Main.java Source code

Java tutorial

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Project:  NextGIS mobile apps for Compulink
 * Purpose:  Mobile GIS for Android
 * Authors:  Dmitry Baryshnikov (aka Bishop), polimax@mail.ru
 *           NikitaFeodonit, nfeodonit@yandex.com
 * *****************************************************************************
 * Copyright (C) 2014-2015 NextGIS
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

import android.graphics.Bitmap;
import android.graphics.Matrix;

import android.media.ExifInterface;

public class Main {
    public static Bitmap rotateBitmap(Bitmap bitmap, int exifOrientation) {
        Matrix matrix = new Matrix();
        switch (exifOrientation) {
        case ExifInterface.ORIENTATION_NORMAL:
        default:
            return bitmap;
        case ExifInterface.ORIENTATION_FLIP_HORIZONTAL:
            matrix.setScale(-1, 1);
            break;
        case ExifInterface.ORIENTATION_ROTATE_180:
            matrix.setRotate(180);
            break;
        case ExifInterface.ORIENTATION_FLIP_VERTICAL:
            matrix.setRotate(180);
            matrix.postScale(-1, 1);
            break;
        case ExifInterface.ORIENTATION_TRANSPOSE:
            matrix.setRotate(90);
            matrix.postScale(-1, 1);
            break;
        case ExifInterface.ORIENTATION_ROTATE_90:
            matrix.setRotate(90);
            break;
        case ExifInterface.ORIENTATION_TRANSVERSE:
            matrix.setRotate(-90);
            matrix.postScale(-1, 1);
            break;
        case ExifInterface.ORIENTATION_ROTATE_270:
            matrix.setRotate(-90);
            break;
        }

        try {
            return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true);

        } catch (OutOfMemoryError e) {
            e.printStackTrace();
            return null;
        }
    }
}