| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.example.android.rs.hellocompute; |
| |
| import android.app.Activity; |
| import android.os.Bundle; |
| import android.graphics.BitmapFactory; |
| import android.graphics.Bitmap; |
| import android.renderscript.RenderScript; |
| import android.renderscript.Allocation; |
| import android.widget.ImageView; |
| |
| public class HelloCompute extends Activity { |
| private Bitmap mBitmapIn; |
| private Bitmap mBitmapOut; |
| |
| private RenderScript mRS; |
| private Allocation mInAllocation; |
| private Allocation mOutAllocation; |
| private ScriptC_mono mScript; |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.main); |
| |
| mBitmapIn = loadBitmap(R.drawable.data); |
| mBitmapOut = Bitmap.createBitmap(mBitmapIn.getWidth(), mBitmapIn.getHeight(), |
| mBitmapIn.getConfig()); |
| |
| ImageView in = (ImageView) findViewById(R.id.displayin); |
| in.setImageBitmap(mBitmapIn); |
| |
| ImageView out = (ImageView) findViewById(R.id.displayout); |
| out.setImageBitmap(mBitmapOut); |
| |
| createScript(); |
| } |
| |
| |
| private void createScript() { |
| mRS = RenderScript.create(this); |
| |
| mInAllocation = Allocation.createFromBitmap(mRS, mBitmapIn, |
| Allocation.MipmapControl.MIPMAP_NONE, |
| Allocation.USAGE_SCRIPT); |
| mOutAllocation = Allocation.createTyped(mRS, mInAllocation.getType()); |
| |
| mScript = new ScriptC_mono(mRS, getResources(), R.raw.mono); |
| |
| mScript.set_gIn(mInAllocation); |
| mScript.set_gOut(mOutAllocation); |
| mScript.set_gScript(mScript); |
| mScript.invoke_filter(); |
| mOutAllocation.copyTo(mBitmapOut); |
| } |
| |
| private Bitmap loadBitmap(int resource) { |
| final BitmapFactory.Options options = new BitmapFactory.Options(); |
| options.inPreferredConfig = Bitmap.Config.ARGB_8888; |
| return BitmapFactory.decodeResource(getResources(), resource, options); |
| } |
| } |