Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

import java.io.InputStream;

public class Main {
    public static Bitmap scaleBitmap(Bitmap src, int maxWidth, int maxHeight) {
        if (src == null)
            return null;
        double scaleFactor = Math.min(((double) maxWidth) / src.getWidth(), ((double) maxHeight) / src.getHeight());
        return Bitmap.createScaledBitmap(src, (int) (src.getWidth() * scaleFactor),
                (int) (src.getHeight() * scaleFactor), false);
    }

    public static Bitmap scaleBitmap(int scaleFactor, InputStream is) {
        // Get the dimensions of the bitmap
        BitmapFactory.Options bmOptions = new BitmapFactory.Options();

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

        return BitmapFactory.decodeStream(is, null, bmOptions);
    }
}