Merge pull request #38 from wasabeef/v2.0.1

V2.0.1

CHANGELOG.md

@@ -1,6 +1,59 @@
 Change Log
 ==========
 
+Version 2.0.1 *(2016-04-21)*
+----------------------------
+
+Fix:
+ [#35](https://github.com/wasabeef/glide-transformations/issues/35)
+ RSInvalidStateException
+
+Version 2.0.0 *(2016-03-02)*
+----------------------------
+
+Say v8.RenderScript goodbye
+
+Version 1.4.0 *(2016-02-28)*
+----------------------------
+
+fix Issue [#29](https://github.com/wasabeef/glide-transformations/issues/29)
+ Use FastBlur as a fallback upon RenderScript failure.
+
+Version 1.3.1 *(2015-11-27)*
+----------------------------
+
+Change the renderscriptTargetApi down to 20.  
+ Warning:Renderscript support mode is not currently supported with renderscript target 21+
+
+fix: memory leak.
+
+Version 1.3.0 *(2015-11-10)*
+----------------------------
+
+add round corner type to RoundedCornersTransformation.  
+Thanks to [kaelaela](https://github.com/kaelaela)
+
+Version 1.2.1 *(2015-09-18)*
+----------------------------
+
+Merged NinePatchMaskTransformation to MaskTransformation.
+
+Version 1.2.0 *(2015-09-16)*
+----------------------------
+
+add new transformations MaskTransformation and NinePatchMaskTransformation.  
+Thanks to [start141](https://github.com/start141)
+
+Version 1.1.0 *(2015-09-05)*
+----------------------------
+
+Adjustment of default parameters.
+
+Version 1.0.8 *(2015-07-24)*
+----------------------------
+
+add DownSampling to BlurTransform
+
 Version 1.0.7 *(2015-07-18)*
 ----------------------------
 

README.md

@@ -9,8 +9,9 @@ An Android transformation library providing a variety of image transformations f
 Please feel free to use this.
 
 
-#### Are you using Picasso?
-[Picasso Transformations](https://github.com/wasabeef/picasso-transformations)
+#### Are you using Picasso or Fresco?
+[Picasso Transformations](https://github.com/wasabeef/picasso-transformations)  
+[Fresco Processors](https://github.com/wasabeef/fresco-processors)
 
 # Demo
 
@@ -32,8 +33,9 @@ repositories {
 }
 
 dependencies {
-    compile 'jp.wasabeef:glide-transformations:1.0.8@aar'
-    compile 'jp.co.cyberagent.android.gpuimage:gpuimage-library:1.2.3@aar'
+    compile 'jp.wasabeef:glide-transformations:2.0.1'
+    // If you want to use the GPU Filters
+    compile 'jp.co.cyberagent.android.gpuimage:gpuimage-library:1.3.0'
 }
 ```
 
@@ -43,7 +45,7 @@ Set Glide Transform.
 
 ```java
 Glide.with(this).load(R.drawable.demo)
-        .bitmapTransform(new BlurTransformation(this, Glide.get(this).getBitmapPool()))
+        .bitmapTransform(new BlurTransformation(context))
         .into((ImageView) findViewById(R.id.image));
 ```
 
@@ -52,31 +54,16 @@ Glide.with(this).load(R.drawable.demo)
 You can set a multiple transformations.
 
 ```java
-BitmapPool pool = Glide.get(this).getBitmapPool();
-Glide.with(this).load(R.drawable.demo).bitmapTransform(
-  new BlurTransformation(this, pool, 25, 2),  new CropCircleTransformation(pool))
+Glide.with(this).load(R.drawable.demo)
+  .bitmapTransform(new BlurTransformation(context, 25), new CropCircleTransformation(context))
   .into((ImageView) findViewById(R.id.image));
 ```
 
-## Step 4
-
-If you are using `BlurTransformation`.
-
-```groovy
-android {
-    ...
-    defaultConfig {
-        ...
-        renderscriptTargetApi 22
-        renderscriptSupportModeEnabled true
-    }
-}
-```
-
 ## Transformations
 
 ### Crop
-`CropTransformation`, `CropCircleTransformation`, `CropSquareTransformation`
+`CropTransformation`, `CropCircleTransformation`, `CropSquareTransformation`,
+`RoundedCornersTransformation`
 
 ### Color
 `ColorFilterTransformation`, `GrayscaleTransformation`
@@ -84,13 +71,17 @@ android {
 ### Blur
 `BlurTransformation`
 
-### Filter (use [GPUImage](https://github.com/CyberAgent/android-gpuimage))
+### Mask
+`MaskTransformation`
+
+### GPU Filter (use [GPUImage](https://github.com/CyberAgent/android-gpuimage))
+**Will require add dependencies for GPUImage.**  
+
 `ToonFilterTransformation`, `SepiaFilterTransformation`, `ContrastFilterTransformation`  
 `InvertFilterTransformation`, `PixelationFilterTransformation`, `SketchFilterTransformation`  
-`SwirlFilterTransformation`, `KuwaharaFilterTransformation`, `VignetteFilterTransformation`
+`SwirlFilterTransformation`, `BrightnessFilterTransformation`, `KuwaharaFilterTransformation`
+`VignetteFilterTransformation`
 
-### Other
-`RoundedCornersTransformation`
 
 Applications using Glide Transformations
 ---
@@ -110,6 +101,16 @@ Daichi Furiya (Wasabeef) - <dadadada.chop@gmail.com>
 src="https://raw.githubusercontent.com/wasabeef/art/master/twitter.png" width="75"/>
 </a>
 
+Contributions
+-------
+
+Any contributions are welcome!
+
+Contributers
+-------
+
+* [start141](https://github.com/start141)
+
 Thanks
 -------
 

build.gradle

@@ -5,11 +5,8 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.3.0-beta4'
-        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.2'
-
-        // NOTE: Do not place your application dependencies here; they belong
-        // in the individual module build.gradle files
+        classpath 'com.android.tools.build:gradle:2.0.0'
+        classpath 'com.novoda:bintray-release:0.3.4'
     }
 }
 

example/build.gradle

@@ -1,60 +1,58 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdkVersion COMPILE_SDK_VERSION as int
-    buildToolsVersion BUILD_TOOLS_VERSION
+  compileSdkVersion COMPILE_SDK_VERSION as int
+  buildToolsVersion BUILD_TOOLS_VERSION
 
-    defaultConfig {
-        minSdkVersion MIN_SDK_VERSION as int
-        targetSdkVersion TARGET_SDK_VERSION as int
-        versionCode VERSION_CODE as int
-        versionName VERSION_NAME
-        renderscriptTargetApi RENDERSCRIPT_TARGET_API as int
-        renderscriptSupportModeEnabled true
-    }
+  defaultConfig {
+    minSdkVersion MIN_SDK_VERSION as int
+    targetSdkVersion TARGET_SDK_VERSION as int
+    versionCode "git rev-list origin/master --count".execute().text.toInteger()
+    versionName VERSION_NAME
+  }
 
-    signingConfigs {
-        release {
-            storeFile file(keyStoreProperty)
-            keyAlias keyAliasProperty
-            storePassword keyStorePasswordProperty
-            keyPassword keyAliasPasswordProperty
-        }
+  signingConfigs {
+    release {
+      storeFile file(keyStoreProperty)
+      keyAlias keyAliasProperty
+      storePassword keyStorePasswordProperty
+      keyPassword keyAliasPasswordProperty
     }
+  }
 
-    buildTypes {
-        debug {
-            debuggable true
-            zipAlignEnabled true
-        }
-        release {
-            debuggable false
-            zipAlignEnabled true
-            signingConfig signingConfigs.release
-        }
+  buildTypes {
+    debug {
+      debuggable true
+      zipAlignEnabled true
     }
+    release {
+      debuggable false
+      zipAlignEnabled true
+      signingConfig signingConfigs.release
+    }
+  }
 }
 
 def getKeyStoreProperty() {
-    return hasProperty('WASABEEF_KEYSTORE') ? WASABEEF_KEYSTORE : "debug.keystore"
+  return hasProperty('WASABEEF_KEYSTORE') ? WASABEEF_KEYSTORE : "debug.keystore"
 }
 
 def getKeyAliasProperty() {
-    return hasProperty('WASABEEF_KEYALIAS') ? WASABEEF_KEYALIAS : "android"
+  return hasProperty('WASABEEF_KEYALIAS') ? WASABEEF_KEYALIAS : "android"
 }
 
 def getKeyStorePasswordProperty() {
-    return hasProperty('WASABEEF_KEYSTOREPASSWORD') ? WASABEEF_KEYSTOREPASSWORD : "androiddebugkey"
+  return hasProperty('WASABEEF_KEYSTOREPASSWORD') ? WASABEEF_KEYSTOREPASSWORD : "androiddebugkey"
 }
 
 def getKeyAliasPasswordProperty() {
-    return hasProperty('WASABEEF_KEYALIASPASSWORD') ? WASABEEF_KEYALIASPASSWORD : "android"
+  return hasProperty('WASABEEF_KEYALIASPASSWORD') ? WASABEEF_KEYALIASPASSWORD : "android"
 }
 
 dependencies {
-    compile project(':transformations')
-    compile "com.github.bumptech.glide:glide:${GLIDE_VERSION}"
-    compile "jp.co.cyberagent.android.gpuimage:gpuimage-library:${GPUIMAGE_VERSION}"
-    compile "com.android.support:appcompat-v7:${SUPPORT_PACKAGE_VERSION}"
-    compile "com.android.support:recyclerview-v7:${SUPPORT_PACKAGE_VERSION}"
+  compile project(':transformations')
+  compile "com.github.bumptech.glide:glide:${GLIDE_VERSION}"
+  compile "jp.co.cyberagent.android.gpuimage:gpuimage-library:${GPUIMAGE_VERSION}"
+  compile "com.android.support:appcompat-v7:${SUPPORT_PACKAGE_VERSION}"
+  compile "com.android.support:recyclerview-v7:${SUPPORT_PACKAGE_VERSION}"
 }

example/src/main/AndroidManifest.xml

@@ -1,21 +1,24 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="jp.wasabeef.example.glide" >
+  package="jp.wasabeef.example.glide"
+  >
 
-    <application
-        android:allowBackup="true"
-        android:icon="@drawable/ic_launcher"
-        android:label="@string/app_name"
-        android:theme="@style/AppTheme" >
-        <activity
-            android:name=".MainActivity"
-            android:label="@string/app_name" >
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
+  <application
+    android:allowBackup="true"
+    android:icon="@drawable/ic_launcher"
+    android:label="@string/app_name"
+    android:theme="@style/AppTheme"
+    >
+    <activity
+      android:name=".MainActivity"
+      android:label="@string/app_name"
+      >
+      <intent-filter>
+        <action android:name="android.intent.action.MAIN"/>
 
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
-        </activity>
-    </application>
+        <category android:name="android.intent.category.LAUNCHER"/>
+      </intent-filter>
+    </activity>
+  </application>
 
 </manifest>

example/src/main/java/jp/wasabeef/example/glide/MainActivity.java

@@ -4,44 +4,42 @@ import android.os.Bundle;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.GridLayoutManager;
 import android.support.v7.widget.RecyclerView;
-
 import java.util.ArrayList;
 import java.util.List;
-
 import jp.wasabeef.example.glide.MainAdapter.Type;
 
-
 public class MainActivity extends AppCompatActivity {
 
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_main);
+  @Override protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_main);
 
-        RecyclerView recyclerView = (RecyclerView) findViewById(R.id.list);
-        recyclerView.setLayoutManager(new GridLayoutManager(this, 2));
+    RecyclerView recyclerView = (RecyclerView) findViewById(R.id.list);
+    recyclerView.setLayoutManager(new GridLayoutManager(this, 2));
 
-        List<Type> dataSet = new ArrayList<>();
-        dataSet.add(Type.CropTop);
-        dataSet.add(Type.CropCenter);
-        dataSet.add(Type.CropBottom);
-        dataSet.add(Type.CropSquare);
-        dataSet.add(Type.CropCircle);
-        dataSet.add(Type.ColorFilter);
-        dataSet.add(Type.Grayscale);
-        dataSet.add(Type.RoundedCorners);
-        dataSet.add(Type.Blur);
-        dataSet.add(Type.Toon);
-        dataSet.add(Type.Sepia);
-        dataSet.add(Type.Contrast);
-        dataSet.add(Type.Invert);
-        dataSet.add(Type.Pixel);
-        dataSet.add(Type.Sketch);
-        dataSet.add(Type.Swirl);
-        dataSet.add(Type.Brightness);
-        dataSet.add(Type.Kuawahara);
-        dataSet.add(Type.Vignette);
+    List<Type> dataSet = new ArrayList<>();
+    dataSet.add(Type.Mask);
+    dataSet.add(Type.NinePatchMask);
+    dataSet.add(Type.CropTop);
+    dataSet.add(Type.CropCenter);
+    dataSet.add(Type.CropBottom);
+    dataSet.add(Type.CropSquare);
+    dataSet.add(Type.CropCircle);
+    dataSet.add(Type.ColorFilter);
+    dataSet.add(Type.Grayscale);
+    dataSet.add(Type.RoundedCorners);
+    dataSet.add(Type.Blur);
+    dataSet.add(Type.Toon);
+    dataSet.add(Type.Sepia);
+    dataSet.add(Type.Contrast);
+    dataSet.add(Type.Invert);
+    dataSet.add(Type.Pixel);
+    dataSet.add(Type.Sketch);
+    dataSet.add(Type.Swirl);
+    dataSet.add(Type.Brightness);
+    dataSet.add(Type.Kuawahara);
+    dataSet.add(Type.Vignette);
 
-        recyclerView.setAdapter(new MainAdapter(this, dataSet));
-    }
+    recyclerView.setAdapter(new MainAdapter(this, dataSet));
+  }
 }

example/src/main/java/jp/wasabeef/example/glide/MainAdapter.java

@@ -1,11 +1,6 @@
 package jp.wasabeef.example.glide;
 
-import com.bumptech.glide.Glide;
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-
 import android.content.Context;
-import android.graphics.Bitmap;
 import android.graphics.Color;
 import android.graphics.PointF;
 import android.support.v7.widget.RecyclerView;
@@ -14,15 +9,16 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.TextView;
-
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.resource.bitmap.CenterCrop;
 import java.util.List;
-
 import jp.wasabeef.glide.transformations.BlurTransformation;
 import jp.wasabeef.glide.transformations.ColorFilterTransformation;
 import jp.wasabeef.glide.transformations.CropCircleTransformation;
 import jp.wasabeef.glide.transformations.CropSquareTransformation;
