Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *    Copyright (C) 2010 Stewart Gateley <birbeck@gmail.com>
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation, either version 3 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import android.graphics.Bitmap;

import android.graphics.Matrix;

import android.util.Log;

public class Main {
    private static final String TAG = "BitmapUtil";

    public static Bitmap rotate(Bitmap b, int degrees, Matrix m) {
        if (degrees != 0 && b != null) {
            if (m == null) {
                m = new Matrix();
            }
            m.setRotate(degrees, (float) b.getWidth() / 2, (float) b.getHeight() / 2);
            try {
                Bitmap b2 = Bitmap.createBitmap(b, 0, 0, b.getWidth(), b.getHeight(), m, true);
                if (b != b2) {
                    b.recycle();
                    b = b2;
                }
            } catch (OutOfMemoryError ex) {
                // We have no memory to rotate. Return the original bitmap.
                Log.e(TAG, "Got oom exception ", ex);
            }
        }
        return b;
    }
}