Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import android.graphics.Bitmap;

public class Main {
    public static Bitmap createPOT(Bitmap bmp) {
        Bitmap potBmp = null;
        int potWidth = (int) Math.ceil(Math.log(bmp.getWidth()) / Math.log(2));
        int potHeight = (int) Math.ceil(Math.log(bmp.getHeight()) / Math.log(2));
        potHeight = (int) Math.pow(2, potHeight);
        potWidth = (int) Math.pow(2, potWidth);

        if (potWidth == 1) {
            potWidth = 2;
        }
        if (potHeight == 1) {
            potHeight = 2;
        }

        if (potHeight != bmp.getHeight() || potWidth != bmp.getWidth()) {
            int[] colors = new int[potWidth * potHeight];
            int index = 0;

            int offset = potHeight - bmp.getHeight();
            for (int i = 0; i < potHeight; i++) {
                for (int j = 0; j < potWidth; j++) {
                    if (i > offset - 1) {
                        if (j < bmp.getWidth() && i < bmp.getHeight()) {
                            colors[index] = bmp.getPixel(j, i);
                        } else {
                            colors[index] = 0;
                        }
                    }
                    index++;
                }
            }

            potBmp = Bitmap.createBitmap(colors, potWidth, potHeight, bmp.getConfig());
        } else {
            potBmp = bmp;
        }

        System.gc();

        return potBmp;
    }
}