├── .fvm └── fvm_config.json ├── .gitignore ├── CHANGELOG.md ├── LICENSE ├── README.md ├── doc ├── screenshot1.png └── screenshot2.png ├── example ├── .gitignore ├── .metadata ├── README.md ├── android │ ├── app │ │ ├── build.gradle │ │ └── src │ │ │ └── main │ │ │ ├── AndroidManifest.xml │ │ │ └── res │ │ │ ├── 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 │ │ │ └── styles.xml │ ├── build.gradle │ ├── gradle.properties │ ├── gradle │ │ └── wrapper │ │ │ └── gradle-wrapper.properties │ └── settings.gradle ├── ios │ ├── Flutter │ │ ├── AppFrameworkInfo.plist │ │ ├── Debug.xcconfig │ │ └── Release.xcconfig │ ├── Runner.xcodeproj │ │ ├── project.pbxproj │ │ ├── project.xcworkspace │ │ │ └── contents.xcworkspacedata │ │ └── xcshareddata │ │ │ └── xcschemes │ │ │ └── Runner.xcscheme │ ├── Runner.xcworkspace │ │ └── contents.xcworkspacedata │ └── Runner │ │ ├── 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 ├── lib │ └── main.dart └── pubspec.yaml ├── lib ├── flutter_polygon.dart └── src │ ├── polygon_border.dart │ ├── polygon_clip.dart │ └── polygon_path_drawer.dart └── pubspec.yaml /.fvm/fvm_config.json: -------------------------------------------------------------------------------- 1 | { 2 | "flutterSdkVersion": "2.0.3" 3 | } -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | /.fvm/flutter_sdk/ 2 | /.fvm/flutter_sdk 3 | 4 | # Miscellaneous 5 | *.class 6 | *.lock 7 | *.log 8 | *.pyc 9 | *.swp 10 | .DS_Store 11 | .atom/ 12 | .buildlog/ 13 | .history 14 | .svn/ 15 | 16 | # IntelliJ related 17 | *.iml 18 | *.ipr 19 | *.iws 20 | .idea/ 21 | 22 | # Visual Studio Code related 23 | .vscode/ 24 | 25 | # Flutter/Dart/Pub related 26 | **/doc/api/ 27 | .dart_tool/ 28 | .flutter-plugins 29 | .packages 30 | .pub-cache/ 31 | .pub/ 32 | build/ -------------------------------------------------------------------------------- /CHANGELOG.md: -------------------------------------------------------------------------------- 1 | ## 0.2.0 2 | 3 | * Migrate to null-safety 4 | * Minimum Dart SDK 2.12.0 5 | * Added `key` parameter to `ClipPolygon` 6 | 7 | ## 0.1.0 8 | 9 | * Initial release 10 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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Such new versions will 567 | be similar in spirit to the present version, but may differ in detail to 568 | address new problems or concerns. 569 | 570 | Each version is given a distinguishing version number. If the 571 | Program specifies that a certain numbered version of the GNU General 572 | Public License "or any later version" applies to it, you have the 573 | option of following the terms and conditions either of that numbered 574 | version or of any later version published by the Free Software 575 | Foundation. If the Program does not specify a version number of the 576 | GNU General Public License, you may choose any version ever published 577 | by the Free Software Foundation. 578 | 579 | If the Program specifies that a proxy can decide which future 580 | versions of the GNU General Public License can be used, that proxy's 581 | public statement of acceptance of a version permanently authorizes you 582 | to choose that version for the Program. 583 | 584 | Later license versions may give you additional or different 585 | permissions. However, no additional obligations are imposed on any 586 | author or copyright holder as a result of your choosing to follow a 587 | later version. 588 | 589 | 15. Disclaimer of Warranty. 590 | 591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 | 600 | 16. Limitation of Liability. 601 | 602 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 610 | SUCH DAMAGES. 611 | 612 | 17. Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # flutter_polygon 2 | 3 | A Flutter plugin to create views using regular polygon shapes (e.g. Pentagons and Hexagons). 4 | 5 | Based on the [polygon_clipper](https://pub.dev/packages/polygon_clipper) package by [leonardocaldas](https://github.com/leonardocaldas). 