Main.java Source code

Introduction

Here is the source code for Main.java

Source

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

import android.graphics.Bitmap;

import android.graphics.Matrix;
import android.graphics.RectF;
import android.media.ExifInterface;

public class Main {
    private static final int ORIENTATION_90 = 90;
    private static final int ORIENTATION_180 = 180;
    private static final int ORIENTATION_270 = 270;

    /**
     * Scale a bitmap and correct the dimensions
     *
     * @param bitmap      Bitmap to scale
     * @param width       width for scaling
     * @param height      height for scaling
     * @param orientation Current orientation of the Image
     * @return Scaled bitmap
     */
    public static Bitmap getScaledBitmap(Bitmap bitmap, int width, int height, int orientation) {
        Matrix m = new Matrix();
        m.setRectToRect(new RectF(0, 0, bitmap.getWidth(), bitmap.getHeight()), new RectF(0, 0, width, height),
                Matrix.ScaleToFit.CENTER);
        if (orientation == ExifInterface.ORIENTATION_ROTATE_90) {
            m.postRotate(ORIENTATION_90);
        } else if (orientation == ExifInterface.ORIENTATION_ROTATE_180) {
            m.postRotate(ORIENTATION_180);
        } else if (orientation == ExifInterface.ORIENTATION_ROTATE_270) {
            m.postRotate(ORIENTATION_270);
        }
        return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m, true);
    }
}