 import jp.wasabeef.glide.transformations.CropTransformation;
 import jp.wasabeef.glide.transformations.GrayscaleTransformation;
+import jp.wasabeef.glide.transformations.MaskTransformation;
 import jp.wasabeef.glide.transformations.RoundedCornersTransformation;
 import jp.wasabeef.glide.transformations.gpu.BrightnessFilterTransformation;
 import jp.wasabeef.glide.transformations.gpu.ContrastFilterTransformation;
@@ -40,131 +36,204 @@ import jp.wasabeef.glide.transformations.gpu.VignetteFilterTransformation;
  */
 public class MainAdapter extends RecyclerView.Adapter<MainAdapter.ViewHolder> {
 
-    private Context mContext;
-    private List<Type> mDataSet;
-    private BitmapPool mPool;
+  private Context mContext;
+  private List<Type> mDataSet;
 
-    enum Type {
-        CropTop,
-        CropCenter,
-        CropBottom,
-        CropSquare,
-        CropCircle,
-        ColorFilter,
-        Grayscale,
-        RoundedCorners,
-        Blur,
-        Toon,
-        Sepia,
-        Contrast,
-        Invert,
-        Pixel,
-        Sketch,
-        Swirl,
-        Brightness,
-        Kuawahara,
-        Vignette
+  enum Type {
+    Mask,
+    NinePatchMask,
+    CropTop,
+    CropCenter,
+    CropBottom,
+    CropSquare,
+    CropCircle,
+    ColorFilter,
+    Grayscale,
+    RoundedCorners,
+    Blur,
+    Toon,
+    Sepia,
+    Contrast,
+    Invert,
+    Pixel,
+    Sketch,
+    Swirl,
+    Brightness,
+    Kuawahara,
+    Vignette
+  }
+
+  public MainAdapter(Context context, List<Type> dataSet) {
+    mContext = context;
+    mDataSet = dataSet;
+  }
+
+  @Override public MainAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
+    View v = LayoutInflater.from(mContext).inflate(R.layout.layout_list_item, parent, false);
+    return new ViewHolder(v);
+  }
+
+  @Override public void onBindViewHolder(MainAdapter.ViewHolder holder, int position) {
+    switch (mDataSet.get(position)) {
+      case Mask: {
+        int width = Utils.dip2px(mContext, 133.33f);
+        int height = Utils.dip2px(mContext, 126.33f);
+        Glide.with(mContext)
+            .load(R.drawable.check)
+            .override(width, height)
+            .bitmapTransform(new CenterCrop(mContext),
+                new MaskTransformation(mContext, R.drawable.mask_starfish))
+            .into(holder.image);
+        break;
+      }
+      case NinePatchMask: {
+        int width = Utils.dip2px(mContext, 150.0f);
+        int height = Utils.dip2px(mContext, 100.0f);
+        Glide.with(mContext)
+            .load(R.drawable.check)
+            .override(width, height)
+            .bitmapTransform(new CenterCrop(mContext),
+                new MaskTransformation(mContext, R.drawable.mask_chat_right))
+            .into(holder.image);
+        break;
+      }
+      case CropTop:
+        Glide.with(mContext)
+            .load(R.drawable.demo)
+            .bitmapTransform(
+                new CropTransformation(mContext, 300, 100, CropTransformation.CropType.TOP))
+            .into(holder.image);
+        break;
+      case CropCenter:
+        Glide.with(mContext)
+            .load(R.drawable.demo)
+            .bitmapTransform(new CropTransformation(mContext, 300, 100))
+            .into(holder.image);
+        break;
+      case CropBottom:
+        Glide.with(mContext)
+            .load(R.drawable.demo)
+            .bitmapTransform(
+                new CropTransformation(mContext, 300, 100, CropTransformation.CropType.BOTTOM))
+            .into(holder.image);
+
+        break;
+      case CropSquare:
+        Glide.with(mContext)
+            .load(R.drawable.demo)
+            .bitmapTransform(new CropSquareTransformation(mContext))
+            .into(holder.image);
+        break;
+      case CropCircle:
+        Glide.with(mContext)
+            .load(R.drawable.demo)
+            .bitmapTransform(new CropCircleTransformation(mContext))
+            .into(holder.image);
+        break;
+      case ColorFilter:
+        Glide.with(mContext)
+            .load(R.drawable.demo)
+            .bitmapTransform(new ColorFilterTransformation(mContext, Color.argb(80, 255, 0, 0)))
+            .into(holder.image);
+        break;
+      case Grayscale:
+        Glide.with(mContext)
+            .load(R.drawable.demo)
+            .bitmapTransform(new GrayscaleTransformation(mContext))
+            .into(holder.image);
+        break;
+      case RoundedCorners:
+        Glide.with(mContext)
+            .load(R.drawable.demo)
+            .bitmapTransform(new RoundedCornersTransformation(mContext, 30, 0,
+                RoundedCornersTransformation.CornerType.BOTTOM))
+            .into(holder.image);
+        break;
+      case Blur:
+        Glide.with(mContext)
+            .load(R.drawable.check)
+            .bitmapTransform(new BlurTransformation(mContext, 25))
+            .into(holder.image);
+        break;
+      case Toon:
+        Glide.with(mContext)
+            .load(R.drawable.demo)
+            .bitmapTransform(new ToonFilterTransformation(mContext))
+            .into(holder.image);
+        break;
+      case Sepia:
+        Glide.with(mContext)
+            .load(R.drawable.check)
+            .bitmapTransform(new SepiaFilterTransformation(mContext))
+            .into(holder.image);
+        break;
+      case Contrast:
+        Glide.with(mContext)
+            .load(R.drawable.check)
+            .bitmapTransform(new ContrastFilterTransformation(mContext, 2.0f))
+            .into(holder.image);
+        break;
+      case Invert:
+        Glide.with(mContext)
+            .load(R.drawable.check)
+            .bitmapTransform(new InvertFilterTransformation(mContext))
+            .into(holder.image);
+        break;
+      case Pixel:
+        Glide.with(mContext)
+            .load(R.drawable.check)
+            .bitmapTransform(new PixelationFilterTransformation(mContext, 20))
+            .into(holder.image);
+        break;
+      case Sketch:
+        Glide.with(mContext)
+            .load(R.drawable.check)
+            .bitmapTransform(new SketchFilterTransformation(mContext))
+            .into(holder.image);
+        break;
+      case Swirl:
+        Glide.with(mContext)
+            .load(R.drawable.check)
+            .bitmapTransform(
+                new SwirlFilterTransformation(mContext, 0.5f, 1.0f, new PointF(0.5f, 0.5f)))
+            .into(holder.image);
+        break;
+      case Brightness:
+        Glide.with(mContext)
+            .load(R.drawable.check)
+            .bitmapTransform(new BrightnessFilterTransformation(mContext, 0.5f))
+            .into(holder.image);
+        break;
+      case Kuawahara:
+        Glide.with(mContext)
+            .load(R.drawable.check)
+            .bitmapTransform(new KuwaharaFilterTransformation(mContext, 25))
+            .into(holder.image);
+        break;
+      case Vignette:
+        Glide.with(mContext)
+            .load(R.drawable.check)
+            .bitmapTransform(new VignetteFilterTransformation(mContext, new PointF(0.5f, 0.5f),
+                new float[] { 0.0f, 0.0f, 0.0f }, 0f, 0.75f))
+            .into(holder.image);
+        break;
     }
+    holder.title.setText(mDataSet.get(position).name());
+  }
 
-    public MainAdapter(Context context, List<Type> dataSet) {
-        mContext = context;
-        mDataSet = dataSet;
-        mPool = Glide.get(mContext).getBitmapPool();
-    }
-
-    @Override
-    public MainAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
-        View v = LayoutInflater.from(mContext)
-                .inflate(R.layout.layout_list_item, parent, false);
-        return new ViewHolder(v);
-    }
-
-    @Override
-    public void onBindViewHolder(MainAdapter.ViewHolder holder, int position) {
-        Transformation transformation = null;
-        switch (mDataSet.get(position)) {
-            case CropTop:
-                transformation =
-                        new CropTransformation(mPool, 300, 100, CropTransformation.CropType.TOP);
-                break;
-            case CropCenter:
-                transformation = new CropTransformation(mPool, 300, 100);
-                break;
-            case CropBottom:
-                transformation =
-                        new CropTransformation(mPool, 300, 100, CropTransformation.CropType.BOTTOM);
-                break;
-            case CropSquare:
-                transformation = new CropSquareTransformation(mPool);
-                break;
-            case CropCircle:
-                transformation = new CropCircleTransformation(mPool);
-                break;
-            case ColorFilter:
-                transformation = new ColorFilterTransformation(mPool, Color.argb(80, 255, 0, 0));
-                break;
-            case Grayscale:
-                transformation = new GrayscaleTransformation(mPool);
-                break;
-            case RoundedCorners:
-                transformation = new RoundedCornersTransformation(mPool, 100, 0);
-                break;
-            case Blur:
-                transformation = new BlurTransformation(mContext, mPool, 25, 1);
-                break;
-            case Toon:
-                transformation = new ToonFilterTransformation(mContext, mPool);
-                break;
-            case Sepia:
-                transformation = new SepiaFilterTransformation(mContext, mPool);
-                break;
-            case Contrast:
-                transformation = new ContrastFilterTransformation(mContext, mPool, 2.0f);
-                break;
-            case Invert:
-                transformation = new InvertFilterTransformation(mContext, mPool);
-                break;
-            case Pixel:
-                transformation = new PixelationFilterTransformation(mContext, mPool, 20);
-                break;
-            case Sketch:
-                transformation = new SketchFilterTransformation(mContext, mPool);
-                break;
-            case Swirl:
-                transformation = new SwirlFilterTransformation(mContext, mPool,
-                        0.5f, 1.0f, new PointF(0.5f, 0.5f));
-                break;
-            case Brightness:
-                transformation = new BrightnessFilterTransformation(mContext, mPool, 0.5f);
-                break;
-            case Kuawahara:
-                transformation = new KuwaharaFilterTransformation(mContext, mPool, 25);
-                break;
-            case Vignette:
-                transformation = new VignetteFilterTransformation(mContext, mPool,
-                        new PointF(0.5f, 0.5f), new float[]{0.0f, 0.0f, 0.0f}, 0f, 0.75f);
-                break;
-        }
-
-        Glide.with(mContext).load(R.drawable.demo)
-                .bitmapTransform(transformation).into(holder.image);
-        holder.title.setText(mDataSet.get(position).name());
-    }
-
-    @Override
-    public int getItemCount() {
-        return mDataSet.size();
-    }
-
-    static class ViewHolder extends RecyclerView.ViewHolder {
-
-        public ImageView image;
-        public TextView title;
-
-        ViewHolder(View itemView) {
-            super(itemView);
-            image = (ImageView) itemView.findViewById(R.id.image);
-            title = (TextView) itemView.findViewById(R.id.title);
-        }
+  @Override public int getItemCount() {
+    return mDataSet.size();
+  }
+
+  static class ViewHolder extends RecyclerView.ViewHolder {
+
+    public ImageView image;
+    public TextView title;
+
+    ViewHolder(View itemView) {
+      super(itemView);
+      image = (ImageView) itemView.findViewById(R.id.image);
+      title = (TextView) itemView.findViewById(R.id.title);
     }
+  }
 }

example/src/main/java/jp/wasabeef/example/glide/Utils.java

@@ -0,0 +1,27 @@
+package jp.wasabeef.example.glide;
+
+/**
+ * Copyright (C) 2015 Wasabeef
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import android.content.Context;
+
+public class Utils {
+
+  public static int dip2px(Context context, float dp) {
+    float scale = context.getResources().getDisplayMetrics().density;
+    return (int) (dp * scale + 0.5f);
+  }
+}

example/src/main/res/layout/activity_main.xml

@@ -1,13 +1,15 @@
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
+  xmlns:tools="http://schemas.android.com/tools"
+  android:layout_width="match_parent"
+  android:layout_height="match_parent"
+  android:background="#CC000000"
+  tools:context=".MainActivity"
+  >
+
+  <android.support.v7.widget.RecyclerView
+    android:id="@+id/list"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="#CC000000"
-    tools:context=".MainActivity">
-
-    <android.support.v7.widget.RecyclerView
-        android:id="@+id/list"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"/>
+    />
 
 </RelativeLayout>

example/src/main/res/layout/layout_list_item.xml

@@ -1,23 +1,26 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+  android:layout_width="match_parent"
