using UnityEngine;
using UnityEngine.SceneManagement;
using System.Collections;
using OpenCVForUnity.CoreModule;
using OpenCVForUnity.UnityUtils;

namespace OpenCVForUnityExample
{
    /// <summary>
    /// Texture2DToMat Example
    /// An example of converting a Texture2D image to OpenCV's Mat format.
    /// </summary>
    public class Texture2DToMatExample : MonoBehaviour
    {
        // Use this for initialization
        void Start ()
        {
            //if true, The error log of the Native side OpenCV will be displayed on the Unity Editor Console.
            Utils.setDebugMode (true);


            Texture2D imgTexture = Resources.Load ("lena") as Texture2D;

            Mat imgMat = new Mat (imgTexture.height, imgTexture.width, CvType.CV_8UC4);

            Utils.texture2DToMat (imgTexture, imgMat);
            Debug.Log ("imgMat.ToString() " + imgMat.ToString ());

            Texture2D texture = new Texture2D (imgMat.cols (), imgMat.rows (), TextureFormat.RGBA32, false);

            Utils.matToTexture2D (imgMat, texture);

            gameObject.GetComponent<Renderer> ().material.mainTexture = texture;


            Utils.setDebugMode (false);
        }
    
        // Update is called once per frame
        void Update ()
        {

        }

        /// <summary>
        /// Raises the back button click event.
        /// </summary>
        public void OnBackButtonClick ()
        {
            SceneManager.LoadScene ("OpenCVForUnityExample");
        }
    }
}