calculate Bitmap In Sample Size - Android Graphics

Android examples for Graphics:Bitmap Size

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Description

calculate Bitmap In Sample Size

Demo Code


//package com.java2s;

import android.graphics.BitmapFactory;

public class Main {
    public static int calculateInSampleSize(BitmapFactory.Options options,
            int reqWidth, int reqHeight) {
        // Raw height and width of image
        final int height = options.outHeight;
        final int width = options.outWidth;
        int inSampleSize = 1;

        if (height > reqHeight || width > reqWidth) {
            final int halfHeight = height / 2;
            final int halfWidth = width / 2;
            while ((halfHeight / inSampleSize) > reqHeight
                    && (halfWidth / inSampleSize) > reqWidth) {
                inSampleSize *= 2;//from   w ww.j  a v a2 s  .c om
            }
        }
        return inSampleSize;
    }
}

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