+  android:layout_height="wrap_content"
+  android:padding="5dp"
+  >
+
+  <ImageView
+    android:id="@+id/image"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:padding="5dp">
+    android:layout_height="wrap_content"
+    android:layout_centerInParent="true"
+    android:contentDescription="@null"
+    />
 
-    <ImageView
-        android:id="@+id/image"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_centerInParent="true"
-        android:contentDescription="@null"/>
-
-    <TextView
-        android:id="@+id/title"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_below="@id/image"
-        android:layout_centerHorizontal="true"
-        android:layout_marginTop="5dp"
-        android:textColor="@android:color/white"/>
+  <TextView
+    android:id="@+id/title"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_below="@id/image"
+    android:layout_centerHorizontal="true"
+    android:layout_marginTop="5dp"
+    android:textColor="@android:color/white"
+    />
 
 </RelativeLayout>

example/src/main/res/values-w820dp/dimens.xml

@@ -1,6 +1,6 @@
 <resources>
-    <!-- Example customization of dimensions originally defined in res/values/dimens.xml
-         (such as screen margins) for screens with more than 820dp of available width. This
-         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
-    <dimen name="activity_horizontal_margin">64dp</dimen>
+  <!-- Example customization of dimensions originally defined in res/values/dimens.xml
+       (such as screen margins) for screens with more than 820dp of available width. This
+       would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
+  <dimen name="activity_horizontal_margin">64dp</dimen>
 </resources>

example/src/main/res/values/dimens.xml

@@ -1,5 +1,5 @@
 <resources>
-    <!-- Default screen margins, per the Android Design guidelines. -->
-    <dimen name="activity_horizontal_margin">16dp</dimen>
-    <dimen name="activity_vertical_margin">16dp</dimen>
+  <!-- Default screen margins, per the Android Design guidelines. -->
+  <dimen name="activity_horizontal_margin">16dp</dimen>
+  <dimen name="activity_vertical_margin">16dp</dimen>
 </resources>

example/src/main/res/values/strings.xml

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
-    <string name="app_name">glide-transformations</string>
-    <string name="hello_world">Hello world!</string>
-    <string name="action_settings">Settings</string>
+  <string name="app_name">glide-transformations</string>
+  <string name="hello_world">Hello world!</string>
+  <string name="action_settings">Settings</string>
 
 </resources>

example/src/main/res/values/styles.xml

@@ -1,8 +1,8 @@
 <resources>
 
-    <!-- Base application theme. -->
-    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
-        <!-- Customize your theme here. -->
-    </style>
+  <!-- Base application theme. -->
+  <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+    <!-- Customize your theme here. -->
+  </style>
 
 </resources>

gradle.properties

@@ -1,12 +1,10 @@
-VERSION_NAME=1.0.8
-VERSION_CODE=8
+VERSION_NAME=2.0.1
 GROUP=jp.wasabeef
 ARTIFACT_ID=glide-transformations
 
-COMPILE_SDK_VERSION=22
-BUILD_TOOLS_VERSION=22.0.1
-TARGET_SDK_VERSION=22
-RENDERSCRIPT_TARGET_API=22
+COMPILE_SDK_VERSION=23
+BUILD_TOOLS_VERSION=23.0.2
+TARGET_SDK_VERSION=23
 MIN_SDK_VERSION=11
 
 POM_DESCRIPTION=which provides simple Tranformations to Glide
@@ -23,6 +21,6 @@ POM_DEVELOPER_EMAIL=dadadada.chop@gmail.com
 POM_DEVELOPER_URL=wasabeef.jp
 ISSUE_URL=https://github.com/wasabeef/glide-transformations/issues
 
-SUPPORT_PACKAGE_VERSION=22.2.1
-GLIDE_VERSION=3.6.1
-GPUIMAGE_VERSION=1.2.3
+SUPPORT_PACKAGE_VERSION=23.2.1
+GLIDE_VERSION=3.7.0
+GPUIMAGE_VERSION=1.3.0

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,5 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.12-all.zip
+

transformations/android-artifacts.gradle

@@ -1,25 +0,0 @@
-task androidJavadocs(type: Javadoc) {
-    source = android.sourceSets.main.java.srcDirs
-    ext.androidJar = "${android.sdkDirectory}/platforms/${android.compileSdkVersion}/android.jar"
-    classpath += files(ext.androidJar)
-}
-
-task androidJavadocsJar(type: Jar, dependsOn: androidJavadocs) {
-    classifier = 'javadoc'
-    from androidJavadocs.destinationDir
-}
-
-task androidSourcesJar(type: Jar) {
-    classifier = 'sources'
-    from android.sourceSets.main.java.sourceFiles
-}
-
-task androidJar(type: Jar) {
-    from 'build/intermediates/classes/release'
-}
-
-artifacts {
-    archives androidSourcesJar
-    archives androidJavadocsJar
-    archives androidJar
-}

transformations/bintray-publish.gradle

@@ -1,64 +0,0 @@
-apply plugin: 'maven-publish'
-apply plugin: 'com.jfrog.bintray'
-
-publishing {
-    publications {
-        mavenJava(MavenPublication) {
-            groupId GROUP
-            version VERSION_NAME
-            artifactId ARTIFACT_ID
-//            artifact androidJar
-            artifact "build/outputs/aar/transformations-release.aar"
-            artifact androidJavadocsJar
-            artifact androidSourcesJar
-            pom.withXml {
-                Node root = asNode()
-                root.appendNode('name', ARTIFACT_ID)
-                root.appendNode('description', POM_DESCRIPTION)
-                root.appendNode('url', POM_URL)
-
-                def issues = root.appendNode('issueManagement')
-                issues.appendNode('system', 'github')
-                issues.appendNode('url', ISSUE_URL)
-
-                def scm = root.appendNode('scm')
-                scm.appendNode('url', POM_SCM_URL)
-                scm.appendNode('connection', POM_SCM_CONNECTION)
-                scm.appendNode('developerConnection', POM_SCM_DEV_CONNECTION)
-
-                def license = root.appendNode('licenses').appendNode('license')
-                license.appendNode('name', POM_LICENCE_NAME)
-                license.appendNode('url', POM_LICENCE_URL)
-                license.appendNode('distribution', POM_LICENCE_DIST)
-            }
-        }
-    }
-}
-
-def getBintrayUserProperty() {
-    return hasProperty('bintrayUser') ? bintrayUser : ""
-}
-
-def getBintrayApiKeyProperty() {
-    return hasProperty('bintrayApiKey') ? bintrayApiKey : ""
-}
-
-bintray {
-    user = bintrayUserProperty
-    key = bintrayApiKeyProperty
-    publications = ['mavenJava']
-
-    dryRun = false
-    publish = false
-    pkg {
-        repo = 'maven'
-        name = ARTIFACT_ID
-        licenses = ['Apache-2.0']
-        labels = ['android']
-
-        version {
-            name = VERSION_NAME
-            vcsTag = VERSION_NAME
-        }
-    }
-}

transformations/build.gradle

@@ -1,42 +1,50 @@
 apply plugin: 'com.android.library'
+apply plugin: 'com.novoda.bintray-release'
 
 android {
-    compileSdkVersion COMPILE_SDK_VERSION as int
-    buildToolsVersion BUILD_TOOLS_VERSION
+  compileSdkVersion COMPILE_SDK_VERSION as int
+  buildToolsVersion BUILD_TOOLS_VERSION
 
-    defaultConfig {
-        minSdkVersion MIN_SDK_VERSION as int
-        targetSdkVersion TARGET_SDK_VERSION as int
-        versionCode VERSION_CODE as int
-        versionName VERSION_NAME
-        renderscriptTargetApi RENDERSCRIPT_TARGET_API as int
-        renderscriptSupportModeEnabled true
-    }
+  defaultConfig {
+    minSdkVersion MIN_SDK_VERSION as int
+    targetSdkVersion TARGET_SDK_VERSION as int
+    versionCode "git rev-list origin/master --count".execute().text.toInteger()
+    versionName VERSION_NAME
+
+    consumerProguardFiles 'proguard-rules.txt'
+  }
 }
 
 dependencies {
-    compile "com.github.bumptech.glide:glide:${GLIDE_VERSION}"
-    compile "jp.co.cyberagent.android.gpuimage:gpuimage-library:${GPUIMAGE_VERSION}"
+  compile "com.github.bumptech.glide:glide:${GLIDE_VERSION}"
+  provided "jp.co.cyberagent.android.gpuimage:gpuimage-library:${GPUIMAGE_VERSION}"
 }
 
-android.libraryVariants.all { variant ->
-    if (variant.buildType.isDebuggable()) {
-        return; // Skip debug builds.
-    }
-    task("javadoc${variant.name.capitalize()}", type: Javadoc) {
-        description "Generates Javadoc for $variant.name."
-        source = variant.javaCompile.source
-        ext.androidJar = System.getenv("ANDROID_HOME") + "/platforms/${android.compileSdkVersion}/android.jar"
-        classpath = files(variant.javaCompile.classpath.files) + files(ext.androidJar)
-    }
-
-    task("bundleJavadoc${variant.name.capitalize()}", type: Jar) {
-        description "Bundles Javadoc into zip for $variant.name."
-        classifier = "javadoc"
-        from tasks["javadoc${variant.name.capitalize()}"]
-    }
+task androidJavadocs(type: Javadoc) {
+  source = android.sourceSets.main.java.srcDirs
+  classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
 }
 
-apply from: 'android-artifacts.gradle'
-apply from: 'central-publish.gradle'
-apply from: 'bintray-publish.gradle'
+task androidJavadocsJar(type: Jar, dependsOn: androidJavadocs) {
+  classifier = 'javadoc'
+  from androidJavadocs.destinationDir
+}
+
+task androidSourcesJar(type: Jar) {
+  classifier = 'sources'
+  from android.sourceSets.main.java.srcDirs
+}
+
+artifacts {
+  archives androidSourcesJar
+  archives androidJavadocsJar
+}
+
+publish {
+  userOrg = POM_DEVELOPER_ID
+  groupId = GROUP
+  artifactId = ARTIFACT_ID
+  publishVersion = VERSION_NAME
+  desc = POM_DESCRIPTION
+  website = POM_URL
+}

transformations/central-publish.gradle

@@ -1,94 +0,0 @@
-/*
- * Copyright 2013 Chris Banes
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-apply plugin: 'maven'
-apply plugin: 'signing'
-
-def isReleaseBuild() {
-    return VERSION_NAME.contains("SNAPSHOT") == false
-}
-
-def getReleaseRepositoryUrl() {
-    return hasProperty('RELEASE_REPOSITORY_URL') ? RELEASE_REPOSITORY_URL
-            : "https://oss.sonatype.org/service/local/staging/deploy/maven2/"
-}
-
-def getSnapshotRepositoryUrl() {
-    return hasProperty('SNAPSHOT_REPOSITORY_URL') ? SNAPSHOT_REPOSITORY_URL
-            : "https://oss.sonatype.org/content/repositories/snapshots/"
-}
-
-def getRepositoryUsername() {
-    return hasProperty('NEXUS_USERNAME') ? NEXUS_USERNAME : ""
-}
-
-def getRepositoryPassword() {
-    return hasProperty('NEXUS_PASSWORD') ? NEXUS_PASSWORD : ""
-}
-
-afterEvaluate { project ->
-    uploadArchives {
-        repositories {
-            mavenDeployer {
-                beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }
-
-                pom.groupId = GROUP
-                pom.artifactId = POM_ARTIFACT_ID
-                pom.version = VERSION_NAME
-
-                repository(url: getReleaseRepositoryUrl()) {
-                    authentication(userName: getRepositoryUsername(), password: getRepositoryPassword())
-                }
-                snapshotRepository(url: getSnapshotRepositoryUrl()) {
-                    authentication(userName: getRepositoryUsername(), password: getRepositoryPassword())
-                }
-
-                pom.project {
-                    name POM_NAME
-                    packaging POM_PACKAGING
-                    description POM_DESCRIPTION
-                    url POM_URL
-
-                    scm {
-                        url POM_SCM_URL
-                        connection POM_SCM_CONNECTION
-                        developerConnection POM_SCM_DEV_CONNECTION
-                    }
-
-                    licenses {
-                        license {
-                            name POM_LICENCE_NAME
-                            url POM_LICENCE_URL
-                            distribution POM_LICENCE_DIST
-                        }
-                    }
-
-                    developers {
-                        developer {
-                            id POM_DEVELOPER_ID
-                            name POM_DEVELOPER_NAME
-                        }
-                    }
-                }
-            }
-        }
-    }
-
-    signing {
-        required { isReleaseBuild() && gradle.taskGraph.hasTask("uploadArchives") }
-        sign configurations.archives
-    }
-}

transformations/gradle.properties

@@ -1,3 +0,0 @@
-POM_NAME=which provides simple Tranformations to Glide
-POM_ARTIFACT_ID=glide-transformations
-POM_PACKAGING=aar

transformations/proguard-rules.txt

@@ -0,0 +1 @@
+-dontwarn jp.co.cyberagent.android.gpuimage.**

transformations/src/androidTest/java/jp/wasabeef/glide/transformations/ApplicationTest.java

@@ -8,7 +8,7 @@ import android.test.ApplicationTestCase;
  */
 public class ApplicationTest extends ApplicationTestCase<Application> {
 
-    public ApplicationTest() {
-        super(Application.class);
-    }
+  public ApplicationTest() {
+    super(Application.class);
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/BlurTransformation.java

@@ -16,84 +16,92 @@ package jp.wasabeef.glide.transformations;
  * limitations under the License.
