├── app
    ├── .gitignore
    ├── src
    │   └── main
    │   │   ├── res
    │   │       ├── values
    │   │       │   ├── strings.xml
    │   │       │   ├── colors.xml
    │   │       │   └── styles.xml
    │   │       ├── drawable-v24
    │   │       │   ├── ic_show.jpg
    │   │       │   └── ic_launcher_foreground.xml
    │   │       ├── mipmap-hdpi
    │   │       │   ├── ic_launcher.png
    │   │       │   └── ic_launcher_round.png
    │   │       ├── mipmap-mdpi
    │   │       │   ├── ic_launcher.png
    │   │       │   └── ic_launcher_round.png
    │   │       ├── mipmap-xhdpi
    │   │       │   ├── ic_launcher.png
    │   │       │   └── ic_launcher_round.png
    │   │       ├── mipmap-xxhdpi
    │   │       │   ├── ic_launcher.png
    │   │       │   └── ic_launcher_round.png
    │   │       ├── mipmap-xxxhdpi
    │   │       │   ├── ic_launcher.png
    │   │       │   └── ic_launcher_round.png
    │   │       ├── mipmap-anydpi-v26
    │   │       │   ├── ic_launcher.xml
    │   │       │   └── ic_launcher_round.xml
    │   │       ├── layout
    │   │       │   └── activity_main.xml
    │   │       └── drawable
    │   │       │   └── ic_launcher_background.xml
    │   │   ├── AndroidManifest.xml
    │   │   └── java
    │   │       └── com
    │   │           └── lenny
    │   │               └── bezier
    │   │                   ├── ImageUtil.java
    │   │                   ├── MainActivity.java
    │   │                   ├── BaseView.java
    │   │                   ├── BlurUtil.java
    │   │                   └── DIYBezierView.java
    ├── proguard-rules.pro
    ├── build.gradle
    └── app.iml
├── settings.gradle
├── README.md
├── gradle
    └── wrapper
    │   ├── gradle-wrapper.jar
    │   └── gradle-wrapper.properties
├── local.properties
├── bezier.iml
├── gradle.properties
├── gradlew.bat
└── gradlew


/app/.gitignore:
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1 | /build
2 | 


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/settings.gradle:
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1 | include ':app'
2 | rootProject.name='bezier'
3 | 


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/README.md:
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1 | # jingyun_breizer
2 | https://juejin.im/post/5df755a85188251260743e49
3 | 


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/app/src/main/res/values/strings.xml:
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1 | <resources>
2 |     <string name="app_name">bezier</string>
3 | </resources>
4 | 


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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/LiuLei0571/jingyun_breizer/HEAD/gradle/wrapper/gradle-wrapper.jar


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/app/src/main/res/drawable-v24/ic_show.jpg:
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https://raw.githubusercontent.com/LiuLei0571/jingyun_breizer/HEAD/app/src/main/res/drawable-v24/ic_show.jpg


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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/LiuLei0571/jingyun_breizer/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png


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/app/src/main/res/mipmap-mdpi/ic_launcher.png:
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https://raw.githubusercontent.com/LiuLei0571/jingyun_breizer/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png


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/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/LiuLei0571/jingyun_breizer/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.png


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/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/LiuLei0571/jingyun_breizer/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png


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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/LiuLei0571/jingyun_breizer/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png


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/app/src/main/res/mipmap-hdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/LiuLei0571/jingyun_breizer/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher_round.png


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/app/src/main/res/mipmap-mdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/LiuLei0571/jingyun_breizer/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher_round.png


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/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/LiuLei0571/jingyun_breizer/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png


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/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/LiuLei0571/jingyun_breizer/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png


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/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png:
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https://raw.githubusercontent.com/LiuLei0571/jingyun_breizer/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png


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/app/src/main/res/values/colors.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <resources>
3 |     <color name="colorPrimary">#008577</color>
4 |     <color name="colorPrimaryDark">#00574B</color>
5 |     <color name="colorAccent">#D81B60</color>
6 | </resources>
7 | 


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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Thu Dec 12 16:29:36 CST 2019
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-5.4.1-all.zip
7 | 


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml:
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1 | <?xml version="1.0" encoding="utf-8"?>
2 | <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
3 |     <background android:drawable="@drawable/ic_launcher_background" />
4 |     <foreground android:drawable="@drawable/ic_launcher_foreground" />
5 | </adaptive-icon>


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/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="utf-8"?>
2 | <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
3 |     <background android:drawable="@drawable/ic_launcher_background" />
4 |     <foreground android:drawable="@drawable/ic_launcher_foreground" />
5 | </adaptive-icon>


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/app/src/main/res/values/styles.xml:
--------------------------------------------------------------------------------
 1 | <resources>
 2 | 
 3 |     <!-- Base application theme. -->
 4 |     <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
 5 |         <!-- Customize your theme here. -->
 6 |         <item name="colorPrimary">@color/colorPrimary</item>
 7 |         <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
 8 |         <item name="colorAccent">@color/colorAccent</item>
 9 |     </style>
10 | 
11 | </resources>
12 | 


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/local.properties:
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 1 | ## This file is automatically generated by Android Studio.
 2 | # Do not modify this file -- YOUR CHANGES WILL BE ERASED!
 3 | #
 4 | # This file should *NOT* be checked into Version Control Systems,
 5 | # as it contains information specific to your local configuration.
 6 | #
 7 | # Location of the SDK. This is only used by Gradle.
 8 | # For customization when using a Version Control System, please read the
 9 | # header note.
10 | sdk.dir=/Users/liulei/Library/Android/sdk
11 | 


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/app/src/main/AndroidManifest.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     package="com.lenny.bezier">
 4 | 
 5 |     <application
 6 |         android:allowBackup="true"
 7 |         android:icon="@mipmap/ic_launcher"
 8 |         android:label="@string/app_name"
 9 |         android:roundIcon="@mipmap/ic_launcher_round"
10 |         android:supportsRtl="true"
11 |         android:theme="@style/AppTheme">
12 |         <activity android:name=".MainActivity">
13 |             <intent-filter>
14 |                 <action android:name="android.intent.action.MAIN" />
15 | 
16 |                 <category android:name="android.intent.category.LAUNCHER" />
17 |             </intent-filter>
18 |         </activity>
19 |     </application>
20 | 
21 | </manifest>


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/app/proguard-rules.pro:
--------------------------------------------------------------------------------
 1 | # Add project specific ProGuard rules here.
 2 | # You can control the set of applied configuration files using the
 3 | # proguardFiles setting in build.gradle.
 4 | #
 5 | # For more details, see
 6 | #   http://developer.android.com/guide/developing/tools/proguard.html
 7 | 
 8 | # If your project uses WebView with JS, uncomment the following
 9 | # and specify the fully qualified class name to the JavaScript interface
10 | # class:
11 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
12 | #   public *;
13 | #}
14 | 
15 | # Uncomment this to preserve the line number information for
16 | # debugging stack traces.
17 | #-keepattributes SourceFile,LineNumberTable
18 | 
19 | # If you keep the line number information, uncomment this to
20 | # hide the original source file name.
21 | #-renamesourcefileattribute SourceFile
22 | 


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/bezier.iml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <module external.linked.project.id="bezier" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" type="JAVA_MODULE" version="4">
 3 |   <component name="FacetManager">
 4 |     <facet type="java-gradle" name="Java-Gradle">
 5 |       <configuration>
 6 |         <option name="BUILD_FOLDER_PATH" value="$MODULE_DIR$/build" />
 7 |         <option name="BUILDABLE" value="false" />
 8 |       </configuration>
 9 |     </facet>
10 |   </component>
11 |   <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7" inherit-compiler-output="true">
12 |     <exclude-output />
13 |     <content url="file://$MODULE_DIR$">
14 |       <excludeFolder url="file://$MODULE_DIR$/.gradle" />
15 |     </content>
16 |     <orderEntry type="inheritedJdk" />
17 |     <orderEntry type="sourceFolder" forTests="false" />
18 |   </component>
19 | </module>


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/app/build.gradle:
--------------------------------------------------------------------------------
 1 | apply plugin: 'com.android.application'
 2 | 
 3 | android {
 4 |     compileSdkVersion 29
 5 |     buildToolsVersion "29.0.1"
 6 |     defaultConfig {
 7 |         applicationId "com.lenny.bezier"
 8 |         minSdkVersion 24
 9 |         targetSdkVersion 29
10 |         versionCode 1
11 |         versionName "1.0"
12 |         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
13 |     }
14 |     buildTypes {
15 |         release {
16 |             minifyEnabled false
17 |             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
18 |         }
19 |     }
20 | }
21 | 
22 | dependencies {
23 |     implementation fileTree(dir: 'libs', include: ['*.jar'])
24 |     implementation 'androidx.appcompat:appcompat:1.1.0'
25 |     implementation 'com.android.support:appcompat-v7:26.1.0'
26 | 
27 |     implementation 'androidx.palette:palette:1.0.0'
28 |     compile 'com.makeramen:roundedimageview:2.2.1'
29 | 
30 | }
31 | 


--------------------------------------------------------------------------------
/gradle.properties:
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 1 | # Project-wide Gradle settings.
 2 | # IDE (e.g. Android Studio) users:
 3 | # Gradle settings configured through the IDE *will override*
 4 | # any settings specified in this file.
 5 | # For more details on how to configure your build environment visit
 6 | # http://www.gradle.org/docs/current/userguide/build_environment.html
 7 | # Specifies the JVM arguments used for the daemon process.
 8 | # The setting is particularly useful for tweaking memory settings.
 9 | org.gradle.jvmargs=-Xmx1536m
10 | # When configured, Gradle will run in incubating parallel mode.
11 | # This option should only be used with decoupled projects. More details, visit
12 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
13 | # org.gradle.parallel=true
14 | # AndroidX package structure to make it clearer which packages are bundled with the
15 | # Android operating system, and which are packaged with your app's APK
16 | # https://developer.android.com/topic/libraries/support-library/androidx-rn
17 | android.useAndroidX=true
18 | # Automatically convert third-party libraries to use AndroidX
19 | android.enableJetifier=true
20 | 
21 | 


