ImageUtils.java 文件源码

/**
 * 按采样大小压缩
 *
 * @param src        源图片
 * @param sampleSize 采样率大小
 * @param recycle    是否回收
 * @return 按采样率压缩后的图片
 */
public static Bitmap compressBySampleSize(Bitmap src, int sampleSize, boolean recycle) {
    if (isEmptyBitmap(src)) return null;
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inSampleSize = sampleSize;
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    src.compress(Bitmap.CompressFormat.JPEG, 100, baos);
    byte[] bytes = baos.toByteArray();
    if (recycle && !src.isRecycled()) src.recycle();
    return BitmapFactory.decodeByteArray(bytes, 0, bytes.length, options);
}