  */
 
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.Resource;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-import com.bumptech.glide.load.resource.bitmap.BitmapResource;
-
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Paint;
-import android.support.v8.renderscript.Allocation;
-import android.support.v8.renderscript.Element;
-import android.support.v8.renderscript.RenderScript;
-import android.support.v8.renderscript.ScriptIntrinsicBlur;
+import android.os.Build;
+import android.renderscript.RSRuntimeException;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.Transformation;
+import com.bumptech.glide.load.engine.Resource;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
+import com.bumptech.glide.load.resource.bitmap.BitmapResource;
+import jp.wasabeef.glide.transformations.internal.FastBlur;
+import jp.wasabeef.glide.transformations.internal.RSBlur;
 
 public class BlurTransformation implements Transformation<Bitmap> {
 
-    private static int MAX_RADIUS = 25;
-    private static int DEFAULT_DOWN_SAMPLING = 1;
+  private static int MAX_RADIUS = 25;
+  private static int DEFAULT_DOWN_SAMPLING = 1;
 
-    private Context mContext;
-    private BitmapPool mBitmapPool;
+  private Context mContext;
+  private BitmapPool mBitmapPool;
 
-    private int mRadius;
-    private int mSampling;
+  private int mRadius;
+  private int mSampling;
 
-    public BlurTransformation(Context context, BitmapPool pool) {
-        this(context, pool, MAX_RADIUS, DEFAULT_DOWN_SAMPLING);
+  public BlurTransformation(Context context) {
+    this(context, Glide.get(context).getBitmapPool(), MAX_RADIUS, DEFAULT_DOWN_SAMPLING);
+  }
+
+  public BlurTransformation(Context context, BitmapPool pool) {
+    this(context, pool, MAX_RADIUS, DEFAULT_DOWN_SAMPLING);
+  }
+
+  public BlurTransformation(Context context, BitmapPool pool, int radius) {
+    this(context, pool, radius, DEFAULT_DOWN_SAMPLING);
+  }
+
+  public BlurTransformation(Context context, int radius) {
+    this(context, Glide.get(context).getBitmapPool(), radius, DEFAULT_DOWN_SAMPLING);
+  }
+
+  public BlurTransformation(Context context, int radius, int sampling) {
+    this(context, Glide.get(context).getBitmapPool(), radius, sampling);
+  }
+
+  public BlurTransformation(Context context, BitmapPool pool, int radius, int sampling) {
+    mContext = context.getApplicationContext();
+    mBitmapPool = pool;
+    mRadius = radius;
+    mSampling = sampling;
+  }
+
+  @Override
+  public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
+    Bitmap source = resource.get();
+
+    int width = source.getWidth();
+    int height = source.getHeight();
+    int scaledWidth = width / mSampling;
+    int scaledHeight = height / mSampling;
+
+    Bitmap bitmap = mBitmapPool.get(scaledWidth, scaledHeight, Bitmap.Config.ARGB_8888);
+    if (bitmap == null) {
+      bitmap = Bitmap.createBitmap(scaledWidth, scaledHeight, Bitmap.Config.ARGB_8888);
     }
 
-    public BlurTransformation(Context context, BitmapPool pool, int radius) {
-        this(context, pool, radius, DEFAULT_DOWN_SAMPLING);
+    Canvas canvas = new Canvas(bitmap);
+    canvas.scale(1 / (float) mSampling, 1 / (float) mSampling);
+    Paint paint = new Paint();
+    paint.setFlags(Paint.FILTER_BITMAP_FLAG);
+    canvas.drawBitmap(source, 0, 0, paint);
+
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR2) {
+      try {
+        bitmap = RSBlur.blur(mContext, bitmap, mRadius);
+      } catch (RSRuntimeException e) {
+        bitmap = FastBlur.blur(bitmap, mRadius, true);
+      }
+    } else {
+      bitmap = FastBlur.blur(bitmap, mRadius, true);
     }
 
-    public BlurTransformation(Context context, BitmapPool pool, int radius, int sampling) {
-        mContext = context;
-        mBitmapPool = pool;
-        mRadius = radius;
-        mSampling = sampling;
-    }
+    return BitmapResource.obtain(bitmap, mBitmapPool);
+  }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
-
-        int width = source.getWidth();
-        int height = source.getHeight();
-        int scaledWidth = width / mSampling;
-        int scaledHeight = height / mSampling;
-
-        Bitmap bitmap = mBitmapPool.get(scaledWidth, scaledHeight, Bitmap.Config.ARGB_8888);
-        if (bitmap == null) {
-            bitmap = Bitmap.createBitmap(scaledWidth, scaledHeight, Bitmap.Config.ARGB_8888);
-        }
-
-        Canvas canvas = new Canvas(bitmap);
-        canvas.scale(1 / (float) mSampling, 1 / (float) mSampling);
-        Paint paint = new Paint();
-        paint.setFlags(Paint.FILTER_BITMAP_FLAG);
-        canvas.drawBitmap(source, 0, 0, paint);
-
-        RenderScript rs = RenderScript.create(mContext);
-        Allocation input = Allocation.createFromBitmap(rs, bitmap,
-                Allocation.MipmapControl.MIPMAP_NONE, Allocation.USAGE_SCRIPT);
-        Allocation output = Allocation.createTyped(rs, input.getType());
-        ScriptIntrinsicBlur blur = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
-
-        blur.setInput(input);
-        blur.setRadius(mRadius);
-        blur.forEach(output);
-        output.copyTo(bitmap);
-
-        rs.destroy();
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
-    }
-
-    @Override
-    public String getId() {
-        return "BlurTransformation(radius=" + mRadius + ", sampling=" + mSampling + ")";
-    }
+  @Override public String getId() {
+    return "BlurTransformation(radius=" + mRadius + ", sampling=" + mSampling + ")";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/ColorFilterTransformation.java

@@ -16,53 +16,57 @@ package jp.wasabeef.glide.transformations;
  * limitations under the License.
  */
 
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.Resource;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-import com.bumptech.glide.load.resource.bitmap.BitmapResource;
-
+import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.graphics.PorterDuff;
 import android.graphics.PorterDuffColorFilter;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.Transformation;
+import com.bumptech.glide.load.engine.Resource;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
+import com.bumptech.glide.load.resource.bitmap.BitmapResource;
 
 public class ColorFilterTransformation implements Transformation<Bitmap> {
 
-    private BitmapPool mBitmapPool;
+  private BitmapPool mBitmapPool;
 
-    private int mColor;
+  private int mColor;
 
-    public ColorFilterTransformation(BitmapPool pool, int color) {
-        mBitmapPool = pool;
-        mColor = color;
+  public ColorFilterTransformation(Context context, int color) {
+    this(Glide.get(context).getBitmapPool(), color);
+  }
+
+  public ColorFilterTransformation(BitmapPool pool, int color) {
+    mBitmapPool = pool;
+    mColor = color;
+  }
+
+  @Override
+  public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
+    Bitmap source = resource.get();
+
+    int width = source.getWidth();
+    int height = source.getHeight();
+
+    Bitmap.Config config =
+        source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
+    Bitmap bitmap = mBitmapPool.get(width, height, config);
+    if (bitmap == null) {
+      bitmap = Bitmap.createBitmap(width, height, config);
     }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
+    Canvas canvas = new Canvas(bitmap);
+    Paint paint = new Paint();
+    paint.setAntiAlias(true);
+    paint.setColorFilter(new PorterDuffColorFilter(mColor, PorterDuff.Mode.SRC_ATOP));
+    canvas.drawBitmap(source, 0, 0, paint);
 
-        int width = source.getWidth();
-        int height = source.getHeight();
+    return BitmapResource.obtain(bitmap, mBitmapPool);
+  }
 
-        Bitmap.Config config =
-                source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
-        Bitmap bitmap = mBitmapPool.get(width, height, config);
-        if (bitmap == null) {
-            bitmap = Bitmap.createBitmap(width, height, config);
-        }
-
-        Canvas canvas = new Canvas(bitmap);
-        Paint paint = new Paint();
-        paint.setAntiAlias(true);
-        paint.setColorFilter(new PorterDuffColorFilter(mColor, PorterDuff.Mode.SRC_ATOP));
-        canvas.drawBitmap(source, 0, 0, paint);
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
-    }
-
-    @Override
-    public String getId() {
-        return "ColorFilterTransformation(color=" + mColor + ")";
-    }
+  @Override public String getId() {
+    return "ColorFilterTransformation(color=" + mColor + ")";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/CropCircleTransformation.java

@@ -16,58 +16,63 @@ package jp.wasabeef.glide.transformations;
  * limitations under the License.
  */
 
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.Resource;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-import com.bumptech.glide.load.resource.bitmap.BitmapResource;
-
+import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.BitmapShader;
 import android.graphics.Canvas;
 import android.graphics.Matrix;
 import android.graphics.Paint;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.Transformation;
+import com.bumptech.glide.load.engine.Resource;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
+import com.bumptech.glide.load.resource.bitmap.BitmapResource;
 
 public class CropCircleTransformation implements Transformation<Bitmap> {
 
-    private BitmapPool mBitmapPool;
+  private BitmapPool mBitmapPool;
 
-    public CropCircleTransformation(BitmapPool pool) {
-        this.mBitmapPool = pool;
+  public CropCircleTransformation(Context context) {
+    this(Glide.get(context).getBitmapPool());
+  }
+
+  public CropCircleTransformation(BitmapPool pool) {
+    this.mBitmapPool = pool;
+  }
+
+  @Override
+  public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
+    Bitmap source = resource.get();
+    int size = Math.min(source.getWidth(), source.getHeight());
+
+    int width = (source.getWidth() - size) / 2;
+    int height = (source.getHeight() - size) / 2;
+
+    Bitmap bitmap = mBitmapPool.get(size, size, Bitmap.Config.ARGB_8888);
+    if (bitmap == null) {
+      bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
     }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
-        int size = Math.min(source.getWidth(), source.getHeight());
-
-        int width = (source.getWidth() - size) / 2;
-        int height = (source.getHeight() - size) / 2;
-
-        Bitmap bitmap = mBitmapPool.get(size, size, Bitmap.Config.ARGB_8888);
-        if (bitmap == null) {
-            bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
-        }
-
-        Canvas canvas = new Canvas(bitmap);
-        Paint paint = new Paint();
-        BitmapShader shader = new BitmapShader(source, BitmapShader.TileMode.CLAMP,
-                BitmapShader.TileMode.CLAMP);
-        if (width != 0 || height != 0) {
-            Matrix matrix = new Matrix();
-            matrix.setTranslate(-width, -height);
-            shader.setLocalMatrix(matrix);
-        }
-        paint.setShader(shader);
-        paint.setAntiAlias(true);
-
-        float r = size / 2f;
-        canvas.drawCircle(r, r, r, paint);
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
+    Canvas canvas = new Canvas(bitmap);
+    Paint paint = new Paint();
+    BitmapShader shader =
+        new BitmapShader(source, BitmapShader.TileMode.CLAMP, BitmapShader.TileMode.CLAMP);
+    if (width != 0 || height != 0) {
+      // source isn't square, move viewport to center
+      Matrix matrix = new Matrix();
+      matrix.setTranslate(-width, -height);
+      shader.setLocalMatrix(matrix);
     }
+    paint.setShader(shader);
+    paint.setAntiAlias(true);
 
-    @Override
-    public String getId() {
-        return "CropCircleTransformation()";
-    }
+    float r = size / 2f;
+    canvas.drawCircle(r, r, r, paint);
+
+    return BitmapResource.obtain(bitmap, mBitmapPool);
+  }
+
+  @Override public String getId() {
+    return "CropCircleTransformation()";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/CropSquareTransformation.java

@@ -16,43 +16,47 @@ package jp.wasabeef.glide.transformations;
  * limitations under the License.
  */
 
+import android.content.Context;
+import android.graphics.Bitmap;
+import com.bumptech.glide.Glide;
 import com.bumptech.glide.load.Transformation;
 import com.bumptech.glide.load.engine.Resource;
 import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
 import com.bumptech.glide.load.resource.bitmap.BitmapResource;
 
-import android.graphics.Bitmap;
-
 public class CropSquareTransformation implements Transformation<Bitmap> {
 
-    private BitmapPool mBitmapPool;
-    private int mWidth;
-    private int mHeight;
+  private BitmapPool mBitmapPool;
+  private int mWidth;
+  private int mHeight;
 
-    public CropSquareTransformation(BitmapPool pool) {
-        this.mBitmapPool = pool;
+  public CropSquareTransformation(Context context) {
+    this(Glide.get(context).getBitmapPool());
+  }
+
+  public CropSquareTransformation(BitmapPool pool) {
+    this.mBitmapPool = pool;
+  }
+
+  @Override
+  public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
+    Bitmap source = resource.get();
+    int size = Math.min(source.getWidth(), source.getHeight());
+
+    mWidth = (source.getWidth() - size) / 2;
+    mHeight = (source.getHeight() - size) / 2;
+
+    Bitmap.Config config =
+        source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
+    Bitmap bitmap = mBitmapPool.get(mWidth, mHeight, config);
+    if (bitmap == null) {
+      bitmap = Bitmap.createBitmap(source, mWidth, mHeight, size, size);
     }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
-        int size = Math.min(source.getWidth(), source.getHeight());
+    return BitmapResource.obtain(bitmap, mBitmapPool);
+  }
 
-        mWidth = (source.getWidth() - size) / 2;
-        mHeight = (source.getHeight() - size) / 2;
-
-        Bitmap.Config config =
-                source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
-        Bitmap bitmap = mBitmapPool.get(mWidth, mHeight, config);
-        if (bitmap == null) {
-            bitmap = Bitmap.createBitmap(source, mWidth, mHeight, size, size);
-        }
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
-    }
-
-    @Override
-    public String getId() {
-        return "CropSquareTransformation(width=" + mWidth + ", height=" + mHeight + ")";
-    }
+  @Override public String getId() {
+    return "CropSquareTransformation(width=" + mWidth + ", height=" + mHeight + ")";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/CropTransformation.java

@@ -16,91 +16,101 @@ package jp.wasabeef.glide.transformations;
  * limitations under the License.
  */
 
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.RectF;
+import com.bumptech.glide.Glide;
 import com.bumptech.glide.load.Transformation;
 import com.bumptech.glide.load.engine.Resource;
 import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
 import com.bumptech.glide.load.resource.bitmap.BitmapResource;
 
-import android.graphics.Bitmap;
-import android.graphics.Canvas;
-import android.graphics.RectF;
-
 public class CropTransformation implements Transformation<Bitmap> {
 
-    private BitmapPool mBitmapPool;
-    private int mWidth;
-    private int mHeight;
+  public enum CropType {
+    TOP,
+    CENTER,
+    BOTTOM
+  }
 
-    private CropType mCropType = CropType.CENTER;
+  private BitmapPool mBitmapPool;
+  private int mWidth;
+  private int mHeight;
 
-    public CropTransformation(BitmapPool pool) {
-        mBitmapPool = pool;
+  private CropType mCropType = CropType.CENTER;
+
+  public CropTransformation(Context context) {
+    this(Glide.get(context).getBitmapPool());
+  }
+
+  public CropTransformation(BitmapPool pool) {
+    this(pool, 0, 0);
+  }
+
+  public CropTransformation(Context context, int width, int height) {
+    this(Glide.get(context).getBitmapPool(), width, height);
+  }
+
+  public CropTransformation(BitmapPool pool, int width, int height) {
+    this(pool, width, height, CropType.CENTER);
+  }
+
+  public CropTransformation(Context context, int width, int height, CropType cropType) {
+    this(Glide.get(context).getBitmapPool(), width, height, cropType);
+  }
+
+  public CropTransformation(BitmapPool pool, int width, int height, CropType cropType) {
+    mBitmapPool = pool;
+    mWidth = width;
+    mHeight = height;
+    mCropType = cropType;
+  }
+
+  @Override
+  public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
+    Bitmap source = resource.get();
+    mWidth = mWidth == 0 ? source.getWidth() : mWidth;
+    mHeight = mHeight == 0 ? source.getHeight() : mHeight;
+
+    Bitmap.Config config =
+        source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
+    Bitmap bitmap = mBitmapPool.get(mWidth, mHeight, config);
+    if (bitmap == null) {
+      bitmap = Bitmap.createBitmap(mWidth, mHeight, config);
     }
 
-    public CropTransformation(BitmapPool pool, int width, int height) {
-        mBitmapPool = pool;
-        mWidth = width;
-        mHeight = height;
-    }
-
-    public CropTransformation(BitmapPool pool, int width, int height, CropType cropType) {
-        mBitmapPool = pool;
-        mWidth = width;
-        mHeight = height;
-        mCropType = cropType;
-    }
-
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
-        mWidth = mWidth == 0 ? source.getWidth() : mWidth;
-        mHeight = mHeight == 0 ? source.getHeight() : mHeight;
-
-        Bitmap.Config config =
-                source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
-        Bitmap bitmap = mBitmapPool.get(mWidth, mHeight, config);
-        if (bitmap == null) {
-            bitmap = Bitmap.createBitmap(mWidth, mHeight, config);
-        }
-
-        float scaleX = (float) mWidth / source.getWidth();
-        float scaleY = (float) mHeight / source.getHeight();
-        float scale = Math.max(scaleX, scaleY);
-
-        float scaledWidth = scale * source.getWidth();
-        float scaledHeight = scale * source.getHeight();
-        float left = (mWidth - scaledWidth) / 2;
-        float top = getTop(scaledHeight);
-        RectF targetRect = new RectF(left, top, left + scaledWidth, top + scaledHeight);
-
-        Canvas canvas = new Canvas(bitmap);
-        canvas.drawBitmap(source, null, targetRect, null);
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
-    }
-
-    @Override
-    public String getId() {
-        return "CropTransformation(width=" + mWidth + ", height=" + mHeight + ", cropType="
-                + mCropType + ")";
-    }
-
-    private float getTop(float scaledHeight) {
-        switch (mCropType) {
-            case TOP:
-                return 0;
-            case CENTER:
-                return (mHeight - scaledHeight) / 2;
-            case BOTTOM:
-                return mHeight - scaledHeight;
-            default:
-                return 0;
-        }
-    }
-
-    public enum CropType {
-        TOP,
-        CENTER,
-        BOTTOM
+    float scaleX = (float) mWidth / source.getWidth();
+    float scaleY = (float) mHeight / source.getHeight();
+    float scale = Math.max(scaleX, scaleY);
+
+    float scaledWidth = scale * source.getWidth();
+    float scaledHeight = scale * source.getHeight();
+    float left = (mWidth - scaledWidth) / 2;
+    float top = getTop(scaledHeight);
+    RectF targetRect = new RectF(left, top, left + scaledWidth, top + scaledHeight);
+
+    Canvas canvas = new Canvas(bitmap);
+    canvas.drawBitmap(source, null, targetRect, null);
+
+    return BitmapResource.obtain(bitmap, mBitmapPool);
+  }
+
+  @Override public String getId() {
+    return "CropTransformation(width=" + mWidth + ", height=" + mHeight + ", cropType=" + mCropType
+        + ")";
+  }
+
+  private float getTop(float scaledHeight) {
+    switch (mCropType) {
+      case TOP:
+        return 0;
+      case CENTER:
+        return (mHeight - scaledHeight) / 2;
+      case BOTTOM:
+        return mHeight - scaledHeight;
+      default:
+        return 0;
     }
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/GrayscaleTransformation.java

@@ -16,51 +16,55 @@ package jp.wasabeef.glide.transformations;
  * limitations under the License.