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/app/src/main/res/drawable-v24/ic_launcher_foreground.xml:
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 1 | <vector xmlns:android="http://schemas.android.com/apk/res/android"
 2 |     xmlns:aapt="http://schemas.android.com/aapt"
 3 |     android:width="108dp"
 4 |     android:height="108dp"
 5 |     android:viewportWidth="108"
 6 |     android:viewportHeight="108">
 7 |     <path
 8 |         android:fillType="evenOdd"
 9 |         android:pathData="M32,64C32,64 38.39,52.99 44.13,50.95C51.37,48.37 70.14,49.57 70.14,49.57L108.26,87.69L108,109.01L75.97,107.97L32,64Z"
10 |         android:strokeWidth="1"
11 |         android:strokeColor="#00000000">
12 |         <aapt:attr name="android:fillColor">
13 |             <gradient
14 |                 android:endX="78.5885"
15 |                 android:endY="90.9159"
16 |                 android:startX="48.7653"
17 |                 android:startY="61.0927"
18 |                 android:type="linear">
19 |                 <item
20 |                     android:color="#44000000"
21 |                     android:offset="0.0" />
22 |                 <item
23 |                     android:color="#00000000"
24 |                     android:offset="1.0" />
25 |             </gradient>
26 |         </aapt:attr>
27 |     </path>
28 |     <path
29 |         android:fillColor="#FFFFFF"
30 |         android:fillType="nonZero"
31 |         android:pathData="M66.94,46.02L66.94,46.02C72.44,50.07 76,56.61 76,64L32,64C32,56.61 35.56,50.11 40.98,46.06L36.18,41.19C35.45,40.45 35.45,39.3 36.18,38.56C36.91,37.81 38.05,37.81 38.78,38.56L44.25,44.05C47.18,42.57 50.48,41.71 54,41.71C57.48,41.71 60.78,42.57 63.68,44.05L69.11,38.56C69.84,37.81 70.98,37.81 71.71,38.56C72.44,39.3 72.44,40.45 71.71,41.19L66.94,46.02ZM62.94,56.92C64.08,56.92 65,56.01 65,54.88C65,53.76 64.08,52.85 62.94,52.85C61.8,52.85 60.88,53.76 60.88,54.88C60.88,56.01 61.8,56.92 62.94,56.92ZM45.06,56.92C46.2,56.92 47.13,56.01 47.13,54.88C47.13,53.76 46.2,52.85 45.06,52.85C43.92,52.85 43,53.76 43,54.88C43,56.01 43.92,56.92 45.06,56.92Z"
32 |         android:strokeWidth="1"
33 |         android:strokeColor="#00000000" />
34 | </vector>
35 | 


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/gradlew.bat:
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 1 | @if "%DEBUG%" == "" @echo off
 2 | @rem ##########################################################################
 3 | @rem
 4 | @rem  Gradle startup script for Windows
 5 | @rem
 6 | @rem ##########################################################################
 7 | 
 8 | @rem Set local scope for the variables with windows NT shell
 9 | if "%OS%"=="Windows_NT" setlocal
10 | 
11 | set DIRNAME=%~dp0
12 | if "%DIRNAME%" == "" set DIRNAME=.
13 | set APP_BASE_NAME=%~n0
14 | set APP_HOME=%DIRNAME%
15 | 
16 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
17 | set DEFAULT_JVM_OPTS=
18 | 
19 | @rem Find java.exe
20 | if defined JAVA_HOME goto findJavaFromJavaHome
21 | 
22 | set JAVA_EXE=java.exe
23 | %JAVA_EXE% -version >NUL 2>&1
24 | if "%ERRORLEVEL%" == "0" goto init
25 | 
26 | echo.
27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
28 | echo.
29 | echo Please set the JAVA_HOME variable in your environment to match the
30 | echo location of your Java installation.
31 | 
32 | goto fail
33 | 
34 | :findJavaFromJavaHome
35 | set JAVA_HOME=%JAVA_HOME:"=%
36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
37 | 
38 | if exist "%JAVA_EXE%" goto init
39 | 
40 | echo.
41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
42 | echo.
43 | echo Please set the JAVA_HOME variable in your environment to match the
44 | echo location of your Java installation.
45 | 
46 | goto fail
47 | 
48 | :init
49 | @rem Get command-line arguments, handling Windows variants
50 | 
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 | 
53 | :win9xME_args
54 | @rem Slurp the command line arguments.
55 | set CMD_LINE_ARGS=
56 | set _SKIP=2
57 | 
58 | :win9xME_args_slurp
59 | if "x%~1" == "x" goto execute
60 | 
61 | set CMD_LINE_ARGS=%*
62 | 
63 | :execute
64 | @rem Setup the command line
65 | 
66 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
67 | 
68 | @rem Execute Gradle
69 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
70 | 
71 | :end
72 | @rem End local scope for the variables with windows NT shell
73 | if "%ERRORLEVEL%"=="0" goto mainEnd
74 | 
75 | :fail
76 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
77 | rem the _cmd.exe /c_ return code!
78 | if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
79 | exit /b 1
80 | 
81 | :mainEnd
82 | if "%OS%"=="Windows_NT" endlocal
83 | 
84 | :omega
85 | 


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/app/src/main/res/layout/activity_main.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     android:layout_width="match_parent"
 4 |     android:layout_height="match_parent"
 5 |     xmlns:app="http://schemas.android.com/apk/res-auto"
 6 |     android:orientation="vertical">
 7 | 
 8 |     <LinearLayout
 9 |         android:layout_width="match_parent"
10 |         android:layout_height="45dp"
11 |         android:orientation="horizontal">
12 | 
13 |         <Button
14 |             android:layout_width="0dp"
15 |             android:layout_height="match_parent"
16 |             android:layout_weight="1"
17 |             android:onClick="onReset"
18 |             android:text="复位" />
19 | 
20 |         <Button
21 |             android:layout_width="0dp"
22 |             android:layout_height="match_parent"
23 |             android:layout_weight="1"
24 |             android:onClick="onPlay"
25 |             android:text="播放" />
26 | 
27 |         <Button
28 |             android:layout_width="0dp"
29 |             android:layout_height="match_parent"
30 |             android:layout_weight="1"
31 |             android:onClick="onLog"
32 |             android:text="打印控制点" />
33 | 
34 |     </LinearLayout>
35 | 
36 |     <RelativeLayout
37 |         android:layout_width="match_parent"
38 |         android:layout_height="0dp"
39 |         android:layout_weight="1">
40 |         <ImageView
41 |             android:id="@+id/iv_bg"
42 |             android:layout_width="match_parent"
43 |             android:layout_height="match_parent"
44 |             android:scaleType="centerCrop" />
45 |         <LinearLayout
46 |             android:layout_width="match_parent"
47 |             android:layout_height="match_parent">
48 | 
49 |             <View
50 |                 android:layout_width="0dp"
51 |                 android:layout_height="1dp"
52 |                 android:layout_weight="1" />
53 |             <com.makeramen.roundedimageview.RoundedImageView
54 |                 android:id="@+id/img_show"
55 |                 app:riv_oval="true"
56 |                 android:layout_weight="2"
57 |                 android:layout_height="match_parent"
58 |                 android:elevation="3dp"
59 |                 android:layout_marginTop="26dp"
60 |                 android:src="@drawable/ic_show"
61 |                 android:layout_width="0dp" />
62 | 
63 |             <View
64 |                 android:layout_width="0dp"
65 |                 android:layout_height="1dp"
66 |                 android:layout_weight="1" />
67 |         </LinearLayout>
68 | 
69 |         <com.lenny.bezier.DIYBezierView
70 |             android:id="@+id/circle_bezier_view"
71 |             android:layout_width="match_parent"
72 |             android:layout_height="match_parent" />
73 | 
74 |         <com.lenny.bezier.DIYBezierView
75 |             android:id="@+id/circle_bezier_view1"
76 |             android:layout_width="match_parent"
77 |             android:layout_height="match_parent" />
78 | 
79 |         <com.lenny.bezier.DIYBezierView
80 |              android:id="@+id/circle_bezier_view2"
81 |             android:layout_width="match_parent"
82 |             android:layout_height="match_parent" />
83 | 
84 |     </RelativeLayout>
85 | 
86 | </LinearLayout>


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/app/src/main/java/com/lenny/bezier/ImageUtil.java:
--------------------------------------------------------------------------------
  1 | package com.lenny.bezier;
  2 | 
  3 | import android.graphics.Bitmap;
  4 | import android.graphics.Rect;
  5 | import android.media.MediaMetadataRetriever;
  6 | import android.media.ThumbnailUtils;
  7 | import android.os.Build;
  8 | import android.provider.MediaStore;
  9 | import android.view.View;
 10 | import android.view.ViewOutlineProvider;
 11 | 
 12 | import java.util.HashMap;
 13 | 
 14 | import androidx.annotation.RequiresApi;
 15 | import androidx.palette.graphics.Palette;
 16 | 
 17 | 
 18 | public class ImageUtil {
 19 | 
 20 |     //获取bitmap颜色
 21 |     public static Palette.Swatch getColor(Bitmap bitmap, int color) {
 22 |         // Palette的部分
 23 |         Palette palette = Palette.generate(bitmap);
 24 |         Palette.Swatch swatche = null;
 25 |         if (palette != null) {
 26 |             switch (color) {
 27 |                 case 0:
 28 |                     swatche = palette.getVibrantSwatch();
 29 |                     break;
 30 |                 case 1:
 31 |                     swatche = palette.getLightVibrantSwatch();
 32 |                     break;
 33 |                 case 2:
 34 |                     swatche = palette.getDarkVibrantSwatch();
 35 |                     break;
 36 |                 case 3:
 37 |                     swatche = palette.getMutedSwatch();
 38 |                     break;
 39 |                 case 4:
 40 |                     swatche = palette.getLightMutedSwatch();
 41 |                     break;
 42 |                 case 5:
 43 |                     swatche = palette.getDarkMutedSwatch();
 44 |                     break;
 45 |                 default:
 46 |                     swatche = palette.getVibrantSwatch();
 47 |                     break;
 48 |             }
 49 |             if(swatche==null){
 50 |                 swatche = palette.getVibrantSwatch();
 51 |             }
 52 |         }
 53 |         return swatche;
 54 |     }
 55 | 
 56 | 
 57 |     public static Bitmap createVideoThumbnail(String url, int width, int height) {
 58 |         Bitmap bitmap = null;
 59 |         MediaMetadataRetriever retriever = new MediaMetadataRetriever();
 60 |         int kind = MediaStore.Video.Thumbnails.MINI_KIND;
 61 |         try {
 62 |             if (Build.VERSION.SDK_INT >= 14) {
 63 |                 retriever.setDataSource(url, new HashMap<String, String>());
 64 |             } else {
 65 |                 retriever.setDataSource(url);
 66 |             }
 67 |             bitmap = retriever.getFrameAtTime();
 68 |         } catch (IllegalArgumentException ex) {
 69 |             // Assume this is a corrupt video file
 70 |         } catch (RuntimeException ex) {
 71 |             // Assume this is a corrupt video file.
 72 |         } finally {
 73 |             try {
 74 |                 retriever.release();
 75 |             } catch (RuntimeException ex) {
 76 |                 // Ignore failures while cleaning up.
 77 |             }
 78 |         }
 79 |         if (kind == MediaStore.Images.Thumbnails.MICRO_KIND && bitmap != null) {
 80 |             bitmap = ThumbnailUtils.extractThumbnail(bitmap, width, height,
 81 |                     ThumbnailUtils.OPTIONS_RECYCLE_INPUT);
 82 |         }
 83 |         return bitmap;
 84 |     }
 85 | 
 86 | 
 87 |     //设置控件轮廓
 88 |     @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
 89 |     public static ViewOutlineProvider getOutline(boolean b, final int pading, final int circularBead) {
 90 |         if (b) {
 91 |             return new ViewOutlineProvider() {
 92 |                 @Override
 93 |                 public void getOutline(View view, android.graphics.Outline outline) {
 94 |                     final int margin = Math.min(view.getWidth(), view.getHeight()) / pading;
 95 |                     outline.setOval(margin, margin, view.getWidth() - margin, view.getHeight() - margin);
 96 |                 }
 97 |             };
 98 |         } else {
 99 |             return new ViewOutlineProvider() {
100 |                 @Override
101 |                 public void getOutline(View view, android.graphics.Outline outline) {
102 |                     final int margin = Math.min(view.getWidth(), view.getHeight()) / pading;
103 |                     outline.setRoundRect(margin, margin, view.getWidth() - margin, view.getHeight() - margin, circularBead);
104 |                 }
105 |             };
106 |         }
107 |     }
108 | 
109 | 
110 |     /**
111 |      * 裁剪图片
112 |      *
113 |      * @param rectBitmap
114 |      * @param rectSurface
115 |      */
116 |     public static void centerCrop(Rect rectBitmap, Rect rectSurface) {
117 |         int verticalTimes = rectBitmap.height() / rectSurface.height();
118 |         int horizontalTimes = rectBitmap.width() / rectSurface.width();
119 |         if (verticalTimes > horizontalTimes) {
120 |             rectBitmap.left = 0;
121 |             rectBitmap.right = rectBitmap.right;
122 |             rectBitmap.top = (rectBitmap.height() - (rectSurface.height() * rectBitmap.width() / rectSurface.width())) / 2;
123 |             rectBitmap.bottom = rectBitmap.bottom - rectBitmap.top;
124 |         } else {
125 |             rectBitmap.top = 0;
126 |             rectBitmap.bottom = rectBitmap.bottom;
127 |             rectBitmap.left = (rectBitmap.width() - (rectSurface.width() * rectBitmap.height() / rectSurface.height())) / 2;
128 |             rectBitmap.right = rectBitmap.right - rectBitmap.left;
129 |         }
130 | 
131 |     }
132 | 
133 | }
134 | 


