├── .gitignore ├── .idea ├── compiler.xml ├── copyright │ └── profiles_settings.xml ├── encodings.xml ├── gradle.xml ├── misc.xml ├── modules.xml └── runConfigurations.xml ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── zhouwei │ │ └── easyblur │ │ └── ExampleInstrumentedTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── zhouwei │ │ │ └── easyblur │ │ │ └── MainActivity.java │ └── res │ │ ├── layout │ │ ├── activity_main.xml │ │ └── blur_ac.xml │ │ ├── mipmap-hdpi │ │ └── ic_launcher.png │ │ ├── mipmap-mdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xhdpi │ │ ├── cover.jpg │ │ ├── ic_launcher.png │ │ ├── test.jpg │ │ ├── timg.png │ │ ├── timg_2.png │ │ ├── timg_3.png │ │ └── timg_4.png │ │ ├── mipmap-xxhdpi │ │ └── ic_launcher.png │ │ ├── mipmap-xxxhdpi │ │ └── ic_launcher.png │ │ ├── values-w820dp │ │ └── dimens.xml │ │ └── values │ │ ├── colors.xml │ │ ├── dimens.xml │ │ ├── strings.xml │ │ └── styles.xml │ └── test │ └── java │ └── com │ └── zhouwei │ └── easyblur │ └── ExampleUnitTest.java ├── blurlibrary ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ ├── androidTest │ └── java │ │ └── com │ │ └── zhouwei │ │ └── blurlibrary │ │ └── ExampleInstrumentedTest.java │ ├── main │ ├── AndroidManifest.xml │ ├── java │ │ └── com │ │ │ └── zhouwei │ │ │ └── blurlibrary │ │ │ └── EasyBlur.java │ └── res │ │ └── values │ │ └── strings.xml │ └── test │ └── java │ └── com │ └── zhouwei │ └── blurlibrary │ └── ExampleUnitTest.java ├── build.gradle ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── readme.md ├── settings.gradle └── simple.png /.gitignore: -------------------------------------------------------------------------------- 1 | *.iml 2 | .gradle 3 | /local.properties 4 | /.idea/workspace.xml 5 | /.idea/libraries 6 | .DS_Store 7 | /build 8 | /captures 9 | .externalNativeBuild 10 | -------------------------------------------------------------------------------- /.idea/compiler.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /.idea/copyright/profiles_settings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | -------------------------------------------------------------------------------- /.idea/encodings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 18 | 19 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 19 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | Android 39 | 40 | 41 | Android > Lint > Correctness 42 | 43 | 44 | Android > Lint > Correctness > Messages 45 | 46 | 47 | Android > Lint > Performance 48 | 49 | 50 | CorrectnessLintAndroid 51 | 52 | 53 | General 54 | 55 | 56 | Java 57 | 58 | 59 | LintAndroid 60 | 61 | 62 | Numeric issuesJava 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 84 | 85 | 86 | 87 | 88 | 89 | 94 | 95 | 96 | 97 | 98 | 99 | -------------------------------------------------------------------------------- /.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | -------------------------------------------------------------------------------- /.idea/runConfigurations.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 11 | 12 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 25 5 | buildToolsVersion "24.0.2" 6 | defaultConfig { 7 | applicationId "com.zhouwei.easyblur" 8 | minSdkVersion 16 9 | targetSdkVersion 25 10 | versionCode 1 11 | versionName "1.0" 12 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 13 | 14 | renderscriptTargetApi 25 15 | renderscriptSupportModeEnabled true 16 | } 17 | buildTypes { 18 | release { 19 | minifyEnabled false 20 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 21 | } 22 | } 23 | } 24 | 25 | dependencies { 26 | compile fileTree(dir: 'libs', include: ['*.jar']) 27 | androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', { 28 | exclude group: 