  */
 
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.Resource;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-import com.bumptech.glide.load.resource.bitmap.BitmapResource;
-
+import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
 import android.graphics.ColorMatrix;
 import android.graphics.ColorMatrixColorFilter;
 import android.graphics.Paint;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.Transformation;
+import com.bumptech.glide.load.engine.Resource;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
+import com.bumptech.glide.load.resource.bitmap.BitmapResource;
 
 public class GrayscaleTransformation implements Transformation<Bitmap> {
 
-    private BitmapPool mBitmapPool;
+  private BitmapPool mBitmapPool;
 
-    public GrayscaleTransformation(BitmapPool pool) {
-        mBitmapPool = pool;
+  public GrayscaleTransformation(Context context) {
+    this(Glide.get(context).getBitmapPool());
+  }
+
+  public GrayscaleTransformation(BitmapPool pool) {
+    mBitmapPool = pool;
+  }
+
+  @Override
+  public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
+    Bitmap source = resource.get();
+
+    int width = source.getWidth();
+    int height = source.getHeight();
+
+    Bitmap.Config config =
+        source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
+    Bitmap bitmap = mBitmapPool.get(width, height, config);
+    if (bitmap == null) {
+      bitmap = Bitmap.createBitmap(width, height, config);
     }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
+    Canvas canvas = new Canvas(bitmap);
+    ColorMatrix saturation = new ColorMatrix();
+    saturation.setSaturation(0f);
+    Paint paint = new Paint();
+    paint.setColorFilter(new ColorMatrixColorFilter(saturation));
+    canvas.drawBitmap(source, 0, 0, paint);
 
-        int width = source.getWidth();
-        int height = source.getHeight();
+    return BitmapResource.obtain(bitmap, mBitmapPool);
+  }
 
-        Bitmap.Config config =
-                source.getConfig() != null ? source.getConfig() : Bitmap.Config.ARGB_8888;
-        Bitmap bitmap = mBitmapPool.get(width, height, config);
-        if (bitmap == null) {
-            bitmap = Bitmap.createBitmap(width, height, config);
-        }
-
-        Canvas canvas = new Canvas(bitmap);
-        ColorMatrix saturation = new ColorMatrix();
-        saturation.setSaturation(0f);
-        Paint paint = new Paint();
-        paint.setColorFilter(new ColorMatrixColorFilter(saturation));
-        canvas.drawBitmap(source, 0, 0, paint);
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
-    }
-
-    @Override
-    public String getId() {
-        return "GrayscaleTransformation()";
-    }
+  @Override public String getId() {
+    return "GrayscaleTransformation()";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/MaskTransformation.java

@@ -0,0 +1,85 @@
+package jp.wasabeef.glide.transformations;
+
+/**
+ * Copyright (C) 2015 Wasabeef
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffXfermode;
+import android.graphics.drawable.Drawable;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.Transformation;
+import com.bumptech.glide.load.engine.Resource;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
+import com.bumptech.glide.load.resource.bitmap.BitmapResource;
+import jp.wasabeef.glide.transformations.internal.Utils;
+
+public class MaskTransformation implements Transformation<Bitmap> {
+
+  private static Paint sMaskingPaint = new Paint();
+  private Context mContext;
+  private BitmapPool mBitmapPool;
+  private int mMaskId;
+
+  static {
+    sMaskingPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
+  }
+
+  /**
+   * @param maskId If you change the mask file, please also rename the mask file, or Glide will get
+   * the cache with the old mask. Because getId() return the same values if using the
+   * same make file name. If you have a good idea please tell us, thanks.
+   */
+  public MaskTransformation(Context context, int maskId) {
+    this(context, Glide.get(context).getBitmapPool(), maskId);
+  }
+
+  public MaskTransformation(Context context, BitmapPool pool, int maskId) {
+    mBitmapPool = pool;
+    mContext = context.getApplicationContext();
+    mMaskId = maskId;
+  }
+
+  @Override
+  public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
+    Bitmap source = resource.get();
+
+    int width = source.getWidth();
+    int height = source.getHeight();
+
+    Bitmap result = mBitmapPool.get(width, height, Bitmap.Config.ARGB_8888);
+    if (result == null) {
+      result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
+    }
+
+    Drawable mask = Utils.getMaskDrawable(mContext, mMaskId);
+
+    Canvas canvas = new Canvas(result);
+    mask.setBounds(0, 0, width, height);
+    mask.draw(canvas);
+    canvas.drawBitmap(source, 0, 0, sMaskingPaint);
+
+    return BitmapResource.obtain(result, mBitmapPool);
+  }
+
+  @Override public String getId() {
+    return "MaskTransformation(maskId=" + mContext.getResources().getResourceEntryName(mMaskId)
+        + ")";
+  }
+}

transformations/src/main/java/jp/wasabeef/glide/transformations/RoundedCornersTransformation.java

@@ -16,55 +16,240 @@ package jp.wasabeef.glide.transformations;
  * limitations under the License.
  */
 
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.Resource;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-import com.bumptech.glide.load.resource.bitmap.BitmapResource;
-
+import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.BitmapShader;
 import android.graphics.Canvas;
 import android.graphics.Paint;
 import android.graphics.RectF;
 import android.graphics.Shader;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.Transformation;
+import com.bumptech.glide.load.engine.Resource;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
+import com.bumptech.glide.load.resource.bitmap.BitmapResource;
 
 public class RoundedCornersTransformation implements Transformation<Bitmap> {
 
-    private BitmapPool mBitmapPool;
+  public enum CornerType {
+    ALL,
+    TOP_LEFT, TOP_RIGHT, BOTTOM_LEFT, BOTTOM_RIGHT,
+    TOP, BOTTOM, LEFT, RIGHT,
+    OTHER_TOP_LEFT, OTHER_TOP_RIGHT, OTHER_BOTTOM_LEFT, OTHER_BOTTOM_RIGHT,
+    DIAGONAL_FROM_TOP_LEFT, DIAGONAL_FROM_TOP_RIGHT
+  }
 
-    private int radius;
-    private int margin;
+  private BitmapPool mBitmapPool;
+  private int mRadius;
+  private int mDiameter;
+  private int mMargin;
+  private CornerType mCornerType;
 
-    public RoundedCornersTransformation(BitmapPool pool, int radius, int margin) {
-        this.radius = radius;
-        this.margin = margin;
-        mBitmapPool = pool;
+  public RoundedCornersTransformation(Context context, int radius, int margin) {
+    this(context, radius, margin, CornerType.ALL);
+  }
+
+  public RoundedCornersTransformation(BitmapPool pool, int radius, int margin) {
+    this(pool, radius, margin, CornerType.ALL);
+  }
+
+  public RoundedCornersTransformation(Context context, int radius, int margin,
+      CornerType cornerType) {
+    this(Glide.get(context).getBitmapPool(), radius, margin, cornerType);
+  }
+
+  public RoundedCornersTransformation(BitmapPool pool, int radius, int margin,
+      CornerType cornerType) {
+    mBitmapPool = pool;
+    mRadius = radius;
+    mDiameter = mRadius * 2;
+    mMargin = margin;
+    mCornerType = cornerType;
+  }
+
+  @Override
+  public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
+    Bitmap source = resource.get();
+
+    int width = source.getWidth();
+    int height = source.getHeight();
+
+    Bitmap bitmap = mBitmapPool.get(width, height, Bitmap.Config.ARGB_8888);
+    if (bitmap == null) {
+      bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
     }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
+    Canvas canvas = new Canvas(bitmap);
+    Paint paint = new Paint();
+    paint.setAntiAlias(true);
+    paint.setShader(new BitmapShader(source, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
+    drawRoundRect(canvas, paint, width, height);
+    return BitmapResource.obtain(bitmap, mBitmapPool);
+  }
 
-        int width = source.getWidth();
-        int height = source.getHeight();
+  private void drawRoundRect(Canvas canvas, Paint paint, float width, float height) {
+    float right = width - mMargin;
+    float bottom = height - mMargin;
 
-        Bitmap bitmap = mBitmapPool.get(width, height, Bitmap.Config.ARGB_8888);
-        if (bitmap == null) {
-            bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
-        }
-
-        Canvas canvas = new Canvas(bitmap);
-        Paint paint = new Paint();
-        paint.setAntiAlias(true);
-        paint.setShader(new BitmapShader(source, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP));
-        canvas.drawRoundRect(new RectF(margin, margin, width - margin, height - margin),
-                radius, radius, paint);
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
+    switch (mCornerType) {
+      case ALL:
+        canvas.drawRoundRect(new RectF(mMargin, mMargin, right, bottom), mRadius, mRadius, paint);
+        break;
+      case TOP_LEFT:
+        drawTopLeftRoundRect(canvas, paint, right, bottom);
+        break;
+      case TOP_RIGHT:
+        drawTopRightRoundRect(canvas, paint, right, bottom);
+        break;
+      case BOTTOM_LEFT:
+        drawBottomLeftRoundRect(canvas, paint, right, bottom);
+        break;
+      case BOTTOM_RIGHT:
+        drawBottomRightRoundRect(canvas, paint, right, bottom);
+        break;
+      case TOP:
+        drawTopRoundRect(canvas, paint, right, bottom);
+        break;
+      case BOTTOM:
+        drawBottomRoundRect(canvas, paint, right, bottom);
+        break;
+      case LEFT:
+        drawLeftRoundRect(canvas, paint, right, bottom);
+        break;
+      case RIGHT:
+        drawRightRoundRect(canvas, paint, right, bottom);
+        break;
+      case OTHER_TOP_LEFT:
+        drawOtherTopLeftRoundRect(canvas, paint, right, bottom);
+        break;
+      case OTHER_TOP_RIGHT:
+        drawOtherTopRightRoundRect(canvas, paint, right, bottom);
+        break;
+      case OTHER_BOTTOM_LEFT:
+        drawOtherBottomLeftRoundRect(canvas, paint, right, bottom);
+        break;
+      case OTHER_BOTTOM_RIGHT:
+        drawOtherBottomRightRoundRect(canvas, paint, right, bottom);
+        break;
+      case DIAGONAL_FROM_TOP_LEFT:
+        drawDiagonalFromTopLeftRoundRect(canvas, paint, right, bottom);
+        break;
+      case DIAGONAL_FROM_TOP_RIGHT:
+        drawDiagonalFromTopRightRoundRect(canvas, paint, right, bottom);
+        break;
+      default:
+        canvas.drawRoundRect(new RectF(mMargin, mMargin, right, bottom), mRadius, mRadius, paint);
+        break;
     }
+  }
 
-    @Override
-    public String getId() {
-        return "RoundedTransformation(radius=" + radius + ", margin=" + margin + ")";
-    }
+  private void drawTopLeftRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
+    canvas.drawRoundRect(new RectF(mMargin, mMargin, mMargin + mDiameter, mMargin + mDiameter),
+        mRadius, mRadius, paint);
+    canvas.drawRect(new RectF(mMargin, mMargin + mRadius, mMargin + mRadius, bottom), paint);
+    canvas.drawRect(new RectF(mMargin + mRadius, mMargin, right, bottom), paint);
+  }
+
+  private void drawTopRightRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
+    canvas.drawRoundRect(new RectF(right - mDiameter, mMargin, right, mMargin + mDiameter), mRadius,
+        mRadius, paint);
+    canvas.drawRect(new RectF(mMargin, mMargin, right - mRadius, bottom), paint);
+    canvas.drawRect(new RectF(right - mRadius, mMargin + mRadius, right, bottom), paint);
+  }
+
+  private void drawBottomLeftRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
+    canvas.drawRoundRect(new RectF(mMargin, bottom - mDiameter, mMargin + mDiameter, bottom),
+        mRadius, mRadius, paint);
+    canvas.drawRect(new RectF(mMargin, mMargin, mMargin + mDiameter, bottom - mRadius), paint);
+    canvas.drawRect(new RectF(mMargin + mRadius, mMargin, right, bottom), paint);
+  }
+
+  private void drawBottomRightRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
+    canvas.drawRoundRect(new RectF(right - mDiameter, bottom - mDiameter, right, bottom), mRadius,
+        mRadius, paint);
+    canvas.drawRect(new RectF(mMargin, mMargin, right - mRadius, bottom), paint);
+    canvas.drawRect(new RectF(right - mRadius, mMargin, right, bottom - mRadius), paint);
+  }
+
+  private void drawTopRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
+    canvas.drawRoundRect(new RectF(mMargin, mMargin, right, mMargin + mDiameter), mRadius, mRadius,
+        paint);
+    canvas.drawRect(new RectF(mMargin, mMargin + mRadius, right, bottom), paint);
+  }
+
+  private void drawBottomRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
+    canvas.drawRoundRect(new RectF(mMargin, bottom - mDiameter, right, bottom), mRadius, mRadius,
+        paint);
+    canvas.drawRect(new RectF(mMargin, mMargin, right, bottom - mRadius), paint);
+  }
+
+  private void drawLeftRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
+    canvas.drawRoundRect(new RectF(mMargin, mMargin, mMargin + mDiameter, bottom), mRadius, mRadius,