--------------------------------------------------------------------------------
/app/src/main/java/com/lenny/bezier/MainActivity.java:
--------------------------------------------------------------------------------
  1 | package com.lenny.bezier;
  2 | 
  3 | import android.animation.ObjectAnimator;
  4 | import android.animation.ValueAnimator;
  5 | import android.content.Context;
  6 | import android.graphics.Bitmap;
  7 | import android.graphics.BitmapFactory;
  8 | import android.graphics.ColorMatrix;
  9 | import android.graphics.ColorMatrixColorFilter;
 10 | import android.graphics.PointF;
 11 | import android.os.Build;
 12 | import android.os.Bundle;
 13 | import android.util.Log;
 14 | import android.view.View;
 15 | import android.view.animation.LinearInterpolator;
 16 | import android.widget.ImageView;
 17 | 
 18 | import java.util.List;
 19 | import java.util.concurrent.Executors;
 20 | import java.util.concurrent.ScheduledExecutorService;
 21 | import java.util.concurrent.TimeUnit;
 22 | 
 23 | import androidx.annotation.RequiresApi;
 24 | import androidx.appcompat.app.AppCompatActivity;
 25 | 
 26 | public class MainActivity extends AppCompatActivity {
 27 | 
 28 |     private DIYBezierView diyBezierView;
 29 |     private DIYBezierView diyBezierView1;
 30 |     private DIYBezierView diyBezierView2;
 31 |     private ImageView ivShowPic, iv_bg;
 32 |     ScheduledExecutorService scheduledExecutorService;
 33 | 
 34 |     @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
 35 |     @Override
 36 |     protected void onCreate(Bundle savedInstanceState) {
 37 |         super.onCreate(savedInstanceState);
 38 |         setContentView(R.layout.activity_main);
 39 |         iv_bg = findViewById(R.id.iv_bg);
 40 |         ivShowPic = findViewById(R.id.img_show);
 41 | 
 42 |         diyBezierView = findViewById(R.id.circle_bezier_view);
 43 | 
 44 |         diyBezierView1 = findViewById(R.id.circle_bezier_view1);
 45 |         diyBezierView1.setBezierCircleColor(DIYBezierView.NATIVE_CIRCLE_COLOR);
 46 |         diyBezierView2 = findViewById(R.id.circle_bezier_view2);
 47 |         diyBezierView2.setBezierCircleColor(DIYBezierView.SEL_POINT_COLOR);
 48 | 
 49 | 
 50 |         diyBezierView.setIsShowHelpLine(true);
 51 |         scheduledExecutorService = Executors.newScheduledThreadPool(1);
 52 |         setBackground();
 53 |         handleRotate();
 54 |     }
 55 | 
 56 |     public void onReset(View view) {
 57 |         diyBezierView.reset();
 58 |         diyBezierView1.reset();
 59 |         diyBezierView2.reset();
 60 |         scheduledExecutorService.shutdownNow();
 61 | 
 62 |     }
 63 | 
 64 |     public void onPlay(View view) {
 65 | 
 66 |         scheduledExecutorService.scheduleAtFixedRate(new Runnable() {
 67 |             @Override
 68 |             public void run() {
 69 |                 diyBezierView.post(new Runnable() {
 70 |                     @Override
 71 |                     public void run() {
 72 |                         diyBezierView.play();
 73 |                     }
 74 |                 });
 75 |                 diyBezierView1.post(new Runnable() {
 76 |                     @Override
 77 |                     public void run() {
 78 |                         diyBezierView1.play();
 79 |                     }
 80 |                 });
 81 |                 diyBezierView2.post(new Runnable() {
 82 |                     @Override
 83 |                     public void run() {
 84 |                         diyBezierView2.play();
 85 |                     }
 86 |                 });
 87 |             }
 88 |         }, 0, 80, TimeUnit.MILLISECONDS);
 89 | 
 90 |     }
 91 | 
 92 |     public void onLog(View view) {
 93 |         List<PointF> controlPointList = diyBezierView.getControlPointList();
 94 | 
 95 |         StringBuilder stringBuilder = new StringBuilder();
 96 |         stringBuilder.append("\n");
 97 |         for (int i = 0; i < controlPointList.size(); ++i) {
 98 |             stringBuilder.append("第")
 99 |                     .append(i)
100 |                     .append("个点坐标(单位dp)：[")
101 |                     .append(px2dip(this, controlPointList.get(i).x))
102 |                     .append(", ")
103 |                     .append(px2dip(this, controlPointList.get(i).y))
104 |                     .append("]")
105 |                     .append("\n");
106 |         }
107 | 
108 |         Log.i("DIY Bezier", "控制点日志: " + stringBuilder.toString());
109 | 
110 |     }
111 | 
112 |     public int px2dip(Context context, float pxValue) {
113 |         float density = context.getResources().getDisplayMetrics().density;
114 |         return (int) (pxValue / density + 0.5f);
115 |     }
116 | 
117 |     public void handleRotate() {
118 |         ObjectAnimator objectAnimator = ObjectAnimator.ofFloat(ivShowPic, "rotation", 0f, 360f);
119 |         objectAnimator.setDuration(20 * 1000);
120 |         objectAnimator.setRepeatMode(ValueAnimator.RESTART);
121 |         objectAnimator.setInterpolator(new LinearInterpolator());
122 |         objectAnimator.setRepeatCount(-1);
123 |         objectAnimator.start();
124 |     }
125 | 
126 |     private void setBackground() {
127 |         Bitmap bitmap = BlurUtil.doBlur(BitmapFactory.decodeResource(getResources(), R.drawable.ic_show), 10, 30);
128 |         iv_bg.setImageBitmap(bitmap);
129 |         iv_bg.setDrawingCacheEnabled(true);
130 | //        getBitmap();
131 |         int color=ImageUtil.getColor(bitmap, 1).getRgb();
132 |         diyBezierView.setBezierCircleColor(color);
133 |         int color3=ImageUtil.getColor(bitmap, 3).getRgb();
134 | 
135 |         diyBezierView1.setBezierCircleColor(color3);
136 |         int color5=ImageUtil.getColor(bitmap, 0).getRgb();
137 | 
138 |         diyBezierView2.setBezierCircleColor(color5);
139 | 
140 | 
141 |         ColorMatrix colorMatrix = new ColorMatrix();
142 |         colorMatrix.setScale(0.7f, 0.7f, 0.7f, 1);
143 |         ColorMatrixColorFilter colorFilter = new ColorMatrixColorFilter(colorMatrix);
144 |         iv_bg.setColorFilter(colorFilter);
145 | 
146 |     }
147 | }
148 | 


