example/lib/main.dart) 55 | 56 | There are several ways to use the library api. 57 | 58 | ```dart 59 | 60 | // 1. Compress an image and get Uint8List 61 | Future compressImage(Uint8List imageData) async { 62 | final compressedImage = await fastImageCompress.compressImage( 63 | imageData: imageData, 64 | quality: 60, 65 | targetWidth: 400, 66 | imageQuality: ImageQuality.low, 67 | ); 68 | return compressedImage; 69 | } 70 | 71 | // 2. Compress list of images and get a list of Uint8List 72 | Future> compressMultipleImages(List imageList) async { 73 | final result = await fastImageCompress.compressImageList( 74 | images: imageList, 75 | quality: 30, 76 | targetWidth: 800, 77 | batchSize: 3, 78 | imageQuality: ImageQuality.low, 79 | ); 80 | return result; 81 | } 82 | 83 | // 3. Cancel the compression process 84 | Future _cancelCompression() async { 85 | await fastImageCompress.cancelCompression(); 86 | } 87 | 88 | ``` 89 | ## Parameters of `compressImage` function: 90 | 91 | | Parameter Name | Data type | Default Value | Description | 92 | |----------------|--------------|---------------------|-----------------------------------------------------| 93 | | imageData | Uint8List | - | The image to be compressed | 94 | | quality | int | 60 | The compression quality percentage | 95 | | targetWidth | int? | null | The desired width for the compressed image | 96 | | imageQuality | ImageQuality | ImageQuality.medium | The quality of the image to store after compression | 97 | 98 | ## Parameters of `compressImage` function: 99 | 100 | | Parameter Name | Data type | Default Value | Description | 101 | |----------------|--------------|---------------------|-----------------------------------------------------------| 102 | | imageData | Uint8List | - | The image to be compressed | 103 | | quality | int | 60 | The compression quality percentage | 104 | | targetWidth | int? | null | The desired width for the compressed image | 105 | | imageQuality | ImageQuality | ImageQuality.medium | The quality of the image to store after compression | 106 | | batchSize | int | 3 | The number of images to process simultaneously in a batch | 107 | 108 | ## About params 109 | 110 | ### targetWidth 111 | 112 | The `targetWidth` parameter allows you to resize the images to a specific width. 113 | 114 | Use this parameter when you need all images to have a uniform width. It is particularly useful for optimizing image processing performance. 115 | Recommended to use this parameter when image size or image width is large. 116 | ### batchSize 117 | 118 | The `batchSize` parameter determines how many images are processed in a single batch. 119 | 120 | - If the image sizes are large (greater than 50 MB), set batchSize to a smaller value to avoid memory issues. 121 | - If the image sizes are small, you can set a higher value (e.g., 6) for better performance. 122 | 123 | To dynamically adjust batchSize based on the number of CPU threads available on the device, you can use the following code: 124 | ```dart 125 | final maxAvailableCPUThreads = Platform.numberOfProcessors; 126 | final batchSize = maxAvailableCPUThreads > 0 ? maxAvailableCPUThreads ~/ 2 : 1; 127 | ``` 128 | ### imageQuality 129 | 130 | The `imageQuality` parameter controls the quality of the processed images. It has three predefined values: 131 | - low 132 | - medium (default) 133 | - high 134 | 135 | ## Android 136 | 137 | You may need to update Kotlin to version `1.5.20` or higher. 138 | 139 | ## About EXIF information 140 | 141 | Using this library, the image orientation is maintained. 142 | 143 | #### HEIF(Heic) 144 | 145 | ##### Heif on iOS 146 | 147 | Only support iOS 11+. 148 | 149 | ##### Heif on Android 150 | 151 | Only support API 28+. 152 | 153 | Note: Requires hardware encoder support, so availability is not guaranteed on all devices running API 28 or higher. 154 | ## Main Contributors 155 | 156 | 157 | 158 | 159 | 160 |

Rashi Shah
161 | 162 | ## License 163 | 164 | ``` 165 | MIT License 166 | 167 | Copyright (c) 2021 Simform Solutions 168 | 169 | Permission is hereby granted, free of charge, to any person obtaining a copy 170 | of this software and associated documentation files (the "Software"), to deal 171 | in the Software without restriction, including without limitation the rights 172 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 173 | copies of the Software, and to permit persons to whom the Software is 174 | furnished to do so, subject to the following conditions: 175 | 176 | The above copyright notice and this permission notice shall be included in all 177 | copies or substantial portions of the Software. 178 | 179 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 180 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 181 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 182 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 183 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 184 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 185 | SOFTWARE. 186 | ``` 187 | -------------------------------------------------------------------------------- /analysis_options.yaml: -------------------------------------------------------------------------------- 1 | include: package:flutter_lints/flutter.yaml 2 | 3 | # Additional information about this file can be found at 4 | # https://dart.dev/guides/language/analysis-options 5 | -------------------------------------------------------------------------------- /android/.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/workspace.xml 5 | /.idea/libraries 6 | .DS_Store 7 | /build 8 | /captures 9 | .cxx 10 | -------------------------------------------------------------------------------- /android/build.gradle: -------------------------------------------------------------------------------- 1 | group = "com.example.fast_image_compress" 2 | version = "1.0-SNAPSHOT" 3 | 4 | buildscript { 5 | ext.kotlin_version = "1.5.20" 6 | repositories { 7 | google() 8 | mavenCentral() 9 | } 10 | 11 | dependencies { 12 | classpath("com.android.tools.build:gradle:8.1.0") 13 | classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version") 14 | } 15 | } 16 | 17 | allprojects { 18 | repositories { 19 | google() 20 | mavenCentral() 21 | } 22 | } 23 | 24 | apply plugin: "com.android.library" 25 | apply plugin: "kotlin-android" 26 | 27 | android { 28 | if (project.android.hasProperty("namespace")) { 29 | namespace = "com.example.fast_image_compress" 30 | } 31 | 32 | compileSdk = 34 33 | 34 | compileOptions { 35 | sourceCompatibility = JavaVersion.VERSION_1_8 36 | targetCompatibility = JavaVersion.VERSION_1_8 37 | } 38 | 39 | kotlinOptions { 40 | jvmTarget = JavaVersion.VERSION_1_8 41 | } 42 | 43 | sourceSets { 44 | main.java.srcDirs += "src/main/kotlin" 45 | test.java.srcDirs += "src/test/kotlin" 46 | } 47 | 48 | defaultConfig { 49 | minSdk = 21 50 | } 51 | 52 | dependencies { 53 | testImplementation("org.jetbrains.kotlin:kotlin-test") 54 | testImplementation("org.mockito:mockito-core:5.0.0") 55 | // Added dependencies for image processing and EXIF support 56 | implementation("androidx.exifinterface:exifinterface:1.3.7") 57 | } 58 | 59 | testOptions { 60 | unitTests.all { 61 | useJUnitPlatform() 62 | 63 | testLogging { 64 | events "passed", "skipped", "failed", "standardOut", "standardError" 65 | outputs.upToDateWhen {false} 66 | showStandardStreams = true 67 | } 68 | } 69 | } 70 | } 71 | -------------------------------------------------------------------------------- /android/settings.gradle: -------------------------------------------------------------------------------- 1 | rootProject.name = 'fast_image_compress' 2 | -------------------------------------------------------------------------------- /android/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 4 | -------------------------------------------------------------------------------- /android/src/main/kotlin/com/example/fast_image_compress/Constants.kt: -------------------------------------------------------------------------------- 1 | object Constants { 2 | const val METHOD_CHANNEL_NAME: String = "com.simform.fast_image_compress/compression" 3 | const val COMPRESSION_METHOD_NAME: String = "compressImage" 4 | const val CANCEL_COMPRESSION_METHOD_NAME: String = "cancelCompression" 5 | const val IMAGE_DATA: String = "imageData" 6 | const val TARGET_WIDTH: String = "targetWidth" 7 | const val COMPRESSION_QUALITY: String = "compressionQuality" 8 | const val IMAGE_QUALITY: String = "imageQuality" 9 | const val IMAGE_QUALITY_HIGH: String = "high" 10 | const val IMAGE_QUALITY_LOW: String = "low" 11 | const val IMAGE_QUALITY_MEDIUM: String = "medium" 12 | } 13 | -------------------------------------------------------------------------------- /android/src/main/kotlin/com/example/fast_image_compress/FastImageCompressPlugin.kt: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (c) 2021 Simform Solutions 3 | * 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy 5 | * of this software and associated documentation files (the "Software"), to deal 6 | * in the Software without restriction, including without limitation the rights 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 | * copies of the Software, and to permit persons to whom the Software is 9 | * furnished to do so, subject to the following conditions: 10 | * 11 | * The above copyright notice and this permission notice shall be 12 | * included in all copies or substantial portions of the Software. 13 | * 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 | * SOFTWARE. 21 | */ 22 | 23 | package com.example.fast_image_compress 24 | 25 | import Constants 26 | import android.graphics.Bitmap 27 | import android.graphics.BitmapFactory 28 | import android.graphics.Matrix 29 | import android.media.ExifInterface 30 | import android.os.Build 31 | import androidx.annotation.RequiresApi 32 | import io.flutter.embedding.engine.plugins.FlutterPlugin 33 | import io.flutter.plugin.common.MethodCall 34 | import io.flutter.plugin.common.MethodChannel 35 | import io.flutter.plugin.common.MethodChannel.MethodCallHandler 36 | import io.flutter.plugin.common.MethodChannel.Result 37 | import java.io.ByteArrayInputStream 38 | import java.io.ByteArrayOutputStream 39 | 40 | /** FastImageCompressPlugin */ 41 | 42 | enum class ImageQuality(val sampleSize: Int) { 43 | HIGH(8), MEDIUM(4), LOW(2) 44 | } 45 | 46 | class FastImageCompressPlugin: FlutterPlugin, MethodCallHandler { 47 | 48 | // MethodChannel for communication between Flutter and native Android 49 | private lateinit var channel: MethodChannel 50 | private var inputImageSize: Int = 0 51 | 52 | // Flag to handle cancellation of image compression 53 | @Volatile 54 | private var isCancelled = false 55 | 56 | // Called when the plugin is attached to the Flutter engine 57 | override fun onAttachedToEngine(flutterPluginBinding: FlutterPlugin.FlutterPluginBinding) { 58 | channel = MethodChannel(flutterPluginBinding.binaryMessenger, Constants.METHOD_CHANNEL_NAME) 59 | channel.setMethodCallHandler(this) 60 | } 61 | 62 | // Handles incoming method calls from Flutter 63 | @RequiresApi(Build.VERSION_CODES.N) 64 | override fun onMethodCall(call: MethodCall, result: Result) { 65 | if (call.method == Constants.COMPRESSION_METHOD_NAME) { 66 | // Retrieve arguments from the method call 67 | val byteArray = call.argument(Constants.IMAGE_DATA) 68 | val targetWidth = call.argument(Constants.TARGET_WIDTH) 69 | val compressionQuality = call.argument(Constants.COMPRESSION_QUALITY) 70 | val imageQualityInString = call.argument(Constants.IMAGE_QUALITY) 71 | 72 | // Determine the image quality based on the input string 73 | val imageQuality = 74 | if (imageQualityInString == Constants.IMAGE_QUALITY_HIGH) ImageQuality.HIGH 75 | else if (imageQualityInString == Constants.IMAGE_QUALITY_LOW) ImageQuality.LOW 76 | else ImageQuality.MEDIUM 77 | 78 | if (byteArray != null) { 79 | try { 80 | val options = BitmapFactory.Options() 81 | // Only fetches the image dimensions, doesn't load the image into memory 82 | options.inJustDecodeBounds = true 83 | BitmapFactory.decodeByteArray(byteArray, 0, byteArray.size, options) 84 | inputImageSize = byteArray.size 85 | 86 | // Calculate the sampling size for image decoding 87 | options.inSampleSize = 88 | calculateInSampleSize(options, targetWidth, imageQuality, compressionQuality) 89 | // Decodes the image fully with the calculated sample size 90 | options.inJustDecodeBounds = false 91 | 92 | // Decode the image into a Bitmap 93 | var bitmap = 94 | BitmapFactory.decodeByteArray(byteArray, 0, byteArray.size, options) 95 | 96 | // Handle cancellation 97 | if (isCancelled) { 98 | bitmap.recycle() 99 | result.error("CANCELLED", "Compression cancelled by user", null) 100 | return 101 | } 102 | 103 | // Read the image's EXIF data to handle orientation 104 | val exif = ExifInterface(ByteArrayInputStream(byteArray)) 105 | val orientation = exif.getAttributeInt( 106 | ExifInterface.TAG_ORIENTATION, 107 | ExifInterface.ORIENTATION_NORMAL 108 | ) 109 | val correctedBitmap = applyExifOrientation(bitmap, orientation) 110 | 111 | // Handle cancellation after EXIF correction 112 | if (isCancelled) { 113 | bitmap.recycle() 114 | result.error("CANCELLED", "Compression cancelled by user", null) 115 | return 116 | } 117 | val resizedBitmap = resizeBitmap(correctedBitmap, targetWidth) 118 | 119 | // Compress the image and convert it to a byte array 120 | val compressedBytes = bitmapToByteArray(resizedBitmap, compressionQuality) 121 | if (compressedBytes == null) { 122 | // Return the original image if compression fails or when compressed image 123 | // is larger than original image 124 | result.success(byteArray) 125 | } else { 126 | // Return the compressed image 127 | result.success(compressedBytes) 128 | } 129 | 130 | // Clean up resources 131 | correctedBitmap.recycle() 132 | resizedBitmap.recycle() 133 | bitmap.recycle() 134 | 135 | } catch (e: Exception) { 136 | // Handle any errors during image processing 137 | result.error( 138 | "DECODE_ERROR", 139 | "Error during image processing: ${e.message}", 140 | null 141 | ) 142 | } 143 | } 144 | } else if (call.method == Constants.CANCEL_COMPRESSION_METHOD_NAME) { 145 | // Handle cancellation request 146 | isCancelled = true 147 | result.success(null) 148 | isCancelled = false 149 | } else { 150 | // Handle unimplemented methods 151 | result.notImplemented() 152 | } 153 | } 154 | 155 | // Called when the plugin is detached from the Flutter engine 156 | override fun onDetachedFromEngine(binding: FlutterPlugin.FlutterPluginBinding) { 157 | channel.setMethodCallHandler(null) 158 | } 159 | 160 | // Calculate the sampling size for image decoding based on target width or quality 161 | private fun calculateInSampleSize( 162 | options: BitmapFactory.Options, 163 | reqWidth: Int?, 164 | imageQuality: ImageQuality = ImageQuality.MEDIUM, 165 | compressionQuality: Int?, 166 | ): Int { 167 | val (width: Int, height: Int) = options.run { outWidth to outHeight } 168 | var inSampleSize = 1 169 | if (reqWidth != null) { 170 | if (width > reqWidth) { 171 | val factor = imageQuality.sampleSize 172 | val adjustedWidth: Int = width / factor 173 | while (adjustedWidth / inSampleSize >= reqWidth) { 174 | inSampleSize *= 2 175 | } 176 | } 177 | } else { 178 | val quality = compressionQuality ?: 80 179 | val sampleSize = (100 - quality) / 100 180 | inSampleSize = if (sampleSize < 2) 2 else sampleSize 181 | } 182 | return inSampleSize 183 | } 184 | 185 | // Compress a Bitmap into a byte array 186 | private fun bitmapToByteArray(bitmap: Bitmap, compressionQuality: Int? = 80): ByteArray? { 187 | val quality = compressionQuality ?: 80 188 | val stream = ByteArrayOutputStream() 189 | bitmap.compress(Bitmap.CompressFormat.JPEG, quality, stream) 190 | var outputImageSize = stream.toByteArray().size 191 | 192 | // To avoid increasing the size of an already compressed image, compare 193 | // input and output sizes, and use lower compression quality if needed. 194 | if (outputImageSize > inputImageSize) { 195 | var updatedCompQuality = quality; 196 | while (outputImageSize > inputImageSize && updatedCompQuality >= 10) { 197 | bitmap.compress(Bitmap.CompressFormat.JPEG, updatedCompQuality, stream) 198 | updatedCompQuality = updatedCompQuality - 10; 199 | outputImageSize = stream.toByteArray().size; 200 | } 201 | if (updatedCompQuality >= 10) { 202 | return stream.toByteArray() 203 | } else { 204 | return null 205 | } 206 | } 207 | return stream.toByteArray() 208 | } 209 | 210 | // Apply EXIF orientation to a Bitmap 211 | private fun applyExifOrientation(bitmap: Bitmap, orientation: Int): Bitmap { 212 | val matrix = Matrix() 213 | when (orientation) { 214 | ExifInterface.ORIENTATION_ROTATE_90 -> matrix.postRotate(90f) 215 | ExifInterface.ORIENTATION_ROTATE_180 -> matrix.postRotate(180f) 216 | ExifInterface.ORIENTATION_ROTATE_270 -> matrix.postRotate(270f) 217 | ExifInterface.ORIENTATION_FLIP_HORIZONTAL -> matrix.postScale(-1f, 1f) 218 | ExifInterface.ORIENTATION_FLIP_VERTICAL -> matrix.postScale(1f, -1f) 219 | } 220 | return Bitmap.createBitmap(bitmap, 0, 0, bitmap.width, bitmap.height, matrix, true) 221 | } 222 | 223 | private fun resizeBitmap(bitmap: Bitmap, targetWidth: Int?): Bitmap { 224 | if (targetWidth == null || bitmap.width <= targetWidth) { 225 | return bitmap 226 | } 227 | val scale = targetWidth.toFloat() / bitmap.width 228 | val targetHeight = (bitmap.height * scale).toInt() 229 | return Bitmap.createScaledBitmap(bitmap, targetWidth, targetHeight, true) 230 | } 231 | } 232 | -------------------------------------------------------------------------------- /android/src/test/kotlin/com/example/fast_image_compress/FastImageCompressPluginTest.kt: -------------------------------------------------------------------------------- 1 | package com.example.fast_image_compress 2 | 3 | import io.flutter.plugin.common.MethodCall 4 | import io.flutter.plugin.common.MethodChannel 5 | import kotlin.test.Test 6 | import org.mockito.Mockito 7 | 8 | /* 9 | * This demonstrates a simple unit test of the Kotlin portion of this plugin's implementation. 10 | * 11 | * Once you have built the plugin's example app, you can run these tests from the command 12 | * line by running `./gradlew testDebugUnitTest` in the `example/android/` directory, or 13 | * you can run them directly from IDEs that support JUnit such as Android Studio. 14 | */ 15 | 16 | internal class FastImageCompressPluginTest { 17 | @Test 18 | fun onMethodCall_getPlatformVersion_returnsExpectedValue() { 19 | val plugin = FastImageCompressPlugin() 20 | 21 | val call = MethodCall("getPlatformVersion", null) 22 | val mockResult: MethodChannel.Result = Mockito.mock(MethodChannel.Result::class.java) 23 | plugin.onMethodCall(call, mockResult) 24 | 25 | Mockito.verify(mockResult).success("Android " + android.os.Build.VERSION.RELEASE) 26 | } 27 | } 28 | -------------------------------------------------------------------------------- /example/.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.log 4 | *.pyc 5 | *.swp 6 | .DS_Store 7 | .atom/ 8 | .buildlog/ 9 | .history 10 | .svn/ 11 | migrate_working_dir/ 12 | 13 | # IntelliJ related 14 | *.iml 15 | *.ipr 16 | *.iws 17 | .idea/ 18 | 19 | # The .vscode folder contains launch configuration and tasks you configure in 20 | # VS Code which you may wish to be included in version control, so this line 21 | # is commented out by default. 22 | #.vscode/ 23 | 24 | # Flutter/Dart/Pub related 25 | **/doc/api/ 26 | **/ios/Flutter/.last_build_id 27 | .dart_tool/ 28 | .flutter-plugins 29 | .flutter-plugins-dependencies 30 | .pub-cache/ 31 | .pub/ 32 | /build/ 33 | 34 | # Symbolication related 35 | app.*.symbols 36 | 37 | # Obfuscation related 38 | app.*.map.json 39 | 40 | # Android Studio will place build artifacts here 41 | /android/app/debug 42 | /android/app/profile 43 | /android/app/release 44 | -------------------------------------------------------------------------------- /example/README.md: -------------------------------------------------------------------------------- 1 | # fast_image_compress_example 2 | 3 | Demonstrates how to use the fast_image_compress plugin. 4 | 5 | ## Getting Started 6 | 7 | This project is a starting point for a Flutter application. 8 | 9 | A few resources to get you started if this is your first Flutter project: 10 | 11 | - [Lab: Write your first Flutter app](https://docs.flutter.dev/get-started/codelab) 12 | - [Cookbook: Useful Flutter samples](https://docs.flutter.dev/cookbook) 13 | 14 | For help getting started with Flutter development, view the 15 | [online documentation](https://docs.flutter.dev/), which offers tutorials, 16 | samples, guidance on mobile development, and a full API reference. 17 | -------------------------------------------------------------------------------- /example/analysis_options.yaml: -------------------------------------------------------------------------------- 1 | # This file configures the analyzer, which statically analyzes Dart code to 2 | # check for errors, warnings, and lints. 3 | # 4 | # The issues identified by the analyzer are surfaced in the UI of Dart-enabled 5 | # IDEs (https://dart.dev/tools#ides-and-editors). The analyzer can also be 6 | # invoked from the command line by running `flutter analyze`. 7 | 8 | # The following line activates a set of recommended lints for Flutter apps, 9 | # packages, and plugins designed to encourage good coding practices. 10 | include: package:flutter_lints/flutter.yaml 11 | 12 | linter: 13 | # The lint rules applied to this project can be customized in the 14 | # section below to disable rules from the `package:flutter_lints/flutter.yaml` 15 | # included above or to enable additional rules. A list of all available lints 16 | # and their documentation is published at https://dart.dev/lints. 17 | # 18 | # Instead of disabling a lint rule for the entire project in the 19 | # section below, it can also be suppressed for a single line of code 20 | # or a specific dart file by using the `// ignore: name_of_lint` and 21 | # `// ignore_for_file: name_of_lint` syntax on the line or in the file 22 | # producing the lint. 23 | rules: 24 | # avoid_print: false # Uncomment to disable the `avoid_print` rule 25 | # prefer_single_quotes: true # Uncomment to enable the `prefer_single_quotes` rule 26 | 27 | # Additional information about this file can be found at 28 | # https://dart.dev/guides/language/analysis-options 29 | -------------------------------------------------------------------------------- /example/android/.gitignore: -------------------------------------------------------------------------------- 1 | gradle-wrapper.jar 2 | /.gradle 3 | /captures/ 4 | /gradlew 5 | /gradlew.bat 6 | /local.properties 7 | GeneratedPluginRegistrant.java 8 | 9 | # Remember to never publicly share your keystore. 10 | # See https://flutter.dev/to/reference-keystore 11 | key.properties 12 | **/*.keystore 13 | **/*.jks 14 | -------------------------------------------------------------------------------- /example/android/app/build.gradle: -------------------------------------------------------------------------------- 1 | plugins { 2 | id "com.android.application" 3 | id "kotlin-android" 4 | // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins. 5 | id "dev.flutter.flutter-gradle-plugin" 6 | } 7 | 8 | android { 9 | namespace = "com.example.fast_image_compress_example" 10 | compileSdk = flutter.compileSdkVersion 11 | ndkVersion = flutter.ndkVersion 12 | 13 | compileOptions { 14 | sourceCompatibility = JavaVersion.VERSION_1_8 15 | targetCompatibility = JavaVersion.VERSION_1_8 16 | } 17 | 18 | kotlinOptions { 19 | jvmTarget = JavaVersion.VERSION_1_8 20 | } 21 | 22 | defaultConfig { 23 | // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html). 24 | applicationId = "com.example.fast_image_compress_example" 25 | // You can update the following values to match your application needs. 26 | // For more information, see: https://flutter.dev/to/review-gradle-config. 27 | minSdk = flutter.minSdkVersion 28 | targetSdk = flutter.targetSdkVersion 29 | versionCode = flutter.versionCode 30 | versionName = flutter.versionName 31 | } 32 | 33 | buildTypes { 34 | release { 35 | // TODO: Add your own signing config for the release build. 