| /* |
| * Copyright (C) 2012 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.android.rs.levels; |
| |
| import android.app.Activity; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.graphics.Canvas; |
| import android.os.Bundle; |
| import android.graphics.SurfaceTexture; |
| import android.renderscript.Allocation; |
| import android.renderscript.Matrix3f; |
| import android.renderscript.RenderScript; |
| import android.util.Log; |
| import android.view.TextureView; |
| import android.view.View; |
| import android.widget.ImageView; |
| import android.widget.SeekBar; |
| import android.widget.TextView; |
| |
| public class LevelsRSActivity extends Activity |
| implements SeekBar.OnSeekBarChangeListener, |
| TextureView.SurfaceTextureListener |
| { |
| private final String TAG = "Img"; |
| private Bitmap mBitmapIn; |
| private float mInBlack = 0.0f; |
| private SeekBar mInBlackSeekBar; |
| private float mOutBlack = 0.0f; |
| private SeekBar mOutBlackSeekBar; |
| private float mInWhite = 255.0f; |
| private SeekBar mInWhiteSeekBar; |
| private float mOutWhite = 255.0f; |
| private SeekBar mOutWhiteSeekBar; |
| private float mGamma = 1.0f; |
| private SeekBar mGammaSeekBar; |
| private float mSaturation = 1.0f; |
| private SeekBar mSaturationSeekBar; |
| private TextView mBenchmarkResult; |
| private TextureView mDisplayView; |
| |
| Matrix3f satMatrix = new Matrix3f(); |
| float mInWMinInB; |
| float mOutWMinOutB; |
| float mOverInWMinInB; |
| |
| private RenderScript mRS; |
| private Allocation mInPixelsAllocation; |
| private Allocation mOutPixelsAllocation; |
| private ScriptC_levels mScript; |
| |
| private void setLevels() { |
| mInWMinInB = mInWhite - mInBlack; |
| mOutWMinOutB = mOutWhite - mOutBlack; |
| mOverInWMinInB = 1.f / mInWMinInB; |
| |
| mScript.set_inBlack(mInBlack); |
| mScript.set_outBlack(mOutBlack); |
| mScript.set_inWMinInB(mInWMinInB); |
| mScript.set_outWMinOutB(mOutWMinOutB); |
| mScript.set_overInWMinInB(mOverInWMinInB); |
| } |
| |
| private void setSaturation() { |
| float rWeight = 0.299f; |
| float gWeight = 0.587f; |
| float bWeight = 0.114f; |
| float oneMinusS = 1.0f - mSaturation; |
| |
| satMatrix.set(0, 0, oneMinusS * rWeight + mSaturation); |
| satMatrix.set(0, 1, oneMinusS * rWeight); |
| satMatrix.set(0, 2, oneMinusS * rWeight); |
| satMatrix.set(1, 0, oneMinusS * gWeight); |
| satMatrix.set(1, 1, oneMinusS * gWeight + mSaturation); |
| satMatrix.set(1, 2, oneMinusS * gWeight); |
| satMatrix.set(2, 0, oneMinusS * bWeight); |
| satMatrix.set(2, 1, oneMinusS * bWeight); |
| satMatrix.set(2, 2, oneMinusS * bWeight + mSaturation); |
| mScript.set_colorMat(satMatrix); |
| } |
| |
| public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { |
| if (fromUser) { |
| if (seekBar == mInBlackSeekBar) { |
| mInBlack = (float)progress; |
| setLevels(); |
| } else if (seekBar == mOutBlackSeekBar) { |
| mOutBlack = (float)progress; |
| setLevels(); |
| } else if (seekBar == mInWhiteSeekBar) { |
| mInWhite = (float)progress + 127.0f; |
| setLevels(); |
| } else if (seekBar == mOutWhiteSeekBar) { |
| mOutWhite = (float)progress + 127.0f; |
| setLevels(); |
| } else if (seekBar == mGammaSeekBar) { |
| mGamma = (float)progress/100.0f; |
| mGamma = Math.max(mGamma, 0.1f); |
| mGamma = 1.0f / mGamma; |
| mScript.set_gamma(mGamma); |
| } else if (seekBar == mSaturationSeekBar) { |
| mSaturation = (float)progress / 50.0f; |
| setSaturation(); |
| } |
| |
| filter(); |
| mDisplayView.invalidate(); |
