Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

import android.graphics.Bitmap;
import android.graphics.Color;

public class Main {
    /**
     * Heuristic method to determine if the image looks empty. Works by taking a horisontal row of pixels from he
     * middle, and looks if they're all pure white.
     *
     * @param refinedImage A pre-processed image of the evolution cost. (should be pre-refined to replace all non
     *                     text colors with pure white)
     * @return true if the image is likely only white
     */
    private static boolean isOnlyWhite(Bitmap refinedImage) {
        int[] pixelArray = new int[refinedImage.getWidth()];

        //below code takes one line of pixels in the middle of the pixture from left to right
        refinedImage.getPixels(pixelArray, 0, refinedImage.getWidth(), 0, refinedImage.getHeight() / 2,
                refinedImage.getWidth(), 1);

        for (int pixel : pixelArray) {
            if (pixel != Color.rgb(255, 255, 255)) { // if pixel is not white
                return false;
            }
        }
        return true;
    }
}