36 | // Signing with the debug keys for now, so `flutter run --release` works. 37 | signingConfig = signingConfigs.debug 38 | } 39 | } 40 | } 41 | 42 | flutter { 43 | source = "../.." 44 | } 45 | -------------------------------------------------------------------------------- /example/android/app/src/debug/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/android/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 15 | 19 | 23 | 24 | 25 | 26 | 27 | 28 | 30 | 33 | 34 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /example/android/app/src/main/kotlin/com/example/fast_image_compress_example/MainActivity.kt: -------------------------------------------------------------------------------- 1 | package com.example.fast_image_compress_example 2 | 3 | import io.flutter.embedding.android.FlutterActivity 4 | 5 | class MainActivity: FlutterActivity() 6 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/drawable-v21/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/drawable/launch_background.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 12 | 13 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SimformSolutionsPvtLtd/fast_image_compress/1af0277549c8e4defeb171f05f744ca5e7474075/example/android/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SimformSolutionsPvtLtd/fast_image_compress/1af0277549c8e4defeb171f05f744ca5e7474075/example/android/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SimformSolutionsPvtLtd/fast_image_compress/1af0277549c8e4defeb171f05f744ca5e7474075/example/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SimformSolutionsPvtLtd/fast_image_compress/1af0277549c8e4defeb171f05f744ca5e7474075/example/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SimformSolutionsPvtLtd/fast_image_compress/1af0277549c8e4defeb171f05f744ca5e7474075/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /example/android/app/src/main/res/values-night/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /example/android/app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /example/android/app/src/profile/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/android/build.gradle: -------------------------------------------------------------------------------- 1 | allprojects { 2 | repositories { 3 | google() 4 | mavenCentral() 5 | } 6 | } 7 | 8 | rootProject.buildDir = "../build" 9 | subprojects { 10 | project.buildDir = "${rootProject.buildDir}/${project.name}" 11 | } 12 | subprojects { 13 | project.evaluationDependsOn(":app") 14 | } 15 | 16 | tasks.register("clean", Delete) { 17 | delete rootProject.buildDir 18 | } 19 | -------------------------------------------------------------------------------- /example/android/gradle.properties: -------------------------------------------------------------------------------- 1 | org.gradle.jvmargs=-Xmx4G -XX:MaxMetaspaceSize=2G -XX:+HeapDumpOnOutOfMemoryError 2 | android.useAndroidX=true 3 | android.enableJetifier=true 4 | -------------------------------------------------------------------------------- /example/android/gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | zipStoreBase=GRADLE_USER_HOME 4 | zipStorePath=wrapper/dists 5 | distributionUrl=https\://services.gradle.org/distributions/gradle-8.3-all.zip 6 | -------------------------------------------------------------------------------- /example/android/settings.gradle: -------------------------------------------------------------------------------- 1 | pluginManagement { 2 | def flutterSdkPath = { 3 | def properties = new Properties() 4 | file("local.properties").withInputStream { properties.load(it) } 5 | def flutterSdkPath = properties.getProperty("flutter.sdk") 6 | assert flutterSdkPath != null, "flutter.sdk not set in local.properties" 7 | return flutterSdkPath 8 | }() 9 | 10 | includeBuild("$flutterSdkPath/packages/flutter_tools/gradle") 11 | 12 | repositories { 13 | google() 14 | mavenCentral() 15 | gradlePluginPortal() 16 | } 17 | } 18 | 19 | plugins { 20 | id "dev.flutter.flutter-plugin-loader" version "1.0.0" 21 | id "com.android.application" version "8.1.0" apply false 22 | id "org.jetbrains.kotlin.android" version "1.8.22" apply false 23 | } 24 | 25 | include ":app" 26 | -------------------------------------------------------------------------------- /example/integration_test/plugin_integration_test.dart: -------------------------------------------------------------------------------- 1 | // This is a basic Flutter integration test. 2 | // 3 | // Since integration tests run in a full Flutter application, they can interact 4 | // with the host side of a plugin implementation, unlike Dart unit tests. 5 | // 6 | // For more information about Flutter integration tests, please see 7 | // https://flutter.dev/to/integration-testing 8 | 9 | import 'package:flutter_test/flutter_test.dart'; 10 | import 'package:integration_test/integration_test.dart'; 11 | 12 | import 'package:fast_image_compress/fast_image_compress.dart'; 13 | 14 | void main() { 15 | IntegrationTestWidgetsFlutterBinding.ensureInitialized(); 16 | 17 | testWidgets('getPlatformVersion test', (WidgetTester tester) async { 18 | final FastImageCompress plugin = FastImageCompress(); 19 | final String? version = await plugin.getPlatformVersion(); 20 | // The version string depends on the host platform running the test, so 21 | // just assert that some non-empty string is returned. 22 | expect(version?.isNotEmpty, true); 23 | }); 24 | } 25 | -------------------------------------------------------------------------------- /example/ios/.gitignore: -------------------------------------------------------------------------------- 1 | **/dgph 2 | *.mode1v3 3 | *.mode2v3 4 | *.moved-aside 5 | *.pbxuser 6 | *.perspectivev3 7 | **/*sync/ 8 | .sconsign.dblite 9 | .tags* 10 | **/.vagrant/ 11 | **/DerivedData/ 12 | Icon? 13 | **/Pods/ 14 | **/.symlinks/ 15 | profile 16 | xcuserdata 17 | **/.generated/ 18 | Flutter/App.framework 19 | Flutter/Flutter.framework 20 | Flutter/Flutter.podspec 21 | Flutter/Generated.xcconfig 22 | Flutter/ephemeral/ 23 | Flutter/app.flx 24 | Flutter/app.zip 25 | Flutter/flutter_assets/ 26 | Flutter/flutter_export_environment.sh 27 | ServiceDefinitions.json 28 | Runner/GeneratedPluginRegistrant.* 29 | 30 | # Exceptions to above rules. 31 | !default.mode1v3 32 | !default.mode2v3 33 | !default.pbxuser 34 | !default.perspectivev3 35 | -------------------------------------------------------------------------------- /example/ios/Flutter/AppFrameworkInfo.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | App 9 | CFBundleIdentifier 10 | io.flutter.flutter.app 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | App 15 | CFBundlePackageType 16 | FMWK 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1.0 23 | MinimumOSVersion 24 | 12.0 25 | 26 | 27 | -------------------------------------------------------------------------------- /example/ios/Flutter/Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.debug.xcconfig" 2 | #include "Generated.xcconfig" 3 | -------------------------------------------------------------------------------- /example/ios/Flutter/Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include? "Pods/Target Support Files/Pods-Runner/Pods-Runner.release.xcconfig" 2 | #include "Generated.xcconfig" 3 | -------------------------------------------------------------------------------- /example/ios/Podfile: -------------------------------------------------------------------------------- 1 | # Uncomment this line to define a global platform for your project 2 | # platform :ios, '12.0' 3 | 4 | # CocoaPods analytics sends network stats synchronously affecting flutter build latency. 5 | ENV['COCOAPODS_DISABLE_STATS'] = 'true' 6 | 7 | project 'Runner', { 8 | 'Debug' => :debug, 9 | 'Profile' => :release, 10 | 'Release' => :release, 11 | } 12 | 13 | def flutter_root 14 | generated_xcode_build_settings_path = File.expand_path(File.join('..', 'Flutter', 'Generated.xcconfig'), __FILE__) 15 | unless File.exist?(generated_xcode_build_settings_path) 16 | raise "#{generated_xcode_build_settings_path} must exist. If you're running pod install manually, make sure flutter pub get is executed first" 17 | end 18 | 19 | File.foreach(generated_xcode_build_settings_path) do |line| 20 | matches = line.match(/FLUTTER_ROOT\=(.*)/) 21 | return matches[1].strip if matches 22 | end 23 | raise "FLUTTER_ROOT not found in #{generated_xcode_build_settings_path}. Try deleting Generated.xcconfig, then run flutter pub get" 24 | end 25 | 26 | require File.expand_path(File.join('packages', 'flutter_tools', 'bin', 'podhelper'), flutter_root) 27 | 28 | flutter_ios_podfile_setup 29 | 30 | target 'Runner' do 31 | use_frameworks! 32 | use_modular_headers! 33 | 34 | flutter_install_all_ios_pods File.dirname(File.realpath(__FILE__)) 35 | target 'RunnerTests' do 36 | inherit! :search_paths 37 | end 38 | end 39 | 40 | post_install do |installer| 41 | installer.pods_project.targets.each do |target| 42 | flutter_additional_ios_build_settings(target) 43 | end 44 | end 45 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 4 | classes = { 5 | }; 6 | objectVersion = 54; 7 | objects = { 8 | 9 | /* Begin PBXBuildFile section */ 10 | 1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; 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-------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 37 | 38 | 39 | 40 | 43 | 49 | 50 | 51 | 52 | 53 | 63 | 65 | 71 | 72 | 73 | 74 | 80 | 82 | 88 | 89 | 90 | 91 | 93 | 94 | 97 | 98 | 99 | -------------------------------------------------------------------------------- /example/ios/Runner.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 9 | 10 | 11 | -------------------------------------------------------------------------------- /example/ios/Runner.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /example/ios/Runner/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | import Flutter 2 | import UIKit 3 | 4 | @main 5 | @objc class AppDelegate: FlutterAppDelegate { 6 | override func application( 7 | _ application: UIApplication, 8 | didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? 9 | ) -> Bool { 10 | GeneratedPluginRegistrant.register(with: self) 11 | return super.application(application, didFinishLaunchingWithOptions: launchOptions) 12 | } 13 | } 14 | -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "size" : "20x20", 5 | "idiom" : "iphone", 6 | "filename" : "Icon-App-20x20@2x.png", 7 | "scale" : "2x" 8 | }, 9 | { 10 | "size" : "20x20", 11 | "idiom" : "iphone", 12 | "filename" : "Icon-App-20x20@3x.png", 13 | "scale" : "3x" 14 | }, 15 | { 16 | "size" : "29x29", 17 | "idiom" : "iphone", 18 | "filename" : "Icon-App-29x29@1x.png", 19 | "scale" : "1x" 20 | }, 21 | { 22 | "size" : "29x29", 23 | "idiom" : "iphone", 24 | "filename" : "Icon-App-29x29@2x.png", 25 | "scale" : "2x" 26 | }, 27 | { 28 | "size" : "29x29", 29 | "idiom" : "iphone", 30 | "filename" : "Icon-App-29x29@3x.png", 31 | "scale" : "3x" 32 | }, 33 | { 34 | "size" : "40x40", 35 | "idiom" : "iphone", 36 | "filename" : "Icon-App-40x40@2x.png", 37 | "scale" : "2x" 38 | }, 39 | { 40 | "size" : "40x40", 41 | "idiom" : "iphone", 42 | "filename" : "Icon-App-40x40@3x.png", 43 | "scale" : "3x" 44 | }, 45 | { 46 | "size" : "60x60", 47 | "idiom" : "iphone", 48 | "filename" : "Icon-App-60x60@2x.png", 49 | "scale" : "2x" 50 | }, 51 | { 52 | "size" : "60x60", 53 | "idiom" : "iphone", 54 | "filename" : "Icon-App-60x60@3x.png", 55 | "scale" : "3x" 56 | }, 57 | { 58 | "size" : "20x20", 59 | "idiom" : "ipad", 60 | "filename" : "Icon-App-20x20@1x.png", 61 | "scale" : "1x" 62 | }, 63 | { 64 | "size" : "20x20", 65 | "idiom" : "ipad", 66 | "filename" : "Icon-App-20x20@2x.png", 67 | "scale" : "2x" 68 | }, 69 | { 70 | "size" : "29x29", 71 | "idiom" : "ipad", 72 | "filename" : "Icon-App-29x29@1x.png", 73 | "scale" : "1x" 74 | }, 75 | { 76 | "size" : "29x29", 77 | "idiom" : "ipad", 78 | "filename" : "Icon-App-29x29@2x.png", 79 | "scale" : "2x" 80 | }, 81 | { 82 | "size" : "40x40", 83 | "idiom" : "ipad", 84 | "filename" : "Icon-App-40x40@1x.png", 85 | "scale" : "1x" 86 | }, 87 | { 88 | "size" : "40x40", 89 | "idiom" : "ipad", 90 | "filename" : "Icon-App-40x40@2x.png", 91 | "scale" : "2x" 92 | }, 93 | { 94 | "size" : "76x76", 95 | "idiom" : "ipad", 96 | "filename" : "Icon-App-76x76@1x.png", 97 | "scale" : "1x" 98 | }, 99 | { 100 | "size" : "76x76", 101 | "idiom" : "ipad", 102 | "filename" : "Icon-App-76x76@2x.png", 103 | "scale" : "2x" 104 | }, 105 | { 106 | "size" : "83.5x83.5", 107 | "idiom" : "ipad", 108 | "filename" : "Icon-App-83.5x83.5@2x.png", 109 | "scale" : "2x" 110 | }, 111 | { 112 | "size" : "1024x1024", 113 | "idiom" : "ios-marketing", 114 | "filename" : "Icon-App-1024x1024@1x.png", 115 | "scale" : "1x" 116 | } 117 | ], 118 | "info" : { 119 | "version" : 1, 120 | "author" : "xcode" 121 | } 122 | } 123 | 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2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | -------------------------------------------------------------------------------- /example/ios/Runner/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /example/ios/Runner/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | NSPhotoLibraryUsageDescription 6 | Fast Image Compress needs access to your photo library to pick images. 