Modifications for simple edit

Change-Id: Ic200a4f1e843deb119d68f627d5b8adb201f0f7f

13 files changed, 120 insertions, 76 deletions

diff --git a/src/com/android/gallery3d/filtershow/cache/CachingPipeline.java b/src/com/android/gallery3d/filtershow/cache/CachingPipeline.java
index 5603a2795..1ea40f202 100644
--- a/src/com/android/gallery3d/filtershow/cache/CachingPipeline.java
+++ b/src/com/android/gallery3d/filtershow/cache/CachingPipeline.java
@@ -29,8 +29,9 @@ import com.android.gallery3d.filtershow.imageshow.GeometryMetadata;
 import com.android.gallery3d.filtershow.imageshow.MasterImage;
 import com.android.gallery3d.filtershow.presets.FilterEnvironment;
 import com.android.gallery3d.filtershow.presets.ImagePreset;
+import com.android.gallery3d.filtershow.presets.PipelineInterface;
 
-public class CachingPipeline {
+public class CachingPipeline implements PipelineInterface {
     private static final String LOGTAG = "CachingPipeline";
     private boolean DEBUG = false;
 
@@ -65,22 +66,10 @@ public class CachingPipeline {
         mName = name;
     }
 
-    public static synchronized Resources getResources() {
-        return sResources;
-    }
-
-    public static synchronized void setResources(Resources resources) {
-        sResources = resources;
-    }
-
     public static synchronized RenderScript getRenderScriptContext() {
         return sRS;
     }
 
-    public static synchronized void setRenderScriptContext(RenderScript RS) {
-        sRS = RS;
-    }
-
     public static synchronized void createRenderscriptContext(Activity context) {
         if (sRS != null) {
             Log.w(LOGTAG, "A prior RS context exists when calling setRenderScriptContext");
@@ -128,6 +117,10 @@ public class CachingPipeline {
         }
     }
 
+    public Resources getResources() {
+        return sRS.getApplicationContext().getResources();
+    }
+
     private synchronized void destroyPixelAllocations() {
         if (DEBUG) {
             Log.v(LOGTAG, "destroyPixelAllocations in " + getName());
@@ -167,14 +160,14 @@ public class CachingPipeline {
     }
 
     private void setupEnvironment(ImagePreset preset, boolean highResPreview) {
-        mEnvironment.setCachingPipeline(this);
+        mEnvironment.setPipeline(this);
         mEnvironment.setFiltersManager(mFiltersManager);
         if (highResPreview) {
             mEnvironment.setScaleFactor(mHighResPreviewScaleFactor);
         } else {
             mEnvironment.setScaleFactor(mPreviewScaleFactor);
         }
-        mEnvironment.setQuality(ImagePreset.QUALITY_PREVIEW);
+        mEnvironment.setQuality(FilterEnvironment.QUALITY_PREVIEW);
         mEnvironment.setImagePreset(preset);
         mEnvironment.setStop(false);
     }
@@ -293,11 +286,11 @@ public class CachingPipeline {
                     || request.getType() == RenderingRequest.STYLE_ICON_RENDERING) {
 
                 if (request.getType() == RenderingRequest.ICON_RENDERING) {
-                    mEnvironment.setQuality(ImagePreset.QUALITY_ICON);
+                    mEnvironment.setQuality(FilterEnvironment.QUALITY_ICON);
                 } else  if (request.getType() == RenderingRequest.STYLE_ICON_RENDERING) {
                     mEnvironment.setQuality(ImagePreset.STYLE_ICON);
                 } else {
-                    mEnvironment.setQuality(ImagePreset.QUALITY_PREVIEW);
+                    mEnvironment.setQuality(FilterEnvironment.QUALITY_PREVIEW);
                 }
 