--------------------------------------------------------------------------------
/gradlew:
--------------------------------------------------------------------------------
  1 | #!/usr/bin/env sh
  2 | 
  3 | ##############################################################################
  4 | ##
  5 | ##  Gradle start up script for UN*X
  6 | ##
  7 | ##############################################################################
  8 | 
  9 | # Attempt to set APP_HOME
 10 | # Resolve links: $0 may be a link
 11 | PRG="$0"
 12 | # Need this for relative symlinks.
 13 | while [ -h "$PRG" ] ; do
 14 |     ls=`ls -ld "$PRG"`
 15 |     link=`expr "$ls" : '.*-> \(.*\)$'`
 16 |     if expr "$link" : '/.*' > /dev/null; then
 17 |         PRG="$link"
 18 |     else
 19 |         PRG=`dirname "$PRG"`"/$link"
 20 |     fi
 21 | done
 22 | SAVED="`pwd`"
 23 | cd "`dirname \"$PRG\"`/" >/dev/null
 24 | APP_HOME="`pwd -P`"
 25 | cd "$SAVED" >/dev/null
 26 | 
 27 | APP_NAME="Gradle"
 28 | APP_BASE_NAME=`basename "$0"`
 29 | 
 30 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 31 | DEFAULT_JVM_OPTS=""
 32 | 
 33 | # Use the maximum available, or set MAX_FD != -1 to use that value.
 34 | MAX_FD="maximum"
 35 | 
 36 | warn () {
 37 |     echo "$*"
 38 | }
 39 | 
 40 | die () {
 41 |     echo
 42 |     echo "$*"
 43 |     echo
 44 |     exit 1
 45 | }
 46 | 
 47 | # OS specific support (must be 'true' or 'false').
 48 | cygwin=false
 49 | msys=false
 50 | darwin=false
 51 | nonstop=false
 52 | case "`uname`" in
 53 |   CYGWIN* )
 54 |     cygwin=true
 55 |     ;;
 56 |   Darwin* )
 57 |     darwin=true
 58 |     ;;
 59 |   MINGW* )
 60 |     msys=true
 61 |     ;;
 62 |   NONSTOP* )
 63 |     nonstop=true
 64 |     ;;
 65 | esac
 66 | 
 67 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 68 | 
 69 | # Determine the Java command to use to start the JVM.
 70 | if [ -n "$JAVA_HOME" ] ; then
 71 |     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
 72 |         # IBM's JDK on AIX uses strange locations for the executables
 73 |         JAVACMD="$JAVA_HOME/jre/sh/java"
 74 |     else
 75 |         JAVACMD="$JAVA_HOME/bin/java"
 76 |     fi
 77 |     if [ ! -x "$JAVACMD" ] ; then
 78 |         die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
 79 | 
 80 | Please set the JAVA_HOME variable in your environment to match the
 81 | location of your Java installation."
 82 |     fi
 83 | else
 84 |     JAVACMD="java"
 85 |     which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 86 | 
 87 | Please set the JAVA_HOME variable in your environment to match the
 88 | location of your Java installation."
 89 | fi
 90 | 
 91 | # Increase the maximum file descriptors if we can.
 92 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
 93 |     MAX_FD_LIMIT=`ulimit -H -n`
 94 |     if [ $? -eq 0 ] ; then
 95 |         if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
 96 |             MAX_FD="$MAX_FD_LIMIT"
 97 |         fi
 98 |         ulimit -n $MAX_FD
 99 |         if [ $? -ne 0 ] ; then
100 |             warn "Could not set maximum file descriptor limit: $MAX_FD"
101 |         fi
102 |     else
103 |         warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
104 |     fi
105 | fi
106 | 
107 | # For Darwin, add options to specify how the application appears in the dock
108 | if $darwin; then
109 |     GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
110 | fi
111 | 
112 | # For Cygwin, switch paths to Windows format before running java
113 | if $cygwin ; then
114 |     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
115 |     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
116 |     JAVACMD=`cygpath --unix "$JAVACMD"`
117 | 
118 |     # We build the pattern for arguments to be converted via cygpath
119 |     ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
120 |     SEP=""
121 |     for dir in $ROOTDIRSRAW ; do
122 |         ROOTDIRS="$ROOTDIRS$SEP$dir"
123 |         SEP="|"
124 |     done
125 |     OURCYGPATTERN="(^($ROOTDIRS))"
126 |     # Add a user-defined pattern to the cygpath arguments
127 |     if [ "$GRADLE_CYGPATTERN" != "" ] ; then
128 |         OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
129 |     fi
130 |     # Now convert the arguments - kludge to limit ourselves to /bin/sh
131 |     i=0
132 |     for arg in "$@" ; do
133 |         CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
134 |         CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
135 | 
136 |         if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
137 |             eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
138 |         else
139 |             eval `echo args$i`="\"$arg\""
140 |         fi
141 |         i=$((i+1))
142 |     done
143 |     case $i in
144 |         (0) set -- ;;
145 |         (1) set -- "$args0" ;;
146 |         (2) set -- "$args0" "$args1" ;;
147 |         (3) set -- "$args0" "$args1" "$args2" ;;
148 |         (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
149 |         (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
150 |         (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
151 |         (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
152 |         (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
153 |         (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
154 |     esac
155 | fi
156 | 
157 | # Escape application args
158 | save () {
159 |     for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
160 |     echo " "
161 | }
162 | APP_ARGS=$(save "$@")
163 | 
164 | # Collect all arguments for the java command, following the shell quoting and substitution rules
165 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
166 | 
167 | # by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
168 | if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
169 |   cd "$(dirname "$0")"
170 | fi
171 | 
172 | exec "$JAVACMD" "$@"
173 | 


--------------------------------------------------------------------------------
/app/src/main/res/drawable/ic_launcher_background.xml:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="utf-8"?>
  2 | <vector xmlns:android="http://schemas.android.com/apk/res/android"
  3 |     android:width="108dp"
  4 |     android:height="108dp"
  5 |     android:viewportWidth="108"
  6 |     android:viewportHeight="108">
  7 |     <path
  8 |         android:fillColor="#008577"
  9 |         android:pathData="M0,0h108v108h-108z" />
 10 |     <path
 11 |         android:fillColor="#00000000"
 12 |         android:pathData="M9,0L9,108"
 13 |         android:strokeWidth="0.8"
 14 |         android:strokeColor="#33FFFFFF" />
 15 |     <path
 16 |         android:fillColor="#00000000"
 17 |         android:pathData="M19,0L19,108"
 18 |         android:strokeWidth="0.8"
 19 |         android:strokeColor="#33FFFFFF" />
 20 |     <path
 21 |         android:fillColor="#00000000"
 22 |         android:pathData="M29,0L29,108"
 23 |         android:strokeWidth="0.8"
 24 |         android:strokeColor="#33FFFFFF" />
 25 |     <path
 26 |         android:fillColor="#00000000"
 27 |         android:pathData="M39,0L39,108"
 28 |         android:strokeWidth="0.8"
 29 |         android:strokeColor="#33FFFFFF" />
 30 |     <path
 31 |         android:fillColor="#00000000"
 32 |         android:pathData="M49,0L49,108"
 33 |         android:strokeWidth="0.8"
 34 |         android:strokeColor="#33FFFFFF" />
 35 |     <path
 36 |         android:fillColor="#00000000"
 37 |         android:pathData="M59,0L59,108"
 38 |         android:strokeWidth="0.8"
 39 |         android:strokeColor="#33FFFFFF" />
 40 |     <path
 41 |         android:fillColor="#00000000"
 42 |         android:pathData="M69,0L69,108"
 43 |         android:strokeWidth="0.8"
 44 |         android:strokeColor="#33FFFFFF" />
 45 |     <path
 46 |         android:fillColor="#00000000"
 47 |         android:pathData="M79,0L79,108"
 48 |         android:strokeWidth="0.8"
 49 |         android:strokeColor="#33FFFFFF" />
 50 |     <path
 51 |         android:fillColor="#00000000"
 52 |         android:pathData="M89,0L89,108"
 53 |         android:strokeWidth="0.8"
 54 |         android:strokeColor="#33FFFFFF" />
 55 |     <path
 56 |         android:fillColor="#00000000"
 57 |         android:pathData="M99,0L99,108"
 58 |         android:strokeWidth="0.8"
 59 |         android:strokeColor="#33FFFFFF" />
 60 |     <path
 61 |         android:fillColor="#00000000"
 62 |         android:pathData="M0,9L108,9"
 63 |         android:strokeWidth="0.8"
 64 |         android:strokeColor="#33FFFFFF" />
 65 |     <path
 66 |         android:fillColor="#00000000"
 67 |         android:pathData="M0,19L108,19"
 68 |         android:strokeWidth="0.8"
 69 |         android:strokeColor="#33FFFFFF" />
 70 |     <path
 71 |         android:fillColor="#00000000"
 72 |         android:pathData="M0,29L108,29"
 73 |         android:strokeWidth="0.8"
 74 |         android:strokeColor="#33FFFFFF" />
 75 |     <path
 76 |         android:fillColor="#00000000"
 77 |         android:pathData="M0,39L108,39"
 78 |         android:strokeWidth="0.8"
 79 |         android:strokeColor="#33FFFFFF" />
 80 |     <path
 81 |         android:fillColor="#00000000"
 82 |         android:pathData="M0,49L108,49"
 83 |         android:strokeWidth="0.8"
 84 |         android:strokeColor="#33FFFFFF" />
 85 |     <path
 86 |         android:fillColor="#00000000"
 87 |         android:pathData="M0,59L108,59"
 88 |         android:strokeWidth="0.8"
 89 |         android:strokeColor="#33FFFFFF" />
 90 |     <path
 91 |         android:fillColor="#00000000"
 92 |         android:pathData="M0,69L108,69"
 93 |         android:strokeWidth="0.8"
 94 |         android:strokeColor="#33FFFFFF" />
 95 |     <path
 96 |         android:fillColor="#00000000"
 97 |         android:pathData="M0,79L108,79"
 98 |         android:strokeWidth="0.8"
 99 |         android:strokeColor="#33FFFFFF" />
100 |     <path
101 |         android:fillColor="#00000000"
102 |         android:pathData="M0,89L108,89"
103 |         android:strokeWidth="0.8"
104 |         android:strokeColor="#33FFFFFF" />
105 |     <path
106 |         android:fillColor="#00000000"
107 |         android:pathData="M0,99L108,99"
108 |         android:strokeWidth="0.8"
109 |         android:strokeColor="#33FFFFFF" />
110 |     <path
111 |         android:fillColor="#00000000"
112 |         android:pathData="M19,29L89,29"
113 |         android:strokeWidth="0.8"
114 |         android:strokeColor="#33FFFFFF" />
115 |     <path
116 |         android:fillColor="#00000000"
117 |         android:pathData="M19,39L89,39"
118 |         android:strokeWidth="0.8"
119 |         android:strokeColor="#33FFFFFF" />
120 |     <path
121 |         android:fillColor="#00000000"
122 |         android:pathData="M19,49L89,49"
123 |         android:strokeWidth="0.8"
124 |         android:strokeColor="#33FFFFFF" />
125 |     <path
126 |         android:fillColor="#00000000"
127 |         android:pathData="M19,59L89,59"
128 |         android:strokeWidth="0.8"
129 |         android:strokeColor="#33FFFFFF" />
130 |     <path
131 |         android:fillColor="#00000000"
132 |         android:pathData="M19,69L89,69"
133 |         android:strokeWidth="0.8"
134 |         android:strokeColor="#33FFFFFF" />
135 |     <path
136 |         android:fillColor="#00000000"
137 |         android:pathData="M19,79L89,79"
138 |         android:strokeWidth="0.8"
139 |         android:strokeColor="#33FFFFFF" />
140 |     <path
141 |         android:fillColor="#00000000"
142 |         android:pathData="M29,19L29,89"
143 |         android:strokeWidth="0.8"
144 |         android:strokeColor="#33FFFFFF" />
145 |     <path
146 |         android:fillColor="#00000000"
147 |         android:pathData="M39,19L39,89"
148 |         android:strokeWidth="0.8"
149 |         android:strokeColor="#33FFFFFF" />
150 |     <path
151 |         android:fillColor="#00000000"
152 |         android:pathData="M49,19L49,89"
153 |         android:strokeWidth="0.8"
154 |         android:strokeColor="#33FFFFFF" />
155 |     <path
156 |         android:fillColor="#00000000"
157 |         android:pathData="M59,19L59,89"
158 |         android:strokeWidth="0.8"
159 |         android:strokeColor="#33FFFFFF" />
160 |     <path
161 |         android:fillColor="#00000000"
162 |         android:pathData="M69,19L69,89"
163 |         android:strokeWidth="0.8"
164 |         android:strokeColor="#33FFFFFF" />
165 |     <path
166 |         android:fillColor="#00000000"
167 |         android:pathData="M79,19L79,89"
168 |         android:strokeWidth="0.8"
169 |         android:strokeColor="#33FFFFFF" />
170 | </vector>
171 | 


