Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/*****************************************************************************
 * BitmapUtil.java
 *****************************************************************************
 * Copyright  2011-2014 VLC authors and VideoLAN
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
 *****************************************************************************/

import android.graphics.Bitmap;

public class Main {
    public static Bitmap cropBorders(Bitmap bitmap, int width, int height) {
        int top = 0;
        for (int i = 0; i < height / 2; i++) {
            int pixel1 = bitmap.getPixel(width / 2, i);
            int pixel2 = bitmap.getPixel(width / 2, height - i - 1);
            if ((pixel1 == 0 || pixel1 == -16777216) && (pixel2 == 0 || pixel2 == -16777216)) {
                top = i;
            } else {
                break;
            }
        }

        int left = 0;
        for (int i = 0; i < width / 2; i++) {
            int pixel1 = bitmap.getPixel(i, height / 2);
            int pixel2 = bitmap.getPixel(width - i - 1, height / 2);
            if ((pixel1 == 0 || pixel1 == -16777216) && (pixel2 == 0 || pixel2 == -16777216)) {
                left = i;
            } else {
                break;
            }
        }

        if (left >= width / 2 - 10 || top >= height / 2 - 10)
            return bitmap;

        // Cut off the transparency on the borders
        return Bitmap.createBitmap(bitmap, left, top, (width - (2 * left)), (height - (2 * top)));
    }
}