                 Bitmap bmp = preset.apply(bitmap, mEnvironment);
@@ -331,7 +324,7 @@ public class CachingPipeline {
                 return bitmap;
             }
             setupEnvironment(preset, false);
-            mEnvironment.setQuality(ImagePreset.QUALITY_FINAL);
+            mEnvironment.setQuality(FilterEnvironment.QUALITY_FINAL);
             mEnvironment.setScaleFactor(1.0f);
             mFiltersManager.freeFilterResources(preset);
             bitmap = preset.applyGeometry(bitmap, mEnvironment);
@@ -348,7 +341,7 @@ public class CachingPipeline {
         }
         mGeometry.useRepresentation(preset.getGeometry());
         return mGeometry.apply(bitmap, mPreviewScaleFactor,
-                ImagePreset.QUALITY_PREVIEW);
+                FilterEnvironment.QUALITY_PREVIEW);
     }
 
     public synchronized void compute(TripleBufferBitmap buffer, ImagePreset preset, int type) {
@@ -461,4 +454,7 @@ public class CachingPipeline {
         return mName;
     }
 
+    public RenderScript getRSContext() {
+        return CachingPipeline.getRenderScriptContext();
+    }
 }
diff --git a/src/com/android/gallery3d/filtershow/filters/BaseFiltersManager.java b/src/com/android/gallery3d/filtershow/filters/BaseFiltersManager.java
index fc2cb1340..1c7294c3a 100644
--- a/src/com/android/gallery3d/filtershow/filters/BaseFiltersManager.java
+++ b/src/com/android/gallery3d/filtershow/filters/BaseFiltersManager.java
@@ -26,7 +26,7 @@ import com.android.gallery3d.filtershow.presets.ImagePreset;
 import java.util.HashMap;
 import java.util.Vector;
 
-public abstract class BaseFiltersManager {
+public abstract class BaseFiltersManager implements FiltersManagerInterface {
     protected HashMap<Class, ImageFilter> mFilters = null;
     protected HashMap<String, FilterRepresentation> mRepresentationLookup = null;
     private static final String LOGTAG = "BaseFiltersManager";
diff --git a/src/com/android/gallery3d/filtershow/filters/FilterRepresentation.java b/src/com/android/gallery3d/filtershow/filters/FilterRepresentation.java
index 66edf3169..37d66f829 100644
--- a/src/com/android/gallery3d/filtershow/filters/FilterRepresentation.java
+++ b/src/com/android/gallery3d/filtershow/filters/FilterRepresentation.java
@@ -16,7 +16,7 @@
 
 package com.android.gallery3d.filtershow.filters;
 
-import com.android.gallery3d.app.Log;
+import android.util.Log;
 import com.android.gallery3d.filtershow.editors.BasicEditor;
 
 public class FilterRepresentation implements Cloneable {
diff --git a/src/com/android/gallery3d/filtershow/filters/FiltersManagerInterface.java b/src/com/android/gallery3d/filtershow/filters/FiltersManagerInterface.java
new file mode 100644
index 000000000..710128f99
--- /dev/null
+++ b/src/com/android/gallery3d/filtershow/filters/FiltersManagerInterface.java
@@ -0,0 +1,21 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.android.gallery3d.filtershow.filters;
+
+public interface FiltersManagerInterface {
+   ImageFilter getFilterForRepresentation(FilterRepresentation representation);
+}
diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilter.java b/src/com/android/gallery3d/filtershow/filters/ImageFilter.java
index 96ab84f9d..b80fc7f15 100644
--- a/src/com/android/gallery3d/filtershow/filters/ImageFilter.java
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilter.java
@@ -16,12 +16,12 @@
 
 package com.android.gallery3d.filtershow.filters;
 
+import android.app.Activity;
 import android.graphics.Bitmap;
 import android.graphics.Matrix;
 import android.support.v8.renderscript.Allocation;
 import android.widget.Toast;
 