6 | 7 | ![Example1](https://raw.githubusercontent.com/wietsebuseyne/flutter_polygon/master/doc/screenshot1.png) 8 | ![Example2](https://raw.githubusercontent.com/wietsebuseyne/flutter_polygon/master/doc/screenshot2.png) 9 | 10 | ## Installation 11 | Add this to your package's pubspec.yaml file: 12 | 13 | ```yaml 14 | dependencies: 15 | flutter_polygon: ^0.2.0 16 | ``` 17 | 18 | ## Usage 19 | 20 | ### Clipping 21 | 22 | Use the `ClipPolygon` widget to clip a child widget. 23 | ``` dart 24 | import 'package:flutter_polygon/flutter_polygon.dart'; 25 | 26 | ClipPolygon( 27 | sides: 6, 28 | borderRadius: 5.0, // Defaults to 0.0 degrees 29 | rotate: 90.0, // Defaults to 0.0 degrees 30 | boxShadows: [ 31 | PolygonBoxShadow(color: Colors.black, elevation: 1.0), 32 | PolygonBoxShadow(color: Colors.grey, elevation: 5.0) 33 | ], 34 | child: Container(color: Colors.black), 35 | ); 36 | ``` 37 | 38 | ### Borders 39 | 40 | Use the `PolygonBorder` shape with your favorites widgets! 41 | ``` dart 42 | import 'package:flutter_polygon/flutter_polygon.dart'; 43 | 44 | FloatingActionButton( 45 | shape: PolygonBorder( 46 | sides: 6, 47 | borderRadius: 5.0, // Defaults to 0.0 degrees 48 | rotate: 30.0, // Defaults to 0.0 degrees 49 | border: BorderSide(color: Colors.red, width: 2.0), // Defaults to BorderSide.none 50 | ), 51 | onPressed: () {}, 52 | child: Icon(Icons.star), 53 | ), 54 | ``` 55 | 56 | Other widgets: 57 | 58 | * `TextButton`, `ElevatedButton`, ... 59 | * `Container` 60 | * `Chip` 61 | * ... 62 | 63 | ## Contributing 64 | 65 | If you find an issue with this package, please open an issue on [github](https://github.com/wietsebuseyne/flutter_polygon). 66 | 67 | If you wish to contribute to this project, I encourage you to open a pull request. 68 | 69 | ## Credit 70 | 71 | Based on the [polygon_clipper](https://pub.dev/packages/polygon_clipper) package by [leonardocaldas](https://github.com/leonardocaldas). -------------------------------------------------------------------------------- /doc/screenshot1.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/leonardocaldas/flutter-polygon-clipper/bf1036207331a21024d48fd98b35a72d16956725/doc/screenshot1.png -------------------------------------------------------------------------------- /doc/screenshot2.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/leonardocaldas/flutter-polygon-clipper/bf1036207331a21024d48fd98b35a72d16956725/doc/screenshot2.png -------------------------------------------------------------------------------- /example/.gitignore: -------------------------------------------------------------------------------- 1 | # Miscellaneous 2 | *.class 3 | *.log 4 | *.pyc 5 | *.swp 6 | .DS_Store 7 | .atom/ 8 | .buildlog/ 9 | .history 10 | .svn/ 11 | 12 | # IntelliJ related 13 | *.iml 14 | *.ipr 15 | *.iws 16 | .idea/ 17 | 18 | # The .vscode folder contains launch configuration and tasks you configure in 19 | # VS Code which you may wish to be included in version control, so this line 20 | # is commented out by default. 21 | #.vscode/ 22 | 23 | # Flutter/Dart/Pub related 24 | **/doc/api/ 25 | **/ios/Flutter/.last_build_id 26 | .dart_tool/ 27 | .flutter-plugins 28 | .flutter-plugins-dependencies 29 | .packages 30 | .pub-cache/ 31 | .pub/ 32 | /build/ 33 | 34 | # Web related 35 | lib/generated_plugin_registrant.dart 36 | 37 | # Symbolication related 38 | app.*.symbols 39 | 40 | # Obfuscation related 41 | app.*.map.json 42 | 43 | # Android Studio will place build artifacts here 44 | /android/app/debug 45 | /android/app/profile 46 | /android/app/release 47 | -------------------------------------------------------------------------------- /example/.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: 8962f6dc68ec8e2206ac2fa874da4a453856c7d3 8 | channel: stable 9 | 10 | project_type: app 11 | -------------------------------------------------------------------------------- /example/README.md: -------------------------------------------------------------------------------- 1 | # flutter_polygon example 2 | 3 | An example of how to use the `flutter_polygon` package. -------------------------------------------------------------------------------- /example/android/app/build.gradle: -------------------------------------------------------------------------------- 1 | def localProperties = new Properties() 2 | def localPropertiesFile = rootProject.file('local.properties') 3 | if (localPropertiesFile.exists()) { 4 | localPropertiesFile.withReader('UTF-8') { reader -> 5 | localProperties.load(reader) 6 | } 7 | } 8 | 9 | def flutterRoot = localProperties.getProperty('flutter.sdk') 10 | if (flutterRoot == null) { 11 | throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.") 