├── app
    ├── .gitignore
    ├── src
    │   └── main
    │   │   ├── res
    │   │       ├── values
    │   │       │   ├── strings.xml
    │   │       │   ├── colors.xml
    │   │       │   └── styles.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-v24
    │   │       │   └── ic_launcher_foreground.xml
    │   │       └── drawable
    │   │       │   └── ic_launcher_background.xml
    │   │   ├── AndroidManifest.xml
    │   │   └── java
    │   │       └── com
    │   │           └── blocki
    │   │               └── colorpickerview
    │   │                   └── MainActivity.java
    ├── proguard-rules.pro
    └── build.gradle
├── mylibrary
    ├── .gitignore
    ├── src
    │   └── main
    │   │   ├── res
    │   │       └── values
    │   │       │   └── strings.xml
    │   │   ├── AndroidManifest.xml
    │   │   └── java
    │   │       └── com
    │   │           └── blocki
    │   │               └── mylibrary
    │   │                   └── ColorPickerView.java
    ├── proguard-rules.pro
    └── build.gradle
├── _config.yml
├── settings.gradle
├── pics_readme
    ├── last.gif
    ├── calculateNearestCoordinate.png
    └── calculateTopLeftCornerCircle.png
├── gradle
    └── wrapper
    │   ├── gradle-wrapper.jar
    │   └── gradle-wrapper.properties
├── .gitignore
├── gradle.properties
├── README.md
├── gradlew.bat
├── gradlew
└── LICENSE


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


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/mylibrary/.gitignore:
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1 | /build


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/_config.yml:
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1 | theme: jekyll-theme-architect


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/settings.gradle:
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1 | include ':app', ':mylibrary'
2 | 


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/pics_readme/last.gif:
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https://raw.githubusercontent.com/BlockWen/ColorPickerView/HEAD/pics_readme/last.gif


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


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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/BlockWen/ColorPickerView/HEAD/gradle/wrapper/gradle-wrapper.jar


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


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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/BlockWen/ColorPickerView/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/BlockWen/ColorPickerView/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png


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/pics_readme/calculateNearestCoordinate.png:
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https://raw.githubusercontent.com/BlockWen/ColorPickerView/HEAD/pics_readme/calculateNearestCoordinate.png


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/pics_readme/calculateTopLeftCornerCircle.png:
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https://raw.githubusercontent.com/BlockWen/ColorPickerView/HEAD/pics_readme/calculateTopLeftCornerCircle.png


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/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/BlockWen/ColorPickerView/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/BlockWen/ColorPickerView/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png


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/mylibrary/src/main/AndroidManifest.xml:
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1 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
2 |     package="com.blocki.mylibrary" />
3 | 


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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/BlockWen/ColorPickerView/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/BlockWen/ColorPickerView/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/BlockWen/ColorPickerView/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/BlockWen/ColorPickerView/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/BlockWen/ColorPickerView/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/BlockWen/ColorPickerView/HEAD/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png


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/.gitignore:
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 1 | *.iml
 2 | .gradle
 3 | /local.properties
 4 | /.idea/workspace.xml
 5 | /.idea/libraries
 6 | .DS_Store
 7 | /build
 8 | /captures
 9 | .externalNativeBuild
10 | 


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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">#3F51B5</color>
4 |     <color name="colorPrimaryDark">#303F9F</color>
5 |     <color name="colorAccent">#FF4081</color>
6 | </resources>
7 | 


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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Fri Jul 19 13:42:17 GMT+08:00 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-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:
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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/values/styles.xml:
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 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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/gradle.properties:
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 1 | # Project-wide Gradle settings.
 2 | 
 3 | # IDE (e.g. Android Studio) users:
 4 | # Gradle settings configured through the IDE *will override*
 5 | # any settings specified in this file.
 6 | 
 7 | # For more details on how to configure your build environment visit
 8 | # http://www.gradle.org/docs/current/userguide/build_environment.html
 9 | 
10 | # Specifies the JVM arguments used for the daemon process.
11 | # The setting is particularly useful for tweaking memory settings.
12 | org.gradle.jvmargs=-Xmx1536m
13 | 
14 | # When configured, Gradle will run in incubating parallel mode.
15 | # This option should only be used with decoupled projects. More details, visit
16 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
17 | # org.gradle.parallel=true
18 | 


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/app/src/main/AndroidManifest.xml:
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 1 | <?xml version="1.0" encoding="utf-8"?>
 2 | <manifest xmlns:android="http://schemas.android.com/apk/res/android"
 3 |     package="com.blocki.colorpickerview">
 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:
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 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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/mylibrary/proguard-rules.pro:
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 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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/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 |     xmlns:app="http://schemas.android.com/apk/res-auto"
 4 |     xmlns:tools="http://schemas.android.com/tools"
 5 |     android:layout_width="match_parent"
 6 |     android:layout_height="match_parent"
 7 |     android:orientation="vertical"
 8 |     tools:context="com.blocki.colorpickerview.MainActivity">
 9 | 
10 |     <TextView
11 |         android:id="@+id/textview_showColor"
12 |         android:layout_width="match_parent"
13 |         android:layout_height="100dp" />
14 | 
15 |     <com.blocki.mylibrary.ColorPickerView
16 |         android:id="@+id/main_colorPickerView"
17 |         android:layout_width="match_parent"
18 |         android:layout_height="300dp" />
19 | 
20 |     <Button
21 |         android:id="@+id/btn_confirm"
22 |         android:layout_width="match_parent"
23 |         android:layout_height="wrap_content"
24 |         android:text="确认获取颜色" />
25 | 
26 | 
27 | </LinearLayout>
28 | 


