Android(安卓)判断imageview角度并旋转

/** * 读取照片exif信息中的旋转角度 * * @return角度 获取从相册中选中图片的角度 */public static float readPictureDegree(String path) {    int degree = 0;    try {        ExifInterface exifInterface = new ExifInterface(path);        int orientation = exifInterface.getAttributeInt(ExifInterface.TAG_ORIENTATION, ExifInterface.ORIENTATION_NORMAL);        switch (orientation) {            case ExifInterface.ORIENTATION_ROTATE_90:                degree = 90;                break;            case ExifInterface.ORIENTATION_ROTATE_180:                degree = 180;                break;            case ExifInterface.ORIENTATION_ROTATE_270:                degree = 270;                break;        }    } catch (Exception e) {        e.printStackTrace();    }    return degree;}

/** * 旋转图片，使图片保持正确的方向。 */   public static Bitmap rota(float degrees,Bitmap bitmap){    Matrix matrix = new Matrix();    matrix.setRotate(degrees, bitmap.getWidth() / 2, bitmap.getHeight() / 2);    Bitmap bmp = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);    if (null != bitmap) {        bitmap.recycle();    }    return bmp;}

更多相关文章

随机推荐