'com.android.support', module: 'support-annotations' 29 | }) 30 | compile 'com.android.support:appcompat-v7:25.0.0' 31 | testCompile 'junit:junit:4.12' 32 | 33 | //compile project(':blurlibrary') 34 | compile 'com.github.pinguo-zhouwei:EasyBlur:v1.0.0' 35 | 36 | } 37 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in /Users/zhouwei/Library/Android/sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/zhouwei/easyblur/ExampleInstrumentedTest.java: -------------------------------------------------------------------------------- 1 | package com.zhouwei.easyblur; 2 | 3 | import android.content.Context; 4 | import android.support.test.InstrumentationRegistry; 5 | import android.support.test.runner.AndroidJUnit4; 6 | 7 | import org.junit.Test; 8 | import org.junit.runner.RunWith; 9 | 10 | import static org.junit.Assert.*; 11 | 12 | /** 13 | * Instrumentation test, which will execute on an Android device. 14 | * 15 | * @see Testing documentation 16 | */ 17 | @RunWith(AndroidJUnit4.class) 18 | public class ExampleInstrumentedTest { 19 | @Test 20 | public void useAppContext() throws Exception { 21 | // Context of the app under test. 22 | Context appContext = InstrumentationRegistry.getTargetContext(); 23 | 24 | assertEquals("com.zhouwei.easyblur", appContext.getPackageName()); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | -------------------------------------------------------------------------------- /app/src/main/java/com/zhouwei/easyblur/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.zhouwei.easyblur; 2 | 3 | import android.graphics.Bitmap; 4 | import android.graphics.BitmapFactory; 5 | import android.graphics.Canvas; 6 | import android.graphics.drawable.BitmapDrawable; 7 | import android.os.Bundle; 8 | import android.support.v7.app.AppCompatActivity; 9 | import android.util.Log; 10 | import android.view.ViewTreeObserver; 11 | import android.widget.ImageView; 12 | import android.widget.TextView; 13 | 14 | import com.zhouwei.blurlibrary.EasyBlur; 15 | 16 | public class MainActivity extends AppCompatActivity { 17 | private ImageView mImageBg; 18 | private TextView view; 19 | @Override 20 | protected void onCreate(Bundle savedInstanceState) { 21 | super.onCreate(savedInstanceState); 22 | setContentView(R.layout.activity_main); 23 | 24 | // final ImageView imageView = (ImageView) findViewById(R.id.blur_image); 25 | mImageBg = (ImageView) findViewById(R.id.image_bg); 26 | view = (TextView) findViewById(R.id.blur_text); 27 | final Bitmap bitmap = BitmapFactory.decodeResource(getResources(),R.mipmap.test); 28 | 29 | // imageView.setImageBitmap(bitmap); 30 | 31 | long startTime = System.currentTimeMillis(); 32 | 33 | //Bitmap finalBitmap = EasyBlur.fastBlur(bitmap,scale,20); 34 | 35 | long endTime = System.currentTimeMillis(); 36 | 37 | Log.i("zhouwei","cost Time:"+(endTime - startTime)); 38 | 39 | mImageBg.setImageBitmap(bitmap); 40 | 41 | mImageBg.getViewTreeObserver().addOnPreDrawListener(new ViewTreeObserver.OnPreDrawListener() { 42 | @Override 43 | public boolean onPreDraw() { 44 | mImageBg.getViewTreeObserver().removeOnPreDrawListener(this); 45 | mImageBg.buildDrawingCache(); 46 | Bitmap bmp = mImageBg.getDrawingCache(); 47 | Bitmap overlay = Bitmap.createBitmap((int) (view.getMeasuredWidth()), 48 | (int) (view.getMeasuredHeight()), Bitmap.Config.ARGB_8888); 49 | 50 | Canvas canvas = new Canvas(overlay); 51 | 52 | canvas.translate(-view.getLeft(), -view.getTop()); 53 | canvas.drawBitmap(bmp, 0, 0, null); 54 | 55 | Bitmap finalBitmap = EasyBlur.with(MainActivity.this) 56 | .bitmap(overlay) //要模糊的图片 57 | .radius(10)//模糊半径 58 | .blur(); 59 | 60 | view.setBackground(new BitmapDrawable( 61 | getResources(), finalBitmap)); 62 | return true; 63 | } 64 | }); 65 | 66 | 67 | } 68 | } 69 