/*
 * Copyright (C) 2011 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 androidx.media.filterfw;

public class FrameBuffer2D extends FrameBuffer1D {

    public int getWidth() {
        return mBackingStore.getDimensions()[0];
    }

    public int getHeight() {
        return mBackingStore.getDimensions()[1];
    }

    static FrameBuffer2D create(BackingStore backingStore) {
        assertCanCreate(backingStore);
        return new FrameBuffer2D(backingStore);
    }

    FrameBuffer2D(BackingStore backingStore) {
        super(backingStore);
    }

    static void assertCanCreate(BackingStore backingStore) {
        FrameBuffer1D.assertCanCreate(backingStore);
        int[] dimensions = backingStore.getDimensions();
        int dimCount = dimensions != null ? dimensions.length : 0;
        if (dimCount != 2) {
            throw new RuntimeException("Cannot access " + dimCount + "-dimensional Frame as a "
                + "FrameBuffer2D instance!");
        }
    }
}