--------------------------------------------------------------------------------
/app/src/main/java/com/lenny/bezier/BaseView.java:
--------------------------------------------------------------------------------
  1 | package com.lenny.bezier;
  2 | 
  3 | import android.content.Context;
  4 | import android.content.res.Resources;
  5 | import android.graphics.Canvas;
  6 | import android.graphics.Color;
  7 | import android.graphics.Paint;
  8 | import android.util.AttributeSet;
  9 | import android.util.DisplayMetrics;
 10 | import android.view.View;
 11 | 
 12 | import androidx.annotation.Nullable;
 13 | 
 14 | 
 15 | public abstract class BaseView extends View {
 16 | 
 17 |     protected String TAG = this.getClass().getSimpleName();
 18 | 
 19 |     // 坐标画笔
 20 |     private Paint mCoordinatePaint;
 21 |     // 网格画笔
 22 |     private Paint mGridPaint;
 23 |     // 写字画笔
 24 |     private Paint mTextPaint;
 25 | 
 26 |     // 坐标颜色
 27 |     private int mCoordinateColor;
 28 |     private int mGridColor;
 29 | 
 30 |     // 网格宽度 50px
 31 |     private int mGridWidth = 50;
 32 | 
 33 |     // 坐标线宽度
 34 |     private final float mCoordinateLineWidth = 2.5f;
 35 |     // 网格宽度
 36 |     private final float mGridLineWidth = 1f;
 37 |     // 字体大小
 38 |     private float mTextSize;
 39 | 
 40 |     // 标柱的高度
 41 |     private final float mCoordinateFlagHeight = 8f;
 42 | 
 43 |     private boolean _isInit;
 44 |     protected float mWidth;
 45 |     protected float mHeight;
 46 | 
 47 |     private int mStatusBarHeight;
 48 | 
 49 |     public BaseView(Context context) {
 50 |         this(context, null, 0);
 51 |     }
 52 | 
 53 |     public BaseView(Context context, @Nullable AttributeSet attrs) {
 54 |         this(context, attrs, 0);
 55 |     }
 56 | 
 57 |     public BaseView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
 58 |         super(context, attrs, defStyleAttr);
 59 |         initCoordinate(context);
 60 |         init(context);
 61 |     }
 62 | 
 63 |     @Override
 64 |     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
 65 |         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
 66 |         if (!_isInit) {
 67 |             _isInit = true;
 68 | 
 69 |             mWidth = getMeasuredWidth();
 70 |             mHeight = getMeasuredHeight() + mStatusBarHeight;
 71 |         }
 72 |     }
 73 | 
 74 |     protected void initCoordinate(Context context) {
 75 |         mCoordinateColor = Color.BLACK;
 76 |         mGridColor = Color.LTGRAY;
 77 | 
 78 |         mStatusBarHeight = getStatusBarHeight(context);
 79 | 
 80 |         mTextSize = sp2px(context, 10);
 81 | 
 82 |         mCoordinatePaint = new Paint();
 83 |         mCoordinatePaint.setAntiAlias(true);
 84 |         mCoordinatePaint.setColor(mCoordinateColor);
 85 |         mCoordinatePaint.setStrokeWidth(mCoordinateLineWidth);
 86 | 
 87 |         mGridPaint = new Paint();
 88 |         mGridPaint.setAntiAlias(true);
 89 |         mGridPaint.setColor(mGridColor);
 90 |         mGridPaint.setStrokeWidth(mGridLineWidth);
 91 | 
 92 |         mTextPaint = new Paint();
 93 |         mTextPaint.setAntiAlias(true);
 94 |         mTextPaint.setColor(mCoordinateColor);
 95 |         mTextPaint.setTextAlign(Paint.Align.CENTER);
 96 |         mTextPaint.setTextSize(mTextSize);
 97 |     }
 98 | 
 99 |     protected abstract void init(Context context);
100 | 
101 |     /**
102 |      * 画坐标和网格，以画布中心点为原点
103 |      *
104 |      * @param canvas 画布
105 |      */
106 |     protected void drawCoordinate(Canvas canvas) {
107 | 
108 |         float halfWidth = mWidth / 2;
109 |         float halfHeight = mHeight / 2;
110 | 
111 |         // 画网格
112 |         canvas.save();
113 |         canvas.translate(halfWidth, halfHeight);
114 |         int curWidth = mGridWidth;
115 |         // 画横线
116 |         while (curWidth < halfWidth + mGridWidth) {
117 | 
118 |             // 向右画
119 |             canvas.drawLine(curWidth, -halfHeight, curWidth, halfHeight, mGridPaint);
120 |             // 向左画
121 |             canvas.drawLine(-curWidth, -halfHeight, -curWidth, halfHeight, mGridPaint);
122 | 
123 |             // 画标柱
124 |             canvas.drawLine(curWidth, 0, curWidth, -mCoordinateFlagHeight, mCoordinatePaint);
125 |             canvas.drawLine(-curWidth, 0, -curWidth, -mCoordinateFlagHeight, mCoordinatePaint);
126 | 
127 |             // 标柱宽度（每两个画一个）
128 |             if (curWidth % (mGridWidth * 2) == 0) {
129 |                 canvas.drawText(curWidth + "", curWidth, mTextSize * 1.5f, mTextPaint);
130 |                 canvas.drawText(-curWidth + "", -curWidth, mTextSize * 1.5f, mTextPaint);
131 |             }
132 | 
133 |             curWidth += mGridWidth;
134 |         }
135 | 
136 |         int curHeight = mGridWidth;
137 |         // 画竖线
138 |         while (curHeight < halfHeight + mGridWidth) {
139 | 
140 |             // 向右画
141 |             canvas.drawLine(-halfWidth, curHeight, halfWidth, curHeight, mGridPaint);
142 |             // 向左画
143 |             canvas.drawLine(-halfWidth, -curHeight, halfWidth, -curHeight, mGridPaint);
144 | 
145 |             // 画标柱
146 |             canvas.drawLine(0, curHeight, mCoordinateFlagHeight, curHeight, mCoordinatePaint);
147 |             canvas.drawLine(0, -curHeight, mCoordinateFlagHeight, -curHeight, mCoordinatePaint);
148 | 
149 |             // 标柱宽度（每两个画一个）
150 |             if (curHeight % (mGridWidth * 2) == 0) {
151 |                 canvas.drawText(curHeight + "", -mTextSize * 2, curHeight + mTextSize / 2, mTextPaint);
152 |                 canvas.drawText(-curHeight + "", -mTextSize * 2, -curHeight + mTextSize / 2, mTextPaint);
153 |             }
154 | 
155 |             curHeight += mGridWidth;
156 |         }
157 |         canvas.restore();
158 | 
159 |         // 画 x，y 轴
160 |         canvas.drawLine(halfWidth, 0, halfWidth, mHeight, mCoordinatePaint);
161 |         canvas.drawLine(0, halfHeight, mWidth, halfHeight, mCoordinatePaint);
162 | 
163 |     }
164 | 
165 |     protected int sp2px(Context context, float spValue) {
166 |         final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
167 |         return (int) (spValue * fontScale + 0.5f);
168 |     }
169 | 
170 |     /**
171 |      * 转换 dp 至 px
172 |      *
173 |      * @param dp dp像素
174 |      * @return
175 |      */
176 |     protected int dpToPx(float dp) {
177 |         DisplayMetrics metrics = Resources.getSystem().getDisplayMetrics();
178 |         return (int) (dp * metrics.density + 0.5f);
179 |     }
180 | 
181 |     protected int getStatusBarHeight(Context context) {
182 |         int result = 0;
183 |         int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen", "android");
184 |         if (resourceId > 0) {
185 |             result = context.getResources().getDimensionPixelSize(resourceId);
186 |         }
187 |         return result;
188 |     }
189 | }
190 | 
191 | 