| } |
| } |
| |
| public void onStartTrackingTouch(SeekBar seekBar) { |
| } |
| |
| public void onStopTrackingTouch(SeekBar seekBar) { |
| } |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.rs); |
| |
| mBitmapIn = loadBitmap(R.drawable.city); |
| mDisplayView = (TextureView) findViewById(R.id.display); |
| |
| mInBlackSeekBar = (SeekBar)findViewById(R.id.inBlack); |
| mInBlackSeekBar.setOnSeekBarChangeListener(this); |
| mInBlackSeekBar.setMax(128); |
| mInBlackSeekBar.setProgress(0); |
| mOutBlackSeekBar = (SeekBar)findViewById(R.id.outBlack); |
| mOutBlackSeekBar.setOnSeekBarChangeListener(this); |
| mOutBlackSeekBar.setMax(128); |
| mOutBlackSeekBar.setProgress(0); |
| |
| mInWhiteSeekBar = (SeekBar)findViewById(R.id.inWhite); |
| mInWhiteSeekBar.setOnSeekBarChangeListener(this); |
| mInWhiteSeekBar.setMax(128); |
| mInWhiteSeekBar.setProgress(128); |
| mOutWhiteSeekBar = (SeekBar)findViewById(R.id.outWhite); |
| mOutWhiteSeekBar.setOnSeekBarChangeListener(this); |
| mOutWhiteSeekBar.setMax(128); |
| mOutWhiteSeekBar.setProgress(128); |
| |
| mGammaSeekBar = (SeekBar)findViewById(R.id.inGamma); |
| mGammaSeekBar.setOnSeekBarChangeListener(this); |
| mGammaSeekBar.setMax(150); |
| mGammaSeekBar.setProgress(100); |
| |
| mSaturationSeekBar = (SeekBar)findViewById(R.id.inSaturation); |
| mSaturationSeekBar.setOnSeekBarChangeListener(this); |
| mSaturationSeekBar.setProgress(50); |
| |
| mBenchmarkResult = (TextView) findViewById(R.id.benchmarkText); |
| mBenchmarkResult.setText("Result: not run"); |
| |
| mRS = RenderScript.create(this); |
| mInPixelsAllocation = Allocation.createFromBitmap(mRS, mBitmapIn, |
| Allocation.MipmapControl.MIPMAP_NONE, |
| Allocation.USAGE_SCRIPT); |
| mOutPixelsAllocation = Allocation.createTyped(mRS, mInPixelsAllocation.getType(), |
| Allocation.USAGE_SCRIPT | |
| Allocation.USAGE_IO_OUTPUT); |
| mDisplayView.setSurfaceTextureListener(this); |
| |
| mScript = new ScriptC_levels(mRS, getResources(), R.raw.levels); |
| mScript.set_gamma(mGamma); |
| |
| setSaturation(); |
| setLevels(); |
| } |
| |
| private Bitmap loadBitmap(int resource) { |
| final BitmapFactory.Options options = new BitmapFactory.Options(); |
| options.inPreferredConfig = Bitmap.Config.ARGB_8888; |
| Bitmap b = BitmapFactory.decodeResource(getResources(), resource, options); |
| Bitmap b2 = Bitmap.createBitmap(b.getWidth(), b.getHeight(), b.getConfig()); |
| Canvas c = new Canvas(b2); |
| c.drawBitmap(b, 0, 0, null); |
| b.recycle(); |
| return b2; |
| } |
| |
| private void filter() { |
| mScript.forEach_root(mInPixelsAllocation, mOutPixelsAllocation); |
| mOutPixelsAllocation.ioSendOutput(); |
| mRS.finish(); |
| } |
| |
| public void benchmark(View v) { |
| filter(); |
| long t = java.lang.System.currentTimeMillis(); |
| filter(); |
| t = java.lang.System.currentTimeMillis() - t; |
| mDisplayView.invalidate(); |
| mBenchmarkResult.setText("Result: " + t + " ms"); |
| } |
| |
| |
| @Override |
| public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) { |
| mOutPixelsAllocation.setSurfaceTexture(surface); |
| filter(); |
| } |
| |
| @Override |
| public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) { |
| mOutPixelsAllocation.setSurfaceTexture(surface); |
| } |
| |
| @Override |
| public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) { |
| mOutPixelsAllocation.setSurfaceTexture(null); |
| return true; |
| } |
| |
| @Override |
| public void onSurfaceTextureUpdated(SurfaceTexture surface) { |
| } |
| } |