+        paint);
+    canvas.drawRect(new RectF(mMargin + mRadius, mMargin, right, bottom), paint);
+  }
+
+  private void drawRightRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
+    canvas.drawRoundRect(new RectF(right - mDiameter, mMargin, right, bottom), mRadius, mRadius,
+        paint);
+    canvas.drawRect(new RectF(mMargin, mMargin, right - mRadius, bottom), paint);
+  }
+
+  private void drawOtherTopLeftRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
+    canvas.drawRoundRect(new RectF(mMargin, bottom - mDiameter, right, bottom), mRadius, mRadius,
+        paint);
+    canvas.drawRoundRect(new RectF(right - mDiameter, mMargin, right, bottom), mRadius, mRadius,
+        paint);
+    canvas.drawRect(new RectF(mMargin, mMargin, right - mRadius, bottom - mRadius), paint);
+  }
+
+  private void drawOtherTopRightRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
+    canvas.drawRoundRect(new RectF(mMargin, mMargin, mMargin + mDiameter, bottom), mRadius, mRadius,
+        paint);
+    canvas.drawRoundRect(new RectF(mMargin, bottom - mDiameter, right, bottom), mRadius, mRadius,
+        paint);
+    canvas.drawRect(new RectF(mMargin + mRadius, mMargin, right, bottom - mRadius), paint);
+  }
+
+  private void drawOtherBottomLeftRoundRect(Canvas canvas, Paint paint, float right, float bottom) {
+    canvas.drawRoundRect(new RectF(mMargin, mMargin, right, mMargin + mDiameter), mRadius, mRadius,
+        paint);
+    canvas.drawRoundRect(new RectF(right - mDiameter, mMargin, right, bottom), mRadius, mRadius,
+        paint);
+    canvas.drawRect(new RectF(mMargin, mMargin + mRadius, right - mRadius, bottom), paint);
+  }
+
+  private void drawOtherBottomRightRoundRect(Canvas canvas, Paint paint, float right,
+      float bottom) {
+    canvas.drawRoundRect(new RectF(mMargin, mMargin, right, mMargin + mDiameter), mRadius, mRadius,
+        paint);
+    canvas.drawRoundRect(new RectF(mMargin, mMargin, mMargin + mDiameter, bottom), mRadius, mRadius,
+        paint);
+    canvas.drawRect(new RectF(mMargin + mRadius, mMargin + mRadius, right, bottom), paint);
+  }
+
+  private void drawDiagonalFromTopLeftRoundRect(Canvas canvas, Paint paint, float right,
+      float bottom) {
+    canvas.drawRoundRect(new RectF(mMargin, mMargin, mMargin + mDiameter, mMargin + mDiameter),
+        mRadius, mRadius, paint);
+    canvas.drawRoundRect(new RectF(right - mDiameter, bottom - mDiameter, right, bottom), mRadius,
+        mRadius, paint);
+    canvas.drawRect(new RectF(mMargin, mMargin + mRadius, right - mDiameter, bottom), paint);
+    canvas.drawRect(new RectF(mMargin + mDiameter, mMargin, right, bottom - mRadius), paint);
+  }
+
+  private void drawDiagonalFromTopRightRoundRect(Canvas canvas, Paint paint, float right,
+      float bottom) {
+    canvas.drawRoundRect(new RectF(right - mDiameter, mMargin, right, mMargin + mDiameter), mRadius,
+        mRadius, paint);
+    canvas.drawRoundRect(new RectF(mMargin, bottom - mDiameter, mMargin + mDiameter, bottom),
+        mRadius, mRadius, paint);
+    canvas.drawRect(new RectF(mMargin, mMargin, right - mRadius, bottom - mRadius), paint);
+    canvas.drawRect(new RectF(mMargin + mRadius, mMargin + mRadius, right, bottom), paint);
+  }
+
+  @Override public String getId() {
+    return "RoundedTransformation(radius=" + mRadius + ", margin=" + mMargin + ", diameter="
+        + mDiameter + ", cornerType=" + mCornerType.name() + ")";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/gpu/BrightnessFilterTransformation.java

@@ -16,56 +16,38 @@ package jp.wasabeef.glide.transformations.gpu;
  * limitations under the License.
  */
 
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.Resource;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-import com.bumptech.glide.load.resource.bitmap.BitmapResource;
-
 import android.content.Context;
-import android.graphics.Bitmap;
-
-import jp.co.cyberagent.android.gpuimage.GPUImage;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
 import jp.co.cyberagent.android.gpuimage.GPUImageBrightnessFilter;
 
 /**
  * brightness value ranges from -1.0 to 1.0, with 0.0 as the normal level
  */
-public class BrightnessFilterTransformation implements Transformation<Bitmap> {
+public class BrightnessFilterTransformation extends GPUFilterTransformation {
 
-    private Context mContext;
-    private BitmapPool mBitmapPool;
+  private float mBrightness;
 
-    private GPUImageBrightnessFilter mFilter = new GPUImageBrightnessFilter();
-    private float mBrightness;
+  public BrightnessFilterTransformation(Context context) {
+    this(context, Glide.get(context).getBitmapPool());
+  }
 
-    public BrightnessFilterTransformation(Context context, BitmapPool pool) {
-        mContext = context;
-        mBitmapPool = pool;
-    }
+  public BrightnessFilterTransformation(Context context, BitmapPool pool) {
+    this(context, pool, 0.0f);
+  }
 
-    public BrightnessFilterTransformation(Context context, BitmapPool pool, float brightness) {
-        mContext = context;
-        mBitmapPool = pool;
-        mBrightness = brightness;
-        mFilter.setBrightness(mBrightness);
-    }
+  public BrightnessFilterTransformation(Context context, float brightness) {
+    this(context, Glide.get(context).getBitmapPool(), brightness);
+  }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
+  public BrightnessFilterTransformation(Context context, BitmapPool pool, float brightness) {
+    super(context, pool, new GPUImageBrightnessFilter());
+    mBrightness = brightness;
+    GPUImageBrightnessFilter filter = getFilter();
+    filter.setBrightness(mBrightness);
+  }
 
-        GPUImage gpuImage = new GPUImage(mContext);
-        gpuImage.setImage(source);
-        gpuImage.setFilter(mFilter);
-        Bitmap bitmap = gpuImage.getBitmapWithFilterApplied();
-
-        source.recycle();
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
-    }
-
-    @Override
-    public String getId() {
-        return "BrightnessFilterTransformation(brightness=" + mBrightness + ")";
-    }
+  @Override public String getId() {
+    return "BrightnessFilterTransformation(brightness=" + mBrightness + ")";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/gpu/ContrastFilterTransformation.java

@@ -16,56 +16,38 @@ package jp.wasabeef.glide.transformations.gpu;
  * limitations under the License.
  */
 
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.Resource;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-import com.bumptech.glide.load.resource.bitmap.BitmapResource;
-
 import android.content.Context;
-import android.graphics.Bitmap;
-
-import jp.co.cyberagent.android.gpuimage.GPUImage;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
 import jp.co.cyberagent.android.gpuimage.GPUImageContrastFilter;
 
 /**
  * contrast value ranges from 0.0 to 4.0, with 1.0 as the normal level
  */
-public class ContrastFilterTransformation implements Transformation<Bitmap> {
+public class ContrastFilterTransformation extends GPUFilterTransformation {
 
-    private Context mContext;
-    private BitmapPool mBitmapPool;
+  private float mContrast;
 
-    private GPUImageContrastFilter mFilter = new GPUImageContrastFilter();
-    private float mContrast;
+  public ContrastFilterTransformation(Context context) {
+    this(context, Glide.get(context).getBitmapPool());
+  }
 
-    public ContrastFilterTransformation(Context context, BitmapPool pool) {
-        mContext = context;
-        mBitmapPool = pool;
-    }
+  public ContrastFilterTransformation(Context context, BitmapPool pool) {
+    this(context, pool, 1.0f);
+  }
 
-    public ContrastFilterTransformation(Context context, BitmapPool pool, float contrast) {
-        mContext = context;
-        mBitmapPool = pool;
-        mContrast = contrast;
-        mFilter.setContrast(mContrast);
-    }
+  public ContrastFilterTransformation(Context context, float contrast) {
+    this(context, Glide.get(context).getBitmapPool(), contrast);
+  }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
+  public ContrastFilterTransformation(Context context, BitmapPool pool, float contrast) {
+    super(context, pool, new GPUImageContrastFilter());
+    mContrast = contrast;
+    GPUImageContrastFilter filter = getFilter();
+    filter.setContrast(mContrast);
+  }
 
-        GPUImage gpuImage = new GPUImage(mContext);
-        gpuImage.setImage(source);
-        gpuImage.setFilter(mFilter);
-        Bitmap bitmap = gpuImage.getBitmapWithFilterApplied();
-
-        source.recycle();
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
-    }
-
-    @Override
-    public String getId() {
-        return "ContrastFilterTransformation(contrast=" + mContrast + ")";
-    }
+  @Override public String getId() {
+    return "ContrastFilterTransformation(contrast=" + mContrast + ")";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/gpu/GPUFilterTransformation.java

@@ -0,0 +1,65 @@
+package jp.wasabeef.glide.transformations.gpu;
+
+/**
+ * Copyright (C) 2015 Wasabeef
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.Transformation;
+import com.bumptech.glide.load.engine.Resource;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
+import com.bumptech.glide.load.resource.bitmap.BitmapResource;
+import jp.co.cyberagent.android.gpuimage.GPUImage;
+import jp.co.cyberagent.android.gpuimage.GPUImageFilter;
+
+public class GPUFilterTransformation implements Transformation<Bitmap> {
+
+  private Context mContext;
+  private BitmapPool mBitmapPool;
+
+  private GPUImageFilter mFilter;
+
+  public GPUFilterTransformation(Context context, GPUImageFilter filter) {
+    this(context, Glide.get(context).getBitmapPool(), filter);
+  }
+
+  public GPUFilterTransformation(Context context, BitmapPool pool, GPUImageFilter filter) {
+    mContext = context.getApplicationContext();
+    mBitmapPool = pool;
+    mFilter = filter;
+  }
+
+  @Override
+  public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
+    Bitmap source = resource.get();
+    GPUImage gpuImage = new GPUImage(mContext);
+    gpuImage.setImage(source);
+    gpuImage.setFilter(mFilter);
+
+    Bitmap bitmap = gpuImage.getBitmapWithFilterApplied();
+
+    return BitmapResource.obtain(bitmap, mBitmapPool);
+  }
+
+  @Override public String getId() {
+    return getClass().getSimpleName();
+  }
+
+  @SuppressWarnings("unchecked") public <T> T getFilter() {
+    return (T) mFilter;
+  }
+}

transformations/src/main/java/jp/wasabeef/glide/transformations/gpu/InvertFilterTransformation.java

@@ -16,43 +16,25 @@ package jp.wasabeef.glide.transformations.gpu;
  * limitations under the License.
  */
 
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.Resource;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-import com.bumptech.glide.load.resource.bitmap.BitmapResource;
-
 import android.content.Context;
-import android.graphics.Bitmap;
-
-import jp.co.cyberagent.android.gpuimage.GPUImage;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
 import jp.co.cyberagent.android.gpuimage.GPUImageColorInvertFilter;
 
-public class InvertFilterTransformation implements Transformation<Bitmap> {
+/**
+ * Invert all the colors in the image.
+ */
+public class InvertFilterTransformation extends GPUFilterTransformation {
 
-    private Context mContext;
-    private BitmapPool mBitmapPool;
+  public InvertFilterTransformation(Context context) {
+    this(context, Glide.get(context).getBitmapPool());
+  }
 
-    public InvertFilterTransformation(Context context, BitmapPool pool) {
-        mContext = context;
-        mBitmapPool = pool;
-    }
+  public InvertFilterTransformation(Context context, BitmapPool pool) {
+    super(context, pool, new GPUImageColorInvertFilter());
+  }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
-
-        GPUImage gpuImage = new GPUImage(mContext);
-        gpuImage.setImage(source);
-        gpuImage.setFilter(new GPUImageColorInvertFilter());
-        Bitmap bitmap = gpuImage.getBitmapWithFilterApplied();
-
-        source.recycle();
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
-    }
-
-    @Override
-    public String getId() {
-        return "InvertFilterTransformation()";
-    }
+  @Override public String getId() {
+    return "InvertFilterTransformation()";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/gpu/KuwaharaFilterTransformation.java

@@ -16,57 +16,41 @@ package jp.wasabeef.glide.transformations.gpu;
  * limitations under the License.
  */
 
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.Resource;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-import com.bumptech.glide.load.resource.bitmap.BitmapResource;
-
 import android.content.Context;
-import android.graphics.Bitmap;
-
-import jp.co.cyberagent.android.gpuimage.GPUImage;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
 import jp.co.cyberagent.android.gpuimage.GPUImageKuwaharaFilter;
 
 /**
- * The radius to sample from when creating the brush-stroke effect, with a default of 3.
+ * Kuwahara all the colors in the image.
+ *
+ * The radius to sample from when creating the brush-stroke effect, with a default of 25.
  * The larger the radius, the slower the filter.