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/mylibrary/build.gradle:
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 1 | apply plugin: 'com.android.library'
 2 | apply plugin: 'com.github.dcendents.android-maven'
 3 | 
 4 | group='com.github.BlockWen'
 5 | android {
 6 |     compileSdkVersion 28
 7 | 
 8 | 
 9 | 
10 |     defaultConfig {
11 |         minSdkVersion 21
12 |         targetSdkVersion 28
13 |         versionCode 1
14 |         versionName "1.0"
15 | 
16 |         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
17 | 
18 |     }
19 | 
20 |     buildTypes {
21 |         release {
22 |             minifyEnabled false
23 |             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
24 |         }
25 |     }
26 | 
27 | }
28 | 
29 | dependencies {
30 |     implementation fileTree(dir: 'libs', include: ['*.jar'])
31 | 
32 |     implementation 'com.android.support:appcompat-v7:28.0.0'
33 |     testImplementation 'junit:junit:4.12'
34 |     androidTestImplementation 'com.android.support.test:runner:1.0.2'
35 |     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
36 | }
37 | 


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/app/build.gradle:
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 1 | apply plugin: 'com.android.application'
 2 | 
 3 | android {
 4 |     compileSdkVersion 28
 5 |     defaultConfig {
 6 |         applicationId "com.blocki.colorpickerview"
 7 |         minSdkVersion 21
 8 |         targetSdkVersion 26
 9 |         versionCode 1
10 |         versionName "1.0"
11 |         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
12 |     }
13 |     buildTypes {
14 |         release {
15 |             minifyEnabled false
16 |             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
17 |         }
18 |     }
19 | }
20 | 
21 | dependencies {
22 |     implementation fileTree(dir: 'libs', include: ['*.jar'])
23 |     implementation 'com.android.support:appcompat-v7:28.0.0'
24 |     implementation 'com.android.support.constraint:constraint-layout:1.1.3'
25 |     /*testImplementation 'junit:junit:4.12'
26 |     androidTestImplementation 'com.android.support.test:runner:1.0.2'
27 |     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'*/
28 |     compile project(path: ':mylibrary')
29 | }
30 | 


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/README.md:
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 1 | # ColorPickerView
 2 | 这是一个类似Android Studio内置的圆形取色板。在手触摸到圆形区域时按点取色，手指移出圆形区域时取色点为手指位置和圆盘边界交点位置。
 3 | 
 4 | ### 我们先来看一下效果图：左上角的图为触摸点区域的放大图（可选择填充颜色或放大图）
 5 | <img src="https://github.com/BlockWen/ColorPickerView/blob/master/pics_readme/last.gif?raw=true" width="30%" height="30%" />
 6 | 
 7 | ### 使用方法：
 8 | [![](https://jitpack.io/v/BlockWen/ColorPickerView.svg)](https://jitpack.io/#BlockWen/ColorPickerView) 
 9 | 
10 | 添加Jitpack仓库到你Project的build.gradle中。
11 | 
12 | `maven { url 'https://jitpack.io' }`
13 | 
14 | 添加依赖到app的build.gradle中。
15 | 
16 | `implementation 'com.github.BlockWen:ColorPickerView:1.0.2'`
17 | 
18 | 在xml中：
19 | ```
20 | <com.blocki.mylibrary.ColorPickerView
21 |     android:id="@+id/colorPicker"
22 |     android:layout_width="match_parent"
23 |     android:layout_height="wrap_content" />
24 | ```
25 | 
26 | 在Java中的配置：
27 | ```
28 | //设置左上角圆类型 TYPE_MAGNIFY:触摸点的局部放大图 TYPE_FILL：触摸点的颜色图 默认TYPE_MAGNIFY
29 | pickerView.setCornorCircleType(ColorPickerView.TYPE_MAGNIFY);
30 | //设置是否绘制左上角圆的边界，true：绘制 false：不绘制 默认false。
31 | pickerView.setDrawMagnifyBounds(false);
32 | //设置是否绘制左上角的圆。true：绘制 false：不绘制 默认true。
33 | pickerView.setDrawMagnifyCircle(true);
34 | ```
35 | 
36 | 如何获取颜色值?
37 | ```
38 | //获取当前触摸点的颜色值，返回值int
39 | int color = pickerView.getCurRGBColor();
40 | //获取当前触摸点的red，green，blue颜色值 数组[0] red 数组[1] green 数组[2]blue
41 | int[] rgbArray = pickerView.getRGBArray();
42 | ```
43 | 
44 | 计算圆盘外触摸点和圆心连线 与 圆盘边界交点：
45 | ![图片名称](https://github.com/BlockWen/ColorPickerView/blob/master/pics_readme/calculateNearestCoordinate.png?raw=true)
46 | 
47 | 计算左上角局部放大图：
48 | ![图片名称](https://github.com/BlockWen/ColorPickerView/blob/master/pics_readme/calculateTopLeftCornerCircle.png?raw=true)
49 | 