7 | NSCameraUsageDescription 8 | Fast Image Compress needs access to your camera to capture new images. 9 | NSMicrophoneUsageDescription 10 | Fast Image Compress needs access to your microphone to record videos. 11 | CFBundleDevelopmentRegion 12 | $(DEVELOPMENT_LANGUAGE) 13 | CFBundleDisplayName 14 | Fast Image Compress 15 | CFBundleExecutable 16 | $(EXECUTABLE_NAME) 17 | CFBundleIdentifier 18 | $(PRODUCT_BUNDLE_IDENTIFIER) 19 | CFBundleInfoDictionaryVersion 20 | 6.0 21 | CFBundleName 22 | fast_image_compress_example 23 | CFBundlePackageType 24 | APPL 25 | CFBundleShortVersionString 26 | $(FLUTTER_BUILD_NAME) 27 | CFBundleSignature 28 | ???? 29 | CFBundleVersion 30 | $(FLUTTER_BUILD_NUMBER) 31 | LSRequiresIPhoneOS 32 | 33 | UILaunchStoryboardName 34 | LaunchScreen 35 | UIMainStoryboardFile 36 | Main 37 | UISupportedInterfaceOrientations 38 | 39 | UIInterfaceOrientationPortrait 40 | UIInterfaceOrientationLandscapeLeft 41 | UIInterfaceOrientationLandscapeRight 42 | 43 | UISupportedInterfaceOrientations~ipad 44 | 45 | UIInterfaceOrientationPortrait 46 | UIInterfaceOrientationPortraitUpsideDown 47 | UIInterfaceOrientationLandscapeLeft 48 | UIInterfaceOrientationLandscapeRight 49 | 50 | CADisableMinimumFrameDurationOnPhone 51 | 52 | UIApplicationSupportsIndirectInputEvents 53 | 54 | 55 | 56 | -------------------------------------------------------------------------------- /example/ios/Runner/Runner-Bridging-Header.h: -------------------------------------------------------------------------------- 1 | #import "GeneratedPluginRegistrant.h" 2 | -------------------------------------------------------------------------------- /example/ios/RunnerTests/RunnerTests.swift: -------------------------------------------------------------------------------- 1 | import Flutter 2 | import UIKit 3 | import XCTest 4 | 5 | 6 | @testable import fast_image_compress 7 | 8 | // This demonstrates a simple unit test of the Swift portion of this plugin's implementation. 9 | // 10 | // See https://developer.apple.com/documentation/xctest for more information about using XCTest. 11 | 12 | class RunnerTests: XCTestCase { 13 | 14 | func testGetPlatformVersion() { 15 | let plugin = FastImageCompressPlugin() 16 | 17 | let call = FlutterMethodCall(methodName: "getPlatformVersion", arguments: []) 18 | 19 | let resultExpectation = expectation(description: "result block must be called.") 20 | plugin.handle(call) { result in 21 | XCTAssertEqual(result as! String, "iOS " + UIDevice.current.systemVersion) 22 | resultExpectation.fulfill() 23 | } 24 | waitForExpectations(timeout: 1) 25 | } 26 | 27 | } 28 | -------------------------------------------------------------------------------- /example/lib/main.dart: -------------------------------------------------------------------------------- 1 | import 'dart:async'; 2 | import 'dart:typed_data'; 3 | 4 | import 'package:fast_image_compress/fast_image_compress.dart'; 5 | import 'package:flutter/material.dart'; 6 | import 'package:image_picker/image_picker.dart'; 7 | 8 | void main() { 9 | runApp(const MyApp()); 10 | } 11 | 12 | class MyApp extends StatelessWidget { 13 | const MyApp({super.key}); 14 | 15 | @override 16 | Widget build(BuildContext context) { 17 | return MaterialApp( 18 | title: 'Fast Image Compress Example', 19 | theme: ThemeData( 20 | primarySwatch: Colors.red, 21 | ), 22 | home: const CompressionExamplePage(), 23 | ); 24 | } 25 | } 26 | 27 | class CompressionExamplePage extends StatefulWidget { 28 | const CompressionExamplePage({super.key}); 29 | 30 | @override 31 | CompressionExamplePageState createState() => CompressionExamplePageState(); 32 | } 33 | 34 | class CompressionExamplePageState extends State { 35 | final FastImageCompress fastImageCompress = FastImageCompress(); 36 | final ImagePicker _imagePicker = ImagePicker(); 37 | List? _originalImageList; 38 | List? _compressedImageList; 39 | bool _isCompressing = false; 40 | double _progress = 0.0; 41 | int _completedCount = 0; 42 | bool _isCancelled = false; 43 | 44 | Future _pickImage() async { 45 | setState(() { 46 | _originalImageList = []; 47 | _compressedImageList = null; 48 | }); 49 | 50 | final pickedFiles = await _imagePicker.pickMultiImage(limit: 30); 51 | if (pickedFiles.isNotEmpty) { 52 | final res = await Future.wait( 53 | pickedFiles.map((file) async => await file.readAsBytes()), 54 | ); 55 | setState(() { 56 | _originalImageList = res; 57 | _compressedImageList = null; // Reset compressed image 58 | }); 59 | } 60 | } 61 | 62 | Future _compressImage() async { 63 | if (_originalImageList == null || _originalImageList!.isEmpty) return; 64 | 65 | setState(() { 66 | _isCancelled = false; 67 | _isCompressing = true; 68 | _progress = 0.0; 69 | }); 70 | 71 | final totalImages = _originalImageList!.length; 72 | fastImageCompress.progressStream.listen((completedCount) { 73 | if (_isCancelled == false) { 74 | setState(() { 75 | _progress = (completedCount / totalImages); 76 | _completedCount = completedCount; 77 | }); 78 | } 79 | }); 80 | 81 | final compressedImageList = await fastImageCompress.compressImageList( 82 | images: _originalImageList!, 83 | quality: 90, 84 | batchSize: 2, 85 | imageQuality: ImageQuality.high, 86 | targetWidth: 300, 87 | ); 88 | 89 | if (_isCancelled == false) { 90 | setState(() { 91 | _compressedImageList = compressedImageList; 92 | _isCompressing = false; 93 | }); 94 | } 95 | } 96 | 97 | Future _cancelCompression() async { 98 | await fastImageCompress.cancelCompression(); 99 | setState(() { 100 | _isCancelled = true; 101 | _compressedImageList = null; 102 | _isCompressing = false; 103 | _progress = 0; 104 | _completedCount = 0; 105 | }); 106 | } 107 | 108 | @override 109 | Widget build(BuildContext context) { 110 | final totalSelectedImages = _originalImageList?.length; 111 | return Scaffold( 112 | appBar: AppBar( 113 | title: const Text('Image Compression Example'), 114 | ), 115 | body: Padding( 116 | padding: const EdgeInsets.all(16.0), 117 | child: Column( 118 | children: [ 119 | ElevatedButton( 120 | onPressed: _pickImage, 121 | child: const Text('Pick Image'), 122 | ), 123 | if (_originalImageList != null) ...[ 124 | const SizedBox(height: 20), 125 | Text( 126 | 'Selected image count: ${_originalImageList?.length ?? 0}', 127 | ), 128 | ], 129 | const SizedBox(height: 20), 130 | if (!_isCompressing) ...[ 131 | ElevatedButton( 132 | onPressed: _compressImage, 133 | child: const Text('Compress Image'), 134 | ), 135 | const SizedBox(height: 20), 136 | ] else ...[ 137 | ElevatedButton( 138 | onPressed: _cancelCompression, 139 | child: const Text('Cancel Compression'), 140 | ), 141 | const SizedBox(height: 20), 142 | ], 143 | Padding( 144 | padding: const EdgeInsets.symmetric(horizontal: 8.0), 145 | child: LinearProgressIndicator(value: _progress), 146 | ), 147 | const SizedBox(height: 10), 148 | if (totalSelectedImages != null && totalSelectedImages > 0) 149 | Text( 150 | '$_completedCount/$totalSelectedImages Compressed', 151 | style: const TextStyle(fontSize: 16.0), 152 | ), 153 | if (_compressedImageList != null && 154 | _compressedImageList!.isNotEmpty) ...[ 155 | const SizedBox(height: 20), 156 | const Text('Compressed Images:'), 157 | const SizedBox(height: 20), 158 | Expanded( 159 | child: ListView.builder( 160 | itemBuilder: (BuildContext context, int index) { 161 | if (index < _compressedImageList!.length) { 162 | final actualImageSize = 163 | (_originalImageList![index].lengthInBytes / 1024) 164 | .toStringAsFixed(2); 165 | final compressedImageSize = 166 | (_compressedImageList![index].lengthInBytes / 1024) 167 | .toStringAsFixed(2); 168 | return Column( 169 | children: [ 170 | Image.memory(_compressedImageList![index]), 171 | Text( 172 | 'Actual Image Size: $actualImageSize Kb \nCompressed Image Size: $compressedImageSize Kb', 173 | ), 174 | ], 175 | ); 176 | } 177 | return null; 178 | }, 179 | ), 180 | ), 181 | ], 182 | ], 183 | ), 184 | ), 185 | ); 186 | } 187 | 188 | @override 189 | void dispose() { 190 | fastImageCompress.dispose(); 191 | super.dispose(); 192 | } 193 | } 194 | -------------------------------------------------------------------------------- /example/pubspec.lock: -------------------------------------------------------------------------------- 1 | # Generated by pub 2 | # See https://dart.dev/tools/pub/glossary#lockfile 3 | packages: 4 | async: 5 | dependency: transitive 6 | description: 7 | name: async 8 | sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c" 9 | url: "https://pub.dev" 10 | source: hosted 11 | version: "2.11.0" 12 | boolean_selector: 13 | dependency: transitive 14 | description: 15 | name: boolean_selector 16 | sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66" 17 | url: "https://pub.dev" 18 | source: hosted 19 | version: "2.1.1" 20 | characters: 21 | dependency: transitive 22 | description: 23 | name: characters 24 | sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605" 25 | url: "https://pub.dev" 26 | source: hosted 27 | version: "1.3.0" 28 | clock: 29 | dependency: transitive 30 | description: 31 | name: clock 32 | sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf 33 | url: "https://pub.dev" 34 | source: hosted 35 | version: "1.1.1" 36 | collection: 37 | dependency: transitive 38 | description: 39 | name: collection 40 | sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a 41 | url: "https://pub.dev" 42 | source: hosted 43 | version: "1.18.0" 44 | cross_file: 45 | dependency: transitive 46 | description: 47 | name: cross_file 48 | sha256: "7caf6a750a0c04effbb52a676dce9a4a592e10ad35c34d6d2d0e4811160d5670" 49 | url: "https://pub.dev" 50 | source: hosted 51 | version: "0.3.4+2" 52 | cupertino_icons: 53 | dependency: "direct main" 54 | description: 55 | name: cupertino_icons 56 | sha256: ba631d1c7f7bef6b729a622b7b752645a2d076dba9976925b8f25725a30e1ee6 57 | url: "https://pub.dev" 58 | source: hosted 59 | version: "1.0.8" 60 | fake_async: 61 | dependency: transitive 62 | description: 63 | name: fake_async 64 | sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78" 65 | url: "https://pub.dev" 66 | source: hosted 67 | version: "1.3.1" 68 | fast_image_compress: 69 | dependency: "direct main" 70 | description: 71 | path: ".." 