shrink Bitmap To Suitable - Android Graphics

Android examples for Graphics:Bitmap Scale

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Description

shrink Bitmap To Suitable

Demo Code


//package com.book2s;

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

public class Main {

    public static Bitmap featBitmapToSuitable(String path,
            int suitableSize, float factor) {
        Bitmap bitmap = null;/* w w  w .  j a v  a  2  s.  c o  m*/
        try {
            BitmapFactory.Options options = new BitmapFactory.Options();
            options.inJustDecodeBounds = true;
            BitmapFactory.decodeFile(path, options);
            options.inJustDecodeBounds = false;
            options.inSampleSize = 1;
            options.inPreferredConfig = Bitmap.Config.RGB_565;
            options.inPurgeable = true;
            options.inInputShareable = true;
            int bitmap_w = options.outWidth;
            int bitmap_h = options.outHeight;
            int max_edge = bitmap_w > bitmap_h ? bitmap_w : bitmap_h;
            while (max_edge / (float) suitableSize > factor) {
                options.inSampleSize <<= 1;
                max_edge >>= 1;
            }
            return BitmapFactory.decodeFile(path, options);
        } catch (Exception e) {
        }
        return bitmap;
    }
}

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