12 | } 13 | 14 | def flutterVersionCode = localProperties.getProperty('flutter.versionCode') 15 | if (flutterVersionCode == null) { 16 | flutterVersionCode = '1' 17 | } 18 | 19 | def flutterVersionName = localProperties.getProperty('flutter.versionName') 20 | if (flutterVersionName == null) { 21 | flutterVersionName = '1.0' 22 | } 23 | 24 | apply plugin: 'com.android.application' 25 | apply plugin: 'kotlin-android' 26 | apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle" 27 | 28 | android { 29 | compileSdkVersion 30 30 | ndkVersion = "20.1.5948944" 31 | 32 | sourceSets { 33 | main.java.srcDirs += 'src/main/kotlin' 34 | } 35 | 36 | defaultConfig { 37 | applicationId "com.example.example" 38 | minSdkVersion 16 39 | targetSdkVersion 30 40 | versionCode flutterVersionCode.toInteger() 41 | versionName flutterVersionName 42 | } 43 | 44 | buildTypes { 45 | release { 46 | // TODO: Add your own signing config for the release build. 47 | // Signing with the debug keys for now, so `flutter run --release` works. 48 | signingConfig signingConfigs.debug 49 | } 50 | } 51 | } 52 | 53 | flutter { 54 | source '../..' 55 | } 56 | 57 | dependencies { 58 | implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version" 59 | } 60 | -------------------------------------------------------------------------------- /example/android/app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 6 | 13 | 17 | 21 | 26 | 30 | 31 | 32 | 33 | 34 | 35 | 37 | 40 | 41 | 42 | -------------------------------------------------------------------------------- /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/leonardocaldas/flutter-polygon-clipper/bf1036207331a21024d48fd98b35a72d16956725/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/leonardocaldas/flutter-polygon-clipper/bf1036207331a21024d48fd98b35a72d16956725/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/leonardocaldas/flutter-polygon-clipper/bf1036207331a21024d48fd98b35a72d16956725/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/leonardocaldas/flutter-polygon-clipper/bf1036207331a21024d48fd98b35a72d16956725/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/leonardocaldas/flutter-polygon-clipper/bf1036207331a21024d48fd98b35a72d16956725/example/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /example/android/app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 9 | 15 | 18 | 19 | -------------------------------------------------------------------------------- /example/android/build.gradle: -------------------------------------------------------------------------------- 1 | buildscript { 2 | ext.kotlin_version = '1.3.50' 3 | repositories { 4 | google() 5 | jcenter() 6 | } 7 | 8 | dependencies { 9 | classpath 'com.android.tools.build:gradle:4.1.0' 10 | classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" 11 | } 12 | } 13 | 14 | allprojects { 15 | repositories { 16 | google() 17 | jcenter() 18 | } 19 | } 20 | 21 | rootProject.buildDir = '../build' 22 | subprojects { 23 | project.buildDir = "${rootProject.buildDir}/${project.name}" 24 | } 25 | subprojects { 26 | project.evaluationDependsOn(':app') 27 | } 28 | 29 | task clean(type: Delete) { 30 | delete rootProject.buildDir 31 | } 32 | -------------------------------------------------------------------------------- /example/android/gradle.properties: -------------------------------------------------------------------------------- 1 | org.gradle.jvmargs=-Xmx1536M 2 | android.useAndroidX=true 3 | android.enableJetifier=true 4 | -------------------------------------------------------------------------------- /example/android/gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Fri Jun 23 08:50:38 CEST 2017 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-6.7-all.zip 7 | -------------------------------------------------------------------------------- /example/android/settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | 3 | def localPropertiesFile = new File(rootProject.projectDir, "local.properties") 4 | def properties = new Properties() 5 | 6 | assert localPropertiesFile.exists() 7 | localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) } 8 | 9 | def flutterSdkPath = properties.getProperty("flutter.sdk") 10 | assert flutterSdkPath != null, "flutter.sdk not set in local.properties" 11 | apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle" 12 | -------------------------------------------------------------------------------- /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 | 8.0 25 | 26 | 27 | -------------------------------------------------------------------------------- /example/ios/Flutter/Debug.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /example/ios/Flutter/Release.xcconfig: -------------------------------------------------------------------------------- 1 | #include "Generated.xcconfig" 2 | -------------------------------------------------------------------------------- /example/ios/Runner.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 4 | classes = { 5 | }; 6 | objectVersion = 46; 7 | objects = { 8 | 9 | /* 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"universal", 10 | "filename" : "LaunchImage@2x.png", 11 | "scale" : "2x" 12 | }, 13 | { 14 | "idiom" : "universal", 15 | "filename" : "LaunchImage@3x.png", 16 | "scale" : "3x" 17 | } 18 | ], 19 | "info" : { 20 | "version" : 1, 21 | "author" : "xcode" 22 | } 23 | } 24 | -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/leonardocaldas/flutter-polygon-clipper/bf1036207331a21024d48fd98b35a72d16956725/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage.png -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/leonardocaldas/flutter-polygon-clipper/bf1036207331a21024d48fd98b35a72d16956725/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@2x.png -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/leonardocaldas/flutter-polygon-clipper/bf1036207331a21024d48fd98b35a72d16956725/example/ios/Runner/Assets.xcassets/LaunchImage.imageset/LaunchImage@3x.png -------------------------------------------------------------------------------- /example/ios/Runner/Assets.xcassets/LaunchImage.imageset/README.md: -------------------------------------------------------------------------------- 1 | # Launch Screen Assets 2 | 3 | You can customize the launch screen with your own desired assets by replacing the image files in this directory. 4 | 5 | You can also do it by opening your Flutter project's Xcode project with `open ios/Runner.xcworkspace`, selecting `Runner/Assets.xcassets` in the Project Navigator and dropping in the desired images. -------------------------------------------------------------------------------- /example/ios/Runner/Base.lproj/LaunchScreen.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 | 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 | CFBundleDevelopmentRegion 6 | $(DEVELOPMENT_LANGUAGE) 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | example 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | $(FLUTTER_BUILD_NAME) 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | $(FLUTTER_BUILD_NUMBER) 23 | LSRequiresIPhoneOS 24 | 25 | UILaunchStoryboardName 26 | LaunchScreen 27 | UIMainStoryboardFile 28 | Main 29 | UISupportedInterfaceOrientations 30 | 31 | UIInterfaceOrientationPortrait 32 | UIInterfaceOrientationLandscapeLeft 33 | UIInterfaceOrientationLandscapeRight 34 | 35 | UISupportedInterfaceOrientations~ipad 36 | 37 | UIInterfaceOrientationPortrait 38 | UIInterfaceOrientationPortraitUpsideDown 39 | UIInterfaceOrientationLandscapeLeft 40 | UIInterfaceOrientationLandscapeRight 41 | 42 | UIViewControllerBasedStatusBarAppearance 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /example/lib/main.