--------------------------------------------------------------------------------
/app/src/main/java/com/lenny/bezier/BlurUtil.java:
--------------------------------------------------------------------------------
  1 | package com.lenny.bezier;
  2 | 
  3 | import android.graphics.Bitmap;
  4 | 
  5 | 
  6 | public class BlurUtil {
  7 |     private static final String TAG = BlurUtil.class.getSimpleName();
  8 | 
  9 |     /**
 10 |      * 对图片进行毛玻璃化
 11 |      *
 12 |      * @param sentBitmap       位图
 13 |      * @param radius           虚化程度
 14 |      * @param canReuseInBitmap 是否重用
 15 |      * @return 位图
 16 |      */
 17 |     public static Bitmap doBlur(Bitmap sentBitmap, int radius, boolean canReuseInBitmap) {
 18 |         // Stack Blur v1.0 from
 19 |         // http://www.quasimondo.com/StackBlurForCanvas/StackBlurDemo.html
 20 |         //
 21 |         // Java Author: Mario Klingemann <mario at quasimondo.com>
 22 |         // http://incubator.quasimondo.com
 23 |         // created Feburary 29, 2004
 24 |         // Android port : Yahel Bouaziz <yahel at kayenko.com>
 25 |         // http://www.kayenko.com
 26 |         // ported april 5th, 2012
 27 |         // This is a compromise between Gaussian Blur and Box blur
 28 |         // It creates much better looking blurs than Box Blur, but is
 29 |         // 7x faster than my Gaussian Blur implementation.
 30 |         //
 31 |         // I called it Stack Blur because this describes best how this
 32 |         // filter works internally: it creates a kind of moving stack
 33 |         // of colors whilst scanning through the image. Thereby it
 34 |         // just has to add one new block of color to the right side
 35 |         // of the stack and remove the leftmost color. The remaining
 36 |         // colors on the topmost layer of the stack are either added on
 37 |         // or reduced by one, depending on if they are on the right or
 38 |         // on the left side of the stack.
 39 |         //
 40 |         // If you are using this algorithm in your code please add
 41 |         // the following line:
 42 |         //
 43 |         // Stack Blur Algorithm by Mario Klingemann <mario@quasimondo.com>
 44 |         Bitmap bitmap;
 45 |         if (canReuseInBitmap) {
 46 |             bitmap = sentBitmap;
 47 |         } else {
 48 |             bitmap = sentBitmap.copy(sentBitmap.getConfig(), true);
 49 |         }
 50 |         if (radius < 1) {
 51 |             return (null);
 52 |         }
 53 |         int w = bitmap.getWidth();
 54 |         int h = bitmap.getHeight();
 55 |         int[] pix = new int[w * h];
 56 |         bitmap.getPixels(pix, 0, w, 0, 0, w, h);
 57 |         int wm = w - 1;
 58 |         int hm = h - 1;
 59 |         int wh = w * h;
 60 |         int div = radius + radius + 1;
 61 |         int r[] = new int[wh];
 62 |         int g[] = new int[wh];
 63 |         int b[] = new int[wh];
 64 |         int rsum, gsum, bsum, x, y, i, p, yp, yi, yw;
 65 |         int vmin[] = new int[Math.max(w, h)];
 66 |         int divsum = (div + 1) >> 1;
 67 |         divsum *= divsum;
 68 |         int dv[] = new int[256 * divsum];
 69 |         for (i = 0; i < 256 * divsum; i++) {
 70 |             dv[i] = (i / divsum);
 71 |         }
 72 |         yw = yi = 0;
 73 |         int[][] stack = new int[div][3];
 74 |         int stackpointer;
 75 |         int stackstart;
 76 |         int[] sir;
 77 |         int rbs;
 78 |         int r1 = radius + 1;
 79 |         int routsum, goutsum, boutsum;
 80 |         int rinsum, ginsum, binsum;
 81 |         for (y = 0; y < h; y++) {
 82 |             rinsum = ginsum = binsum = routsum = goutsum = boutsum = rsum = gsum = bsum = 0;
 83 |             for (i = -radius; i <= radius; i++) {
 84 |                 p = pix[yi + Math.min(wm, Math.max(i, 0))];
 85 |                 sir = stack[i + radius];
 86 |                 sir[0] = (p & 0xff0000) >> 16;
 87 |                 sir[1] = (p & 0x00ff00) >> 8;
 88 |                 sir[2] = (p & 0x0000ff);
 89 |                 rbs = r1 - Math.abs(i);
 90 |                 rsum += sir[0] * rbs;
 91 |                 gsum += sir[1] * rbs;
 92 |                 bsum += sir[2] * rbs;
 93 |                 if (i > 0) {
 94 |                     rinsum += sir[0];
 95 |                     ginsum += sir[1];
 96 |                     binsum += sir[2];
 97 |                 } else {
 98 |                     routsum += sir[0];
 99 |                     goutsum += sir[1];
100 |                     boutsum += sir[2];
101 |                 }
102 |             }
103 |             stackpointer = radius;
104 |             for (x = 0; x < w; x++) {
105 |                 r[yi] = dv[rsum];
106 |                 g[yi] = dv[gsum];
107 |                 b[yi] = dv[bsum];
108 |                 rsum -= routsum;
109 |                 gsum -= goutsum;
110 |                 bsum -= boutsum;
111 |                 stackstart = stackpointer - radius + div;
112 |                 sir = stack[stackstart % div];
113 |                 routsum -= sir[0];
114 |                 goutsum -= sir[1];
115 |                 boutsum -= sir[2];
116 |                 if (y == 0) {
117 |                     vmin[x] = Math.min(x + radius + 1, wm);
118 |                 }
119 |                 p = pix[yw + vmin[x]];
120 |                 sir[0] = (p & 0xff0000) >> 16;
121 |                 sir[1] = (p & 0x00ff00) >> 8;
122 |                 sir[2] = (p & 0x0000ff);
123 |                 rinsum += sir[0];
124 |                 ginsum += sir[1];
125 |                 binsum += sir[2];
126 |                 rsum += rinsum;
127 |                 gsum += ginsum;
128 |                 bsum += binsum;
129 |                 stackpointer = (stackpointer + 1) % div;
130 |                 sir = stack[(stackpointer) % div];
131 |                 routsum += sir[0];
132 |                 goutsum += sir[1];
133 |                 boutsum += sir[2];
134 |                 rinsum -= sir[0];
135 |                 ginsum -= sir[1];
136 |                 binsum -= sir[2];
137 |                 yi++;
138 |             }
139 |             yw += w;
140 |         }
141 |         for (x = 0; x < w; x++) {
142 |             rinsum = ginsum = binsum = routsum = goutsum = boutsum = rsum = gsum = bsum = 0;
143 |             yp = -radius * w;
144 |             for (i = -radius; i <= radius; i++) {
145 |                 yi = Math.max(0, yp) + x;
146 |                 sir = stack[i + radius];
147 |                 sir[0] = r[yi];
148 |                 sir[1] = g[yi];
149 |                 sir[2] = b[yi];
150 |                 rbs = r1 - Math.abs(i);
151 |                 rsum += r[yi] * rbs;
152 |                 gsum += g[yi] * rbs;
153 |                 bsum += b[yi] * rbs;
154 |                 if (i > 0) {
155 |                     rinsum += sir[0];
156 |                     ginsum += sir[1];
157 |                     binsum += sir[2];
158 |                 } else {
159 |                     routsum += sir[0];
160 |                     goutsum += sir[1];
161 |                     boutsum += sir[2];
162 |                 }
163 |                 if (i < hm) {
164 |                     yp += w;
165 |                 }
166 |             }
167 |             yi = x;
168 |             stackpointer = radius;
169 |             for (y = 0; y < h; y++) {
170 |                 // Preserve alpha channel: ( 0xff000000 & pix[yi] )
171 |                 pix[yi] = (0xff000000 & pix[yi]) | (dv[rsum] << 16) | (dv[gsum] << 8) | dv[bsum];
172 |                 rsum -= routsum;
173 |                 gsum -= goutsum;
174 |                 bsum -= boutsum;
175 |                 stackstart = stackpointer - radius + div;
176 |                 sir = stack[stackstart % div];
177 |                 routsum -= sir[0];
178 |                 goutsum -= sir[1];
179 |                 boutsum -= sir[2];
180 |                 if (x == 0) {
181 |                     vmin[y] = Math.min(y + r1, hm) * w;
182 |                 }
183 |                 p = x + vmin[y];
184 |                 sir[0] = r[p];
185 |                 sir[1] = g[p];
186 |                 sir[2] = b[p];
187 |                 rinsum += sir[0];
188 |                 ginsum += sir[1];
189 |                 binsum += sir[2];
190 |                 rsum += rinsum;
191 |                 gsum += ginsum;
192 |                 bsum += binsum;
193 |                 stackpointer = (stackpointer + 1) % div;
194 |                 sir = stack[stackpointer];
195 |                 routsum += sir[0];
196 |                 goutsum += sir[1];
197 |                 boutsum += sir[2];
198 |                 rinsum -= sir[0];
199 |                 ginsum -= sir[1];
200 |                 binsum -= sir[2];
201 |                 yi += w;
202 |             }
203 |         }
204 |         bitmap.setPixels(pix, 0, w, 0, 0, w, h);
205 | //        print("虚化后 ",bitmap);
206 |         return (bitmap);
207 |     }
208 | 
209 |     /**
210 |      * 对图片进行毛玻璃化
211 |      *
212 |      * @param originBitmap 位图
213 |      * @param scaleRatio   缩放比率
214 |      * @param blurRadius   毛玻璃化比率，虚化程度
215 |      * @return 位图
216 |      */
217 |     public static Bitmap doBlur(Bitmap originBitmap, int scaleRatio, int blurRadius) {
218 | //        print("原图：：",originBitmap);
219 |         Bitmap scaledBitmap = Bitmap.createScaledBitmap(originBitmap,
220 |                 originBitmap.getWidth() / scaleRatio,
221 |                 originBitmap.getHeight() / scaleRatio,
222 |                 false);
223 |         Bitmap blurBitmap = doBlur(scaledBitmap, blurRadius, false);
224 |         scaledBitmap.recycle();
225 |         return blurBitmap;
226 |     }
227 | }
228 | 


