Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

import android.graphics.BitmapFactory;

public class Main {
    private static int computeInitialSampleSize(BitmapFactory.Options options,

            int minSideLength, int maxNumOfPixels) {

        double w = options.outWidth;

        double h = options.outHeight;

        int lowerBound = (maxNumOfPixels == -1) ? 1 :

                (int) Math.ceil(Math.sqrt(w * h / maxNumOfPixels));

        int upperBound = (minSideLength == -1) ? 128 :

                (int) Math.min(Math.floor(w / minSideLength),

                        Math.floor(h / minSideLength));

        if (upperBound < lowerBound) {

            // return the larger one when there is no overlapping zone.

            return lowerBound;

        }

        if ((maxNumOfPixels == -1) &&

                (minSideLength == -1)) {

            return 1;

        } else if (minSideLength == -1) {

            return lowerBound;

        } else {

            return upperBound;

        }
    }
}