1 /* 2 * Copyright (C) 2018 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 android.uirendering.cts.bitmapverifiers; 18 19 import static org.junit.Assert.assertFalse; 20 21 import android.graphics.Rect; 22 import android.graphics.Region; 23 import android.graphics.RegionIterator; 24 25 import java.util.ArrayList; 26 import java.util.List; 27 28 public class RegionVerifier extends BitmapVerifier { 29 private static class SubRegionVerifiers { 30 public Region region; 31 public BitmapVerifier verifier; 32 33 SubRegionVerifiers(Region region, BitmapVerifier verifier) { 34 this.region = region; 35 this.verifier = verifier; 36 } 37 } 38 39 private List<SubRegionVerifiers> mRegionVerifiers = new ArrayList<>(); 40 41 @Override 42 public boolean verify(int[] bitmap, int offset, int stride, int width, int height) { 43 assertFalse(mRegionVerifiers.isEmpty()); 44 boolean isVerified = true; 45 for (SubRegionVerifiers subRegionVerifier : mRegionVerifiers) { 46 if (subRegionVerifier.region.isRect()) { 47 Rect area = subRegionVerifier.region.getBounds(); 48 isVerified &= verifySubRect(bitmap, offset, stride, width, height, 49 subRegionVerifier.verifier, area); 50 } else { 51 RegionIterator iter = new RegionIterator(subRegionVerifier.region); 52 Rect area = new Rect(); 53 while (iter.next(area)) { 54 isVerified &= verifySubRect(bitmap, offset, stride, width, height, 55 subRegionVerifier.verifier, area); 56 } 57 } 58 } 59 return isVerified; 60 } 61 62 private boolean verifySubRect(int[] bitmap, int offset, int stride, int width, int height, 63 BitmapVerifier subVerifier, Rect rect) { 64 final int newOffset = rect.top * stride + rect.left + offset; 65 return subVerifier.verify(bitmap, newOffset, stride, rect.width(), rect.height()); 66 } 67 68 public RegionVerifier addVerifier(Rect area, BitmapVerifier verifier) { 69 return addVerifier(new Region(area), verifier); 70 } 71 72 public RegionVerifier addVerifier(Region area, BitmapVerifier verifier) { 73 mRegionVerifiers.add(new SubRegionVerifiers(area, verifier)); 74 return this; 75 } 76 } 77