  */
-public class KuwaharaFilterTransformation implements Transformation<Bitmap> {
+public class KuwaharaFilterTransformation extends GPUFilterTransformation {
 
-    private Context mContext;
-    private BitmapPool mBitmapPool;
+  private int mRadius;
 
-    private GPUImageKuwaharaFilter mFilter = new GPUImageKuwaharaFilter();
-    private int mRadius;
+  public KuwaharaFilterTransformation(Context context) {
+    this(context, Glide.get(context).getBitmapPool());
+  }
 
-    public KuwaharaFilterTransformation(Context context, BitmapPool pool) {
-        mContext = context;
-        mBitmapPool = pool;
-    }
+  public KuwaharaFilterTransformation(Context context, BitmapPool pool) {
+    this(context, pool, 25);
+  }
 
-    public KuwaharaFilterTransformation(Context context, BitmapPool pool, int radius) {
-        mContext = context;
-        mBitmapPool = pool;
-        mRadius = radius;
-        mFilter.setRadius(mRadius);
-    }
+  public KuwaharaFilterTransformation(Context context, int radius) {
+    this(context, Glide.get(context).getBitmapPool(), radius);
+  }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
+  public KuwaharaFilterTransformation(Context context, BitmapPool pool, int radius) {
+    super(context, pool, new GPUImageKuwaharaFilter());
+    mRadius = radius;
+    GPUImageKuwaharaFilter filter = getFilter();
+    filter.setRadius(mRadius);
+  }
 
-        GPUImage gpuImage = new GPUImage(mContext);
-        gpuImage.setImage(source);
-        gpuImage.setFilter(mFilter);
-        Bitmap bitmap = gpuImage.getBitmapWithFilterApplied();
-
-        source.recycle();
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
-    }
-
-    @Override
-    public String getId() {
-        return "KuwaharaFilterTransformation(radius=" + mRadius + ")";
-    }
+  @Override public String getId() {
+    return "KuwaharaFilterTransformation(radius=" + mRadius + ")";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/gpu/PixelationFilterTransformation.java

@@ -16,53 +16,40 @@ package jp.wasabeef.glide.transformations.gpu;
  * limitations under the License.
  */
 
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.Resource;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-import com.bumptech.glide.load.resource.bitmap.BitmapResource;
-
 import android.content.Context;
-import android.graphics.Bitmap;
-
-import jp.co.cyberagent.android.gpuimage.GPUImage;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
 import jp.co.cyberagent.android.gpuimage.GPUImagePixelationFilter;
 
-public class PixelationFilterTransformation implements Transformation<Bitmap> {
+/**
+ * Applies a Pixelation effect to the image.
+ *
+ * The pixel with a default of 10.0.
+ */
+public class PixelationFilterTransformation extends GPUFilterTransformation {
 
-    private Context mContext;
-    private BitmapPool mBitmapPool;
+  private float mPixel;
 
-    private GPUImagePixelationFilter mFilter = new GPUImagePixelationFilter();
-    private float mPixel;
+  public PixelationFilterTransformation(Context context) {
+    this(context, Glide.get(context).getBitmapPool());
+  }
 
-    public PixelationFilterTransformation(Context context, BitmapPool pool) {
-        mContext = context;
-        mBitmapPool = pool;
-    }
+  public PixelationFilterTransformation(Context context, BitmapPool pool) {
+    this(context, pool, 10f);
+  }
 
-    public PixelationFilterTransformation(Context context, BitmapPool pool, float pixel) {
-        mContext = context;
-        mBitmapPool = pool;
-        mPixel = pixel;
-        mFilter.setPixel(mPixel);
-    }
+  public PixelationFilterTransformation(Context context, float pixel) {
+    this(context, Glide.get(context).getBitmapPool(), pixel);
+  }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
+  public PixelationFilterTransformation(Context context, BitmapPool pool, float pixel) {
+    super(context, pool, new GPUImagePixelationFilter());
+    mPixel = pixel;
+    GPUImagePixelationFilter filter = getFilter();
+    filter.setPixel(mPixel);
+  }
 
-        GPUImage gpuImage = new GPUImage(mContext);
-        gpuImage.setImage(source);
-        gpuImage.setFilter(mFilter);
-        Bitmap bitmap = gpuImage.getBitmapWithFilterApplied();
-
-        source.recycle();
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
-    }
-
-    @Override
-    public String getId() {
-        return "PixelationFilterTransformation(pixel=" + mPixel + ")";
-    }
+  @Override public String getId() {
+    return "PixelationFilterTransformation(pixel=" + mPixel + ")";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/gpu/SepiaFilterTransformation.java

@@ -16,53 +16,40 @@ package jp.wasabeef.glide.transformations.gpu;
  * limitations under the License.
  */
 
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.Resource;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-import com.bumptech.glide.load.resource.bitmap.BitmapResource;
-
 import android.content.Context;
-import android.graphics.Bitmap;
-
-import jp.co.cyberagent.android.gpuimage.GPUImage;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
 import jp.co.cyberagent.android.gpuimage.GPUImageSepiaFilter;
 
-public class SepiaFilterTransformation implements Transformation<Bitmap> {
+/**
+ * Applies a simple sepia effect.
+ *
+ * The intensity with a default of 1.0.
+ */
+public class SepiaFilterTransformation extends GPUFilterTransformation {
 
-    private Context mContext;
-    private BitmapPool mBitmapPool;
+  private float mIntensity;
 
-    private GPUImageSepiaFilter mFilter = new GPUImageSepiaFilter();
-    private float mIntensity;
+  public SepiaFilterTransformation(Context context) {
+    this(context, Glide.get(context).getBitmapPool());
+  }
 
-    public SepiaFilterTransformation(Context context, BitmapPool pool) {
-        mContext = context;
-        mBitmapPool = pool;
-    }
+  public SepiaFilterTransformation(Context context, BitmapPool pool) {
+    this(context, pool, 1.0f);
+  }
 
-    public SepiaFilterTransformation(Context context, BitmapPool pool, float intensity) {
-        mContext = context;
-        mBitmapPool = pool;
-        mIntensity = intensity;
-        mFilter.setIntensity(mIntensity);
-    }
+  public SepiaFilterTransformation(Context context, float intensity) {
+    this(context, Glide.get(context).getBitmapPool(), intensity);
+  }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
+  public SepiaFilterTransformation(Context context, BitmapPool pool, float intensity) {
+    super(context, pool, new GPUImageSepiaFilter());
+    mIntensity = intensity;
+    GPUImageSepiaFilter filter = getFilter();
+    filter.setIntensity(mIntensity);
+  }
 
-        GPUImage gpuImage = new GPUImage(mContext);
-        gpuImage.setImage(source);
-        gpuImage.setFilter(mFilter);
-        Bitmap bitmap = gpuImage.getBitmapWithFilterApplied();
-
-        source.recycle();
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
-    }
-
-    @Override
-    public String getId() {
-        return "SepiaFilterTransformation(intensity=" + mIntensity + ")";
-    }
+  @Override public String getId() {
+    return "SepiaFilterTransformation(intensity=" + mIntensity + ")";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/gpu/SketchFilterTransformation.java

@@ -16,43 +16,22 @@ package jp.wasabeef.glide.transformations.gpu;
  * limitations under the License.
  */
 
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.Resource;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-import com.bumptech.glide.load.resource.bitmap.BitmapResource;
-
 import android.content.Context;
-import android.graphics.Bitmap;
-
-import jp.co.cyberagent.android.gpuimage.GPUImage;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
 import jp.co.cyberagent.android.gpuimage.GPUImageSketchFilter;
 
-public class SketchFilterTransformation implements Transformation<Bitmap> {
+public class SketchFilterTransformation extends GPUFilterTransformation {
 
-    private Context mContext;
-    private BitmapPool mBitmapPool;
+  public SketchFilterTransformation(Context context) {
+    this(context, Glide.get(context).getBitmapPool());
+  }
 
-    public SketchFilterTransformation(Context context, BitmapPool pool) {
-        mContext = context;
-        mBitmapPool = pool;
-    }
+  public SketchFilterTransformation(Context context, BitmapPool pool) {
+    super(context, pool, new GPUImageSketchFilter());
+  }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
-
-        GPUImage gpuImage = new GPUImage(mContext);
-        gpuImage.setImage(source);
-        gpuImage.setFilter(new GPUImageSketchFilter());
-        Bitmap bitmap = gpuImage.getBitmapWithFilterApplied();
-
-        source.recycle();
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
-    }
-
-    @Override
-    public String getId() {
-        return "SketchFilterTransformation()";
-    }
+  @Override public String getId() {
+    return "SketchFilterTransformation()";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/gpu/SwirlFilterTransformation.java

@@ -16,68 +16,52 @@ package jp.wasabeef.glide.transformations.gpu;
  * limitations under the License.
  */
 
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.Resource;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-import com.bumptech.glide.load.resource.bitmap.BitmapResource;
-
 import android.content.Context;
-import android.graphics.Bitmap;
 import android.graphics.PointF;
-
-import jp.co.cyberagent.android.gpuimage.GPUImage;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
 import jp.co.cyberagent.android.gpuimage.GPUImageSwirlFilter;
 
-public class SwirlFilterTransformation implements Transformation<Bitmap> {
+/**
+ * Creates a swirl distortion on the image.
+ */
+public class SwirlFilterTransformation extends GPUFilterTransformation {
 
-    private Context mContext;
-    private BitmapPool mBitmapPool;
+  private float mRadius;
+  private float mAngle;
+  private PointF mCenter;
 
-    private GPUImageSwirlFilter mFilter = new GPUImageSwirlFilter();
-    private float mRadius;
-    private float mAngle;
-    private PointF mCenter;
+  public SwirlFilterTransformation(Context context) {
+    this(context, Glide.get(context).getBitmapPool());
+  }
 
-    public SwirlFilterTransformation(Context context, BitmapPool pool) {
-        mContext = context;
-        mBitmapPool = pool;
-        mCenter = new PointF();
-    }
+  public SwirlFilterTransformation(Context context, BitmapPool pool) {
+    this(context, pool, .5f, 1.0f, new PointF(0.5f, 0.5f));
+  }
 
-    /**
-     * @param radius from 0.0 to 1.0, default 0.5
-     * @param angle  minimum 0.0, default 1.0
-     * @param center default (0.5, 0.5)
-     */
-    public SwirlFilterTransformation(Context context, BitmapPool pool,
-            float radius, float angle, PointF center) {
-        mContext = context;
-        mBitmapPool = pool;
-        mRadius = radius;
-        mAngle = angle;
-        mCenter = center;
-        mFilter.setRadius(mRadius);
-        mFilter.setAngle(mAngle);
-        mFilter.setCenter(mCenter);
-    }
+  public SwirlFilterTransformation(Context context, float radius, float angle, PointF center) {
+    this(context, Glide.get(context).getBitmapPool(), radius, angle, center);
+  }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
+  /**
+   * @param radius from 0.0 to 1.0, default 0.5
+   * @param angle minimum 0.0, default 1.0
+   * @param center default (0.5, 0.5)
+   */
+  public SwirlFilterTransformation(Context context, BitmapPool pool, float radius, float angle,
+      PointF center) {
+    super(context, pool, new GPUImageSwirlFilter());
+    mRadius = radius;
+    mAngle = angle;
+    mCenter = center;
+    GPUImageSwirlFilter filter = getFilter();
+    filter.setRadius(mRadius);
+    filter.setAngle(mAngle);
+    filter.setCenter(mCenter);
+  }
 
-        GPUImage gpuImage = new GPUImage(mContext);
-        gpuImage.setImage(source);
-        gpuImage.setFilter(mFilter);
-        Bitmap bitmap = gpuImage.getBitmapWithFilterApplied();
-
-        source.recycle();
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
-    }
-
-    @Override
-    public String getId() {
-        return "SwirlFilterTransformation(radius=" + mRadius +
-                ",angle=" + mAngle + ",center=" + mCenter.toString() + ")";
-    }
+  @Override public String getId() {
+    return "SwirlFilterTransformation(radius=" + mRadius +
+        ",angle=" + mAngle + ",center=" + mCenter.toString() + ")";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/gpu/ToonFilterTransformation.java

@@ -16,58 +16,45 @@ package jp.wasabeef.glide.transformations.gpu;
  * limitations under the License.
  */
 
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.Resource;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-import com.bumptech.glide.load.resource.bitmap.BitmapResource;
-
 import android.content.Context;
-import android.graphics.Bitmap;
-
-import jp.co.cyberagent.android.gpuimage.GPUImage;
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
 import jp.co.cyberagent.android.gpuimage.GPUImageToonFilter;
 
-public class ToonFilterTransformation implements Transformation<Bitmap> {
+/**
+ * The threshold at which to apply the edges, default of 0.2.
+ * The levels of quantization for the posterization of colors within the scene,
+ * with a default of 10.0.
+ */
+public class ToonFilterTransformation extends GPUFilterTransformation {
 
-    private Context mContext;
-    private BitmapPool mBitmapPool;
+  private float mThreshold;
+  private float mQuantizationLevels;
 
-    private GPUImageToonFilter mFilter = new GPUImageToonFilter();
-    private float mThreshold;
-    private float mQuantizationLevels;
+  public ToonFilterTransformation(Context context) {
+    this(context, Glide.get(context).getBitmapPool());
+  }
 
-    public ToonFilterTransformation(Context context, BitmapPool pool) {
-        mContext = context;
-        mBitmapPool = pool;
-    }
+  public ToonFilterTransformation(Context context, BitmapPool pool) {
+    this(context, pool, .2f, 10.0f);
+  }
 
-    public ToonFilterTransformation(Context context, BitmapPool pool,
-            float threshold, float quantizationLevels) {
-        mContext = context;
-        mBitmapPool = pool;
-        mThreshold = threshold;
-        mQuantizationLevels = quantizationLevels;
-        mFilter.setThreshold(mThreshold);
-        mFilter.setQuantizationLevels(mQuantizationLevels);
-    }
+  public ToonFilterTransformation(Context context, float threshold, float quantizationLevels) {
+    this(context, Glide.get(context).getBitmapPool(), threshold, quantizationLevels);
+  }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
+  public ToonFilterTransformation(Context context, BitmapPool pool, float threshold,
+      float quantizationLevels) {
+    super(context, pool, new GPUImageToonFilter());
+    mThreshold = threshold;
+    mQuantizationLevels = quantizationLevels;
+    GPUImageToonFilter filter = getFilter();
+    filter.setThreshold(mThreshold);
+    filter.setQuantizationLevels(mQuantizationLevels);
+  }
 
-        GPUImage gpuImage = new GPUImage(mContext);
-        gpuImage.setImage(source);
-        gpuImage.setFilter(mFilter);
-        Bitmap bitmap = gpuImage.getBitmapWithFilterApplied();
-
-        source.recycle();
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
-    }
-
-    @Override
-    public String getId() {
-        return "ToonFilterTransformation(threshold=" + mThreshold +
-                ",quantizationLevels=" + mQuantizationLevels + ")";
-    }
+  @Override public String getId() {
+    return "ToonFilterTransformation(threshold=" + mThreshold +
+        ",quantizationLevels=" + mQuantizationLevels + ")";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/gpu/VignetteFilterTransformation.java

@@ -16,75 +16,55 @@ package jp.wasabeef.glide.transformations.gpu;
  * limitations under the License.