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 2 | 10 | 11 | 18 | 19 | 25 | 26 | 34 | 35 | -------------------------------------------------------------------------------- /app/src/main/res/layout/blur_ac.xml: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: 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-------------------------------------------------------------------------------- /app/src/main/res/values-w820dp/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 5 | 64dp 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | #3F51B5 4 | #303F9F 5 | #FF4081 6 | 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16dp 4 | 16dp 5 | 6 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | EasyBlur 3 | 4 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /app/src/test/java/com/zhouwei/easyblur/ExampleUnitTest.java: -------------------------------------------------------------------------------- 1 | package com.zhouwei.easyblur; 2 | 3 | import org.junit.Test; 4 | 5 | import static org.junit.Assert.*; 6 | 7 | /** 8 | * Example local unit test, which will execute on the development machine (host). 9 | * 10 | * @see Testing documentation 11 | */ 12 | public class ExampleUnitTest { 13 | @Test 14 | public void addition_isCorrect() throws Exception { 15 | assertEquals(4, 2 + 2); 16 | } 17 | } -------------------------------------------------------------------------------- /blurlibrary/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /blurlibrary/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.library' 2 | apply plugin: 'com.github.dcendents.android-maven' 3 | group='com.github.pinguo-zhouwei' 4 | 5 | android { 6 | compileSdkVersion 25 7 | buildToolsVersion "23.0.3" 8 | 9 | defaultConfig { 10 | minSdkVersion 16 11 | targetSdkVersion 25 12 | versionCode 1 13 | versionName "1.0" 14 | 15 | renderscriptTargetApi 25 16 | renderscriptSupportModeEnabled true 17 | 18 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 19 | 20 | } 21 | buildTypes { 22 | release { 23 | minifyEnabled false 24 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 25 | } 26 | } 27 | } 28 | 29 | dependencies { 30 | compile fileTree(dir: 'libs', include: ['*.jar']) 31 | androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', { 32 | exclude group: 'com.android.support', module: 'support-annotations' 33 | }) 34 | compile 'com.android.support:appcompat-v7:25.0.0' 35 | testCompile 'junit:junit:4.12' 36 | } 37 | -------------------------------------------------------------------------------- /blurlibrary/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in /Users/zhouwei/Library/Android/sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /blurlibrary/src/androidTest/java/com/zhouwei/blurlibrary/ExampleInstrumentedTest.java: -------------------------------------------------------------------------------- 1 | package com.zhouwei.blurlibrary; 2 | 3 | import android.content.Context; 4 | import android.support.test.InstrumentationRegistry; 5 | import android.support.test.runner.AndroidJUnit4; 6 | 7 | import org.junit.Test; 8 | import org.junit.runner.RunWith; 9 | 10 | import static org.junit.Assert.*; 11 | 12 | /** 13 | * Instrumentation test, which will execute on an Android device. 