--------------------------------------------------------------------------------
/app/src/main/java/com/lenny/bezier/DIYBezierView.java:
--------------------------------------------------------------------------------
  1 | package com.lenny.bezier;
  2 | 
  3 | import android.content.Context;
  4 | import android.graphics.Canvas;
  5 | import android.graphics.Color;
  6 | import android.graphics.Paint;
  7 | import android.graphics.Path;
  8 | import android.graphics.PointF;
  9 | import android.graphics.RectF;
 10 | import android.util.AttributeSet;
 11 | import android.view.MotionEvent;
 12 | 
 13 | import java.util.ArrayList;
 14 | import java.util.List;
 15 | 
 16 | import androidx.annotation.Nullable;
 17 | 
 18 | 
 19 | public class DIYBezierView extends BaseView {
 20 | 
 21 |     public static final String BEZIER_CIRCLE_COLOR = "#1296db";    //绿色
 22 |     public static final String NATIVE_CIRCLE_COLOR = "#1296db";    //橙色
 23 |     public static final String SEL_POINT_COLOR = "#1296db";        //蓝色
 24 | 
 25 |     // 圆的中心点
 26 |     private PointF mCenterPoint;
 27 |     // 圆半径
 28 |     private float mRadius;
 29 | 
 30 |     // 控制点列表，顺序为：右上、右下、左下、左上
 31 |     private List<PointF> mControlPointList;
 32 | 
 33 |     // 选中的点集合，受 status 影响
 34 |     private final List<PointF> mCurSelectPointList = new ArrayList<>();
 35 | 
 36 |     // 控制点占半径的比例
 37 |     private float mRatio;
 38 | 
 39 |     private Path mPath;
 40 | 
 41 | 
 42 |     private Paint mPaint;
 43 | 
 44 |     // 有效触碰的范围
 45 |     private int mTouchRegionWidth;
 46 | 
 47 | 
 48 |     // 是否显示辅助线
 49 |     private boolean mIsShowHelpLine;
 50 | 
 51 |     // 触碰的x轴
 52 |     private float mLastX = -1;
 53 |     // 触碰的y轴
 54 |     private float mLastY = -1;
 55 | 
 56 |     public DIYBezierView(Context context) {
 57 |         super(context);
 58 |     }
 59 | 
 60 |     public DIYBezierView(Context context, @Nullable AttributeSet attrs) {
 61 |         super(context, attrs);
 62 |     }
 63 | 
 64 |     public DIYBezierView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
 65 |         super(context, attrs, defStyleAttr);
 66 |     }
 67 | 
 68 |     /**
 69 |      * 获取控制点
 70 |      *
 71 |      * @return
 72 |      */
 73 |     public List<PointF> getControlPointList() {
 74 |         return mControlPointList;
 75 |     }
 76 | 
 77 | 
 78 |     public void setIsShowHelpLine(boolean isShowHelpLine) {
 79 |         this.mIsShowHelpLine = isShowHelpLine;
 80 |         invalidate();
 81 |     }
 82 | 
 83 |     @Override
 84 |     protected void init(Context context) {
 85 |         int width = context.getResources().getDisplayMetrics().widthPixels;
 86 |         mRadius = width / 4;
 87 | 
 88 | //        LINE_WIDTH = dpToPx(2);
 89 | //        POINT_RADIO_WIDTH = dpToPx(4);
 90 | //        SEL_POINT_RADIO_WIDTH = dpToPx(6);
 91 |         mTouchRegionWidth = dpToPx(20);
 92 | 
 93 |         mCenterPoint = new PointF(0, 0);
 94 | 
 95 |         mControlPointList = new ArrayList<>();
 96 | 
 97 |         mPath = new Path();
 98 | 
 99 |         mPaint = new Paint();
100 |         mPaint.setAntiAlias(true);
101 |         mPaint.setStyle(Paint.Style.STROKE);
102 |         mPaint.setStrokeWidth(4);
103 |         mPaint.setAlpha(200);
104 |         mPaint.setColor(Color.parseColor(BEZIER_CIRCLE_COLOR));
105 | //        mPaint.setPathEffect(new DashPathEffect(new float[]{10, 10}, 0));
106 | 
107 |         mIsShowHelpLine = true;
108 | 
109 |         mRatio = 0.55f;
110 | 
111 |         calculateControlPoint();
112 |     }
113 | 
114 |     public void setBezierCircleColor(int color){
115 |         mPaint.setColor(color);
116 |     }
117 |     public void setBezierCircleColor(String color) {
118 |         mPaint.setColor(Color.parseColor(color));
119 |     }
120 | 
121 |     public void reset() {
122 |         calculateControlPoint();
123 |         invalidate();
124 |     }
125 | 
126 |     public void play() {
127 |         calculateControlPointPlay();
128 |         invalidate();
129 |     }
130 | 
131 |     @Override
132 |     protected void onDraw(Canvas canvas) {
133 | //        drawCoordinate(canvas);
134 | 
135 |         canvas.translate(mWidth / 2, mHeight / 2);
136 | 
137 |         mPath.reset();
138 | 
139 |         // 画圆
140 |         for (int i = 0; i < 4; i++) {
141 |             if (i == 0) {
142 |                 mPath.moveTo(mControlPointList.get(i * 3).x, mControlPointList.get(i * 3).y);
143 |             } else {
144 |                 mPath.lineTo(mControlPointList.get(i * 3).x, mControlPointList.get(i * 3).y);
145 |             }
146 | 
147 |             int endPointIndex;
148 |             if (i == 3) {
149 |                 endPointIndex = 0;
150 |             } else {
151 |                 endPointIndex = i * 3 + 3;
152 |             }
153 | 
154 |             mPath.cubicTo(mControlPointList.get(i * 3 + 1).x, mControlPointList.get(i * 3 + 1).y,
155 |                     mControlPointList.get(i * 3 + 2).x, mControlPointList.get(i * 3 + 2).y,
156 |                     mControlPointList.get(endPointIndex).x, mControlPointList.get(endPointIndex).y);
157 |         }
158 |         // 绘制贝塞尔曲线
159 |         canvas.drawPath(mPath, mPaint);
160 | 
161 |         // 不需要辅助线，则画完贝塞尔曲线就终止
162 |         if (!mIsShowHelpLine) {
163 |             return;
164 |         }
165 | 
166 |     }
167 | 
168 |     @Override
169 |     public boolean onTouchEvent(MotionEvent event) {
170 | 
171 |         // 触碰的坐标
172 |         float x = event.getX();
173 |         float y = event.getY();
174 | 
175 |         switch (event.getAction()) {
176 |             case MotionEvent.ACTION_DOWN:
177 |                 if (selectControlPoint(x, y)) {
178 |                     mLastX = x;
179 |                     mLastY = y;
180 |                 }
181 | 
182 |                 break;
183 |             case MotionEvent.ACTION_MOVE:
184 |                 if (mLastX == -1 || mLastY == -1) {
185 |                     return true;
186 |                 }
187 | 
188 |                 // 计算偏移值
189 |                 float offsetX = x - mLastX;
190 |                 float offsetY = y - mLastY;
191 | 
192 |                 for (PointF point : mCurSelectPointList) {
193 |                     point.x = point.x + offsetX;
194 |                     point.y = point.y + offsetY;
195 |                 }
196 | //                }
197 | 
198 | 
199 |                 mLastX = x;
200 |                 mLastY = y;
201 | 
202 |                 break;
203 |             case MotionEvent.ACTION_UP:
204 |                 mCurSelectPointList.clear();
205 | //                mSelPoint = null;
206 |                 mLastX = -1;
207 |                 mLastY = -1;
208 |                 break;
209 |             default:
210 |                 break;
211 |         }
212 | 
213 |         invalidate();
214 | 
215 |         return true;
216 |     }
217 | 
218 |     /**
219 |      * 是否在有效的触碰范围
220 |      *
221 |      * @param x
222 |      * @param y
223 |      * @return true 有选中；false 无选中
224 |      */
225 |     private boolean selectControlPoint(float x, float y) {
226 | 
227 |         // 选中的下标
228 |         int selIndex = -1;
229 | 
230 |         for (int i = 0; i < mControlPointList.size(); ++i) {
231 | 
232 |             PointF controlPoint = mControlPointList.get(i);
233 | 
234 |             float resultX = controlPoint.x + mWidth / 2;
235 |             float resultY = controlPoint.y + mHeight / 2;
236 | 
237 |             RectF pointRange = new RectF(resultX - mTouchRegionWidth + 2,
238 |                     resultY - mTouchRegionWidth,
239 |                     resultX + mTouchRegionWidth,
240 |                     resultY + mTouchRegionWidth);
241 | 
242 |             if (pointRange.contains(x, y)) {
243 |                 selIndex = i;
244 |                 break;
245 |             }
246 |         }
247 | 
248 |         // 如果没有选中的就返回
249 |         if (selIndex == -1) {
250 |             return false;
251 |         }
252 | 
253 |         // 清空之前的选中点
254 |         mCurSelectPointList.clear();
255 | 
256 | //        mSelPoint = mControlPointList.get(selIndex);
257 | 
258 |         mCurSelectPointList.add(mControlPointList.get(selIndex));
259 | 
260 |         return true;
261 | 
262 |     }
263 | 
264 |     /**
265 |      * 计算圆的控制点
266 |      */
267 |     private void calculateControlPoint() {
268 |         // 计算 中间控制点到端点的距离
269 |         float controlWidth = mRatio * mRadius;
270 | 
271 |         mControlPointList.clear();
272 | 
273 |         // 右上
274 |         mControlPointList.add(new PointF(0, -mRadius));//
275 |         mControlPointList.add(new PointF(controlWidth, -mRadius));
276 |         mControlPointList.add(new PointF(mRadius, -controlWidth));
277 | 
278 |         // 右下
279 |         mControlPointList.add(new PointF(mRadius, 0));
280 |         mControlPointList.add(new PointF(mRadius, controlWidth));
281 |         mControlPointList.add(new PointF(controlWidth, mRadius));
282 | 
283 |         // 左下
284 |         mControlPointList.add(new PointF(0, mRadius));
285 |         mControlPointList.add(new PointF(-controlWidth, mRadius));
286 |         mControlPointList.add(new PointF(-mRadius, controlWidth));
287 |         // 左上
288 |         mControlPointList.add(new PointF(-mRadius, 0));
289 |         mControlPointList.add(new PointF(-mRadius, -controlWidth));
290 |         mControlPointList.add(new PointF(-controlWidth, -mRadius));
291 | 
292 |     }
293 | 
294 | 
295 |     /**
296 |      * 计算圆的控制点
297 |      */
298 |     private void calculateControlPointPlay() {
299 |         // 计算 中间控制点到端点的距离
300 |         float controlWidth = mRatio * mRadius;
301 | 
302 |         mControlPointList.clear();
303 | 
304 | 
305 |         // 右上
306 |         mControlPointList.add(new PointF((float) (Math.random() * 30), (float) (-mRadius - (Math.random() * 30))));//
307 |         mControlPointList.add(new PointF((float) (controlWidth + Math.random() * 100), -mRadius));
308 |         mControlPointList.add(new PointF((float) (mRadius + Math.random() * 50), -controlWidth));
309 | 
310 |         // 右下
311 |         mControlPointList.add(new PointF((float) (Math.random() *30) + mRadius, 0));
312 |         mControlPointList.add(new PointF((float) (mRadius + Math.random() * 60), controlWidth));
313 |         mControlPointList.add(new PointF(controlWidth, (float) (mRadius + Math.random() * 70)));
314 | 
315 |         // 左下
316 |         mControlPointList.add(new PointF((float) (Math.random() * 30), (float) (mRadius + (Math.random() * 30))));
317 |         mControlPointList.add(new PointF((float) (-controlWidth - Math.random() * 100), mRadius));
318 |         mControlPointList.add(new PointF(-mRadius, (float) (controlWidth + Math.random() * 100)));
319 |         // 左上
320 |         mControlPointList.add(new PointF(-mRadius - (float) (Math.random() * 40), (float) (Math.random() * 40)));
321 |         mControlPointList.add(new PointF((float) (-mRadius - Math.random() * 110), -controlWidth));
322 |         mControlPointList.add(new PointF(-controlWidth, (float) (-mRadius - Math.random() * 150)));
323 | 
324 |     }
325 | 
326 | }
327 | 