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/app/src/main/java/com/blocki/colorpickerview/MainActivity.java:
--------------------------------------------------------------------------------
 1 | package com.blocki.colorpickerview;
 2 | 
 3 | import android.support.v7.app.AppCompatActivity;
 4 | import android.os.Bundle;
 5 | import android.util.Log;
 6 | import android.view.View;
 7 | import android.widget.Button;
 8 | import android.widget.TextView;
 9 | 
10 | import com.blocki.mylibrary.ColorPickerView;
11 | 
12 | public class MainActivity extends AppCompatActivity {
13 | 
14 |     private static final String TAG = "MainActivity";
15 | 
16 |     private TextView showColorView;
17 |     private ColorPickerView pickerView;
18 |     private Button confirmBtn;
19 | 
20 |     private int[] rgbArray;
21 | 
22 |     @Override
23 |     protected void onCreate(Bundle savedInstanceState) {
24 |         super.onCreate(savedInstanceState);
25 |         setContentView(R.layout.activity_main);
26 | 
27 |         showColorView = findViewById(R.id.textview_showColor);
28 |         showColorView.setVisibility(View.VISIBLE);
29 |         pickerView = findViewById(R.id.main_colorPickerView);
30 |         confirmBtn = findViewById(R.id.btn_confirm);
31 | 
32 |         Log.d(TAG, "onCreate: pickerview settings start");
33 | 
34 |         pickerView.setDrawMagnifyCircle(true);
35 |         pickerView.setDrawMagnifyBounds(true);
36 |         pickerView.setCornorCircleType(ColorPickerView.TYPE_FILL);
37 | 
38 |         Log.d(TAG, "onCreate: pickerview settings end");
39 | 
40 |         confirmBtn.setOnClickListener(new View.OnClickListener() {
41 |             @Override
42 |             public void onClick(View v) {
43 |                 int color = pickerView.getCurRGBColor();
44 |                 showColorView.setBackgroundColor(color);
45 |                 rgbArray = pickerView.getRGBArray();
46 |                 showColorView.setText(rgbArray[0] +" "+ rgbArray[1] +" "+ rgbArray[2]);
47 |             }
48 |         });
49 |     }
50 | 
51 | }
52 | 


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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:viewportHeight="108"
 6 |     android:viewportWidth="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:strokeColor="#00000000"
11 |         android:strokeWidth="1">
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:strokeColor="#00000000"
33 |         android:strokeWidth="1" />
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 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
12 | set DEFAULT_JVM_OPTS=
13 | 
14 | set DIRNAME=%~dp0
15 | if "%DIRNAME%" == "" set DIRNAME=.
16 | set APP_BASE_NAME=%~n0
17 | set APP_HOME=%DIRNAME%
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 Windowz variants
50 | 
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 | if "%@eval[2+2]" == "4" goto 4NT_args
53 | 
54 | :win9xME_args
55 | @rem Slurp the command line arguments.
56 | set CMD_LINE_ARGS=
57 | set _SKIP=2
58 | 
59 | :win9xME_args_slurp
60 | if "x%~1" == "x" goto execute
61 | 
62 | set CMD_LINE_ARGS=%*
63 | goto execute
64 | 
65 | :4NT_args
66 | @rem Get arguments from the 4NT Shell from JP Software
67 | set CMD_LINE_ARGS=%$
68 | 
69 | :execute
70 | @rem Setup the command line
71 | 
72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
73 | 
74 | @rem Execute Gradle
75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
76 | 
77 | :end
78 | @rem End local scope for the variables with windows NT shell
79 | if "%ERRORLEVEL%"=="0" goto mainEnd
80 | 
81 | :fail
82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
83 | rem the _cmd.exe /c_ return code!
84 | if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
85 | exit /b 1
86 | 
87 | :mainEnd
88 | if "%OS%"=="Windows_NT" endlocal
89 | 
90 | :omega
91 | 


