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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.gallery3d.filtershow.filters;
     18 
     19 import com.android.gallery3d.R;
     20 
     21 import android.graphics.Bitmap;
     22 
     23 public class ImageFilterShadows extends SimpleImageFilter {
     24     private static final String SERIALIZATION_NAME = "SHADOWS";
     25     public ImageFilterShadows() {
     26         mName = "Shadows";
     27 
     28     }
     29 
     30     public FilterRepresentation getDefaultRepresentation() {
     31         FilterBasicRepresentation representation =
     32                 (FilterBasicRepresentation) super.getDefaultRepresentation();
     33         representation.setName("Shadows");
     34         representation.setSerializationName(SERIALIZATION_NAME);
     35         representation.setFilterClass(ImageFilterShadows.class);
     36         representation.setTextId(R.string.shadow_recovery);
     37         representation.setMinimum(-100);
     38         representation.setMaximum(100);
     39         representation.setDefaultValue(0);
     40         representation.setSupportsPartialRendering(true);
     41         return representation;
     42     }
     43 
     44     native protected void nativeApplyFilter(Bitmap bitmap, int w, int h, float  factor);
     45 
     46     @Override
     47     public Bitmap apply(Bitmap bitmap, float scaleFactor, int quality) {
     48         if (getParameters() == null) {
     49             return bitmap;
     50         }
     51         int w = bitmap.getWidth();
     52         int h = bitmap.getHeight();
     53         float p = getParameters().getValue();
     54 
     55         nativeApplyFilter(bitmap, w, h, p);
     56         return bitmap;
     57     }
     58 }
     59