14 | * 15 | * @see Testing documentation 16 | */ 17 | @RunWith(AndroidJUnit4.class) 18 | public class ExampleInstrumentedTest { 19 | @Test 20 | public void useAppContext() throws Exception { 21 | // Context of the app under test. 22 | Context appContext = InstrumentationRegistry.getTargetContext(); 23 | 24 | assertEquals("com.zhouwei.blurlibrary.test", appContext.getPackageName()); 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /blurlibrary/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 3 | 4 | 8 | 9 | 10 | 11 | 12 | -------------------------------------------------------------------------------- /blurlibrary/src/main/java/com/zhouwei/blurlibrary/EasyBlur.java: -------------------------------------------------------------------------------- 1 | package com.zhouwei.blurlibrary; 2 | 3 | import android.content.Context; 4 | import android.graphics.Bitmap; 5 | import android.support.v8.renderscript.Allocation; 6 | import android.support.v8.renderscript.Element; 7 | import android.support.v8.renderscript.RenderScript; 8 | import android.support.v8.renderscript.ScriptIntrinsicBlur; 9 | import android.util.Log; 10 | 11 | import static android.os.Build.VERSION.SDK_INT; 12 | 13 | 14 | /** 15 | * Created by zhouwei on 17/3/6. 16 | */ 17 | 18 | public class EasyBlur { 19 | private static final String TAG = "EasyBlur"; 20 | private static final float SCALE = 1 / 8.0F;//default scale 21 | private static volatile EasyBlur singleton = null; 22 | private Bitmap mBitmap; 23 | private int mRadius = 0; 24 | private float mScale = SCALE; 25 | private Context mContext; 26 | private BlurPolicy mPolicy = BlurPolicy.RS_BLUR;//默认使用rs 模糊图片 27 | public enum BlurPolicy{ 28 | RS_BLUR, 29 | FAST_BLUR 30 | } 31 | 32 | 33 | /** 34 | * 单例 35 | * @param context 36 | * @return 37 | */ 38 | public static EasyBlur with(Context context){ 39 | if (singleton == null) { 40 | synchronized (EasyBlur.class) { 41 | if (singleton == null) { 42 | singleton = new EasyBlur(context); 43 | } 44 | } 45 | } 46 | return singleton; 47 | } 48 | 49 | private EasyBlur(Context context){ 50 | this.mContext = context.getApplicationContext(); 51 | } 52 | 53 | public Bitmap blur(){ 54 | if(mBitmap == null){ 55 | throw new RuntimeException("Bitmap can not be null"); 56 | } 57 | if(mRadius == 0){ 58 | throw new RuntimeException("radius must > 0"); 59 | } 60 | if(SDK_INT > 8){// support library running on 2.3(API 9) and higher 算法 61 | if(mPolicy == BlurPolicy.FAST_BLUR){ 62 | Log.d(TAG,"blur fast algorithm"); 63 | return fastBlur(mBitmap,mScale,mRadius); 64 | }else{ 65 | Log.d(TAG,"blur render script algorithm"); 66 | return rsBlur(mContext,mBitmap,mRadius,mScale); 67 | } 68 | 69 | }else{ 70 | Log.d(TAG,"blur fast algorithm"); 71 | return fastBlur(mBitmap,mScale,mRadius); 72 | } 73 | 74 | } 75 | 76 | /** 77 | * 模糊的算法策略 78 | * @param policy 79 | * @return 80 | */ 81 | public EasyBlur policy(BlurPolicy policy){ 82 | this.mPolicy = policy; 83 | return this; 84 | } 85 | 86 | /** 87 | * 模糊的Bitmap 88 | * @param bitmap 89 | * @return 90 | */ 91 | public EasyBlur bitmap(Bitmap bitmap){ 92 | this.mBitmap = bitmap; 93 | return this; 94 | } 95 | 96 | /** 97 | * 缩放的系数 98 | * @param scale 99 | * @return 100 | */ 101 | public EasyBlur scale(int scale){ 102 | this.mScale = 1.0f / scale; 103 | return this; 104 | } 105 | 106 | /** 107 | * 模糊的半径，0-25 108 | * @param radius 109 | * @return 110 | */ 111 | public EasyBlur radius(int radius){ 112 | this.mRadius = radius; 113 | return this; 114 | } 115 | 116 | /** 117 | * 使用RenderScript 模糊图片 118 | * @param context 119 | * @param source 120 | * @return 121 | */ 122 | private static Bitmap rsBlur(Context context,Bitmap source,int radius,float scale){ 123 | Log.i(TAG,"origin size:"+source.getWidth()+"*"+source.getHeight()); 124 | int width = Math.round(source.getWidth() * scale); 125 | int height = Math.round(source.getHeight() * scale); 126 | 127 | Bitmap inputBmp = Bitmap.createScaledBitmap(source,width,height,false); 128 | 129 | RenderScript renderScript = RenderScript.create(context); 130 | 131 | Log.i(TAG,"scale size:"+inputBmp.getWidth()+"*"+inputBmp.getHeight()); 132 | 133 | // Allocate memory for Renderscript to work with 134 | 135 | final Allocation input = Allocation.createFromBitmap(renderScript,inputBmp); 136 | final Allocation