1 /* 2 * Copyright (C) 2011 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 androidx.media.filterfw; 18 19 public class FrameBuffer2D extends FrameBuffer1D { 20 21 public int getWidth() { 22 return mBackingStore.getDimensions()[0]; 23 } 24 25 public int getHeight() { 26 return mBackingStore.getDimensions()[1]; 27 } 28 29 static FrameBuffer2D create(BackingStore backingStore) { 30 assertCanCreate(backingStore); 31 return new FrameBuffer2D(backingStore); 32 } 33 34 FrameBuffer2D(BackingStore backingStore) { 35 super(backingStore); 36 } 37 38 static void assertCanCreate(BackingStore backingStore) { 39 FrameBuffer1D.assertCanCreate(backingStore); 40 int[] dimensions = backingStore.getDimensions(); 41 int dimCount = dimensions != null ? dimensions.length : 0; 42 if (dimCount != 2) { 43 throw new RuntimeException("Cannot access " + dimCount + "-dimensional Frame as a " 44 + "FrameBuffer2D instance!"); 45 } 46 } 47 } 48 49