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


--------------------------------------------------------------------------------
/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:viewportHeight="108"
  6 |     android:viewportWidth="108">
  7 |     <path
  8 |         android:fillColor="#26A69A"
  9 |         android:pathData="M0,0h108v108h-108z" />
 10 |     <path
 11 |         android:fillColor="#00000000"
 12 |         android:pathData="M9,0L9,108"
 13 |         android:strokeColor="#33FFFFFF"
 14 |         android:strokeWidth="0.8" />
 15 |     <path
 16 |         android:fillColor="#00000000"
 17 |         android:pathData="M19,0L19,108"
 18 |         android:strokeColor="#33FFFFFF"
 19 |         android:strokeWidth="0.8" />
 20 |     <path
 21 |         android:fillColor="#00000000"
 22 |         android:pathData="M29,0L29,108"
 23 |         android:strokeColor="#33FFFFFF"
 24 |         android:strokeWidth="0.8" />
 25 |     <path
 26 |         android:fillColor="#00000000"
 27 |         android:pathData="M39,0L39,108"
 28 |         android:strokeColor="#33FFFFFF"
 29 |         android:strokeWidth="0.8" />
 30 |     <path
 31 |         android:fillColor="#00000000"
 32 |         android:pathData="M49,0L49,108"
 33 |         android:strokeColor="#33FFFFFF"
 34 |         android:strokeWidth="0.8" />
 35 |     <path
 36 |         android:fillColor="#00000000"
 37 |         android:pathData="M59,0L59,108"
 38 |         android:strokeColor="#33FFFFFF"
 39 |         android:strokeWidth="0.8" />
 40 |     <path
 41 |         android:fillColor="#00000000"
 42 |         android:pathData="M69,0L69,108"
 43 |         android:strokeColor="#33FFFFFF"
 44 |         android:strokeWidth="0.8" />
 45 |     <path
 46 |         android:fillColor="#00000000"
 47 |         android:pathData="M79,0L79,108"
 48 |         android:strokeColor="#33FFFFFF"
 49 |         android:strokeWidth="0.8" />
 50 |     <path
 51 |         android:fillColor="#00000000"
 52 |         android:pathData="M89,0L89,108"
 53 |         android:strokeColor="#33FFFFFF"
 54 |         android:strokeWidth="0.8" />
 55 |     <path
 56 |         android:fillColor="#00000000"
 57 |         android:pathData="M99,0L99,108"
 58 |         android:strokeColor="#33FFFFFF"
 59 |         android:strokeWidth="0.8" />
 60 |     <path
 61 |         android:fillColor="#00000000"
 62 |         android:pathData="M0,9L108,9"
 63 |         android:strokeColor="#33FFFFFF"
 64 |         android:strokeWidth="0.8" />
 65 |     <path
 66 |         android:fillColor="#00000000"
 67 |         android:pathData="M0,19L108,19"
 68 |         android:strokeColor="#33FFFFFF"
 69 |         android:strokeWidth="0.8" />
 70 |     <path
 71 |         android:fillColor="#00000000"
 72 |         android:pathData="M0,29L108,29"
 73 |         android:strokeColor="#33FFFFFF"
 74 |         android:strokeWidth="0.8" />
 75 |     <path
 76 |         android:fillColor="#00000000"
 77 |         android:pathData="M0,39L108,39"
 78 |         android:strokeColor="#33FFFFFF"
 79 |         android:strokeWidth="0.8" />
 80 |     <path
 81 |         android:fillColor="#00000000"
 82 |         android:pathData="M0,49L108,49"
 83 |         android:strokeColor="#33FFFFFF"
 84 |         android:strokeWidth="0.8" />
 85 |     <path
 86 |         android:fillColor="#00000000"
 87 |         android:pathData="M0,59L108,59"
 88 |         android:strokeColor="#33FFFFFF"
 89 |         android:strokeWidth="0.8" />
 90 |     <path
 91 |         android:fillColor="#00000000"
 92 |         android:pathData="M0,69L108,69"
 93 |         android:strokeColor="#33FFFFFF"
 94 |         android:strokeWidth="0.8" />
 95 |     <path
 96 |         android:fillColor="#00000000"
 97 |         android:pathData="M0,79L108,79"
 98 |         android:strokeColor="#33FFFFFF"
 99 |         android:strokeWidth="0.8" />
100 |     <path
101 |         android:fillColor="#00000000"
102 |         android:pathData="M0,89L108,89"
103 |         android:strokeColor="#33FFFFFF"
104 |         android:strokeWidth="0.8" />
105 |     <path
106 |         android:fillColor="#00000000"
107 |         android:pathData="M0,99L108,99"
108 |         android:strokeColor="#33FFFFFF"
109 |         android:strokeWidth="0.8" />
110 |     <path
111 |         android:fillColor="#00000000"
112 |         android:pathData="M19,29L89,29"
113 |         android:strokeColor="#33FFFFFF"
114 |         android:strokeWidth="0.8" />
115 |     <path
116 |         android:fillColor="#00000000"
117 |         android:pathData="M19,39L89,39"
118 |         android:strokeColor="#33FFFFFF"
119 |         android:strokeWidth="0.8" />
120 |     <path
121 |         android:fillColor="#00000000"
122 |         android:pathData="M19,49L89,49"
123 |         android:strokeColor="#33FFFFFF"
124 |         android:strokeWidth="0.8" />
125 |     <path
126 |         android:fillColor="#00000000"
127 |         android:pathData="M19,59L89,59"
128 |         android:strokeColor="#33FFFFFF"
129 |         android:strokeWidth="0.8" />
130 |     <path
131 |         android:fillColor="#00000000"
132 |         android:pathData="M19,69L89,69"
