Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

import android.graphics.BitmapFactory.Options;

public class Main {

    public static Bitmap getBitmapFromResource(Context context, int id, int height, int width) {
        Options options = new Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeResource(context.getResources(), id, options);
        options.inSampleSize = calculateSampleSize(height, width, options);
        options.inJustDecodeBounds = false;
        Bitmap bitmap;
        bitmap = BitmapFactory.decodeResource(context.getResources(), id, options);
        return bitmap;
    }

    private static int calculateSampleSize(int height, int width, Options options) {
        int realHeight = options.outHeight;
        int realWidth = options.outWidth;
        int heigthScale = realHeight / height;
        int widthScale = realWidth / width;
        if (widthScale > heigthScale) {
            return widthScale;
        } else {
            return heigthScale;
        }
    }
}