Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import android.graphics.Bitmap;

import android.graphics.Matrix;

import android.media.ExifInterface;
import android.text.TextUtils;

import java.io.IOException;

public class Main {

    public static Bitmap rotateBitmapInNeeded(String path, Bitmap srcBitmap) {
        if (TextUtils.isEmpty(path) || srcBitmap == null) {
            return null;
        }

        ExifInterface localExifInterface;
        try {
            localExifInterface = new ExifInterface(path);
            int rotateInt = localExifInterface.getAttributeInt(ExifInterface.TAG_ORIENTATION,
                    ExifInterface.ORIENTATION_NORMAL);
            float rotate = getImageRotate(rotateInt);
            if (rotate != 0) {
                Matrix matrix = new Matrix();
                matrix.postRotate(rotate);
                Bitmap dstBitmap = Bitmap.createBitmap(srcBitmap, 0, 0, srcBitmap.getWidth(), srcBitmap.getHeight(),
                        matrix, false);
                if (dstBitmap == null) {
                    return srcBitmap;
                } else {
                    if (srcBitmap != null && !srcBitmap.isRecycled()) {
                        srcBitmap.recycle();
                    }
                    return dstBitmap;
                }
            } else {
                return srcBitmap;
            }
        } catch (IOException e) {
            e.printStackTrace();
            return srcBitmap;
        }
    }

    public static float getImageRotate(int rotate) {
        float f;
        if (rotate == 6) {
            f = 90.0F;
        } else if (rotate == 3) {
            f = 180.0F;
        } else if (rotate == 8) {
            f = 270.0F;
        } else {
            f = 0.0F;
        }

        return f;
    }
}