Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

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

public class Main {
    public static Bitmap loadScreenScaledBitmap(String filename, Context context) {
        BitmapFactory.Options options = new BitmapFactory.Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeFile(filename, options);
        options.inSampleSize = calculateInSampleSize(options, context);
        options.inJustDecodeBounds = false;
        return BitmapFactory.decodeFile(filename, options);
    }

    public static int calculateInSampleSize(BitmapFactory.Options options, Context context) {
        int reqWidth = context.getResources().getDisplayMetrics().widthPixels;
        int reqHeight = context.getResources().getDisplayMetrics().heightPixels;

        // Raw height and width of image
        final int imgheight = options.outHeight;
        final int imgwidth = options.outWidth;
        int inSampleSize = 1;

        if (imgheight > reqHeight || imgwidth > reqWidth) {
            if (imgwidth > imgheight) {
                inSampleSize = Math.round((float) imgheight / (float) reqHeight);
            } else {
                inSampleSize = Math.round((float) imgwidth / (float) reqWidth);
            }
        }
        return inSampleSize;
    }
}