Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import android.graphics.Bitmap;

import android.graphics.Canvas;

import android.graphics.Paint;

public class Main {
    /** Creates and returns a new bitmap which is the same as the provided bitmap
     * but with horizontal or vertical padding (if necessary)
     * either side of the original bitmap
     * so that the resulting bitmap is a square.
     * @param bitmap is the bitmap to pad.
     * @return the padded bitmap.*/
    public static Bitmap padBitmap(Bitmap bitmap) {
        int paddingX;
        int paddingY;

        if (bitmap.getWidth() == bitmap.getHeight()) {
            paddingX = 0;
            paddingY = 0;
        } else if (bitmap.getWidth() > bitmap.getHeight()) {
            paddingX = 0;
            paddingY = bitmap.getWidth() - bitmap.getHeight();
        } else {
            paddingX = bitmap.getHeight() - bitmap.getWidth();
            paddingY = 0;
        }

        Bitmap paddedBitmap = Bitmap.createBitmap(bitmap.getWidth() + paddingX, bitmap.getHeight() + paddingY,
                Bitmap.Config.ARGB_8888);

        Canvas canvas = new Canvas(paddedBitmap);
        canvas.drawARGB(0xFF, 0xFF, 0xFF, 0xFF); // this represents white color
        canvas.drawBitmap(bitmap, paddingX / 2, paddingY / 2, new Paint(Paint.FILTER_BITMAP_FLAG));

        return paddedBitmap;
    }
}