-import com.android.gallery3d.filtershow.FilterShowActivity;
 import com.android.gallery3d.filtershow.imageshow.GeometryMetadata;
 import com.android.gallery3d.filtershow.presets.FilterEnvironment;
 import com.android.gallery3d.filtershow.presets.ImagePreset;
@@ -35,9 +35,9 @@ public abstract class ImageFilter implements Cloneable {
     // TODO: Temporary, for dogfood note memory issues with toasts for better
     // feedback. Remove this when filters actually work in low memory
     // situations.
-    private static FilterShowActivity sActivity = null;
+    private static Activity sActivity = null;
 
-    public static void setActivityForMemoryToasts(FilterShowActivity activity) {
+    public static void setActivityForMemoryToasts(Activity activity) {
         sActivity = activity;
     }
 
@@ -76,10 +76,6 @@ public abstract class ImageFilter implements Cloneable {
         return bitmap;
     }
 
-    public ImagePreset getImagePreset() {
-        return getEnvironment().getImagePreset();
-    }
-
     public abstract void useRepresentation(FilterRepresentation representation);
 
     native protected void nativeApplyGradientFilter(Bitmap bitmap, int w, int h,
@@ -90,10 +86,11 @@ public abstract class ImageFilter implements Cloneable {
     }
 
     protected Matrix getOriginalToScreenMatrix(int w, int h) {
-        GeometryMetadata geo = getImagePreset().mGeoData;
+        ImagePreset preset = getEnvironment().getImagePreset();
+        GeometryMetadata geo = getEnvironment().getImagePreset().mGeoData;
         Matrix originalToScreen = geo.getOriginalToScreen(true,
-                getImagePreset().getImageLoader().getOriginalBounds().width(),
-                getImagePreset().getImageLoader().getOriginalBounds().height(),
+                preset.getImageLoader().getOriginalBounds().width(),
+                preset.getImageLoader().getOriginalBounds().height(),
                 w, h);
         return originalToScreen;
     }
diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterDraw.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterDraw.java
index 1fd9071f7..812ab02f0 100644
--- a/src/com/android/gallery3d/filtershow/filters/ImageFilterDraw.java
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterDraw.java
@@ -31,6 +31,7 @@ import android.graphics.PorterDuffColorFilter;
 import com.android.gallery3d.R;
 import com.android.gallery3d.filtershow.filters.FilterDrawRepresentation.StrokeData;
 import com.android.gallery3d.filtershow.imageshow.MasterImage;
+import com.android.gallery3d.filtershow.presets.FilterEnvironment;
 import com.android.gallery3d.filtershow.presets.ImagePreset;
 
 import java.util.Vector;
@@ -204,7 +205,7 @@ public class ImageFilterDraw extends ImageFilter {
 
     public void drawData(Canvas canvas, Matrix originalRotateToScreen, int quality) {
         Paint paint = new Paint();
-        if (quality == ImagePreset.QUALITY_FINAL) {
+        if (quality == FilterEnvironment.QUALITY_FINAL) {
             paint.setAntiAlias(true);
         }
         paint.setStyle(Style.STROKE);
@@ -214,7 +215,7 @@ public class ImageFilterDraw extends ImageFilter {
         if (mParameters.getDrawing().isEmpty() && mParameters.getCurrentDrawing() == null) {
             return;
         }
-        if (quality == ImagePreset.QUALITY_FINAL) {
+        if (quality == FilterEnvironment.QUALITY_FINAL) {
             for (FilterDrawRepresentation.StrokeData strokeData : mParameters.getDrawing()) {
                 paint(strokeData, canvas, originalRotateToScreen, quality);
             }
@@ -248,17 +249,17 @@ public class ImageFilterDraw extends ImageFilter {
         int n = v.size();
 
         for (int i = mCachedStrokes; i < n; i++) {
-            paint(v.get(i), drawCache, originalRotateToScreen, ImagePreset.QUALITY_PREVIEW);
+            paint(v.get(i), drawCache, originalRotateToScreen, FilterEnvironment.QUALITY_PREVIEW);
         }
         mCachedStrokes = n;
     }
 
