/*
* Copyright (C) 2015 Naman Dwivedi
*
* Licensed under the GNU General Public License v3
*
* This is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*/
package com.naman14.timber.utils;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.support.v8.renderscript.RenderScript;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
public class ImageUtils {
public static Drawable createBlurredImageFromBitmap(Bitmap bitmap, Context context, int inSampleSize) {
RenderScript rs = RenderScript.create(context);
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inSampleSize = inSampleSize;
ByteArrayOutputStream stream = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, stream);
byte[] imageInByte = stream.toByteArray();
ByteArrayInputStream bis = new ByteArrayInputStream(imageInByte);
Bitmap blurTemplate = BitmapFactory.decodeStream(bis, null, options);
final android.support.v8.renderscript.Allocation input = android.support.v8.renderscript.Allocation.createFromBitmap(rs, blurTemplate);
final android.support.v8.renderscript.Allocation output = android.support.v8.renderscript.Allocation.createTyped(rs, input.getType());
final android.support.v8.renderscript.ScriptIntrinsicBlur script = android.support.v8.renderscript.ScriptIntrinsicBlur.create(rs, android.support.v8.renderscript.Element.U8_4(rs));
script.setRadius(8f);
script.setInput(input);
script.forEach(output);
output.copyTo(blurTemplate);
return new BitmapDrawable(context.getResources(), blurTemplate);
}
}