Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *  GifStitch - Android App
 *  Copyright (C) 2012 Nick Thuesen
 *
 *  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 java.io.FileInputStream;

import android.graphics.BitmapFactory;

public class Main {
    public static int getDesirableBitmapSampleSize(String imgPath, int desiredSize) {
        int scale = 1;
        try {
            BitmapFactory.Options options = new BitmapFactory.Options();
            options.inJustDecodeBounds = true;
            BitmapFactory.decodeStream(new FileInputStream(imgPath), null, options);
            //Find the correct scale value. It should be the power of 2.
            int width_tmp = options.outWidth, height_tmp = options.outHeight;
            while (true) {
                if (width_tmp / 2 < desiredSize || height_tmp / 2 < desiredSize)
                    break;
                width_tmp /= 2;
                height_tmp /= 2;
                scale *= 2;
            }
            return scale;

        } catch (Exception e) {
            return scale;
        }
    }
}