Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.util.ArrayList;
import java.util.List;

public class Main {
    public static List<String> calculateResolutions(double dpi, double screenSize, boolean standard) {
        List<String> ret = new ArrayList<>();
        double bothSquaredSum = Math.pow(dpi * screenSize, 2);
        for (int i = 0; i < 10000; i++) {
            double other = Math.sqrt(bothSquaredSum - Math.pow(i, 2));
            double higher = Math.max(i, other), lower = Math.min(i, other);
            if (Double.isNaN(lower)) {
                continue;
            }
            if (standard) {
                double ratio = higher / lower;
                if (ratio == 4.0 / 3.0 || ratio == 16.0 / 9.0 || ratio == 16.0 / 10.0) {
                    ret.add(String.format("%.0fx%.0f", higher, lower));
                }
            } else {
                ret.add(String.format("%.0fx%.0f", higher, lower));
            }
        }
        return ret;
    }
}