     public void draw(Canvas canvas, Matrix originalRotateToScreen) {
         for (FilterDrawRepresentation.StrokeData strokeData : mParameters.getDrawing()) {
-            paint(strokeData, canvas, originalRotateToScreen, ImagePreset.QUALITY_PREVIEW);
+            paint(strokeData, canvas, originalRotateToScreen, FilterEnvironment.QUALITY_PREVIEW);
         }
         mDrawingsTypes[mCurrentStyle].paint(
-                null, canvas, originalRotateToScreen, ImagePreset.QUALITY_PREVIEW);
+                null, canvas, originalRotateToScreen, FilterEnvironment.QUALITY_PREVIEW);
     }
 
     @Override
diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterRS.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterRS.java
index be494574a..806f30435 100644
--- a/src/com/android/gallery3d/filtershow/filters/ImageFilterRS.java
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterRS.java
@@ -22,7 +22,7 @@ import android.support.v8.renderscript.*;
 import android.util.Log;
 import android.content.res.Resources;
 import com.android.gallery3d.R;
-import com.android.gallery3d.filtershow.cache.CachingPipeline;
+import com.android.gallery3d.filtershow.presets.PipelineInterface;
 
 public abstract class ImageFilterRS extends ImageFilter {
     private static final String LOGTAG = "ImageFilterRS";
@@ -52,16 +52,17 @@ public abstract class ImageFilterRS extends ImageFilter {
     }
 
     protected RenderScript getRenderScriptContext() {
-        return CachingPipeline.getRenderScriptContext();
+        PipelineInterface pipeline = getEnvironment().getPipeline();
+        return pipeline.getRSContext();
     }
 
     protected Allocation getInPixelsAllocation() {
-        CachingPipeline pipeline = getEnvironment().getCachingPipeline();
+        PipelineInterface pipeline = getEnvironment().getPipeline();
         return pipeline.getInPixelsAllocation();
     }
 
     protected Allocation getOutPixelsAllocation() {
-        CachingPipeline pipeline = getEnvironment().getCachingPipeline();
+        PipelineInterface pipeline = getEnvironment().getPipeline();
         return pipeline.getOutPixelsAllocation();
     }
 
@@ -80,7 +81,7 @@ public abstract class ImageFilterRS extends ImageFilter {
         long startFilter = 0;
         long endFilter = 0;
         if (!mResourcesLoaded) {
-            CachingPipeline pipeline = getEnvironment().getCachingPipeline();
+            PipelineInterface pipeline = getEnvironment().getPipeline();
             createFilter(pipeline.getResources(), getEnvironment().getScaleFactor(),
                     getEnvironment().getQuality(), in);
             mResourcesLoaded = true;
@@ -112,7 +113,7 @@ public abstract class ImageFilterRS extends ImageFilter {
             return bitmap;
         }
         try {
-            CachingPipeline pipeline = getEnvironment().getCachingPipeline();
+            PipelineInterface pipeline = getEnvironment().getPipeline();
             if (DEBUG) {
                 Log.v(LOGTAG, "apply filter " + getName() + " in pipeline " + pipeline.getName());
             }
@@ -147,18 +148,16 @@ public abstract class ImageFilterRS extends ImageFilter {
             displayLowMemoryToast();
             Log.e(LOGTAG, "not enough memory for filter " + getName(), e);
         }
-
         return bitmap;
     }
 
-    protected static Allocation convertBitmap(Bitmap bitmap) {
-        return Allocation.createFromBitmap(CachingPipeline.getRenderScriptContext(), bitmap,
+    protected static Allocation convertBitmap(RenderScript RS, Bitmap bitmap) {
+        return Allocation.createFromBitmap(RS, bitmap,
                 Allocation.MipmapControl.MIPMAP_NONE,
                 Allocation.USAGE_SCRIPT | Allocation.USAGE_GRAPHICS_TEXTURE);
     }
 
