Calculate the sample size in which to load the Bitmap This method makes - Android Graphics

Android examples for Graphics:Bitmap Sample Size

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Description

Calculate the sample size in which to load the Bitmap This method makes

Demo Code


//package com.java2s;

import android.graphics.BitmapFactory;

public class Main {
    /**/*from w  ww.  j  a  v  a 2 s.co m*/
     * Calculate the sample size in which to load the Bitmap
     * 
     * This method makes 
     * @param options Options containing the width and height of the image being sampled
     * @param desiredWidth The desired width of the sampled image
     * @param desiredHeight the Desired height of the sampled image
     * @return Sample size
     */
    public static int calculateInSampleSize(BitmapFactory.Options options,
            int desiredWidth, int desiredHeight) {
        // Raw height and width of image
        final int height = options.outHeight;
        final int width = options.outWidth;
        int inSampleSize = 1;

        if (height > desiredHeight || width > desiredWidth) {
            if (width > height) {
                inSampleSize = Math.round((float) height
                        / (float) desiredHeight);
            } else {
                inSampleSize = Math.round((float) width
                        / (float) desiredWidth);
            }
        }
        return inSampleSize;
    }
}

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