Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.io.IOException;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.graphics.Matrix;

import android.media.ExifInterface;

public class Main {
    public static Bitmap decodeImageFile(String strImagePath, BitmapFactory.Options options,
            boolean checkOrientation) {
        if (checkOrientation == false) {
            return BitmapFactory.decodeFile(strImagePath, options);
        } else {
            Bitmap bm = BitmapFactory.decodeFile(strImagePath, options);
            int degree = getExifDegree(strImagePath);
            return getRotatedBitmap(bm, degree);
        }
    }

    public static int getExifDegree(String filepath) {
        int degree = 0;
        ExifInterface exif;
        try {
            exif = new ExifInterface(filepath);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return 0;
        }

        if (exif != null) {
            int orientation = exif.getAttributeInt(ExifInterface.TAG_ORIENTATION, -1);

            if (orientation != -1) {
                switch (orientation) {
                case ExifInterface.ORIENTATION_ROTATE_90:
                    degree = 90;
                    break;
                case ExifInterface.ORIENTATION_ROTATE_180:
                    degree = 180;
                    break;
                case ExifInterface.ORIENTATION_ROTATE_270:
                    degree = 270;
                    break;
                }
            }
        }
        return degree;
    }

    public static Bitmap getRotatedBitmap(Bitmap bitmap, int degrees) {
        if (degrees != 0 && bitmap != null) {
            Matrix m = new Matrix();
            m.setRotate(degrees, (float) bitmap.getWidth() / 2, (float) bitmap.getHeight() / 2);
            try {
                Bitmap b2 = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m, true);
                if (bitmap.equals(b2)) {
                    bitmap.recycle();
                    bitmap = b2;
                }
            } catch (OutOfMemoryError ex) {
                // TODO Auto-generated catch block
                ex.printStackTrace();
            }
        }
        return bitmap;
    }
}