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.BitmapFactory;
import android.graphics.Matrix;

public class Main {
    public static Bitmap scaleBitmap(int height, int width, String pathImage) {
        Bitmap desBitmap = null;
        BitmapFactory.Options bmOptions = new BitmapFactory.Options();
        bmOptions.inJustDecodeBounds = true;
        BitmapFactory.decodeFile(pathImage, bmOptions);
        int photoW = bmOptions.outWidth;
        int photoH = bmOptions.outHeight;

        // Determine how much to scale down the image
        int scaleFactor = Math.min(photoW / width, photoH / height);

        // Decode the image file into a Bitmap sized to fill the View
        bmOptions.inJustDecodeBounds = false;
        bmOptions.inSampleSize = scaleFactor << 1;
        bmOptions.inPurgeable = true;

        Bitmap bitmap = BitmapFactory.decodeFile(pathImage, bmOptions);

        Matrix mtx = new Matrix();
        mtx.postRotate(90);
        // Rotating Bitmap
        Bitmap rotatedBMP = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), mtx, true);

        if (rotatedBMP != bitmap) {
            bitmap.recycle();
        }

        return rotatedBMP;
    }
}