133 |         android:strokeColor="#33FFFFFF"
134 |         android:strokeWidth="0.8" />
135 |     <path
136 |         android:fillColor="#00000000"
137 |         android:pathData="M19,79L89,79"
138 |         android:strokeColor="#33FFFFFF"
139 |         android:strokeWidth="0.8" />
140 |     <path
141 |         android:fillColor="#00000000"
142 |         android:pathData="M29,19L29,89"
143 |         android:strokeColor="#33FFFFFF"
144 |         android:strokeWidth="0.8" />
145 |     <path
146 |         android:fillColor="#00000000"
147 |         android:pathData="M39,19L39,89"
148 |         android:strokeColor="#33FFFFFF"
149 |         android:strokeWidth="0.8" />
150 |     <path
151 |         android:fillColor="#00000000"
152 |         android:pathData="M49,19L49,89"
153 |         android:strokeColor="#33FFFFFF"
154 |         android:strokeWidth="0.8" />
155 |     <path
156 |         android:fillColor="#00000000"
157 |         android:pathData="M59,19L59,89"
158 |         android:strokeColor="#33FFFFFF"
159 |         android:strokeWidth="0.8" />
160 |     <path
161 |         android:fillColor="#00000000"
162 |         android:pathData="M69,19L69,89"
163 |         android:strokeColor="#33FFFFFF"
164 |         android:strokeWidth="0.8" />
165 |     <path
166 |         android:fillColor="#00000000"
167 |         android:pathData="M79,19L79,89"
168 |         android:strokeColor="#33FFFFFF"
169 |         android:strokeWidth="0.8" />
170 | </vector>
171 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
  1 |                                  Apache License
  2 |                            Version 2.0, January 2004
  3 |                         http://www.apache.org/licenses/
  4 | 
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  6 | 
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/mylibrary/src/main/java/com/blocki/mylibrary/ColorPickerView.java:
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  1 | package com.blocki.mylibrary;
  2 | 
  3 | import android.content.Context;
  4 | import android.graphics.Bitmap;
  5 | import android.graphics.BitmapShader;
  6 | import android.graphics.Canvas;
  7 | import android.graphics.Color;
  8 | import android.graphics.Matrix;
  9 | import android.graphics.Paint;
 10 | import android.graphics.RadialGradient;
 11 | import android.graphics.Shader;
 12 | import android.graphics.SweepGradient;
 13 | import android.graphics.drawable.ShapeDrawable;
 14 | import android.graphics.drawable.shapes.OvalShape;
 15 | import android.support.annotation.Nullable;
 16 | import android.util.AttributeSet;
 17 | import android.util.Log;
 18 | import android.view.MotionEvent;
 19 | import android.view.View;
 20 | 
 21 | /**
 22 |  * Created by Blocki on 2019/7/19 13:43
 23 |  */
 24 | 
 25 | public class ColorPickerView extends View {
 26 | 
 27 |     private static final String TAG = "ColorPickerView";
 28 | 
 29 |     //view的宽高值
 30 |     private int height = 0;
 31 |     private int width = 0;
 32 | 
 33 |     private float circleX = 0;
 34 |     private float circleY = 0;
 35 |     private float circleRadius = 0;
 36 | 
 37 |     private float pointX = 0;
 38 |     private float pointY = 0;
 39 |     private float pointRadius = 0;
 40 | 
 41 |     private Paint paint = new Paint();
 42 |     private Paint pointPaint = new Paint();
 43 |     private Paint magnifyPaint = new Paint();
 44 |     private Paint magnifyBoundsPaint = new Paint();
 45 |     //缩放倍数，默认2倍，具体需要计算（倍数 = 左上角圆的半径/触摸点圆的半径）
 46 |     private float scaleMultiple = 2;
 47 |     //绘制完成后的取色盘bitmap
 48 |     private Bitmap mBitmap = null;
 49 |     //放大的Bitmap
 50 |     private Bitmap magnifyBitmap = null;
 51 |     //圆形剪切图
 52 |     private ShapeDrawable shapeDrawable = null;
 53 |     //矩阵平移用到的matrix
 54 |     private Matrix matrix = new Matrix();
 55 |     private Canvas mCanvas;
 56 | 
 57 |     //局部放大图的坐标xy和圆半径
 58 |     private float magnifyCircleX = 0;
 59 |     private float magnifyCircleY = 0;
 60 |     private float magnifyCircleRadius = 0;
 61 | 
 62 |     //drawable相对于canvas的四点位置
 63 |     private int magnifyCircleTop = 0,magnifyCircleLeft = 0,magnifyCircleRight = 0,magnifyCircleBottom = 0;
 64 |     //当前触摸点的颜色值
 65 |     private int curRGBColor = 0;
 66 |     private int[] rgb = new int[3];
 67 |     //是否画放大图 true为画 false不画
 68 |     private boolean drawMagnifyCircle = true;
 69 |     //是否画放大图的边界 true为画 false 不画
 70 |     private boolean drawMagnifyBounds = false;
 71 | 
 72 |     private int cornorCircleType = 0;
 73 | 
 74 |     public final static int TYPE_MAGNIFY = 0;
 75 |     public final static int TYPE_FILL = 1;
 76 | 
 77 |     private Context context;
 78 | 
 79 |     public ColorPickerView(Context context) {
 80 |         super(context);
 81 |         init();
 82 |         this.context = context;
 83 |     }
 84 | 
 85 |     public ColorPickerView(Context context, @Nullable AttributeSet attrs) {
 86 |         super(context, attrs);
 87 |         init();
 88 |         this.context = context;
 89 |     }
 90 | 
 91 |     public ColorPickerView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