output = Allocation.createTyped(renderScript,input.getType()); 137 | 138 | // Load up an instance of the specific script that we want to use. 139 | ScriptIntrinsicBlur scriptIntrinsicBlur = ScriptIntrinsicBlur.create(renderScript, Element.U8_4(renderScript)); 140 | scriptIntrinsicBlur.setInput(input); 141 | 142 | // Set the blur radius 143 | scriptIntrinsicBlur.setRadius(radius); 144 | 145 | // Start the ScriptIntrinisicBlur 146 | scriptIntrinsicBlur.forEach(output); 147 | 148 | // Copy the output to the blurred bitmap 149 | output.copyTo(inputBmp); 150 | 151 | 152 | renderScript.destroy(); 153 | 154 | return inputBmp; 155 | } 156 | 157 | /** 158 | * Stack Blur v1.0 from 159 | * http://www.quasimondo.com/StackBlurForCanvas/StackBlurDemo.html 160 | * Java Author: Mario Klingemann 161 | * http://incubator.quasimondo.com 162 | * 163 | * created Feburary 29, 2004 164 | * Android port : Yahel Bouaziz 165 | * http://www.kayenko.com 166 | * ported april 5th, 2012 167 | * 168 | * This is a compromise between Gaussian Blur and Box blur 169 | * It creates much better looking blurs than Box Blur, but is 170 | * 7x faster than my Gaussian Blur implementation. 171 | * 172 | * I called it Stack Blur because this describes best how this 173 | * filter works internally: it creates a kind of moving stack 174 | * of colors whilst scanning through the image. Thereby it 175 | * just has to add one new block of color to the right side 176 | * of the stack and remove the leftmost color. The remaining 177 | * colors on the topmost layer of the stack are either added on 178 | * or reduced by one, depending on if they are on the right or 179 | * on the left side of the stack. 180 | * 181 | * If you are using this algorithm in your code please add 182 | * the following line: 183 | * Stack Blur Algorithm by Mario Klingemann 184 | */ 185 | 186 | private static Bitmap fastBlur(Bitmap sentBitmap, float scale, int radius) { 187 | int width = Math.round(sentBitmap.getWidth() * scale); 188 | int height = Math.round(sentBitmap.getHeight() * scale); 189 | sentBitmap = Bitmap.createScaledBitmap(sentBitmap, width, height, false); 190 | 191 | Bitmap bitmap = sentBitmap.copy(sentBitmap.getConfig(), true); 192 | 193 | if (radius < 1) { 194 | return (null); 195 | } 196 | 197 | int w = bitmap.getWidth(); 198 | int h = bitmap.getHeight(); 199 | 200 | int[] pix = new int[w * h]; 201 | Log.e("pix", w + " " + h + " " + pix.length); 202 | bitmap.getPixels(pix, 0, w, 0, 0, w, h); 203 | 204 | int wm = w - 1; 205 | int hm = h - 1; 206 | int wh = w * h; 207 | int div = radius + radius + 1; 208 | 209 | int r[] = new int[wh]; 210 | int g[] = new int[wh]; 211 | int b[] = new int[wh]; 212 | int rsum, gsum, bsum, x, y, i, p, yp, yi, yw; 213 | int vmin[] = new int[Math.max(w, h)]; 214 | 215 | int divsum = (div + 1) >> 1; 216 | divsum *= divsum; 217 | int dv[] = new int[256 * divsum]; 218 | for (i = 0; i < 256 * divsum; i++) { 219 | dv[i] = (i / divsum); 220 | } 221 | 222 | yw = yi = 0; 223 | 224 | int[][] stack = new int[div][3]; 225 | int stackpointer; 226 | int stackstart; 227 | int[] sir; 228 | int rbs; 229 | int r1 = radius + 1; 230 | int routsum, goutsum, boutsum; 231 | int rinsum, ginsum, binsum; 232 | 233 | for (y = 0; y < h; y++) { 234 | rinsum = ginsum = binsum = routsum = goutsum = boutsum = rsum = gsum = bsum = 0; 235 | for (i = -radius; i <= radius; i++) { 236 | p = pix[yi + Math.min(wm, Math.max(i, 0))]; 237 | sir = stack[i + radius]; 238 | sir[0] = (p & 0xff0000) >> 16; 239 | sir[1] = (p & 0x00ff00) >> 8; 240 | sir[2] = (p & 0x0000ff); 241 | rbs = r1 - Math.abs(i); 242 | rsum += sir[0] * rbs; 243 | gsum += sir[1] * rbs; 244 | bsum += sir[2] * rbs; 245 | if (i > 0) { 246 | rinsum += sir[0]; 247 | ginsum += sir[1]; 248 | binsum += sir[2]; 