/*
 * Copyright (c) 2015, The Linux Foundation. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer in the documentation and/or other materials provided
 *    with the distribution.
 *  * Neither the name of The Linux Foundation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package com.android.gallery3d.filtershow.tools;

import java.io.File;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Point;
import android.util.Log;

public class DualCameraNativeEngine {
    private static final String TAG = "DualCameraNativeEngine";
    static {
        try {
            System.loadLibrary("jni_dualcamera");
            mLibLoaded = true;
            Log.v(TAG, "successfully loaded dual camera lib");
        } catch (UnsatisfiedLinkError e) {
            Log.e(TAG, "failed to load dual camera lib");
            mLibLoaded = false;
        }
    }

    // Status of Depth Map loading for current image
    public static enum DdmStatus {
        DDM_IDLE,
        DDM_PARSING,
        DDM_LOADING,
        DDM_LOADED,
        DDM_FAILED
    };

    public static final String DEPTH_MAP_EXT = "dm";
    private static final String CALIBRATION_FILENAME = "ddm_calib_file.dat";
    private static boolean mLibLoaded;

    private static DualCameraNativeEngine mInstance;

    private DualCameraNativeEngine() {}

    public static void createInstance() {
        if(mInstance == null) {
            mInstance = new DualCameraNativeEngine();
        }
    }

    public static DualCameraNativeEngine getInstance() {
        createInstance();
        return mInstance;
    }

    public boolean isLibLoaded() {
        return mLibLoaded;
    }

    public String getCalibFilepath(Context context) {
        File calibFile = new File(context.getFilesDir(), CALIBRATION_FILENAME);
        return calibFile.getAbsolutePath();
    }

    native public boolean initDepthMap(Bitmap primaryRGBA, Bitmap auxiliaryRGBA, String mpoFilepath, String calibFilepath);

    native public void releaseDepthMap();

    native public boolean getDepthMapSize(Point point);

    native public boolean getDepthMap(Bitmap dataBuffer);

    native public boolean applyFocus(int focusPointX, int focusPointY, float intensity, int[] roiRect, boolean isPreview, Bitmap outBm);

    native public boolean applyHalo(int focusPointX, int focusPointY, float intensity, int[] roiRect, boolean isPreview, Bitmap outBm);

    native public boolean applySketch(int focusPointX, int focusPointY, int[] roiRect, boolean isPreview, Bitmap outBm);

    native public boolean getForegroundImg(int focusPointX, int focusPointY, int[] roiRect, boolean isPreview, Bitmap outBm);
}