 92 |         super(context, attrs, defStyleAttr);
 93 |         init();
 94 |         this.context = context;
 95 |     }
 96 | 
 97 |     public ColorPickerView(Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) {
 98 |         super(context, attrs, defStyleAttr, defStyleRes);
 99 |         init();
100 |         this.context = context;
101 |     }
102 | 
103 |     @Override
104 |     protected void onSizeChanged(int w, int h, int oldw, int oldh) {
105 |         super.onSizeChanged(w, h, oldw, oldh);
106 |         Log.d(TAG, "onSizeChanged: ");
107 |         height = h;
108 |         width = w;
109 |         Log.d(TAG, "onSizeChanged: view height:" + h + " width:" + w);
110 |         //根据view的宽高设定取色盘的原点坐标和半径（取色盘半径位于view的中心）
111 |         if (w == h){
112 |             circleX = w/2;
113 |             circleY = h/2;
114 |             circleRadius = w/2;
115 |         }else if (w > h){
116 |             circleX = w/2;
117 |             circleY = h/2;
118 |             circleRadius = h/2;
119 |         } else if (w < h){
120 |             circleX = w/2;
121 |             circleY = h/2;
122 |             circleRadius = w/2;
123 |         }
124 |         //初始触摸点位置设为圆盘中心
125 |         pointX = circleX;
126 |         pointY = circleY;
127 |         //初始触摸点的圆半径为圆盘的1/25
128 |         pointRadius = circleRadius/25;
129 |         //设置彩色圆盘半径为24/25
130 |         circleRadius = circleRadius/25*24;
131 |         //创建圆盘bitmap，用于取色
132 |         mBitmap = Bitmap.createBitmap(width,height,Bitmap.Config.ARGB_8888);
133 |         mCanvas = new Canvas(mBitmap);
134 |         Log.d(TAG, "onSizeChanged: circle X:" + circleX + " Y:" + circleY + " radius:" + circleRadius + " pointRadius:" + pointRadius);
135 | 
136 |         calculateTopLeftCornerCircle();
137 |         //计算放大倍数
138 |         scaleMultiple = magnifyCircleRadius / pointRadius;
139 |         Log.d(TAG, "onSizeChanged: scaleMultiple:" + scaleMultiple);
140 | 
141 |     }
142 | 
143 |     @Override
144 |     public void draw(Canvas canvas) {
145 |         super.draw(canvas);
146 |     }
147 | 
148 | 
149 | 
150 |     /**
151 |      * 初始化paint
152 |      * */
153 |     public void init(){
154 |         Log.d(TAG, "init: ");
155 |         
156 |         pointPaint.setColor(Color.BLACK);
157 |         pointPaint.setStyle(Paint.Style.STROKE);
158 |         pointPaint.setStrokeWidth(1);
159 |         pointPaint.setAntiAlias(true);
160 | 
161 |         magnifyPaint.setColor(Color.BLACK);
162 |         magnifyPaint.setStyle(Paint.Style.STROKE);
163 |         magnifyPaint.setStrokeWidth(1);
164 |         magnifyPaint.setAntiAlias(true);
165 | 
166 |         magnifyBoundsPaint.setColor(Color.BLACK);
167 |         magnifyBoundsPaint.setStyle(Paint.Style.STROKE);
168 |         magnifyBoundsPaint.setStrokeWidth(1);
169 |         magnifyBoundsPaint.setAntiAlias(true);
170 | 
171 |     }
172 | 
173 |     @Override
174 |     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
175 |         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
176 |         Log.d(TAG, "onMeasure: ");
177 |     }
178 | 
179 |     @Override
180 |     protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
181 |         super.onLayout(changed, left, top, right, bottom);
182 |         Log.d(TAG, "onLayout: ");
183 |     }
184 | 
185 |     @Override
186 |     protected void onDraw(Canvas canvas) {
187 |         super.onDraw(canvas);
188 |         Log.d(TAG, "onDraw: ");
189 |         drawSweepGradinent(canvas);
190 |         drawRadialGradient(canvas);
191 |         drawPoint(canvas);
192 |         if (drawMagnifyCircle){
193 |             drawMagnifyCircle(canvas);
194 |         }
195 |     }
196 | 
197 |     /**
198 |      *  绘制扫描渐变
199 |      */
200 |     private void drawSweepGradinent(Canvas canvas){
201 |         SweepGradient sweepGradient = new SweepGradient(circleX,circleY,
202 |                 new int[]{Color.RED,Color.MAGENTA,Color.BLUE,Color.CYAN,Color.GREEN,Color.YELLOW,Color.RED},
203 |                 null);
204 |         paint.setShader(sweepGradient);
205 |         paint.setAntiAlias(true);
206 |         canvas.drawCircle(circleX,circleY,circleRadius,paint);
207 |         mCanvas.drawCircle(circleX,circleY,circleRadius,paint);
208 |     }
209 | 
210 |     /**
211 |      * 绘制一个从白色到透明的径向渐变
212 |      * */
213 |     private void drawRadialGradient(Canvas canvas){
214 |         RadialGradient radialGradient = new RadialGradient(circleX,circleY,circleRadius,new int[]{Color.WHITE,Color.TRANSPARENT},null,Shader.TileMode.CLAMP);
215 |         paint.setShader(radialGradient);
216 |         canvas.drawCircle(circleX,circleY,circleRadius,paint);
217 |         mCanvas.drawCircle(circleX,circleY,circleRadius,paint);
218 |     }
219 | 
220 |     /**
221 |      * 绘制跟随触摸点选颜色的圆圈
222 |      * */
223 |     private void drawPoint(Canvas canvas){
224 |         canvas.drawCircle(pointX,pointY,pointRadius,pointPaint);
225 |     }
226 | 
227 |     /**
228 |      * 绘制局部放大的左上角图
229 |      * */
230 |     private void drawMagnifyCircle(Canvas canvas){
231 | 
232 |         if (cornorCircleType == TYPE_MAGNIFY){
233 |             if (magnifyBitmap == null){
