Down-samples a jpeg byte array. - Android Graphics

Android examples for Graphics:JPEG Image

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Description

Down-samples a jpeg byte array.

Demo Code

/*/*from www .  j  a va  2  s.  c om*/
 * Copyright (C) 2009 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.
 */
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

public class Main{
    /**
     * Down-samples a jpeg byte array.
     * @param data a byte array of jpeg data
     * @param downSampleFactor down-sample factor
     * @return decoded and down-sampled bitmap
     */
    public static Bitmap downSample(final byte[] data, int downSampleFactor) {
        final BitmapFactory.Options opts = new BitmapFactory.Options();
        // Downsample the image
        opts.inSampleSize = downSampleFactor;
        return BitmapFactory.decodeByteArray(data, 0, data.length, opts);
    }
}

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