249 | } else { 250 | routsum += sir[0]; 251 | goutsum += sir[1]; 252 | boutsum += sir[2]; 253 | } 254 | } 255 | stackpointer = radius; 256 | 257 | for (x = 0; x < w; x++) { 258 | 259 | r[yi] = dv[rsum]; 260 | g[yi] = dv[gsum]; 261 | b[yi] = dv[bsum]; 262 | 263 | rsum -= routsum; 264 | gsum -= goutsum; 265 | bsum -= boutsum; 266 | 267 | stackstart = stackpointer - radius + div; 268 | sir = stack[stackstart % div]; 269 | 270 | routsum -= sir[0]; 271 | goutsum -= sir[1]; 272 | boutsum -= sir[2]; 273 | 274 | if (y == 0) { 275 | vmin[x] = Math.min(x + radius + 1, wm); 276 | } 277 | p = pix[yw + vmin[x]]; 278 | 279 | sir[0] = (p & 0xff0000) >> 16; 280 | sir[1] = (p & 0x00ff00) >> 8; 281 | sir[2] = (p & 0x0000ff); 282 | 283 | rinsum += sir[0]; 284 | ginsum += sir[1]; 285 | binsum += sir[2]; 286 | 287 | rsum += rinsum; 288 | gsum += ginsum; 289 | bsum += binsum; 290 | 291 | stackpointer = (stackpointer + 1) % div; 292 | sir = stack[(stackpointer) % div]; 293 | 294 | routsum += sir[0]; 295 | goutsum += sir[1]; 296 | boutsum += sir[2]; 297 | 298 | rinsum -= sir[0]; 299 | ginsum -= sir[1]; 300 | binsum -= sir[2]; 301 | 302 | yi++; 303 | } 304 | yw += w; 305 | } 306 | for (x = 0; x < w; x++) { 307 | rinsum = ginsum = binsum = routsum = goutsum = boutsum = rsum = gsum = bsum = 0; 308 | yp = -radius * w; 309 | for (i = -radius; i <= radius; i++) { 310 | yi = Math.max(0, yp) + x; 311 | 312 | sir = stack[i + radius]; 313 | 314 | sir[0] = r[yi]; 315 | sir[1] = g[yi]; 316 | sir[2] = b[yi]; 317 | 318 | rbs = r1 - Math.abs(i); 319 | 320 | rsum += r[yi] * rbs; 321 | gsum += g[yi] * rbs; 322 | bsum += b[yi] * rbs; 323 | 324 | if (i > 0) { 325 | rinsum += sir[0]; 326 | ginsum += sir[1]; 327 | binsum += sir[2]; 328 | } else { 329 | routsum += sir[0]; 330 | goutsum += sir[1]; 331 | boutsum += sir[2]; 332 | } 333 | 334 | if (i < hm) { 335 | yp += w; 336 | } 337 | } 338 | yi = x; 339 | stackpointer = radius; 340 | for (y = 0; y < h; y++) { 341 | // Preserve alpha channel: ( 0xff000000 & pix[yi] ) 342 | pix[yi] = ( 0xff000000 & pix[yi] ) | ( dv[rsum] << 16 ) | ( dv[gsum] << 8 ) | dv[bsum]; 343 | 344 | rsum -= routsum; 345 | gsum -= goutsum; 346 | bsum -= boutsum; 347 | 348 | stackstart = stackpointer - radius + div; 349 | sir = stack[stackstart % div]; 350 | 351 | routsum -= sir[0]; 352 | goutsum -= sir[1]; 353 | boutsum -= sir[2]; 354 | 355 | if (x == 0) { 356 | vmin[y] = Math.min(y + r1, hm) * w; 357 | } 358 | p = x + vmin[y]; 359 | 360 | sir[0] = r[p]; 361 | sir[1] = g[p]; 362 | sir[2] = b[p]; 363 | 364 | rinsum += sir[0]; 365 | ginsum += sir[1]; 366 | binsum += sir[2]; 367 | 368 | rsum += rinsum; 369 | gsum += ginsum; 370 | bsum += binsum; 371 | 372 | stackpointer = (stackpointer + 1) % div; 373 | sir = stack[stackpointer]; 374 | 375 | routsum += sir[0]; 376 | goutsum += sir[1]; 377 | boutsum += sir[2]; 378 | 379 | rinsum -= sir[0]; 380 | ginsum -= sir[1]; 381 | binsum -= sir[2]; 382 | 383 | yi += w; 384 | } 385 | } 386 | 387 | Log.e("pix", w + " " + h + " " + pix.length); 388 | bitmap.setPixels(pix, 0, w, 0, 0, w, h); 389 | return (bitmap); 390 | } 391 | 392 | 393 | } 394 | -------------------------------------------------------------------------------- /blurlibrary/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | BlurLibrary 3 | 4 | -------------------------------------------------------------------------------- /blurlibrary/src/test/java/com/zhouwei/blurlibrary/ExampleUnitTest.java: -------------------------------------------------------------------------------- 1 | package com.zhouwei.blurlibrary; 2 | 3 | import org.junit.Test; 4 | 5 | import static org.junit.Assert.*; 6 | 7 | /** 8 | * Example local unit test, which will execute on the development machine (host). 