72 | relative: true 73 | source: path 74 | version: "0.0.1" 75 | file: 76 | dependency: transitive 77 | description: 78 | name: file 79 | sha256: "5fc22d7c25582e38ad9a8515372cd9a93834027aacf1801cf01164dac0ffa08c" 80 | url: "https://pub.dev" 81 | source: hosted 82 | version: "7.0.0" 83 | file_selector_linux: 84 | dependency: transitive 85 | description: 86 | name: file_selector_linux 87 | sha256: "54cbbd957e1156d29548c7d9b9ec0c0ebb6de0a90452198683a7d23aed617a33" 88 | url: "https://pub.dev" 89 | source: hosted 90 | version: "0.9.3+2" 91 | file_selector_macos: 92 | dependency: transitive 93 | description: 94 | name: file_selector_macos 95 | sha256: "271ab9986df0c135d45c3cdb6bd0faa5db6f4976d3e4b437cf7d0f258d941bfc" 96 | url: "https://pub.dev" 97 | source: hosted 98 | version: "0.9.4+2" 99 | file_selector_platform_interface: 100 | dependency: transitive 101 | description: 102 | name: file_selector_platform_interface 103 | sha256: a3994c26f10378a039faa11de174d7b78eb8f79e4dd0af2a451410c1a5c3f66b 104 | url: "https://pub.dev" 105 | source: hosted 106 | version: "2.6.2" 107 | file_selector_windows: 108 | dependency: transitive 109 | description: 110 | name: file_selector_windows 111 | sha256: "8f5d2f6590d51ecd9179ba39c64f722edc15226cc93dcc8698466ad36a4a85a4" 112 | url: "https://pub.dev" 113 | source: hosted 114 | version: "0.9.3+3" 115 | flutter: 116 | dependency: "direct main" 117 | description: flutter 118 | source: sdk 119 | version: "0.0.0" 120 | flutter_driver: 121 | dependency: transitive 122 | description: flutter 123 | source: sdk 124 | version: "0.0.0" 125 | flutter_lints: 126 | dependency: "direct dev" 127 | description: 128 | name: flutter_lints 129 | sha256: "3f41d009ba7172d5ff9be5f6e6e6abb4300e263aab8866d2a0842ed2a70f8f0c" 130 | url: "https://pub.dev" 131 | source: hosted 132 | version: "4.0.0" 133 | flutter_plugin_android_lifecycle: 134 | dependency: transitive 135 | description: 136 | name: flutter_plugin_android_lifecycle 137 | sha256: "9b78450b89f059e96c9ebb355fa6b3df1d6b330436e0b885fb49594c41721398" 138 | url: "https://pub.dev" 139 | source: hosted 140 | version: "2.0.23" 141 | flutter_test: 142 | dependency: "direct dev" 143 | description: flutter 144 | source: sdk 145 | version: "0.0.0" 146 | flutter_web_plugins: 147 | dependency: transitive 148 | description: flutter 149 | source: sdk 150 | version: "0.0.0" 151 | fuchsia_remote_debug_protocol: 152 | dependency: transitive 153 | description: flutter 154 | source: sdk 155 | version: "0.0.0" 156 | http: 157 | dependency: transitive 158 | description: 159 | name: http 160 | sha256: b9c29a161230ee03d3ccf545097fccd9b87a5264228c5d348202e0f0c28f9010 161 | url: "https://pub.dev" 162 | source: hosted 163 | version: "1.2.2" 164 | http_parser: 165 | dependency: transitive 166 | description: 167 | name: http_parser 168 | sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b" 169 | url: "https://pub.dev" 170 | source: hosted 171 | version: "4.0.2" 172 | image_picker: 173 | dependency: "direct main" 174 | description: 175 | name: image_picker 176 | sha256: "021834d9c0c3de46bf0fe40341fa07168407f694d9b2bb18d532dc1261867f7a" 177 | url: "https://pub.dev" 178 | source: hosted 179 | version: "1.1.2" 180 | image_picker_android: 181 | dependency: transitive 182 | description: 183 | name: image_picker_android 184 | sha256: fa8141602fde3f7e2f81dbf043613eb44dfa325fa0bcf93c0f142c9f7a2c193e 185 | url: "https://pub.dev" 186 | source: hosted 187 | version: "0.8.12+18" 188 | image_picker_for_web: 189 | dependency: transitive 190 | description: 191 | name: image_picker_for_web 192 | sha256: "717eb042ab08c40767684327be06a5d8dbb341fe791d514e4b92c7bbe1b7bb83" 193 | url: "https://pub.dev" 194 | source: hosted 195 | version: "3.0.6" 196 | image_picker_ios: 197 | dependency: transitive 198 | description: 199 | name: image_picker_ios 200 | sha256: "4f0568120c6fcc0aaa04511cb9f9f4d29fc3d0139884b1d06be88dcec7641d6b" 201 | url: "https://pub.dev" 202 | source: hosted 203 | version: "0.8.12+1" 204 | image_picker_linux: 205 | dependency: transitive 206 | description: 207 | name: image_picker_linux 208 | sha256: "4ed1d9bb36f7cd60aa6e6cd479779cc56a4cb4e4de8f49d487b1aaad831300fa" 209 | url: "https://pub.dev" 210 | source: hosted 211 | version: "0.2.1+1" 212 | image_picker_macos: 213 | dependency: transitive 214 | description: 215 | name: image_picker_macos 216 | sha256: "3f5ad1e8112a9a6111c46d0b57a7be2286a9a07fc6e1976fdf5be2bd31d4ff62" 217 | url: "https://pub.dev" 218 | source: hosted 219 | version: "0.2.1+1" 220 | image_picker_platform_interface: 221 | dependency: transitive 222 | description: 223 | name: image_picker_platform_interface 224 | sha256: "9ec26d410ff46f483c5519c29c02ef0e02e13a543f882b152d4bfd2f06802f80" 225 | url: "https://pub.dev" 226 | source: hosted 227 | version: "2.10.0" 228 | image_picker_windows: 229 | dependency: transitive 230 | description: 231 | name: image_picker_windows 232 | sha256: "6ad07afc4eb1bc25f3a01084d28520496c4a3bb0cb13685435838167c9dcedeb" 233 | url: "https://pub.dev" 234 | source: hosted 235 | version: "0.2.1+1" 236 | integration_test: 237 | dependency: "direct dev" 238 | description: flutter 239 | source: sdk 240 | version: "0.0.0" 241 | leak_tracker: 242 | dependency: transitive 243 | description: 244 | name: leak_tracker 245 | sha256: "3f87a60e8c63aecc975dda1ceedbc8f24de75f09e4856ea27daf8958f2f0ce05" 246 | url: "https://pub.dev" 247 | source: hosted 248 | version: "10.0.5" 249 | leak_tracker_flutter_testing: 250 | dependency: transitive 251 | description: 252 | name: leak_tracker_flutter_testing 253 | sha256: "932549fb305594d82d7183ecd9fa93463e9914e1b67cacc34bc40906594a1806" 254 | url: "https://pub.dev" 255 | source: hosted 256 | version: "3.0.5" 257 | leak_tracker_testing: 258 | dependency: transitive 259 | description: 260 | name: leak_tracker_testing 261 | sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3" 262 | url: "https://pub.dev" 263 | source: hosted 264 | version: "3.0.1" 265 | lints: 266 | dependency: transitive 267 | description: 268 | name: lints 269 | sha256: "976c774dd944a42e83e2467f4cc670daef7eed6295b10b36ae8c85bcbf828235" 270 | url: "https://pub.dev" 271 | source: hosted 272 | version: "4.0.0" 273 | matcher: 274 | dependency: transitive 275 | description: 276 | name: matcher 277 | sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb 278 | url: "https://pub.dev" 279 | source: hosted 280 | version: "0.12.16+1" 281 | material_color_utilities: 282 | dependency: transitive 283 | description: 284 | name: material_color_utilities 285 | sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec 286 | url: "https://pub.dev" 287 | source: hosted 288 | version: "0.11.1" 289 | meta: 290 | dependency: transitive 291 | description: 292 | name: meta 293 | sha256: bdb68674043280c3428e9ec998512fb681678676b3c54e773629ffe74419f8c7 294 | url: "https://pub.dev" 295 | source: hosted 296 | version: "1.15.0" 297 | mime: 298 | dependency: transitive 299 | description: 300 | name: mime 301 | sha256: "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6" 302 | url: "https://pub.dev" 303 | source: hosted 304 | version: "2.0.0" 305 | path: 306 | dependency: transitive 307 | description: 308 | name: path 309 | sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af" 310 | url: "https://pub.dev" 311 | source: hosted 312 | version: "1.9.0" 313 | platform: 314 | dependency: transitive 315 | description: 316 | name: platform 317 | sha256: "9b71283fc13df574056616011fb138fd3b793ea47cc509c189a6c3fa5f8a1a65" 318 | url: "https://pub.dev" 319 | source: hosted 320 | version: "3.1.5" 321 | plugin_platform_interface: 322 | dependency: transitive 323 | description: 324 | name: plugin_platform_interface 325 | sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02" 326 | url: "https://pub.dev" 327 | source: hosted 328 | version: "2.1.8" 329 | process: 330 | dependency: transitive 331 | description: 332 | name: process 333 | sha256: "21e54fd2faf1b5bdd5102afd25012184a6793927648ea81eea80552ac9405b32" 334 | url: "https://pub.dev" 335 | source: hosted 336 | version: "5.0.2" 337 | sky_engine: 338 | dependency: transitive 339 | description: flutter 340 | source: sdk 341 | version: "0.0.99" 342 | source_span: 343 | dependency: transitive 344 | description: 345 | name: source_span 346 | sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c" 347 | url: "https://pub.dev" 348 | source: hosted 349 | version: "1.10.0" 350 | stack_trace: 351 | dependency: transitive 352 | description: 353 | name: stack_trace 354 | sha256: "73713990125a6d93122541237550ee3352a2d84baad52d375a4cad2eb9b7ce0b" 355 | url: "https://pub.dev" 356 | source: hosted 357 | version: "1.11.1" 358 | stream_channel: 359 | dependency: transitive 360 | description: 361 | name: stream_channel 362 | sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7 363 | url: "https://pub.dev" 364 | source: hosted 365 | version: "2.1.2" 366 | string_scanner: 367 | dependency: transitive 368 | description: 369 | name: string_scanner 370 | sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde" 371 | url: "https://pub.dev" 372 | source: hosted 373 | version: "1.2.0" 374 | sync_http: 375 | dependency: transitive 376 | description: 377 | name: sync_http 378 | sha256: "7f0cd72eca000d2e026bcd6f990b81d0ca06022ef4e32fb257b30d3d1014a961" 379 | url: "https://pub.dev" 380 | source: hosted 381 | version: "0.3.1" 382 | term_glyph: 383 | dependency: transitive 384 | description: 385 | name: term_glyph 386 | sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84 387 | url: "https://pub.dev" 388 | source: hosted 389 | version: "1.2.1" 390 | test_api: 391 | dependency: transitive 392 | description: 393 | name: test_api 394 | sha256: "5b8a98dafc4d5c4c9c72d8b31ab2b23fc13422348d2997120294d3bac86b4ddb" 395 | url: "https://pub.dev" 396 | source: hosted 397 | version: "0.7.2" 398 | typed_data: 399 | dependency: transitive 400 | description: 401 | name: typed_data 402 | sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006 403 | url: "https://pub.dev" 404 | source: hosted 405 | version: "1.4.0" 406 | vector_math: 407 | dependency: transitive 408 | description: 409 | name: vector_math 410 | sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803" 411 | url: "https://pub.dev" 412 | source: hosted 413 | version: "2.1.4" 414 | vm_service: 415 | dependency: transitive 416 | description: 417 | name: vm_service 418 | sha256: "5c5f338a667b4c644744b661f309fb8080bb94b18a7e91ef1dbd343bed00ed6d" 419 | url: "https://pub.dev" 420 | source: hosted 421 | version: "14.2.5" 422 | web: 423 | dependency: transitive 424 | description: 425 | name: web 426 | sha256: cd3543bd5798f6ad290ea73d210f423502e71900302dde696f8bff84bf89a1cb 427 | url: "https://pub.dev" 428 | source: hosted 429 | version: "1.1.0" 430 | webdriver: 431 | dependency: transitive 432 | description: 433 | name: webdriver 434 | sha256: "003d7da9519e1e5f329422b36c4dcdf18d7d2978d1ba099ea4e45ba490ed845e" 435 | url: "https://pub.dev" 436 | source: hosted 437 | version: "3.0.3" 438 | sdks: 439 | dart: ">=3.5.3 <4.0.0" 440 | flutter: ">=3.24.0" 441 | -------------------------------------------------------------------------------- /example/pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: fast_image_compress_example 2 | description: "Demonstrates how to use the fast_image_compress plugin." 3 | # The following line prevents the package from being accidentally published to 4 | # pub.dev using `flutter pub publish`. This is preferred for private packages. 5 | publish_to: 'none' # Remove this line if you wish to publish to pub.dev 6 | 7 | environment: 8 | sdk: ^3.5.3 9 | 10 | # Dependencies specify other packages that your package needs in order to work. 11 | # To automatically upgrade your package dependencies to the latest versions 12 | # consider running `flutter pub upgrade --major-versions`. Alternatively, 13 | # dependencies can be manually updated by changing the version numbers below to 14 | # the latest version available on pub.dev. To see which dependencies have newer 15 | # versions available, run `flutter pub outdated`. 16 | dependencies: 17 | flutter: 18 | sdk: flutter 19 | 20 | fast_image_compress: 21 | # When depending on this package from a real application you should use: 22 | # fast_image_compress: ^x.y.z 23 | # See https://dart.dev/tools/pub/dependencies#version-constraints 24 | # The example app is bundled with the plugin so we use a path dependency on 25 | # the parent directory to use the current plugin's version. 26 | path: ../ 27 | 28 | # The following adds the Cupertino Icons font to your application. 29 | # Use with the CupertinoIcons class for iOS style icons. 