-    private static Allocation convertRGBAtoA(Bitmap bitmap) {
-        RenderScript RS = CachingPipeline.getRenderScriptContext();
+    private static Allocation convertRGBAtoA(RenderScript RS, Bitmap bitmap) {
         if (RS != mRScache || mGreyConvert == null) {
             mGreyConvert = new ScriptC_grey(RS, RS.getApplicationContext().getResources(),
                                             R.raw.grey);
@@ -167,7 +166,7 @@ public abstract class ImageFilterRS extends ImageFilter {
 
         Type.Builder tb_a8 = new Type.Builder(RS, Element.A_8(RS));
 
-        Allocation bitmapTemp = convertBitmap(bitmap);
+        Allocation bitmapTemp = convertBitmap(RS, bitmap);
         if (bitmapTemp.getType().getElement().isCompatible(Element.A_8(RS))) {
             return bitmapTemp;
         }
@@ -183,20 +182,20 @@ public abstract class ImageFilterRS extends ImageFilter {
     }
 
     public Allocation loadScaledResourceAlpha(int resource, int inSampleSize) {
-        Resources res = CachingPipeline.getResources();
+        Resources res = getEnvironment().getPipeline().getResources();
         final BitmapFactory.Options options = new BitmapFactory.Options();
         options.inPreferredConfig = Bitmap.Config.ALPHA_8;
         options.inSampleSize      = inSampleSize;
         Bitmap bitmap = BitmapFactory.decodeResource(
                 res,
                 resource, options);
-        Allocation ret = convertRGBAtoA(bitmap);
+        Allocation ret = convertRGBAtoA(getRenderScriptContext(), bitmap);
         bitmap.recycle();
         return ret;
     }
 
     public Allocation loadScaledResourceAlpha(int resource, int w, int h, int inSampleSize) {
-        Resources res = CachingPipeline.getResources();
+        Resources res = getEnvironment().getPipeline().getResources();
         final BitmapFactory.Options options = new BitmapFactory.Options();
         options.inPreferredConfig = Bitmap.Config.ALPHA_8;
         options.inSampleSize      = inSampleSize;
@@ -204,7 +203,7 @@ public abstract class ImageFilterRS extends ImageFilter {
                 res,
                 resource, options);
         Bitmap resizeBitmap = Bitmap.createScaledBitmap(bitmap, w, h, true);
-        Allocation ret = convertRGBAtoA(resizeBitmap);
+        Allocation ret = convertRGBAtoA(getRenderScriptContext(), resizeBitmap);
         resizeBitmap.recycle();
         bitmap.recycle();
         return ret;
@@ -215,13 +214,13 @@ public abstract class ImageFilterRS extends ImageFilter {
     }
 
     public Allocation loadResource(int resource) {
-        Resources res = CachingPipeline.getResources();
+        Resources res = getEnvironment().getPipeline().getResources();
         final BitmapFactory.Options options = new BitmapFactory.Options();
         options.inPreferredConfig = Bitmap.Config.ARGB_8888;
         Bitmap bitmap = BitmapFactory.decodeResource(
                 res,
                 resource, options);
-        Allocation ret = convertBitmap(bitmap);
+        Allocation ret = convertBitmap(getRenderScriptContext(), bitmap);
         bitmap.recycle();
         return ret;
     }
@@ -242,7 +241,7 @@ public abstract class ImageFilterRS extends ImageFilter {
     /**
      * RS Script objects (and all other RS objects) should be cleared here
      */
-    abstract protected void resetScripts();
+    public abstract void resetScripts();
 
     /**
      * Scripts values should be bound here
diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterSharpen.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterSharpen.java
index 057c980f9..1dc2c0516 100644
--- a/src/com/android/gallery3d/filtershow/filters/ImageFilterSharpen.java
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterSharpen.java
@@ -53,7 +53,7 @@ public class ImageFilterSharpen extends ImageFilterRS {
     }
 