9 | * 10 | * @see Testing documentation 11 | */ 12 | public class ExampleUnitTest { 13 | @Test 14 | public void addition_isCorrect() throws Exception { 15 | assertEquals(4, 2 + 2); 16 | } 17 | } -------------------------------------------------------------------------------- /build.gradle: -------------------------------------------------------------------------------- 1 | // Top-level build file where you can add configuration options common to all sub-projects/modules. 2 | 3 | buildscript { 4 | repositories { 5 | jcenter() 6 | } 7 | dependencies { 8 | classpath 'com.android.tools.build:gradle:2.2.2' 9 | classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5' 10 | 11 | // NOTE: Do not place your application dependencies here; they belong 12 | // in the individual module build.gradle files 13 | } 14 | } 15 | 16 | allprojects { 17 | repositories { 18 | jcenter() 19 | maven {url "https://jitpack.io"} 20 | } 21 | } 22 | 23 | task clean(type: Delete) { 24 | delete rootProject.buildDir 25 | } 26 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 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 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pinguo-zhouwei/EasyBlur/233916109be5ff2b89bdd1a65b2a4a2d1a6f147c/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Mon Dec 28 10:00:20 PST 2015 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-2.14.1-all.zip 7 | -------------------------------------------------------------------------------- /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 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 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 | -------------------------------------------------------------------------------- /readme.md: -------------------------------------------------------------------------------- 1 | 2 | ### EasyBlur 3 | 4 | EasyBlur 是对RenderScript 和fastBlur 2种方法的包装。 5 | 使用RenderScript 和fastBlur 做图片的高斯模糊，默认使用RenderScript,可以通过属性设置使用fastBlur方式。 6 | 7 | 效果图： 8 | 9 | ![效果图](simple.png) 10 | 11 | ### Gradle依赖 12 | 13 | 1, 最外层build.gradle 添加一下代码： 14 | 15 | ```java 16 | allprojects { 17 | repositories { 18 | jcenter() 19 | 20 | maven {url "https://jitpack.io"} 21 | } 22 | } 23 | ``` 24 | 25 | 2，app 的build.gradle添加： 26 | 27 | ```java 28 | dependencies { 29 | compile 'com.github.pinguo-zhouwei:EasyBlur:v1.0.0' 30 | } 31 | ``` 32 | 33 | 3,app 的build.gradle添加： 34 | 35 | ```java 36 | defaultConfig { 37 | applicationId "com.zhouwei.easyblur" 38 | minSdkVersion 16 39 | targetSdkVersion 25 40 | versionCode 1 41 | versionName "1.0" 42 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner" 43 | 44 | //使用renderscript 兼容包 45 | renderscriptTargetApi 25 46 | renderscriptSupportModeEnabled true 47 | } 48 | ``` 49 | ### 使用方法 50 | 1，简单使用，指定Bitmap和半径 51 | ```java 52 | Bitmap finalBitmap = EasyBlur.with(MainActivity.this) 53 | .bitmap(overlay) //要模糊的图片 54 | .radius(10)//模糊半径 55 | .blur(); 56 | ``` 57 | 2,可以指定缩小的倍数，默认缩小倍数为8 58 | ```java 59 | Bitmap finalBitmap = EasyBlur.with(MainActivity.this) 60 | .bitmap(overlay) //要模糊的图片 61 | .radius(10)//模糊半径 62 | .scale(4)//指定模糊前缩小的倍数 63 | .blur(); 64 | ``` 65 | 3, 指定使用哪一种方法,默认是使用兼容的RenderScript 高斯模糊 66 | ```java 67 | Bitmap finalBitmap = EasyBlur.with(MainActivity.this) 68 | .bitmap(overlay) //要模糊的图片 69 | .radius(10)//模糊半径 70 | .scale(4)//指定模糊前缩小的倍数 71 | .policy(EasyBlur.BlurPolicy.FAST_BLUR)//使用fastBlur 72 | .blur(); 73 | ``` 74 | ### 博客 75 | 76 | 77 | 78 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app', ':blurlibrary' 2 | -------------------------------------------------------------------------------- /simple.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/pinguo-zhouwei/EasyBlur/233916109be5ff2b89bdd1a65b2a4a2d1a6f147c/simple.png --------------------------------------------------------------------------------