30 | cupertino_icons: ^1.0.8 31 | image_picker: 32 | 33 | dev_dependencies: 34 | integration_test: 35 | sdk: flutter 36 | flutter_test: 37 | sdk: flutter 38 | 39 | # The "flutter_lints" package below contains a set of recommended lints to 40 | # encourage good coding practices. The lint set provided by the package is 41 | # activated in the `analysis_options.yaml` file located at the root of your 42 | # package. See that file for information about deactivating specific lint 43 | # rules and activating additional ones. 44 | flutter_lints: ^4.0.0 45 | 46 | # For information on the generic Dart part of this file, see the 47 | # following page: https://dart.dev/tools/pub/pubspec 48 | 49 | # The following section is specific to Flutter packages. 50 | flutter: 51 | 52 | # The following line ensures that the Material Icons font is 53 | # included with your application, so that you can use the icons in 54 | # the material Icons class. 55 | uses-material-design: true 56 | 57 | # To add assets to your application, add an assets section, like this: 58 | # assets: 59 | # - images/a_dot_burr.jpeg 60 | # - images/a_dot_ham.jpeg 61 | 62 | # An image asset can refer to one or more resolution-specific "variants", see 63 | # https://flutter.dev/to/resolution-aware-images 64 | 65 | # For details regarding adding assets from package dependencies, see 66 | # https://flutter.dev/to/asset-from-package 67 | 68 | # To add custom fonts to your application, add a fonts section here, 69 | # in this "flutter" section. Each entry in this list should have a 70 | # "family" key with the font family name, and a "fonts" key with a 71 | # list giving the asset and other descriptors for the font. For 72 | # example: 73 | # fonts: 74 | # - family: Schyler 75 | # fonts: 76 | # - asset: fonts/Schyler-Regular.ttf 77 | # - asset: fonts/Schyler-Italic.ttf 78 | # style: italic 79 | # - family: Trajan Pro 80 | # fonts: 81 | # - asset: fonts/TrajanPro.ttf 82 | # - asset: fonts/TrajanPro_Bold.ttf 83 | # weight: 700 84 | # 85 | # For details regarding fonts from package dependencies, 86 | # see https://flutter.dev/to/font-from-package 87 | -------------------------------------------------------------------------------- /example/test/widget_test.dart: -------------------------------------------------------------------------------- 1 | // This is a basic Flutter widget test. 2 | // 3 | // To perform an interaction with a widget in your test, use the WidgetTester 4 | // utility in the flutter_test package. For example, you can send tap and scroll 5 | // gestures. You can also use WidgetTester to find child widgets in the widget 6 | // tree, read text, and verify that the values of widget properties are correct. 7 | 8 | import 'package:flutter/material.dart'; 9 | import 'package:flutter_test/flutter_test.dart'; 10 | 11 | import 'package:fast_image_compress_example/main.dart'; 12 | 13 | void main() { 14 | testWidgets('Verify Platform version', (WidgetTester tester) async { 15 | // Build our app and trigger a frame. 16 | await tester.pumpWidget(const MyApp()); 17 | 18 | // Verify that platform version is retrieved. 19 | expect( 20 | find.byWidgetPredicate( 21 | (Widget widget) => 22 | widget is Text && widget.data!.startsWith('Running on:'), 23 | ), 24 | findsOneWidget, 25 | ); 26 | }); 27 | } 28 | -------------------------------------------------------------------------------- /ios/.gitignore: -------------------------------------------------------------------------------- 1 | .idea/ 2 | .vagrant/ 3 | .sconsign.dblite 4 | .svn/ 5 | 6 | .DS_Store 7 | *.swp 8 | profile 9 | 10 | DerivedData/ 11 | build/ 12 | GeneratedPluginRegistrant.h 13 | GeneratedPluginRegistrant.m 14 | 15 | .generated/ 16 | 17 | *.pbxuser 18 | *.mode1v3 19 | *.mode2v3 20 | *.perspectivev3 21 | 22 | !default.pbxuser 23 | !default.mode1v3 24 | !default.mode2v3 25 | !default.perspectivev3 26 | 27 | xcuserdata 28 | 29 | *.moved-aside 30 | 31 | *.pyc 32 | *sync/ 33 | Icon? 34 | .tags* 35 | 36 | /Flutter/Generated.xcconfig 37 | /Flutter/ephemeral/ 38 | /Flutter/flutter_export_environment.sh 39 | PrivacyInfo.xcprivacy 40 | 41 | -------------------------------------------------------------------------------- /ios/Classes/FastImageCompressPlugin.swift: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (c) 2021 Simform Solutions 3 | * 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy 5 | * of this software and associated documentation files (the "Software"), to deal 6 | * in the Software without restriction, including without limitation the rights 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 | * copies of the Software, and to permit persons to whom the Software is 9 | * furnished to do so, subject to the following conditions: 10 | * 11 | * The above copyright notice and this permission notice shall be 12 | * included in all copies or substantial portions of the Software. 13 | * 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 | * SOFTWARE. 21 | */ 22 | 23 | import Flutter 24 | import UIKit 25 | 26 | // Define constants used throughout the plugin 27 | enum Constants{ 28 | static let methodChannelName = "com.simform.fast_image_compress/compression" 29 | static let compressionMethodName = "compressImage" 30 | static let cancelCompressionMethodName = "cancelCompression" 31 | static let imageData = "imageData" 32 | static let targetWidth = "targetWidth" 33 | static let compressionQuality = "compressionQuality" 34 | static let imageQuality = "imageQuality" 35 | static let high = "high" 36 | static let low = "low" 37 | static let medium = "medium" 38 | } 39 | 40 | // Enum to represent image quality levels and their associated downscaling factors 41 | enum ImageQuality { 42 | case low, medium, high 43 | 44 | var sampleFactor: CGFloat { 45 | switch self { 46 | case .low: return 4.0 47 | case .medium: return 2.0 48 | case .high: return 1.0 49 | } 50 | } 51 | } 52 | 53 | // Main plugin class that implements the FlutterPlugin protocol 54 | public class FastImageCompressPlugin: NSObject, FlutterPlugin { 55 | private var isCancelled = false // Flag to track cancellation of ongoing compression 56 | 57 | // Registers the plugin with the Flutter framework 58 | public static func register(with registrar: FlutterPluginRegistrar) { 59 | let channel = FlutterMethodChannel(name: Constants.methodChannelName, binaryMessenger: registrar.messenger()) 60 | let instance = FastImageCompressPlugin() 61 | registrar.addMethodCallDelegate(instance, channel: channel) 62 | } 63 | 64 | // Handles method calls from Flutter 65 | public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) { 66 | switch call.method { 67 | case Constants.compressionMethodName: 68 | handleCompression(call: call, result: result) // Handle image compression 69 | case Constants.cancelCompressionMethodName: 70 | handleCancellation(result: result) // Handle cancellation of compression 71 | default: 72 | result(FlutterMethodNotImplemented) // Return not implemented for unknown methods 73 | } 74 | } 75 | 76 | // MARK: - Handlers 77 | 78 | // Handles the image compression logic 79 | private func handleCompression(call: FlutterMethodCall, result: @escaping FlutterResult) { 80 | // Validate and extract arguments from the method call 81 | guard let args = call.arguments as? [String: Any], 82 | let imageData = args[Constants.imageData] as? FlutterStandardTypedData, 83 | let imageQualityInString = args[Constants.imageQuality] as? String else { 84 | result(FlutterError(code: "INVALID_ARGS", message: "Invalid arguments provided", details: nil)) 85 | return 86 | } 87 | 88 | // Optional arguments for compression quality and target width 89 | let compressionQuality = args[Constants.compressionQuality] as? Int 90 | let targetWidth = args[Constants.targetWidth] as? Int 91 | 92 | // Determine the image quality based on the provided string 93 | let imageQuality: ImageQuality = { 94 | switch imageQualityInString { 95 | case Constants.high: return .high 96 | case Constants.low: return .low 97 | default: return .medium 98 | } 99 | }() 100 | 101 | isCancelled = false // Reset cancellation flag 102 | // Start resizing and compressing the image 103 | resizeImage(imageData: imageData.data, targetWidth: targetWidth, compressionQuality: compressionQuality, imageQuality: imageQuality, result: result) 104 | } 105 | 106 | // Handles the cancellation of image compression 107 | private func handleCancellation(result: @escaping FlutterResult) { 108 | isCancelled = true // Set the cancellation flag 109 | result(nil) // Acknowledge the cancellation to Flutter 110 | } 111 | 112 | // MARK: - Image Processing 113 | 114 | // Resizes the image and compresses it based on the provided parameters 115 | private func resizeImage(imageData: Data, targetWidth: Int?, compressionQuality: Int? = 80, imageQuality: ImageQuality, result: FlutterResult) { 116 | // Decode the image data into a UIImage 117 | guard let image = UIImage(data: imageData) else { 118 | result(FlutterError(code: "INVALID_IMAGE", message: "Unable to decode image data", details: nil)) 119 | return 120 | } 121 | 122 | // Resize the image 123 | let resizedImage = createResizedImage(image: image, targetWidth: targetWidth, imageQuality: imageQuality) 124 | guard let finalImage = resizedImage else { 125 | result(FlutterError(code: "IMAGE_PROCESSING_FAILED", message: "Unable to resize image", details: nil)) 126 | return 127 | } 128 | 129 | // Compress the resized image 130 | compressImage(finalImage: finalImage, imageData: imageData, compressionQuality: compressionQuality, result: result) 131 | } 132 | 133 | // Resizes the image to the target width and quality 134 | private func createResizedImage(image: UIImage, targetWidth: Int?, imageQuality: ImageQuality) -> UIImage? { 135 | let factor = imageQuality.sampleFactor // Get the downscaling factor based on quality 136 | var adjustedWidth = image.size.width / factor 137 | 138 | // Adjust the width if a specific target width is provided 139 | if let targetWidth = targetWidth, targetWidth < Int(image.size.width) { 140 | adjustedWidth = CGFloat(targetWidth) 141 | } 142 | 143 | // Calculate the scale and adjusted height 144 | let scale = adjustedWidth / image.size.width 145 | let adjustedHeight = image.size.height * scale 146 | 147 | // Perform the resizing operation 148 | UIGraphicsBeginImageContext(CGSize(width: adjustedWidth, height: adjustedHeight)) 149 | image.draw(in: CGRect(x: 0, y: 0, width: adjustedWidth, height: adjustedHeight)) 150 | let resizedImage = UIGraphicsGetImageFromCurrentImageContext() 151 | UIGraphicsEndImageContext() 152 | 153 | return resizedImage 154 | } 155 | 156 | // Compresses the resized image and returns the compressed data 157 | private func compressImage(finalImage: UIImage, imageData: Data, compressionQuality: Int?, result: FlutterResult) { 158 | var quality = Double(compressionQuality ?? 80) / 100.0 // Default quality is 80% 159 | var compressedData = finalImage.jpegData(compressionQuality: quality) 160 | 161 | let inputImageSize = imageData.count 162 | var outputImageSize = compressedData?.count ?? Int.max 163 | 164 | // To avoid increasing the size of an already compressed image, compare 165 | // input and output sizes, and use lower compression quality if needed. 166 | if outputImageSize > inputImageSize { 167 | compressedData = performIterativeCompression(finalImage: finalImage, inputImageSize: inputImageSize, initialQuality: quality) 168 | } 169 | 170 | // Return the compressed data or an error if compression failed 171 | if let compressedData = compressedData { 172 | result(FlutterStandardTypedData(bytes: compressedData)) 173 | } else { 174 | result(FlutterError(code: "COMPRESSION_FAILED", message: "Failed to compress image", details: nil)) 175 | } 176 | } 177 | 178 | // Performs iterative compression to reduce the image size 179 | private func performIterativeCompression(finalImage: UIImage, inputImageSize: Int, initialQuality: Double) -> Data? { 180 | var quality = initialQuality 181 | var updatedCompQuality = Int(quality * 100) 182 | var compressedData: Data? 183 | 184 | // Reduce quality in steps of 10 until the size is acceptable or the minimum quality is reached 185 | repeat { 186 | if isCancelled { return nil } // Exit if the operation is cancelled 187 | 188 | updatedCompQuality -= 10 189 | quality = Double(updatedCompQuality) / 100.0 190 | compressedData = finalImage.jpegData(compressionQuality: quality) 191 | } while (compressedData?.count ?? Int.max) > inputImageSize && updatedCompQuality >= 10 192 | 193 | return updatedCompQuality < 10 ? nil : compressedData 194 | } 195 | } 196 | -------------------------------------------------------------------------------- /ios/fast_image_compress.podspec: -------------------------------------------------------------------------------- 1 | # 2 | # To learn more about a Podspec see http://guides.cocoapods.org/syntax/podspec.html. 3 | # Run `pod lib lint fast_image_compress.podspec` to validate before publishing. 