Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2010 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.Bitmap.Config;

import android.graphics.Canvas;
import android.graphics.Matrix;

public class Main {
    public static Bitmap scaleBitmap(Bitmap bitmap, int width, int height) {
        int newWidth = width;
        int newHeight = height;
        // if(newWidth < bitmap.getWidth()){
        // return bitmap;
        // }
        if (newHeight == 0) {
            newHeight = (int) (newWidth / (float) bitmap.getWidth() * bitmap.getHeight());
        }
        Bitmap result = Bitmap.createBitmap(newWidth, newHeight, Config.ARGB_8888);
        Canvas canvas = new Canvas(result);
        Matrix matrix = new Matrix();
        float scaleX = 1;
        float scaleY = 1;
        // if(newWidth>bitmap.getWidth()){
        scaleX = newWidth / (float) bitmap.getWidth();
        if (height != 0) {
            scaleY = newHeight / (float) bitmap.getHeight();
        } else {
            scaleY = scaleX;
        }
        // }
        matrix.postScale(scaleX, scaleY);
        canvas.drawBitmap(bitmap, matrix, null);
        return result;
    }
}