Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import android.annotation.TargetApi;

import android.content.Context;

import android.graphics.Bitmap;

import android.os.Build;

import android.renderscript.Allocation;
import android.renderscript.Element;
import android.renderscript.RenderScript;
import android.renderscript.ScriptIntrinsicBlur;

public class Main {
    /**
     * Monir Zzaman
     * Purpose to blur the orginal Image
     * Date: 21-DEC-2015
     */

    private static final float BITMAP_SCALE = 0.2f;
    private static final float BLUR_RADIUS = 4.0f;

    @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
    public static Bitmap blur(Context context, Bitmap image) {
        int width = Math.round(image.getWidth() * BITMAP_SCALE);
        int height = Math.round(image.getHeight() * BITMAP_SCALE);

        Bitmap inputBitmap = Bitmap.createScaledBitmap(image, width, height, false);
        Bitmap outputBitmap = Bitmap.createBitmap(inputBitmap);

        RenderScript rs = RenderScript.create(context);
        ScriptIntrinsicBlur theIntrinsic = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
        Allocation tmpIn = Allocation.createFromBitmap(rs, inputBitmap);
        Allocation tmpOut = Allocation.createFromBitmap(rs, outputBitmap);
        theIntrinsic.setRadius(BLUR_RADIUS);
        theIntrinsic.setInput(tmpIn);
        theIntrinsic.forEach(tmpOut);
        tmpOut.copyTo(outputBitmap);

        return outputBitmap;
    }
}