     @Override
-    protected void resetScripts() {
+    public void resetScripts() {
         if (mScript != null) {
             mScript.destroy();
             mScript = null;
diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterTinyPlanet.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterTinyPlanet.java
index 37d5739a0..f265c4dcc 100644
--- a/src/com/android/gallery3d/filtershow/filters/ImageFilterTinyPlanet.java
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterTinyPlanet.java
@@ -76,7 +76,7 @@ public class ImageFilterTinyPlanet extends SimpleImageFilter {
         int w = bitmapIn.getWidth();
         int h = bitmapIn.getHeight();
         int outputSize = (int) (w / 2f);
-        ImagePreset preset = getImagePreset();
+        ImagePreset preset = getEnvironment().getImagePreset();
         Bitmap mBitmapOut = null;
         if (preset != null) {
             XMPMeta xmp = preset.getImageLoader().getXmpObject();
diff --git a/src/com/android/gallery3d/filtershow/filters/ImageFilterVignette.java b/src/com/android/gallery3d/filtershow/filters/ImageFilterVignette.java
index e06f54493..cfe135033 100644
--- a/src/com/android/gallery3d/filtershow/filters/ImageFilterVignette.java
+++ b/src/com/android/gallery3d/filtershow/filters/ImageFilterVignette.java
@@ -22,7 +22,7 @@ import android.graphics.Canvas;
 import android.graphics.Matrix;
 import android.graphics.Rect;
 import com.android.gallery3d.R;
-import com.android.gallery3d.filtershow.presets.ImagePreset;
+import com.android.gallery3d.filtershow.presets.FilterEnvironment;
 
 public class ImageFilterVignette extends SimpleImageFilter {
     private static final String LOGTAG = "ImageFilterVignette";
@@ -57,9 +57,9 @@ public class ImageFilterVignette extends SimpleImageFilter {
 
     @Override
     public Bitmap apply(Bitmap bitmap, float scaleFactor, int quality) {
-        if (SIMPLE_ICONS && ImagePreset.QUALITY_ICON == quality) {
+        if (SIMPLE_ICONS && FilterEnvironment.QUALITY_ICON == quality) {
             if (mOverlayBitmap == null) {
-                Resources res = getEnvironment().getCachingPipeline().getResources();
+                Resources res = getEnvironment().getPipeline().getResources();
                 mOverlayBitmap = IconUtilities.getFXBitmap(res,
                         R.drawable.filtershow_icon_vignette);
             }
diff --git a/src/com/android/gallery3d/filtershow/presets/FilterEnvironment.java b/src/com/android/gallery3d/filtershow/presets/FilterEnvironment.java
index c454c1ab6..47f8dfccb 100644
--- a/src/com/android/gallery3d/filtershow/presets/FilterEnvironment.java
+++ b/src/com/android/gallery3d/filtershow/presets/FilterEnvironment.java
@@ -18,11 +18,9 @@ package com.android.gallery3d.filtershow.presets;
 
 import android.graphics.Bitmap;
 import android.support.v8.renderscript.Allocation;
-import android.util.Log;
 
-import com.android.gallery3d.filtershow.cache.CachingPipeline;
 import com.android.gallery3d.filtershow.filters.FilterRepresentation;
-import com.android.gallery3d.filtershow.filters.FiltersManager;
+import com.android.gallery3d.filtershow.filters.FiltersManagerInterface;
 import com.android.gallery3d.filtershow.filters.ImageFilter;
 
 import java.lang.ref.WeakReference;
@@ -33,10 +31,14 @@ public class FilterEnvironment {
     private ImagePreset mImagePreset;
     private float mScaleFactor;
     private int mQuality;
-    private FiltersManager mFiltersManager;
-    private CachingPipeline mCachingPipeline;
+    private FiltersManagerInterface mFiltersManager;
+    private PipelineInterface mPipeline;
     private volatile boolean mStop = false;
 
