package com.sregg.android.tv.spotifyPlayer.utils;
import android.content.Context;
import android.graphics.Bitmap;
import android.support.v8.renderscript.Allocation;
import android.support.v8.renderscript.Element;
import android.support.v8.renderscript.RenderScript;
import android.support.v8.renderscript.ScriptIntrinsicBlur;
import com.squareup.picasso.Transformation;
/**
* Created by simonreggiani on 15-02-08.
*/
public class BlurTransformation implements Transformation {
RenderScript rs;
public BlurTransformation(Context context) {
super();
rs = RenderScript.create(context);
}
@Override
public Bitmap transform(Bitmap bitmap) {
// Create another bitmap that will hold the results of the filter.
Bitmap blurredBitmap = Bitmap.createBitmap(bitmap);
// Allocate memory for Renderscript to work with
Allocation input = Allocation.createFromBitmap(rs, bitmap, Allocation.MipmapControl.MIPMAP_FULL, Allocation.USAGE_SHARED);
Allocation output = Allocation.createTyped(rs, input.getType());
// Load up an instance of the specific script that we want to use.
ScriptIntrinsicBlur script = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));
script.setInput(input);
// Set the blur radius
script.setRadius(10);
// Start the ScriptIntrinisicBlur
script.forEach(output);
// Copy the output to the blurred bitmap
output.copyTo(blurredBitmap);
// recycle original
bitmap.recycle();
return blurredBitmap;
}
@Override
public String key() {
return "blur";
}
}