Android Bitmap Resize getSampledBitmap(String filePath, int reqWidth, int reqHeight)

Description

get Sampled Bitmap

License

Apache License

Declaration

public static Bitmap getSampledBitmap(String filePath, int reqWidth,
            int reqHeight) 

Method Source Code

/*//w  w w .  j av  a2  s  . c  o m
 * Copyright (C) 2012 Lightbox
 *
 * 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 android.graphics.BitmapFactory.Options;
import android.util.FloatMath;

public class Main{
    public static Bitmap getSampledBitmap(String filePath, int reqWidth,
            int reqHeight) {
        Options options = new Options();
        options.inJustDecodeBounds = true;

        BitmapFactory.decodeFile(filePath, options);

        // Raw height and width of image
        final int height = options.outHeight;
        final int width = options.outWidth;
        int inSampleSize = 1;

        if (height > reqHeight || width > reqWidth) {
            if (width > height) {
                inSampleSize = (int) FloatMath
                        .floor(((float) height / reqHeight) + 0.5f); //Math.round((float)height / (float)reqHeight);
            } else {
                inSampleSize = (int) FloatMath
                        .floor(((float) width / reqWidth) + 0.5f); //Math.round((float)width / (float)reqWidth);
            }
        }

        options.inSampleSize = inSampleSize;
        options.inJustDecodeBounds = false;

        return BitmapFactory.decodeFile(filePath, options);
    }
}

Related

1. calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight)
2. calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight)
3. createFitCenterBitmap(Bitmap srcBitmap, int dstWidth, int dstHeight, boolean tryRecycleSource)
4. createFitXYBitmap(Bitmap srcBitmap, int dstWidth, int dstHeight, boolean tryRecycleSource)
5. manageBitmapRotatio(int photoW, int photoH, Bitmap bitMap, int rotation)
6. readBitmapAutoSize(String filePath, int outWidth, int outHeight)
7. resize(Bitmap bitmap, int newWidth, int newHeight)
8. resizeAndCropCenter(Bitmap bitmap, int size, boolean recycle)