234 |                 //创建放大后的bitmap，长宽在float计算后转为int，避免差异过大
235 |                 magnifyBitmap = Bitmap.createScaledBitmap(mBitmap,(int)(width * scaleMultiple),(int)(height * scaleMultiple),true);
236 |                 BitmapShader shader = new BitmapShader(magnifyBitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
237 |                 shapeDrawable = new ShapeDrawable(new OvalShape());
238 |                 shapeDrawable.getPaint().setShader(shader);
239 |                 //设置drawable相对于canvas的位置
240 |                 shapeDrawable.setBounds(magnifyCircleLeft, magnifyCircleTop,magnifyCircleRight,magnifyCircleBottom);
241 |                 translate();
242 |             }
243 |             shapeDrawable.draw(canvas);
244 |         } else if (cornorCircleType == TYPE_FILL){
245 |             if (magnifyBitmap == null){
246 |                 magnifyPaint.setColor(curRGBColor);
247 |                 magnifyPaint.setStyle(Paint.Style.FILL);
248 |                 magnifyPaint.setStrokeWidth(1);
249 |                 magnifyPaint.setAntiAlias(true);
250 |             }
251 |             magnifyPaint.setColor(curRGBColor);
252 |             canvas.drawCircle(magnifyCircleX,magnifyCircleY,magnifyCircleRadius,magnifyPaint);
253 |         }
254 | 
255 |         if (drawMagnifyBounds){
256 |             //画个边界 半径加1避免覆盖边界颜色
257 |             canvas.drawCircle(magnifyCircleX,magnifyCircleY,magnifyCircleRadius+1,magnifyBoundsPaint);
258 |         }
259 |     }
260 | 
261 |     /**
262 |      * 判断触摸点是否在绘制的圆内
263 |      * （使用直角三角形求出第三边长，勾股定理）
264 |      * */
265 |     private boolean isInside(float x,float y){
266 |         boolean isInside = false;
267 |         //触摸点到取色盘圆点距离
268 |         float p2plength = 0;
269 |         if (x == circleX && y != circleY){
270 |             //触摸点的横坐标与原点横坐标相等但是纵坐标不等
271 |             p2plength = Math.abs(y - circleY);
272 |         } else if (x != circleX && y == circleY){
273 |             //触摸点横坐标与原点不等，纵坐标相等
274 |             p2plength = Math.abs(y - circleX);
275 |         } else if (x == circleX && y == circleY){
276 |             //触摸点在原点上时
277 |         } else if (x != circleX && y != circleY){
278 |             //触摸点的横纵坐标与原点都不相等
279 |             float bottomLength = Math.abs(x - circleX);
280 |             float uprightLength = Math.abs(y - circleY);
281 |             p2plength = (float) Math.sqrt((bottomLength*bottomLength) + (uprightLength*uprightLength));
282 |         }
283 |         Log.d(TAG, "isInside: p2pLength " + p2plength);
284 |         if (p2plength < circleRadius){
285 |             isInside = true;
286 |         }
287 |         return isInside;
288 |     }
289 | 
290 |     @Override
291 |     public boolean onTouchEvent(MotionEvent event) {
292 |         switch (event.getAction()){
293 |             case MotionEvent.ACTION_DOWN:
294 |                 Log.d(TAG, "onTouchEvent DOWN: x:" + event.getX() + " Y:" + event.getY() +" rawX:" + event.getRawX() + " rawY:" + event.getRawY());
295 |                 if (isInside(event.getX(),event.getY())){
296 |                     pointX = event.getX();
297 |                     pointY = event.getY();
298 |                     Log.d(TAG, "onTouchEvent DOWN: 触摸点在圆的里面");
299 | 
300 |                 } else {
301 |                     Log.d(TAG, "onTouchEvent DOWN: 触摸点在圆的外面");
302 |                     calculateNearestCoordinate(event.getX(),event.getY());
303 |                 }
304 |                 if (cornorCircleType == TYPE_MAGNIFY){
305 |                     translate();
306 |                 }else{
307 |                     curRGBColor = getPointColor();
308 |                 }
309 |                 invalidate();
310 |                 return true;
311 |             case MotionEvent.ACTION_MOVE:
312 |                 Log.d(TAG, "onTouchEvent MOVE: x:" + event.getX() + " Y:" + event.getY() +" rawX:" + event.getRawX() + " rawY:" + event.getRawY());
313 |                 if (isInside(event.getX(),event.getY())){
314 |                     pointX = event.getX();
315 |                     pointY = event.getY();
316 |                     Log.d(TAG, "onTouchEvent MOVE: 触摸点在圆的里面");
317 | 
318 |                 } else {
319 |                     Log.d(TAG, "onTouchEvent MOVE: 触摸点在圆的外面");
320 |                     calculateNearestCoordinate(event.getX(),event.getY());
321 |                 }
322 |                 if (cornorCircleType == TYPE_MAGNIFY){
323 |                     translate();
324 |                 }else{
325 |                     curRGBColor = getPointColor();
326 |                 }
327 |                 invalidate();
328 |                 break;
329 |             case MotionEvent.ACTION_UP:
330 |                 Log.d(TAG, "onTouchEvent UP: x:" + event.getX() + " Y:" + event.getY() +" rawX:" + event.getRawX() + " rawY:" + event.getRawY());
331 |                 //手指抬起时获取当前点的颜色
332 |                 curRGBColor = getPointColor();
333 |                 break;
334 |             default:
335 |                 break;
336 |         }
337 |         return super.onTouchEvent(event);
338 |     }
339 | 
340 |     /**
341 |      * 计算圆盘左上角外切于取色盘的圆点坐标以及top left right bottm 四点