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_polygon/flutter_polygon.dart'; 3 | 4 | void main() => runApp(ExampleApp()); 5 | 6 | const nbs = [3, 4, 5, 6, 7, 8, 9, 10]; 7 | const rotates = [0, 30, 60, 90, 120, 150, 180]; 8 | const colors = [ 9 | Colors.black, 10 | Colors.red, 11 | Colors.orange, 12 | Colors.yellow, 13 | Colors.green, 14 | Colors.blue, 15 | Colors.indigo, 16 | Colors.purple, 17 | ]; 18 | 19 | class ExampleApp extends StatefulWidget { 20 | 21 | @override 22 | _ExampleAppState createState() => _ExampleAppState(); 23 | } 24 | 25 | class _ExampleAppState extends State { 26 | 27 | int nb = 6; 28 | 29 | @override 30 | Widget build(BuildContext context) { 31 | return MaterialApp( 32 | home: Scaffold( 33 | extendBody: true, 34 | 35 | appBar: AppBar( 36 | title: Text('Flutter Polygon'), 37 | backgroundColor: Colors.blue[900], 38 | brightness: Brightness.dark, 39 | ), 40 | 41 | floatingActionButton: FloatingActionButton( 42 | onPressed: () => {}, 43 | shape: PolygonBorder(sides: nb), 44 | child: Icon(Icons.star), 45 | ), 46 | 47 | bottomNavigationBar: BottomAppBar( 48 | shape: AutomaticNotchedShape( 49 | RoundedRectangleBorder(), 50 | PolygonBorder(sides: nb) 51 | ), 52 | color: Colors.orange, 53 | notchMargin: 6.0, 54 | child: Row( 55 | mainAxisSize: MainAxisSize.max, 56 | mainAxisAlignment: MainAxisAlignment.spaceAround, 57 | children: [ 58 | IconButton( 59 | icon: Icon(Icons.code), 60 | onPressed: () {}, 61 | ), 62 | IconButton( 63 | icon: Icon(Icons.save), 64 | onPressed: () {} 65 | ), 66 | ], 67 | ), 68 | ), 69 | 70 | floatingActionButtonLocation: FloatingActionButtonLocation.centerDocked, 71 | 72 | body: Container( 73 | child: SingleChildScrollView( 74 | padding: const EdgeInsets.only(bottom: 96.0), 75 | child: Column( 76 | mainAxisAlignment: MainAxisAlignment.center, 77 | mainAxisSize: MainAxisSize.max, 78 | children: [ 79 | 80 | const SizedBox(height: 8.0,), 81 | Text( 82 | 'Chips', 83 | style: Theme.of(context).textTheme.headline6 84 | ), 85 | _showCase(nbs.map(_chip)), 86 | 87 | const SizedBox(height: 8.0,), 88 | Text( 89 | 'Buttons', 90 | style: Theme.of(context).textTheme.headline6 91 | ), 92 | _showCase(nbs.map(_button)), 93 | 94 | const SizedBox(height: 8.0,), 95 | Text( 96 | 'Containers', 97 | style: Theme.of(context).textTheme.headline6 98 | ), 99 | _showCase(nbs.map(_container)), 100 | _showCase(nbs.map((nb) => _container(nb, width: 2, rotate: 15.0))), 101 | _showCase(nbs.map((nb) => _container(nb, width: 3, rotate: 30.0))), 102 | 103 | const SizedBox(height: 8.0,), 104 | Text( 105 | 'Clipped Image', 106 | style: Theme.of(context).textTheme.headline6 107 | ), 108 | const SizedBox(height: 8.0,), 109 | _image(nb), 110 | ], 111 | ), 112 | ), 113 | ), 114 | ), 115 | ); 116 | } 117 | 118 | Widget _showCase(Iterable widgets) { 119 | return SingleChildScrollView( 120 | scrollDirection: Axis.horizontal, 121 | padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 8.0), 122 | child: Row( 123 | children: widgets.toList(), 124 | ), 125 | ); 126 | } 127 | 128 | Widget _image(int sides) { 129 | return ClipPolygon( 130 | child: Image.network("https://cdn.pixabay.com/photo/2018/01/05/00/20/test-image-3061864_960_720.png"), 131 | boxShadows: [ 132 | PolygonBoxShadow(color: Colors.black, elevation: 2.0), 133 | PolygonBoxShadow(color: Colors.yellow, elevation: 4.0), 134 | PolygonBoxShadow(color: Colors.red, elevation: 6.0), 135 | ], 136 | sides: sides, 137 | borderRadius: 10, 138 | ); 139 | } 140 | 141 | Widget _button(int sides, {BorderSide side = BorderSide.none}) { 142 | return TextButton( 143 | style: ButtonStyle( 144 | shape: MaterialStateProperty.all( 145 | PolygonBorder(sides: sides, side: BorderSide()) 146 | ), 147 | ), 148 | onPressed: () { }, 149 | child: Text('$sides'), 150 | ); 151 | } 152 | 153 | Widget _chip(int sides, {BorderSide side = BorderSide.none}) { 154 | return Padding( 155 | padding: const EdgeInsets.symmetric(horizontal: 4.0), 156 | child: ChoiceChip( 157 | shape: PolygonBorder( 158 | sides: sides, 159 | side: side, 160 | ), 161 | label: Text('$sides'), 162 | selected: nb == sides, 163 | onSelected: (s) { 164 | setState(() { 165 | this.nb = sides; 166 | }); 167 | }, 168 | ), 169 | ); 170 | } 171 | 172 | Widget _container(int sides, {double width = 1.0, double rotate = 0.0}) { 173 | var index = (sides-3); 174 | return Container( 175 | padding: EdgeInsets.all(18.0), 176 | margin: EdgeInsets.only(right: 16.0), 177 | decoration: ShapeDecoration( 178 | shape: PolygonBorder( 179 | sides: sides, 180 | rotate: rotate, 181 | side: BorderSide( 182 | color: colors[index % colors.length], 183 | width: width, 184 | ))), 185 | child: Text('$sides'), 186 | ); 187 | } 188 | } -------------------------------------------------------------------------------- /example/pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: example 2 | description: An example of how to use flutter_polygon 3 | publish_to: none 4 | 5 | version: 1.0.0 6 | 7 | environment: 8 | sdk: '>=2.12.0 <3.0.0' 9 | 10 | dependencies: 11 | flutter: 12 | sdk: flutter 13 | flutter_polygon: 14 | path: ../ 15 | cupertino_icons: ^1.0.2 16 | 17 | dev_dependencies: 18 | flutter_test: 19 | sdk: flutter 20 | 21 | flutter: 22 | uses-material-design: true -------------------------------------------------------------------------------- /lib/flutter_polygon.dart: -------------------------------------------------------------------------------- 1 | export 'src/polygon_border.dart'; 2 | export 'src/polygon_clip.dart'; 3 | export 'src/polygon_path_drawer.dart'; -------------------------------------------------------------------------------- /lib/src/polygon_border.dart: -------------------------------------------------------------------------------- 1 | import 'dart:math' as math; 2 | import 'dart:ui'; 3 | 4 | import 'package:flutter/painting.dart'; 5 | import 'package:flutter/widgets.dart'; 6 | import 'package:flutter_polygon/flutter_polygon.dart'; 7 | 8 | /// A border that fits a polygon-shaped border with its number of sides equal to [sides], rotated by [rotate] degrees 9 | /// within the rectangle of the widget it is applied to. 10 | /// 11 | /// To round the edges of the polygon, pass the desired angle to [borderRadius]. 12 | /// There is a known issue where adding a [borderRadius] will reduce the size of the polygon. 13 | /// 14 | /// See also: 15 | /// 16 | /// * [BorderSide], which is used to describe the border of the polygon. 17 | class PolygonBorder extends OutlinedBorder { 18 | final int sides; 19 | final double rotate; 20 | final double borderRadius; 21 | 22 | /// Create a PolygonBorder number of sides equal to [sides], rotated by [rotate] degrees. 23 | /// 24 | /// Provide a [borderRadius] to set the radius of the corners. 25 | /// 26 | /// Use [side] to define the outline's color and weight. 27 | /// If [side] is [BorderSide.none], which is the default, an outline is not drawn. 28 | /// Otherwise the outline is centered over the shape's boundary. 29 | /// 30 | /// [sides] should be at least 3. 31 | /// 32 | /// All variables must not be null. 33 | const PolygonBorder({ 34 | required this.sides, 35 | this.rotate = 0.0, 36 | this.borderRadius = 0.0, 37 | BorderSide side = BorderSide.none, 38 | }) : assert(sides >= 2), 39 | super(side: side); 40 | 41 | @override 42 | EdgeInsetsGeometry get dimensions => EdgeInsets.all(side.width); 43 | 44 | Path _getPath(Rect rect, double radius) { 45 | var specs = PolygonPathSpecs( 46 | sides: sides < 3 ? 3 : sides, 47 | rotate: rotate, 48 | borderRadiusAngle: borderRadius, 49 | ); 50 | 51 | return PolygonPathDrawer(size: Size.fromRadius(radius), specs: specs) 52 | .draw() 53 | .shift(Offset(rect.center.dx - radius, rect.center.dy - radius)); 54 | } 55 | 56 | @override 57 | ShapeBorder? lerpFrom(ShapeBorder? a, double t) { 58 | if (a is PolygonBorder && a.sides == sides) { 59 | return PolygonBorder( 60 | sides: sides, 61 | rotate: lerpDouble(a.rotate, rotate, t)!, 62 | borderRadius: lerpDouble(a.borderRadius, borderRadius, t)!, 63 | side: BorderSide.lerp(a.side, side, t), 64 | ); 65 | } else { 66 | return super.lerpFrom(a, t); 67 | } 68 | } 69 | 70 | @override 71 | ShapeBorder? lerpTo(ShapeBorder? b, double t) { 72 | if (b is PolygonBorder && b.sides == sides) { 73 | return PolygonBorder( 74 | sides: sides, 75 | rotate: lerpDouble(rotate, b.rotate, t)!, 76 | borderRadius: lerpDouble(borderRadius, b.borderRadius, t)!, 77 | side: BorderSide.lerp(side, b.side, t), 78 | ); 79 | } else { 80 | return super.lerpTo(b, t); 81 | } 82 | } 83 | 84 | @override 85 | void paint(Canvas canvas, Rect rect, {TextDirection? textDirection}) { 86 | switch (side.style) { 87 | case BorderStyle.none: 88 | break; 89 | case BorderStyle.solid: 90 | var radius = (rect.shortestSide - side.width) / 2.0; 91 | var path = _getPath(rect, radius); 92 | canvas.drawPath(path, side.toPaint()); 93 | break; 94 | } 95 | } 96 | 97 | @override 98 | Path getInnerPath(Rect rect, {TextDirection? textDirection}) { 99 | return _getPath(rect, math.max(0.0, rect.shortestSide / 2.0 - side.width)); 100 | } 101 | 102 | @override 103 | Path getOuterPath(Rect rect, {TextDirection? textDirection}) { 104 | return _getPath(rect, math.max(0.0, rect.shortestSide / 2.0)); 105 | } 106 | 107 | @override 108 | ShapeBorder scale(double t) { 109 | return PolygonBorder( 110 | sides: sides, 111 | rotate: rotate, 112 | borderRadius: borderRadius * t, 113 | side: side.scale(t)); 114 | } 115 | 116 | @override 117 | int get hashCode { 118 | return sides.hashCode ^ 119 | rotate.hashCode ^ 120 | borderRadius.hashCode ^ 121 | side.hashCode; 122 | } 123 | 124 | @override 125 | bool operator ==(Object other) => 126 | identical(this, other) || 127 | other is PolygonBorder && 128 | runtimeType == other.runtimeType && 129 | sides == other.sides && 130 | side == other.side && 131 | rotate == other.rotate && 132 | borderRadius == other.borderRadius; 133 | 134 | @override 135 | OutlinedBorder copyWith({BorderSide? side}) { 136 | if (side == null) return this; 137 | return PolygonBorder( 138 | sides: sides, 139 | side: side, 140 | rotate: rotate, 141 | borderRadius: borderRadius, 142 | ); 143 | } 144 | } 145 | -------------------------------------------------------------------------------- /lib/src/polygon_clip.dart: -------------------------------------------------------------------------------- 1 | import 'package:flutter/material.dart'; 2 | import 'package:flutter_polygon/flutter_polygon.dart'; 3 | 4 | /// A widget that clips its child using a polygon with its number of sides equal to [sides], rotated by [rotate] degrees. 5 | /// 6 | /// To round the edges of the polygon, pass the desired angle to [borderRadius]. 7 | /// There is a known issue where adding a [borderRadius] will reduce the size of the polygon. 8 | class ClipPolygon extends StatelessWidget { 9 | final Widget? child; 10 | final int sides; 11 | final double rotate; 12 | final double borderRadius; 13 | final List boxShadows; 14 | 15 | /// Creates a polygon shaped clip with [sides] sides rotated [rotate] degrees. 16 | /// 17 | /// Provide a [borderRadius] to set the radius of the corners. 18 | /// 19 | /// The [sides] argument must be at least 3. 20 | ClipPolygon( 21 | {Key? key, 22 | required this.sides, 23 | this.rotate: 0.0, 24 | this.borderRadius: 0.0, 25 | this.boxShadows: const [], 26 | this.child}) 27 | : assert(sides >= 3), 28 | super(key: key); 29 | 30 | @override 31 | Widget build(BuildContext context) { 32 | PolygonPathSpecs specs = PolygonPathSpecs( 33 | sides: sides < 3 ? 3 : sides, 34 | rotate: rotate, 35 | borderRadiusAngle: borderRadius, 36 | ); 37 | 38 | return AspectRatio( 39 | aspectRatio: 1.0, 40 | child: CustomPaint( 41 | painter: PolygonBoxShadowPainter(specs, boxShadows), 42 | child: ClipPath( 43 | clipper: PolygonClipper(specs), 44 | child: child, 45 | ))); 46 | } 47 | } 48 | 49 | /// Provides polygon shaped clips based on [PolygonPathSpecs] 50 | class PolygonClipper extends CustomClipper { 51 | final PolygonPathSpecs specs; 52 | 53 | /// Create a polygon clipper with the provided specs. 54 | PolygonClipper(this.specs); 55 | 56 | @override 57 | Path getClip(Size size) { 58 | return PolygonPathDrawer(size: size, specs: specs).draw(); 59 | } 60 | 61 | @override 62 | bool shouldReclip(CustomClipper oldClipper) { 63 | return true; 64 | } 65 | } 66 | 67 | /// A polygon shaped shadow 68 | class PolygonBoxShadowPainter extends CustomPainter { 69 | final PolygonPathSpecs specs; 70 | final List boxShadows; 71 | 72 | /// Creates a polygon shaped shadow 73 | PolygonBoxShadowPainter(this.specs, this.boxShadows); 74 | 75 | @override 76 | void paint(Canvas canvas, Size size) { 77 | Path path = PolygonPathDrawer(size: size, specs: specs).draw(); 78 | 79 | boxShadows.forEach((PolygonBoxShadow shadow) { 80 | canvas.drawShadow(path, shadow.color, shadow.elevation, false); 81 | }); 82 | } 83 | 84 | @override 85 | bool shouldRepaint(CustomPainter oldDelegate) { 86 | return true; 87 | } 88 | } 89 | 90 | /// Specifications of a polygon box shadow 91 | class PolygonBoxShadow { 92 | final Color color; 93 | final double elevation; 94 | 95 | /// Creates a polygon box shadow with the provided [color] and [elevation]. 