4 | # 5 | Pod::Spec.new do |s| 6 | s.name = 'fast_image_compress' 7 | s.version = '0.0.1' 8 | s.summary = 'A Flutter plugin for fast image compression.' 9 | s.description = <<-DESC 10 | A fast image compression plugin which performs compression on large images in parallel. 11 | DESC 12 | s.homepage = 'http://example.com' 13 | s.license = { :file => '../LICENSE' } 14 | s.author = { 'Simform Solutions' => 'developer@simform.com'} 15 | s.source = { :http => 'https://github.com/SimformSolutionsPvtLtd/fast_image_compress/tree/master' } 16 | s.source_files = 'Classes/**/*' 17 | s.dependency 'Flutter' 18 | s.platform = :ios, '12.0' 19 | 20 | # Flutter.framework does not contain a i386 slice. 21 | s.pod_target_xcconfig = { 'DEFINES_MODULE' => 'YES', 'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386' } 22 | s.swift_version = '5.0' 23 | 24 | # If your plugin requires a privacy manifest, for example if it uses any 25 | # required reason APIs, update the PrivacyInfo.xcprivacy file to describe your 26 | # plugin's privacy impact, and then uncomment this line. For more information, 27 | # see https://developer.apple.com/documentation/bundleresources/privacy_manifest_files 28 | # s.resource_bundles = {'fast_image_compress_privacy' => ['Resources/PrivacyInfo.xcprivacy']} 29 | end 30 | -------------------------------------------------------------------------------- /lib/fast_image_compress.dart: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (c) 2021 Simform Solutions 3 | * 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy 5 | * of this software and associated documentation files (the "Software"), to deal 6 | * in the Software without restriction, including without limitation the rights 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 | * copies of the Software, and to permit persons to whom the Software is 9 | * furnished to do so, subject to the following conditions: 10 | * 11 | * The above copyright notice and this permission notice shall be 12 | * included in all copies or substantial portions of the Software. 13 | * 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 | * SOFTWARE. 21 | */ 22 | 23 | library fast_image_compress; 24 | 25 | export 'src/fast_image_compress.dart'; 26 | export 'src/image_compression_service.dart'; 27 | export 'src/fast_image_compress/fast_image_compress_method_channel.dart'; 28 | export 'src/fast_image_compress/fast_image_compress_platform_interface.dart'; 29 | -------------------------------------------------------------------------------- /lib/src/fast_image_compress.dart: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (c) 2021 Simform Solutions 3 | * 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy 5 | * of this software and associated documentation files (the "Software"), to deal 6 | * in the Software without restriction, including without limitation the rights 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 | * copies of the Software, and to permit persons to whom the Software is 9 | * furnished to do so, subject to the following conditions: 10 | * 11 | * The above copyright notice and this permission notice shall be 12 | * included in all copies or substantial portions of the Software. 13 | * 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 | * SOFTWARE. 21 | */ 22 | 23 | import 'dart:async'; 24 | import 'dart:typed_data'; 25 | 26 | import '../fast_image_compress.dart'; 27 | 28 | class FastImageCompress { 29 | final ImageCompressionService _compressionService = ImageCompressionService(); 30 | 31 | /// Get the platform version (already implemented) 32 | Future getPlatformVersion() { 33 | return FastImageCompressPlatform.instance.getPlatformVersion(); 34 | } 35 | 36 | final StreamController _progressController = 37 | StreamController.broadcast(); 38 | final StreamController _compressImageStreamController = 39 | StreamController.broadcast(); 40 | int _completedCount = 0; 41 | bool isCompressionCancelled = false; 42 | 43 | /// Get image compression progress stream 44 | Stream get progressStream => _progressController.stream; 45 | 46 | Stream get compressedImageStream => 47 | _compressImageStreamController.stream; 48 | 49 | /// Compresses a single image. 50 | /// 51 | /// This function compresses a single image based on the specified quality, 52 | /// target width, and image quality level. It returns the compressed image 53 | /// data or `null` if the compression is cancelled. 54 | /// 55 | /// - [imageData]: The image data as a `Uint8List` to be compressed. 56 | /// - [quality]: The compression quality percentage (default is 80). 57 | /// Must be a value between 0 and 100, where 100 represents the highest quality. 58 | /// - [targetWidth]: The desired width for the compressed image (default is 500). 59 | /// The height will be scaled proportionally to maintain the aspect ratio. 60 | /// - [imageQuality]: The quality of the image to undergo compression. This can be 61 | /// `ImageQuality.high`, `ImageQuality.medium`, or `ImageQuality.low` (default is `ImageQuality.medium`). 62 | /// 63 | /// ### Returns: 64 | /// A `Future` that resolves to the compressed image data as a `Uint8List`, 65 | /// or `null` if the compression is cancelled. 66 | /// 67 | /// ### Throws: 68 | /// - An `AssertionError` if: 69 | /// - [quality] is not between 0 and 100. 70 | /// - [targetWidth] is less than 1. 71 | /// 72 | /// ### Notes: 73 | /// - If `isCompressionCancelled` is set to `true` before or during execution, 74 | /// the function will reset the flag and return `null`. 75 | Future? compressImage({ 76 | required Uint8List imageData, 77 | int quality = 60, 78 | int? targetWidth = 500, 79 | ImageQuality imageQuality = ImageQuality.medium, 80 | }) { 81 | assert( 82 | quality > 0 || quality < 100, 83 | 'quality value should be between 0 to 100', 84 | ); 85 | if (targetWidth != null) { 86 | assert(targetWidth > 1, "targetWidth can't be less than 1"); 87 | } 88 | 89 | if (isCompressionCancelled) { 90 | isCompressionCancelled = false; 91 | return null; 92 | } 93 | return _compressionService.compressImage( 94 | imageData, 95 | quality, 96 | targetWidth, 97 | imageQuality, 98 | ); 99 | } 100 | 101 | /// Compresses a list of images in batches. 102 | /// 103 | /// This function processes a list of images, compressing them based on the 104 | /// specified quality, target width, and image quality level. Images are 105 | /// processed in parallel batches to optimize performance. 106 | /// 107 | /// - [images]: A list of `Uint8List` objects representing the images to be compressed. 108 | /// - [quality]: The compression quality percentage (default is 80). 109 | /// Must be a value between 0 and 100, where 100 represents the highest quality. 110 | /// - [targetWidth]: The desired width for the compressed images (default is 500). 111 | /// The height will be scaled proportionally to maintain the aspect ratio. 112 | /// - [batchSize]: The number of images to process simultaneously in a batch (default is 3). 113 | /// Must be at least 1. 114 | /// - [imageQuality]: The quality of the image to undergo compression. This can be 115 | /// `ImageQuality.high`, `ImageQuality.medium`, or `ImageQuality.low` (default is `ImageQuality.medium`). 116 | /// 117 | /// ### Returns: 118 | /// A `Future` that resolves to a `List` containing the compressed images. 119 | /// 120 | /// ### Throws: 121 | /// - An `AssertionError` if: 122 | /// - [quality] is not between 0 and 100. 123 | /// - [targetWidth] is less than 1. 124 | /// - [batchSize] is less than 1. 125 | /// 126 | /// ### Notes: 127 | /// - Compression can be cancelled during execution by setting `isCompressionCancelled` 128 | /// to `true`. Cancelled images will not be included in the result. 129 | /// - Progress of the compression process is reported via the `_progressController`. 130 | Future> compressImageList({ 131 | required List images, 132 | int quality = 60, 133 | int? targetWidth, 134 | int batchSize = 3, 135 | ImageQuality imageQuality = ImageQuality.medium, 136 | }) async { 137 | assert( 138 | quality > 0 || quality < 100, 139 | 'quality value should be between 0 to 100', 140 | ); 141 | if (targetWidth != null) { 142 | assert(targetWidth > 1, "targetWidth can't be less than 1"); 143 | } 144 | assert(batchSize >= 1, "batchSize should be greater than or equal to 1"); 145 | List compressedImages = []; 146 | _completedCount = 0; 147 | 148 | for (var i = 0; i < images.length; i += batchSize) { 149 | final batch = images.skip(i).take(batchSize).toList(); 150 | 151 | await Future.wait(batch.map((image) async { 152 | if (isCompressionCancelled) return; 153 | final compressedImage = await _compressionService.compressImage( 154 | image, 155 | quality, 156 | targetWidth, 157 | imageQuality, 158 | ); 159 | if (compressedImage != null) { 160 | compressedImages.add(compressedImage); 161 | _completedCount++; 162 | _progressController.add(_completedCount); 163 | _compressImageStreamController.add(compressedImage); 164 | } 165 | })); 166 | } 167 | isCompressionCancelled = false; 168 | return compressedImages; 169 | } 170 | 171 | /// Cancels the ongoing image compression process. 172 | Future cancelCompression() async { 173 | isCompressionCancelled = true; 174 | await _compressionService.cancelCompression(); 175 | } 176 | 177 | /// Dispose resources 178 | void dispose() { 179 | _progressController.close(); 180 | _compressImageStreamController.close(); 181 | _compressionService.dispose(); 182 | } 183 | } 184 | -------------------------------------------------------------------------------- /lib/src/fast_image_compress/fast_image_compress_method_channel.dart: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (c) 2021 Simform Solutions 3 | * 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy 5 | * of this software and associated documentation files (the "Software"), to deal 6 | * in the Software without restriction, including without limitation the rights 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 | * copies of the Software, and to permit persons to whom the Software is 9 | * furnished to do so, subject to the following conditions: 10 | * 11 | * The above copyright notice and this permission notice shall be 12 | * included in all copies or substantial portions of the Software. 13 | * 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 | * SOFTWARE. 21 | */ 22 | 23 | import 'package:flutter/foundation.dart'; 24 | import 'package:flutter/services.dart'; 25 | 26 | import 'fast_image_compress_platform_interface.dart'; 27 | 28 | /// An implementation of [FastImageCompressPlatform] that uses method channels. 29 | class MethodChannelFastImageCompress extends FastImageCompressPlatform { 30 | /// The method channel used to interact with the native platform. 