get Bitmap and Scale - Android Graphics

Android examples for Graphics:Bitmap Scale

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Description

get Bitmap and Scale

Demo Code


//package com.java2s;

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

public class Main {
    public static Bitmap getBitmap(String filePath) {

        Options options = new Options();
        options.inJustDecodeBounds = true;
        BitmapFactory.decodeFile(filePath, options);

        Boolean scaleByHeight = Math.abs(options.outHeight - 100) >= Math
                .abs(options.outWidth - 100);
        if (options.outHeight * options.outWidth * 2 >= 16384) {
            double sampleSize = scaleByHeight ? options.outHeight / 100
                    : options.outWidth / 100;
            options.inSampleSize = (int) Math.pow(2d,
                    Math.floor(Math.log(sampleSize) / Math.log(2d)));
        }/*  www .  j a v  a  2 s  .c  o m*/

        // Do the actual decoding
        options.inJustDecodeBounds = false;
        options.inTempStorage = new byte[512];
        Bitmap output = BitmapFactory.decodeFile(filePath, options);

        return output;
    }
}

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