  */
 
-import com.bumptech.glide.load.Transformation;
-import com.bumptech.glide.load.engine.Resource;
-import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
-import com.bumptech.glide.load.resource.bitmap.BitmapResource;
-
 import android.content.Context;
-import android.graphics.Bitmap;
 import android.graphics.PointF;
-
+import com.bumptech.glide.Glide;
+import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
 import java.util.Arrays;
-
-import jp.co.cyberagent.android.gpuimage.GPUImage;
 import jp.co.cyberagent.android.gpuimage.GPUImageVignetteFilter;
 
 /**
  * Performs a vignetting effect, fading out the image at the edges
- * x:
- * y: The directional intensity of the vignetting, with a default of x = 0.75, y = 0.5
+ * The directional intensity of the vignetting,
+ * with a default of x = 0.5, y = 0.5, start = 0, end = 0.75
  */
-public class VignetteFilterTransformation implements Transformation<Bitmap> {
+public class VignetteFilterTransformation extends GPUFilterTransformation {
 
-    private Context mContext;
-    private BitmapPool mBitmapPool;
+  private PointF mCenter;
+  private float[] mVignetteColor;
+  private float mVignetteStart;
+  private float mVignetteEnd;
 
-    private GPUImageVignetteFilter mFilter = new GPUImageVignetteFilter();
-    private PointF mCenter;
-    private float[] mVignetteColor;
-    private float mVignetteStart;
-    private float mVignetteEnd;
+  public VignetteFilterTransformation(Context context) {
+    this(context, Glide.get(context).getBitmapPool());
+  }
 
+  public VignetteFilterTransformation(Context context, BitmapPool pool) {
+    this(context, pool, new PointF(0.5f, 0.5f), new float[] { 0.0f, 0.0f, 0.0f }, 0.0f, 0.75f);
+  }
 
-    public VignetteFilterTransformation(Context context, BitmapPool pool) {
-        mContext = context;
-        mBitmapPool = pool;
-        mCenter = new PointF();
-    }
+  public VignetteFilterTransformation(Context context, PointF center, float[] color, float start,
+      float end) {
+    this(context, Glide.get(context).getBitmapPool(), center, color, start, end);
+  }
 
-    public VignetteFilterTransformation(Context context, BitmapPool pool,
-            PointF center, float[] color, float start, float end) {
-        mContext = context;
-        mBitmapPool = pool;
-        mCenter = center;
-        mVignetteColor = color;
-        mVignetteStart = start;
-        mVignetteEnd = end;
-        mFilter.setVignetteCenter(mCenter);
-        mFilter.setVignetteColor(mVignetteColor);
-        mFilter.setVignetteStart(mVignetteStart);
-        mFilter.setVignetteEnd(mVignetteEnd);
-    }
+  public VignetteFilterTransformation(Context context, BitmapPool pool, PointF center,
+      float[] color, float start, float end) {
+    super(context, pool, new GPUImageVignetteFilter());
+    mCenter = center;
+    mVignetteColor = color;
+    mVignetteStart = start;
+    mVignetteEnd = end;
+    GPUImageVignetteFilter filter = getFilter();
+    filter.setVignetteCenter(mCenter);
+    filter.setVignetteColor(mVignetteColor);
+    filter.setVignetteStart(mVignetteStart);
+    filter.setVignetteEnd(mVignetteEnd);
+  }
 
-    @Override
-    public Resource<Bitmap> transform(Resource<Bitmap> resource, int outWidth, int outHeight) {
-        Bitmap source = resource.get();
-
-        GPUImage gpuImage = new GPUImage(mContext);
-        gpuImage.setImage(source);
-        gpuImage.setFilter(mFilter);
-        Bitmap bitmap = gpuImage.getBitmapWithFilterApplied();
-
-        source.recycle();
-
-        return BitmapResource.obtain(bitmap, mBitmapPool);
-    }
-
-    @Override
-    public String getId() {
-        return "VignetteFilterTransformation(center=" + mCenter.toString() +
-                ",color=" + Arrays.toString(mVignetteColor) +
-                ",start=" + mVignetteStart + ",end=" + mVignetteEnd + ")";
-    }
+  @Override public String getId() {
+    return "VignetteFilterTransformation(center=" + mCenter.toString() +
+        ",color=" + Arrays.toString(mVignetteColor) +
+        ",start=" + mVignetteStart + ",end=" + mVignetteEnd + ")";
+  }
 }

transformations/src/main/java/jp/wasabeef/glide/transformations/internal/FastBlur.java

@@ -0,0 +1,257 @@
+package jp.wasabeef.glide.transformations.internal;
+
+import android.graphics.Bitmap;
+
+/**
+ * Copyright (C) 2015 Wasabeef
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+public class FastBlur {
+
+  public static Bitmap blur(Bitmap sentBitmap, int radius, boolean canReuseInBitmap) {
+
+    // Stack Blur v1.0 from
+    // http://www.quasimondo.com/StackBlurForCanvas/StackBlurDemo.html
+    //
+    // Java Author: Mario Klingemann <mario at quasimondo.com>
+    // http://incubator.quasimondo.com
+    // created Feburary 29, 2004
+    // Android port : Yahel Bouaziz <yahel at kayenko.com>
+    // http://www.kayenko.com
+    // ported april 5th, 2012
+
+    // This is a compromise between Gaussian Blur and Box blur
+    // It creates much better looking blurs than Box Blur, but is
+    // 7x faster than my Gaussian Blur implementation.
+    //
+    // I called it Stack Blur because this describes best how this
+    // filter works internally: it creates a kind of moving stack
+    // of colors whilst scanning through the image. Thereby it
+    // just has to add one new block of color to the right side
+    // of the stack and remove the leftmost color. The remaining
+    // colors on the topmost layer of the stack are either added on
+    // or reduced by one, depending on if they are on the right or
+    // on the left side of the stack.
+    //
+    // If you are using this algorithm in your code please add
+    // the following line:
+    //
+    // Stack Blur Algorithm by Mario Klingemann <mario@quasimondo.com>
+
+    Bitmap bitmap;
+    if (canReuseInBitmap) {
+      bitmap = sentBitmap;
+    } else {
+      bitmap = sentBitmap.copy(sentBitmap.getConfig(), true);
+    }
+
+    if (radius < 1) {
+      return (null);
+    }
+
+    int w = bitmap.getWidth();
+    int h = bitmap.getHeight();
+
+    int[] pix = new int[w * h];
+    bitmap.getPixels(pix, 0, w, 0, 0, w, h);
+
+    int wm = w - 1;
+    int hm = h - 1;
+    int wh = w * h;
+    int div = radius + radius + 1;
+
+    int r[] = new int[wh];
+    int g[] = new int[wh];
+    int b[] = new int[wh];
+    int rsum, gsum, bsum, x, y, i, p, yp, yi, yw;
+    int vmin[] = new int[Math.max(w, h)];
+
+    int divsum = (div + 1) >> 1;
+    divsum *= divsum;
+    int dv[] = new int[256 * divsum];
+    for (i = 0; i < 256 * divsum; i++) {
+      dv[i] = (i / divsum);
+    }
+
+    yw = yi = 0;
+
+    int[][] stack = new int[div][3];
+    int stackpointer;
+    int stackstart;
+    int[] sir;
+    int rbs;
+    int r1 = radius + 1;
+    int routsum, goutsum, boutsum;
+    int rinsum, ginsum, binsum;
+
+    for (y = 0; y < h; y++) {
+      rinsum = ginsum = binsum = routsum = goutsum = boutsum = rsum = gsum = bsum = 0;
+      for (i = -radius; i <= radius; i++) {
+        p = pix[yi + Math.min(wm, Math.max(i, 0))];
+        sir = stack[i + radius];
+        sir[0] = (p & 0xff0000) >> 16;
+        sir[1] = (p & 0x00ff00) >> 8;
+        sir[2] = (p & 0x0000ff);
+        rbs = r1 - Math.abs(i);
+        rsum += sir[0] * rbs;
+        gsum += sir[1] * rbs;
+        bsum += sir[2] * rbs;
+        if (i > 0) {
+          rinsum += sir[0];
+          ginsum += sir[1];
+          binsum += sir[2];
+        } else {
+          routsum += sir[0];
+          goutsum += sir[1];
+          boutsum += sir[2];
+        }
+      }
+      stackpointer = radius;
+
+      for (x = 0; x < w; x++) {
+
+        r[yi] = dv[rsum];
+        g[yi] = dv[gsum];
+        b[yi] = dv[bsum];
+
+        rsum -= routsum;
+        gsum -= goutsum;
+        bsum -= boutsum;
+
+        stackstart = stackpointer - radius + div;
+        sir = stack[stackstart % div];
+
+        routsum -= sir[0];
+        goutsum -= sir[1];
+        boutsum -= sir[2];
+
+        if (y == 0) {
+          vmin[x] = Math.min(x + radius + 1, wm);
+        }
+        p = pix[yw + vmin[x]];
+
+        sir[0] = (p & 0xff0000) >> 16;
+        sir[1] = (p & 0x00ff00) >> 8;
+        sir[2] = (p & 0x0000ff);
+
+        rinsum += sir[0];
+        ginsum += sir[1];
+        binsum += sir[2];
+
+        rsum += rinsum;
+        gsum += ginsum;
+        bsum += binsum;
+
+        stackpointer = (stackpointer + 1) % div;
+        sir = stack[(stackpointer) % div];
+
+        routsum += sir[0];
+        goutsum += sir[1];
+        boutsum += sir[2];
+
+        rinsum -= sir[0];
+        ginsum -= sir[1];
+        binsum -= sir[2];
+
+        yi++;
+      }
+      yw += w;
+    }
+    for (x = 0; x < w; x++) {
+      rinsum = ginsum = binsum = routsum = goutsum = boutsum = rsum = gsum = bsum = 0;
+      yp = -radius * w;
+      for (i = -radius; i <= radius; i++) {
+        yi = Math.max(0, yp) + x;
+
+        sir = stack[i + radius];
+
+        sir[0] = r[yi];
+        sir[1] = g[yi];
+        sir[2] = b[yi];
+
+        rbs = r1 - Math.abs(i);
+
+        rsum += r[yi] * rbs;
+        gsum += g[yi] * rbs;
+        bsum += b[yi] * rbs;
+
+        if (i > 0) {
+          rinsum += sir[0];
+          ginsum += sir[1];
+          binsum += sir[2];
+        } else {
+          routsum += sir[0];
+          goutsum += sir[1];
+          boutsum += sir[2];
+        }
+
+        if (i < hm) {
+          yp += w;
+        }
+      }
+      yi = x;
+      stackpointer = radius;
+      for (y = 0; y < h; y++) {
+        // Preserve alpha channel: ( 0xff000000 & pix[yi] )
+        pix[yi] = (0xff000000 & pix[yi]) | (dv[rsum] << 16) | (dv[gsum] << 8) | dv[bsum];
+
+        rsum -= routsum;
+        gsum -= goutsum;
+        bsum -= boutsum;
+
+        stackstart = stackpointer - radius + div;
+        sir = stack[stackstart % div];
+
+        routsum -= sir[0];
+        goutsum -= sir[1];
+        boutsum -= sir[2];
+
+        if (x == 0) {
+          vmin[y] = Math.min(y + r1, hm) * w;
+        }
+        p = x + vmin[y];
+
+        sir[0] = r[p];
+        sir[1] = g[p];
+        sir[2] = b[p];
+
+        rinsum += sir[0];
+        ginsum += sir[1];
+        binsum += sir[2];
+
+        rsum += rinsum;
+        gsum += ginsum;
+        bsum += binsum;
+
+        stackpointer = (stackpointer + 1) % div;
+        sir = stack[stackpointer];
+
+        routsum += sir[0];
+        goutsum += sir[1];
+        boutsum += sir[2];
+
+        rinsum -= sir[0];
+        ginsum -= sir[1];
+        binsum -= sir[2];
+
+        yi += w;
+      }
+    }
+
+    bitmap.setPixels(pix, 0, w, 0, 0, w, h);
+
+    return (bitmap);
+  }
+}

transformations/src/main/java/jp/wasabeef/glide/transformations/internal/RSBlur.java

@@ -0,0 +1,55 @@
+package jp.wasabeef.glide.transformations.internal;
+
+import android.annotation.TargetApi;
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.os.Build;
+import android.renderscript.Allocation;
+import android.renderscript.Element;
+import android.renderscript.RSRuntimeException;
+import android.renderscript.RenderScript;
+import android.renderscript.ScriptIntrinsicBlur;
+
+/**
+ * Copyright (C) 2015 Wasabeef
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+public class RSBlur {
+
+  @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR2)
+  public static Bitmap blur(Context context, Bitmap bitmap, int radius) throws RSRuntimeException {
+    RenderScript rs = null;
+    try {
+      rs = RenderScript.create(context);
+      rs.setMessageHandler(new RenderScript.RSMessageHandler());
+      Allocation input =
+          Allocation.createFromBitmap(rs, bitmap, Allocation.MipmapControl.MIPMAP_NONE,
+              Allocation.USAGE_SCRIPT);
+      Allocation output = Allocation.createTyped(rs, input.getType());
+      ScriptIntrinsicBlur blur = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
+
+      blur.setInput(input);
+      blur.setRadius(radius);
+      blur.forEach(output);
+      output.copyTo(bitmap);
+    } finally {
+      if (rs != null) {
+        rs.destroy();
+      }
+    }
+
+    return bitmap;
+  }
+}

transformations/src/main/java/jp/wasabeef/glide/transformations/internal/Utils.java

@@ -0,0 +1,43 @@
+package jp.wasabeef.glide.transformations.internal;
+
+import android.content.Context;
+import android.graphics.drawable.Drawable;
+import android.os.Build;
+
+/**
+ * Copyright (C) 2015 Wasabeef
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+public final class Utils {
+
+  private Utils() {
+    // Utility class.
+  }
+
+  public static Drawable getMaskDrawable(Context context, int maskId) {
+    Drawable drawable;
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+      drawable = context.getDrawable(maskId);
+    } else {
+      drawable = context.getResources().getDrawable(maskId);
+    }
+
+    if (drawable == null) {
+      throw new IllegalArgumentException("maskId is invalid");
+    }
+
+    return drawable;
+  }
+}