+    public static final int QUALITY_ICON = 0;
+    public static final int QUALITY_PREVIEW = 1;
+    public static final int QUALITY_FINAL = 2;
+
     public synchronized boolean needsStop() {
         return mStop;
     }
@@ -98,11 +100,11 @@ public class FilterEnvironment {
         return mQuality;
     }
 
-    public void setFiltersManager(FiltersManager filtersManager) {
+    public void setFiltersManager(FiltersManagerInterface filtersManager) {
         mFiltersManager = filtersManager;
     }
 
-    public FiltersManager getFiltersManager() {
+    public FiltersManagerInterface getFiltersManager() {
         return mFiltersManager;
     }
 
@@ -126,12 +128,12 @@ public class FilterEnvironment {
         return ret;
     }
 
-    public CachingPipeline getCachingPipeline() {
-        return mCachingPipeline;
+    public PipelineInterface getPipeline() {
+        return mPipeline;
     }
 
-    public void setCachingPipeline(CachingPipeline cachingPipeline) {
-        mCachingPipeline = cachingPipeline;
+    public void setPipeline(PipelineInterface cachingPipeline) {
+        mPipeline = cachingPipeline;
     }
 
 }
diff --git a/src/com/android/gallery3d/filtershow/presets/ImagePreset.java b/src/com/android/gallery3d/filtershow/presets/ImagePreset.java
index 1b7a425e7..b594d9a02 100644
--- a/src/com/android/gallery3d/filtershow/presets/ImagePreset.java
+++ b/src/com/android/gallery3d/filtershow/presets/ImagePreset.java
@@ -50,9 +50,6 @@ public class ImagePreset {
     private static final String LOGTAG = "ImagePreset";
 
     private FilterRepresentation mBorder = null;
-    public static final int QUALITY_ICON = 0;
-    public static final int QUALITY_PREVIEW = 1;
-    public static final int QUALITY_FINAL = 2;
     public static final int STYLE_ICON = 3;
     public static final String PRESET_NAME = "PresetName";
 
@@ -472,7 +469,7 @@ public class ImagePreset {
         if (mBorder != null && mDoApplyGeometry) {
             mBorder.synchronizeRepresentation();
             bitmap = environment.applyRepresentation(mBorder, bitmap);
-            if (environment.getQuality() == QUALITY_FINAL) {
+            if (environment.getQuality() == FilterEnvironment.QUALITY_FINAL) {
                 UsageStatistics.onEvent(UsageStatistics.COMPONENT_EDITOR,
                         "SaveBorder", mBorder.getName(), 1);
             }
@@ -499,7 +496,7 @@ public class ImagePreset {
                     representation.synchronizeRepresentation();
                 }
                 bitmap = environment.applyRepresentation(representation, bitmap);
-                if (environment.getQuality() == QUALITY_FINAL) {
+                if (environment.getQuality() == FilterEnvironment.QUALITY_FINAL) {
                     UsageStatistics.onEvent(UsageStatistics.COMPONENT_EDITOR,
                             "SaveFilter", representation.getName(), 1);
                 }
diff --git a/src/com/android/gallery3d/filtershow/presets/PipelineInterface.java b/src/com/android/gallery3d/filtershow/presets/PipelineInterface.java
new file mode 100644
index 000000000..05f0a1aa8
--- /dev/null
+++ b/src/com/android/gallery3d/filtershow/presets/PipelineInterface.java
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * 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.
+ */
+
+package com.android.gallery3d.filtershow.presets;
+
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.support.v8.renderscript.Allocation;
+import android.support.v8.renderscript.RenderScript;
+
+public interface PipelineInterface {
+    public String getName();
+    public Resources getResources();
+    public Allocation getInPixelsAllocation();
+    public Allocation getOutPixelsAllocation();
+    public boolean prepareRenderscriptAllocations(Bitmap bitmap);
+    public RenderScript getRSContext();
+}