31 | @visibleForTesting 32 | final methodChannel = const MethodChannel('fast_image_compress'); 33 | 34 | @override 35 | Future getPlatformVersion() async { 36 | final version = 37 | await methodChannel.invokeMethod('getPlatformVersion'); 38 | return version; 39 | } 40 | 41 | @override 42 | Future compressImage( 43 | Uint8List imageData, 44 | int? targetWidth, 45 | int compressionQuality, 46 | String imageQuality, 47 | ) async { 48 | try { 49 | final result = await methodChannel.invokeMethod( 50 | 'compressImage', 51 | { 52 | 'imageData': imageData, 53 | 'targetWidth': targetWidth, 54 | 'compressionQuality': compressionQuality, 55 | 'imageQuality': imageQuality, 56 | }, 57 | ); 58 | return result; 59 | } catch (e) { 60 | // Handle any exceptions that might occur 61 | throw PlatformException( 62 | code: 'COMPRESS_IMAGE_FAILED', 63 | message: 'Failed to compress the image: $e', 64 | ); 65 | } 66 | } 67 | } 68 | -------------------------------------------------------------------------------- /lib/src/fast_image_compress/fast_image_compress_platform_interface.dart: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (c) 2021 Simform Solutions 3 | * 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy 5 | * of this software and associated documentation files (the "Software"), to deal 6 | * in the Software without restriction, including without limitation the rights 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 | * copies of the Software, and to permit persons to whom the Software is 9 | * furnished to do so, subject to the following conditions: 10 | * 11 | * The above copyright notice and this permission notice shall be 12 | * included in all copies or substantial portions of the Software. 13 | * 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 | * SOFTWARE. 21 | */ 22 | 23 | import 'dart:typed_data'; 24 | 25 | import 'package:plugin_platform_interface/plugin_platform_interface.dart'; 26 | 27 | import 'fast_image_compress_method_channel.dart'; 28 | 29 | abstract class FastImageCompressPlatform extends PlatformInterface { 30 | /// Constructs a FastImageCompressPlatform. 31 | FastImageCompressPlatform() : super(token: _token); 32 | 33 | static final Object _token = Object(); 34 | 35 | static FastImageCompressPlatform _instance = MethodChannelFastImageCompress(); 36 | 37 | /// The default instance of [FastImageCompressPlatform] to use. 38 | /// 39 | /// Defaults to [MethodChannelFastImageCompress]. 40 | static FastImageCompressPlatform get instance => _instance; 41 | 42 | /// Platform-specific implementations should set this with their own 43 | /// platform-specific class that extends [FastImageCompressPlatform] when 44 | /// they register themselves. 45 | static set instance(FastImageCompressPlatform instance) { 46 | PlatformInterface.verifyToken(instance, _token); 47 | _instance = instance; 48 | } 49 | 50 | Future getPlatformVersion() { 51 | throw UnimplementedError('platformVersion() has not been implemented.'); 52 | } 53 | 54 | /// Compress an image given its byte data and target width. 55 | Future compressImage( 56 | Uint8List imageData, 57 | int? targetWidth, 58 | int compressionQuality, 59 | String imageQuality, 60 | ) { 61 | throw UnimplementedError('compressImage() has not been implemented.'); 62 | } 63 | } 64 | -------------------------------------------------------------------------------- /lib/src/image_compression_service.dart: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (c) 2021 Simform Solutions 3 | * 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy 5 | * of this software and associated documentation files (the "Software"), to deal 6 | * in the Software without restriction, including without limitation the rights 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 | * copies of the Software, and to permit persons to whom the Software is 9 | * furnished to do so, subject to the following conditions: 10 | * 11 | * The above copyright notice and this permission notice shall be 12 | * included in all copies or substantial portions of the Software. 13 | * 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 | * SOFTWARE. 21 | */ 22 | 23 | import 'dart:async'; 24 | import 'dart:isolate'; 25 | 26 | import 'package:fast_image_compress/values/constants.dart'; 27 | import 'package:flutter/services.dart'; 28 | 29 | class ImageCompressionService { 30 | SendPort? _isolateSendPort; 31 | Isolate? _isolate; 32 | bool isInitialized = false; 33 | static const platform = MethodChannel(Constants.methodChannelName); 34 | 35 | Future initializeIsolate() async { 36 | if (_isolate != null) return; 37 | final receivePort = ReceivePort(); 38 | final initData = (RootIsolateToken.instance!, receivePort.sendPort); 39 | _isolate = await Isolate.spawn(_isolateMain, initData); 40 | _isolateSendPort = await receivePort.first as SendPort; 41 | isInitialized = true; 42 | } 43 | 44 | Future compressImage( 45 | Uint8List imageData, 46 | int quality, 47 | int? targetWidth, 48 | ImageQuality imageQuality, 49 | ) async { 50 | if (!isInitialized) await initializeIsolate(); 51 | final responsePort = ReceivePort(); 52 | _isolateSendPort!.send({ 53 | Constants.imageData: imageData, 54 | Constants.quality: quality, 55 | Constants.targetWidth: targetWidth, 56 | Constants.port: responsePort.sendPort, 57 | Constants.imageQuality: imageQuality 58 | }); 59 | return await responsePort.first as Uint8List?; 60 | } 61 | 62 | static void _isolateMain( 63 | (RootIsolateToken rootToken, SendPort sendPort) params, 64 | ) { 65 | final receivePort = ReceivePort(); 66 | params.$2.send(receivePort.sendPort); 67 | 68 | BackgroundIsolateBinaryMessenger.ensureInitialized(params.$1); 69 | 70 | receivePort.listen((message) async { 71 | if (message is Map) { 72 | try { 73 | final imageData = message[Constants.imageData] as Uint8List; 74 | final quality = message[Constants.quality] as int; 75 | final targetWidth = message[Constants.targetWidth] as int?; 76 | final responsePort = message[Constants.port] as SendPort; 77 | final imageQuality = message[Constants.imageQuality] as ImageQuality; 78 | 79 | Uint8List? processedImage; 80 | processedImage = await imageCompress( 81 | imageData, 82 | targetWidth, 83 | quality, 84 | imageQuality.name, 85 | ); 86 | 87 | responsePort.send(processedImage); 88 | } catch (_) { 89 | message[Constants.port].send(null); 90 | } 91 | } 92 | }); 93 | } 94 | 95 | static Future imageCompress( 96 | Uint8List imageData, 97 | int? targetWidth, 98 | int compressionQuality, 99 | String imageQuality, 100 | ) async { 101 | try { 102 | final message = { 103 | Constants.imageData: imageData, 104 | Constants.targetWidth: targetWidth, 105 | Constants.compressionQuality: compressionQuality, 106 | Constants.imageQuality: imageQuality, 107 | }; 108 | final resizedImage = await platform.invokeMethod( 109 | Constants.compressImageMethodName, 110 | message, 111 | ); 112 | return resizedImage; 113 | } on PlatformException catch (_) { 114 | return null; 115 | } 116 | } 117 | 118 | Future cancelCompression() async { 119 | await platform.invokeMethod(Constants.cancelCompressionMethodName); 120 | } 121 | 122 | void dispose() { 123 | _isolate?.kill(); 124 | _isolate = null; 125 | } 126 | } 127 | 128 | enum ImageQuality { 129 | low, 130 | medium, 131 | high; 132 | } 133 | -------------------------------------------------------------------------------- /lib/values/constants.dart: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (c) 2021 Simform Solutions 3 | * 4 | * Permission is hereby granted, free of charge, to any person obtaining a copy 5 | * of this software and associated documentation files (the "Software"), to deal 6 | * in the Software without restriction, including without limitation the rights 7 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 | * copies of the Software, and to permit persons to whom the Software is 9 | * furnished to do so, subject to the following conditions: 10 | * 11 | * The above copyright notice and this permission notice shall be 12 | * included in all copies or substantial portions of the Software. 13 | * 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 | * SOFTWARE. 21 | */ 22 | 23 | class Constants { 24 | const Constants._(); 25 | static const String methodChannelName = 26 | 'com.simform.fast_image_compress/compression'; 27 | static const String compressImageMethodName = 'compressImage'; 28 | static const String cancelCompressionMethodName = 'cancelCompression'; 29 | static const String imageData = 'imageData'; 30 | static const String quality = 'quality'; 31 | static const String compressionQuality = 'compressionQuality'; 32 | static const String targetWidth = 'targetWidth'; 33 | static const String imageQuality = 'imageQuality'; 34 | static const String port = 'port'; 35 | } 36 | -------------------------------------------------------------------------------- /preview/android_comparison_graph.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SimformSolutionsPvtLtd/fast_image_compress/1af0277549c8e4defeb171f05f744ca5e7474075/preview/android_comparison_graph.png -------------------------------------------------------------------------------- /preview/banner.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SimformSolutionsPvtLtd/fast_image_compress/1af0277549c8e4defeb171f05f744ca5e7474075/preview/banner.png -------------------------------------------------------------------------------- /preview/iOS_comparison_graph.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/SimformSolutionsPvtLtd/fast_image_compress/1af0277549c8e4defeb171f05f744ca5e7474075/preview/iOS_comparison_graph.png -------------------------------------------------------------------------------- /pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: fast_image_compress 2 | description: "A Flutter plugin that allows you to compress images easily and quickly." 3 | version: 0.0.3 4 | homepage: "https://github.com/SimformSolutionsPvtLtd/fast_image_compress" 5 | issue_tracker: "https://github.com/SimformSolutionsPvtLtd/fast_image_compress/issues" 6 | topics: 7 | - image-compression 8 | - image-processing 9 | - parallel-processing 10 | - image 11 | - compression 12 | 13 | environment: 14 | sdk: ^3.5.3 15 | flutter: '>=3.3.0' 16 | 17 | dependencies: 18 | flutter: 19 | sdk: flutter 20 | plugin_platform_interface: ^2.0.2 21 | 22 | 23 | dev_dependencies: 24 | flutter_test: 25 | sdk: flutter 26 | flutter_lints: ^4.0.0 27 | pana: 28 | 29 | # For information on the generic Dart part of this file, see the 30 | # following page: https://dart.dev/tools/pub/pubspec 31 | 32 | # The following section is specific to Flutter packages. 33 | flutter: 34 | # This section identifies this Flutter project as a plugin project. 35 | # The 'pluginClass' specifies the class (in Java, Kotlin, Swift, Objective-C, etc.) 36 | # which should be registered in the plugin registry. This is required for 37 | # using method channels. 38 | # The Android 'package' specifies package in which the registered class is. 39 | # This is required for using method channels on Android. 40 | # The 'ffiPlugin' specifies that native code should be built and bundled. 41 | # This is required for using `dart:ffi`. 42 | # All these are used by the tooling to maintain consistency when 43 | # adding or updating assets for this project. 44 | plugin: 45 | platforms: 46 | android: 47 | package: com.example.fast_image_compress 48 | pluginClass: FastImageCompressPlugin 49 | ios: 50 | pluginClass: FastImageCompressPlugin 51 | 52 | # To add assets to your plugin package, add an assets section, like this: 53 | # assets: 54 | # - images/a_dot_burr.jpeg 55 | # - images/a_dot_ham.jpeg 56 | # 57 | # For details regarding assets in packages, see 58 | # https://flutter.dev/to/asset-from-package 59 | # 60 | # An image asset can refer to one or more resolution-specific "variants", see 61 | # https://flutter.dev/to/resolution-aware-images 62 | 63 | # To add custom fonts to your plugin package, add a fonts section here, 64 | # in this "flutter" section. Each entry in this list should have a 65 | # "family" key with the font family name, and a "fonts" key with a 66 | # list giving the asset and other descriptors for the font. For 67 | # example: 68 | # fonts: 69 | # - family: Schyler 70 | # fonts: 71 | # - asset: fonts/Schyler-Regular.ttf 72 | # - asset: fonts/Schyler-Italic.ttf 73 | # style: italic 74 | # - family: Trajan Pro 75 | # fonts: 76 | # - asset: fonts/TrajanPro.ttf 77 | # - asset: fonts/TrajanPro_Bold.ttf 78 | # weight: 700 79 | # 80 | # For details regarding fonts in packages, see 81 | # https://flutter.dev/to/font-from-package 82 | --------------------------------------------------------------------------------