--------------------------------------------------------------------------------
/app/app.iml:
--------------------------------------------------------------------------------
  1 | <?xml version="1.0" encoding="UTF-8"?>
  2 | <module external.linked.project.id=":app" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/.." external.system.id="GRADLE" type="JAVA_MODULE" version="4">
  3 |   <component name="FacetManager">
  4 |     <facet type="android-gradle" name="Android-Gradle">
  5 |       <configuration>
  6 |         <option name="GRADLE_PROJECT_PATH" value=":app" />
  7 |         <option name="LAST_SUCCESSFUL_SYNC_AGP_VERSION" value="3.5.0" />
  8 |         <option name="LAST_KNOWN_AGP_VERSION" value="3.5.0" />
  9 |       </configuration>
 10 |     </facet>
 11 |     <facet type="android" name="Android">
 12 |       <configuration>
 13 |         <option name="SELECTED_BUILD_VARIANT" value="debug" />
 14 |         <option name="ASSEMBLE_TASK_NAME" value="assembleDebug" />
 15 |         <option name="COMPILE_JAVA_TASK_NAME" value="compileDebugSources" />
 16 |         <afterSyncTasks>
 17 |           <task>generateDebugSources</task>
 18 |         </afterSyncTasks>
 19 |         <option name="ALLOW_USER_CONFIGURATION" value="false" />
 20 |         <option name="MANIFEST_FILE_RELATIVE_PATH" value="/src/main/AndroidManifest.xml" />
 21 |         <option name="RES_FOLDER_RELATIVE_PATH" value="/src/main/res" />
 22 |         <option name="RES_FOLDERS_RELATIVE_PATH" value="file://$MODULE_DIR$/src/main/res" />
 23 |         <option name="TEST_RES_FOLDERS_RELATIVE_PATH" value="" />
 24 |         <option name="ASSETS_FOLDER_RELATIVE_PATH" value="/src/main/assets" />
 25 |       </configuration>
 26 |     </facet>
 27 |   </component>
 28 |   <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_7">
 29 |     <output url="file://$MODULE_DIR$/build/intermediates/javac/debug/classes" />
 30 |     <output-test url="file://$MODULE_DIR$/build/intermediates/javac/debugUnitTest/classes" />
 31 |     <exclude-output />
 32 |     <content url="file://$MODULE_DIR$">
 33 |       <sourceFolder url="file://$MODULE_DIR$/build/generated/ap_generated_sources/debug/out" isTestSource="false" generated="true" />
 34 |       <sourceFolder url="file://$MODULE_DIR$/build/generated/aidl_source_output_dir/debug/compileDebugAidl/out" isTestSource="false" generated="true" />
 35 |       <sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/debug" isTestSource="false" generated="true" />
 36 |       <sourceFolder url="file://$MODULE_DIR$/build/generated/renderscript_source_output_dir/debug/compileDebugRenderscript/out" isTestSource="false" generated="true" />
 37 |       <sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/debug" type="java-resource" generated="true" />
 38 |       <sourceFolder url="file://$MODULE_DIR$/build/generated/res/resValues/debug" type="java-resource" generated="true" />
 39 |       <sourceFolder url="file://$MODULE_DIR$/build/generated/ap_generated_sources/debugAndroidTest/out" isTestSource="true" generated="true" />
 40 |       <sourceFolder url="file://$MODULE_DIR$/build/generated/aidl_source_output_dir/debugAndroidTest/compileDebugAndroidTestAidl/out" isTestSource="true" generated="true" />
 41 |       <sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/androidTest/debug" isTestSource="true" generated="true" />
 42 |       <sourceFolder url="file://$MODULE_DIR$/build/generated/renderscript_source_output_dir/debugAndroidTest/compileDebugAndroidTestRenderscript/out" isTestSource="true" generated="true" />
 43 |       <sourceFolder url="file://$MODULE_DIR$/build/generated/res/rs/androidTest/debug" type="java-test-resource" generated="true" />
 44 |       <sourceFolder url="file://$MODULE_DIR$/build/generated/res/resValues/androidTest/debug" type="java-test-resource" generated="true" />
 45 |       <sourceFolder url="file://$MODULE_DIR$/build/generated/ap_generated_sources/debugUnitTest/out" isTestSource="true" generated="true" />
 46 |       <sourceFolder url="file://$MODULE_DIR$/src/debug/res" type="java-resource" />
 47 |       <sourceFolder url="file://$MODULE_DIR$/src/debug/resources" type="java-resource" />
 48 |       <sourceFolder url="file://$MODULE_DIR$/src/debug/assets" type="java-resource" />
 49 |       <sourceFolder url="file://$MODULE_DIR$/src/debug/aidl" isTestSource="false" />
 50 |       <sourceFolder url="file://$MODULE_DIR$/src/debug/java" isTestSource="false" />
 51 |       <sourceFolder url="file://$MODULE_DIR$/src/debug/rs" isTestSource="false" />
 52 |       <sourceFolder url="file://$MODULE_DIR$/src/debug/shaders" isTestSource="false" />
 53 |       <sourceFolder url="file://$MODULE_DIR$/src/androidTestDebug/res" type="java-test-resource" />
 54 |       <sourceFolder url="file://$MODULE_DIR$/src/androidTestDebug/resources" type="java-test-resource" />
 55 |       <sourceFolder url="file://$MODULE_DIR$/src/androidTestDebug/assets" type="java-test-resource" />
 56 |       <sourceFolder url="file://$MODULE_DIR$/src/androidTestDebug/aidl" isTestSource="true" />
 57 |       <sourceFolder url="file://$MODULE_DIR$/src/androidTestDebug/java" isTestSource="true" />
 58 |       <sourceFolder url="file://$MODULE_DIR$/src/androidTestDebug/rs" isTestSource="true" />
 59 |       <sourceFolder url="file://$MODULE_DIR$/src/androidTestDebug/shaders" isTestSource="true" />
 60 |       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/res" type="java-test-resource" />
 61 |       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/resources" type="java-test-resource" />
 62 |       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/assets" type="java-test-resource" />
 63 |       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/aidl" isTestSource="true" />
 64 |       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/java" isTestSource="true" />
 65 |       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/rs" isTestSource="true" />
 66 |       <sourceFolder url="file://$MODULE_DIR$/src/testDebug/shaders" isTestSource="true" />
 67 |       <sourceFolder url="file://$MODULE_DIR$/src/main/res" type="java-resource" />
 68 |       <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
 69 |       <sourceFolder url="file://$MODULE_DIR$/src/main/assets" type="java-resource" />
 70 |       <sourceFolder url="file://$MODULE_DIR$/src/main/aidl" isTestSource="false" />
 71 |       <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
 72 |       <sourceFolder url="file://$MODULE_DIR$/src/main/rs" isTestSource="false" />
 73 |       <sourceFolder url="file://$MODULE_DIR$/src/main/shaders" isTestSource="false" />
 74 |       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/res" type="java-test-resource" />
 75 |       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/resources" type="java-test-resource" />
 76 |       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/assets" type="java-test-resource" />
 77 |       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/aidl" isTestSource="true" />
 78 |       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/java" isTestSource="true" />
 79 |       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
 80 |       <sourceFolder url="file://$MODULE_DIR$/src/androidTest/shaders" isTestSource="true" />
 81 |       <sourceFolder url="file://$MODULE_DIR$/src/test/res" type="java-test-resource" />
 82 |       <sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
 83 |       <sourceFolder url="file://$MODULE_DIR$/src/test/assets" type="java-test-resource" />
 84 |       <sourceFolder url="file://$MODULE_DIR$/src/test/aidl" isTestSource="true" />
 85 |       <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
 86 |       <sourceFolder url="file://$MODULE_DIR$/src/test/rs" isTestSource="true" />
 87 |       <sourceFolder url="file://$MODULE_DIR$/src/test/shaders" isTestSource="true" />
 88 |       <excludeFolder url="file://$MODULE_DIR$/build" />
 89 |     </content>
 90 |     <orderEntry type="jdk" jdkName="Android API 29 Platform" jdkType="Android SDK" />
 91 |     <orderEntry type="sourceFolder" forTests="false" />
 92 |     <orderEntry type="library" name="Gradle: androidx.collection:collection:1.1.0@jar" level="project" />
 93 |     <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-common:2.1.0@jar" level="project" />
 94 |     <orderEntry type="library" name="Gradle: androidx.arch.core:core-common:2.1.0@jar" level="project" />
 95 |     <orderEntry type="library" name="Gradle: androidx.annotation:annotation:1.1.0@jar" level="project" />
 96 |     <orderEntry type="library" name="Gradle: com.makeramen:roundedimageview:2.2.1@aar" level="project" />
 97 |     <orderEntry type="library" name="Gradle: androidx.appcompat:appcompat:1.1.0@aar" level="project" />
 98 |     <orderEntry type="library" name="Gradle: androidx.palette:palette:1.0.0@aar" level="project" />
 99 |     <orderEntry type="library" name="Gradle: androidx.fragment:fragment:1.1.0@aar" level="project" />
100 |     <orderEntry type="library" name="Gradle: androidx.appcompat:appcompat-resources:1.1.0@aar" level="project" />
101 |     <orderEntry type="library" name="Gradle: androidx.drawerlayout:drawerlayout:1.0.0@aar" level="project" />
102 |     <orderEntry type="library" name="Gradle: androidx.legacy:legacy-support-core-utils:1.0.0@aar" level="project" />
103 |     <orderEntry type="library" name="Gradle: androidx.viewpager:viewpager:1.0.0@aar" level="project" />
104 |     <orderEntry type="library" name="Gradle: androidx.loader:loader:1.0.0@aar" level="project" />
105 |     <orderEntry type="library" name="Gradle: androidx.activity:activity:1.0.0@aar" level="project" />
106 |     <orderEntry type="library" name="Gradle: androidx.vectordrawable:vectordrawable-animated:1.1.0@aar" level="project" />
107 |     <orderEntry type="library" name="Gradle: androidx.vectordrawable:vectordrawable:1.1.0@aar" level="project" />
108 |     <orderEntry type="library" name="Gradle: androidx.customview:customview:1.0.0@aar" level="project" />
109 |     <orderEntry type="library" name="Gradle: androidx.core:core:1.1.0@aar" level="project" />
110 |     <orderEntry type="library" name="Gradle: androidx.cursoradapter:cursoradapter:1.0.0@aar" level="project" />
111 |     <orderEntry type="library" name="Gradle: androidx.versionedparcelable:versionedparcelable:1.1.0@aar" level="project" />
112 |     <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-viewmodel:2.1.0@aar" level="project" />
113 |     <orderEntry type="library" name="Gradle: androidx.documentfile:documentfile:1.0.0@aar" level="project" />
114 |     <orderEntry type="library" name="Gradle: androidx.localbroadcastmanager:localbroadcastmanager:1.0.0@aar" level="project" />
115 |     <orderEntry type="library" name="Gradle: androidx.print:print:1.0.0@aar" level="project" />
116 |     <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-runtime:2.1.0@aar" level="project" />
117 |     <orderEntry type="library" name="Gradle: androidx.savedstate:savedstate:1.0.0@aar" level="project" />
118 |     <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-livedata:2.0.0@aar" level="project" />
119 |     <orderEntry type="library" name="Gradle: androidx.lifecycle:lifecycle-livedata-core:2.0.0@aar" level="project" />
120 |     <orderEntry type="library" name="Gradle: androidx.interpolator:interpolator:1.0.0@aar" level="project" />
121 |     <orderEntry type="library" name="Gradle: androidx.arch.core:core-runtime:2.0.0@aar" level="project" />
122 |   </component>
123 | </module>


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