342 |      * 具体计算详见github图文介绍
343 |      * */
344 |     private void calculateTopLeftCornerCircle(){
345 |         magnifyCircleRadius = (float) ((3 - 2*Math.sqrt(2)) * circleRadius);
346 |         //勾股求出取色盘圆点到放大图圆点连线组成三角形的两底边长度
347 |         float bottomLength = (float) ((circleRadius + magnifyCircleRadius) / Math.sqrt(2));
348 |         magnifyCircleX = circleX - bottomLength;
349 |         magnifyCircleY = circleY - bottomLength;
350 |         //由于跟随触摸点移动的小球会出现在圆盘外，所以要减去小球半径让放大图和小球不重合在一起,要在算完放大圆中心点坐标后减去小球的半径
351 |         magnifyCircleRadius = magnifyCircleRadius - pointRadius;
352 |         //计算drawable的位置
353 |         magnifyCircleLeft = (int) (magnifyCircleX - magnifyCircleRadius);
354 |         magnifyCircleTop = (int) (magnifyCircleY - magnifyCircleRadius);
355 |         magnifyCircleRight = (int) (magnifyCircleX + magnifyCircleRadius);
356 |         magnifyCircleBottom = (int) (magnifyCircleY + magnifyCircleRadius);
357 |     }
358 | 
359 |     /**
360 |      * 计算触摸点距离最近的圆盘点的坐标
361 |      * 具体计算详见github图文介绍
362 |      * */
363 |     public void calculateNearestCoordinate(float touchX,float touchY){
364 | 
365 |         float om = Math.abs(touchX - circleX);
366 |         float am = Math.abs(touchY - circleY);
367 |         //勾股定理计算斜边长
368 |         float oa = (float) Math.sqrt((om*om)+(am*am));
369 |         //相似三角形三边等比
370 |         float on = (circleRadius/oa)*om;
371 |         float bn = (circleRadius/oa)*am;
372 |         if (touchX == circleX){
373 |             //触摸点与原点横坐标相等
374 |             if (touchY > (circleX + circleRadius)){
375 |                 //在下方时
376 |                 pointX = circleX;
377 |                 pointY = circleY + circleRadius;
378 |             }else{
379 |                 //在上方时
380 |                 pointX = circleX;
381 |                 pointY = circleY - circleRadius;
382 |             }
383 |         } else if (touchY == circleY){
384 |             //触摸点与原点纵坐标相等
385 |             if (touchX > (circleY + circleRadius)){
386 |                 //在右侧时
387 |                 pointY = circleY;
388 |                 pointX = circleX + circleRadius;
389 |             }else{
390 |                 //在左侧时
391 |                 pointY = circleY;
392 |                 pointX = circleX - circleRadius;
393 |             }
394 |         } else if (touchX < circleX && touchY < circleY){
395 |             //触摸点在左上角时
396 |             pointX = circleX - on;
397 |             pointY = circleY - bn;
398 |         } else if (touchX < circleX && touchY > circleY){
399 |             //触摸点在左下角
400 |             pointX = circleX - on;
401 |             pointY = circleY + bn;
402 |         } else if (touchX > circleX && touchY > circleY){
403 |             //触摸点在右下角
404 |             pointX = circleX + on;
405 |             pointY = circleY + bn;
406 |         } else if (touchX > circleX && touchY < circleY){
407 |             //触摸点在右上角
408 |             pointX = circleX + on;
409 |             pointY = circleY - bn;
410 |         }
411 |     }
412 | 
413 |     /**
414 |      * 移动画好的bigmap达到放大图跟随移动的效果
415 |      * */
416 |     private void translate(){
417 |         //使用matrix进行对canvas进行平移
418 |         matrix.setTranslate(magnifyCircleRadius - pointX * scaleMultiple, magnifyCircleRadius - pointY * scaleMultiple);
419 |         shapeDrawable.getPaint().getShader().setLocalMatrix(matrix);
420 |     }
421 | 
422 | 
423 | 
424 |     /**
425 |      * 获取触摸点的颜色值
426 |      * */
427 |     private int getPointColor(){
428 |         Log.d(TAG, "getColor: ");
429 |         int pixelColor = mBitmap.getPixel((int)pointX,(int)pointY);
430 |         return pixelColor;
431 |     }
432 | 
433 |     /**
434 |      * 返回大小为3的int数组，数组位置0：Red值 1：Green值 2：Blue值
435 |      * */
436 |     public int[] getRGBArray(){
437 |         rgb[0] = Color.red(curRGBColor);
438 |         rgb[1] = Color.green(curRGBColor);
439 |         rgb[2] = Color.blue(curRGBColor);
440 |         return rgb;
441 |     }
442 | 
443 |     //获取当前触摸点坐标的像素点颜色
444 |     public int getCurRGBColor(){
445 |         return this.curRGBColor;
446 |     }
447 | 
448 |     public boolean isDrawMagnifyCircle() {
449 |         return drawMagnifyCircle;
450 |     }
451 | 
452 |     public void setDrawMagnifyCircle(boolean drawMagnifyCircle) {
453 |         this.drawMagnifyCircle = drawMagnifyCircle;
454 |     }
455 | 
456 |     public boolean isDrawMagnifyBounds() {
457 |         return drawMagnifyBounds;
458 |     }
459 | 
460 |     public void setDrawMagnifyBounds(boolean drawMagnifyBounds) {
461 |         this.drawMagnifyBounds = drawMagnifyBounds;
462 |     }
463 | 
464 |     public void setCornorCircleType(int cornorCircleType) {
465 |         this.cornorCircleType = cornorCircleType;
466 |     }
467 | 
468 |     //未想好放大倍数和触摸点圆半径的设置边界在哪。暂时不允许调用
469 |     private void setScaleMultiple(float scaleMultiple) {
470 |         this.scaleMultiple = scaleMultiple;
471 |     }
472 | 
473 |     private void setPointRadius(float pointRadius) {
474 |         this.pointRadius = pointRadius;
475 |     }
476 | 
477 | }
478 | 


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