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jMonkeyEngine is a 3-D game engine for adventurous Java developers

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/*
 * Copyright (c) 2009-2020 jMonkeyEngine
 * 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 'jMonkeyEngine' 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 BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE 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, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package com.jme3.system.ios;

import com.jme3.asset.AssetInfo;
import com.jme3.asset.AssetLoader;
import com.jme3.asset.TextureKey;
import com.jme3.texture.Image;
import com.jme3.texture.Image.Format;
import java.io.IOException;
import java.io.InputStream;

/**
 *
 * @author normenhansen
 */
public class IosImageLoader implements AssetLoader {

    @Override
    public Object load(AssetInfo info) throws IOException {
        boolean flip = ((TextureKey) info.getKey()).isFlipY();
        Image img = null;
        InputStream in = null;
        try {
            in = info.openStream();
            img = loadImageData(Format.RGBA8, flip, in);
        } finally {
            if (in != null) {
                in.close();
            }
        }
        return img;
    }

    /**
     * Loads images via iOS native API
     *
     * @param format has to be Image.Format.RGBA8
     * @param inputStream the InputStream to load the image data from
     * @return the loaded Image
     */
    private static native Image loadImageData(Format format, boolean flipY, InputStream inputStream);
}