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 android.graphics.Bitmap; 20 21 import com.android.gallery3d.R; 22 23 public class ImageFilterEdge extends SimpleImageFilter { 24 private static final String SERIALIZATION_NAME = "EDGE"; 25 public ImageFilterEdge() { 26 mName = "Edge"; 27 } 28 29 public FilterRepresentation getDefaultRepresentation() { 30 FilterRepresentation representation = super.getDefaultRepresentation(); 31 representation.setName("Edge"); 32 representation.setSerializationName(SERIALIZATION_NAME); 33 representation.setFilterClass(ImageFilterEdge.class); 34 representation.setTextId(R.string.edge); 35 representation.setSupportsPartialRendering(true); 36 return representation; 37 } 38 39 native protected void nativeApplyFilter(Bitmap bitmap, int w, int h, float p); 40 41 @Override 42 public Bitmap apply(Bitmap bitmap, float scaleFactor, int quality) { 43 if (getParameters() == null) { 44 return bitmap; 45 } 46 int w = bitmap.getWidth(); 47 int h = bitmap.getHeight(); 48 float p = getParameters().getValue() + 101; 49 p = (float) p / 100; 50 nativeApplyFilter(bitmap, w, h, p); 51 return bitmap; 52 } 53 } 54
