Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import android.hardware.camera2.CameraCharacteristics;

public class Main {
    public static int getJpegOrientation(CameraCharacteristics c, int deviceOrientation) {
        if (deviceOrientation == android.view.OrientationEventListener.ORIENTATION_UNKNOWN)
            return 0;
        int sensorOrientation = c.get(CameraCharacteristics.SENSOR_ORIENTATION);

        // Round device orientation to a multiple of 90
        deviceOrientation = (deviceOrientation + 45) / 90 * 90;

        // Reverse device orientation for front-facing cameras
        boolean facingFront = c.get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_FRONT;
        if (facingFront)
            deviceOrientation = -deviceOrientation;

        // Calculate desired JPEG orientation relative to camera orientation to make
        // the image upright relative to the device orientation
        int jpegOrientation = (sensorOrientation + deviceOrientation + 360) % 360;

        return jpegOrientation;
    }
}