96 | PolygonBoxShadow({ 97 | required this.color, 98 | required this.elevation, 99 | }); 100 | } 101 | -------------------------------------------------------------------------------- /lib/src/polygon_path_drawer.dart: -------------------------------------------------------------------------------- 1 | import 'dart:math'; 2 | import 'dart:ui'; 3 | 4 | import 'package:flutter/material.dart'; 5 | 6 | /// Class that draws a polygon path based on [PolygonPathSpecs]. 7 | class PolygonPathDrawer { 8 | final Size size; 9 | final PolygonPathSpecs specs; 10 | 11 | /// Creates a polygon path drawer. 12 | PolygonPathDrawer({ 13 | required this.size, 14 | required this.specs, 15 | }); 16 | 17 | Path draw() { 18 | final anglePerSide = 360 / specs.sides; 19 | 20 | final radius = (size.width - specs.borderRadiusAngle) / 2; 21 | final arcLength = 22 | (radius * _angleToRadian(specs.borderRadiusAngle)) + (specs.sides * 2); 23 | 24 | Path path = Path(); 25 | 26 | for (var i = 0; i <= specs.sides; i++) { 27 | double currentAngle = anglePerSide * i; 28 | bool isFirst = i == 0; 29 | 30 | if (specs.borderRadiusAngle > 0) { 31 | _drawLineAndArc(path, currentAngle, radius, arcLength, isFirst); 32 | } else { 33 | _drawLine(path, currentAngle, radius, isFirst); 34 | } 35 | } 36 | 37 | return path; 38 | } 39 | 40 | _drawLine(Path path, double currentAngle, double radius, bool move) { 41 | Offset current = _getOffset(currentAngle, radius); 42 | 43 | if (move) 44 | path.moveTo(current.dx, current.dy); 45 | else 46 | path.lineTo(current.dx, current.dy); 47 | } 48 | 49 | _drawLineAndArc(Path path, double currentAngle, double radius, 50 | double arcLength, bool isFirst) { 51 | double prevAngle = currentAngle - specs.halfBorderRadiusAngle; 52 | double nextAngle = currentAngle + specs.halfBorderRadiusAngle; 53 | 54 | Offset previous = _getOffset(prevAngle, radius); 55 | Offset next = _getOffset(nextAngle, radius); 56 | 57 | if (isFirst) { 58 | path.moveTo(next.dx, next.dy); 59 | } else { 60 | path.lineTo(previous.dx, previous.dy); 61 | path.arcToPoint(next, radius: Radius.circular(arcLength)); 62 | } 63 | } 64 | 65 | double _angleToRadian(double angle) { 66 | return angle * (pi / 180); 67 | } 68 | 69 | Offset _getOffset(double angle, double radius) { 70 | final rotationAwareAngle = angle - 90 + specs.rotate; 71 | 72 | final radian = _angleToRadian(rotationAwareAngle); 73 | final x = cos(radian) * radius + radius + specs.halfBorderRadiusAngle; 74 | final y = sin(radian) * radius + radius + specs.halfBorderRadiusAngle; 75 | 76 | return Offset(x, y); 77 | } 78 | } 79 | 80 | /// Specs class for polygon paths. 81 | class PolygonPathSpecs { 82 | final int sides; 83 | final double rotate; 84 | final double borderRadiusAngle; 85 | final double halfBorderRadiusAngle; 86 | 87 | /// Creates polygon path specs. 88 | PolygonPathSpecs({ 89 | required this.sides, 90 | required this.rotate, 91 | required this.borderRadiusAngle, 92 | }) : halfBorderRadiusAngle = borderRadiusAngle / 2, 93 | assert(sides >= 3); 94 | } 95 | -------------------------------------------------------------------------------- /pubspec.yaml: -------------------------------------------------------------------------------- 1 | name: flutter_polygon 2 | description: A plugin with tools for working with polygons in Flutter. Provides a clipper (PolygonClipper, ClipPolygon) and border (PolygonBorder) 3 | version: 0.2.0 4 | homepage: https://github.com/wietsebuseyne/flutter_polygon 5 | 6 | dependencies: 7 | flutter: 8 | sdk: flutter 9 | 10 | environment: 11 | sdk: '>=2.12.0 <3.0.0' --------------------------------------------------------------------------------