Main.java Source code

Java tutorial

Introduction

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;

public class Main {
    public static Bitmap getResizedBitmap(Bitmap bm, int newWidth, int newHeight) {
        int width = bm.getWidth();
        int height = bm.getHeight();
        float scaleWidth = ((float) newWidth) / width;
        float scaleHeight = ((float) newHeight) / height;

        if (scaleWidth < scaleHeight) {
            scaleHeight = scaleWidth;
        } else {
            scaleWidth = scaleHeight;
        }

        // create a matrix for the manipulation
        Matrix matrix = new Matrix();
        // resize the bit map
        matrix.postScale(scaleWidth, scaleHeight);

        // "recreate" the new bitmap
        return Bitmap.createBitmap(bm, 0, 0, width, height, matrix, false);
    }
}