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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.rs.image;
     18 
     19 import java.lang.Math;
     20 import java.lang.Short;
     21 
     22 import android.renderscript.Allocation;
     23 import android.renderscript.Element;
     24 import android.renderscript.Matrix4f;
     25 import android.renderscript.RenderScript;
     26 import android.renderscript.Script;
     27 import android.renderscript.ScriptC;
     28 import android.renderscript.ScriptIntrinsicBlend;
     29 import android.renderscript.Type;
     30 import android.util.Log;
     31 import android.widget.SeekBar;
     32 import android.widget.TextView;
     33 import android.widget.AdapterView;
     34 import android.widget.ArrayAdapter;
     35 import android.view.View;
     36 import android.widget.Spinner;
     37 
     38 public class Blend extends TestBase {
     39     private ScriptIntrinsicBlend mBlend;
     40     private ScriptC_blend mBlendHelper;
     41     private short image1Alpha = 128;
     42     private short image2Alpha = 128;
     43 
     44     String mIntrinsicNames[];
     45 
     46     private Allocation image1;
     47     private Allocation image2;
     48     private int currentIntrinsic = 0;
     49 
     50     private AdapterView.OnItemSelectedListener mIntrinsicSpinnerListener =
     51             new AdapterView.OnItemSelectedListener() {
     52                 public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
     53                     currentIntrinsic = pos;
     54                     if (mRS != null) {
     55                         runTest();
     56                         act.updateDisplay();
     57                     }
     58                 }
     59 
     60                 public void onNothingSelected(AdapterView parent) {
     61 
     62                 }
     63             };
     64 
     65     public void createTest(android.content.res.Resources res) {
     66         mBlend = ScriptIntrinsicBlend.create(mRS, Element.U8_4(mRS));
     67         mBlendHelper = new ScriptC_blend(mRS);
     68         mBlendHelper.set_alpha((short)128);
     69 
     70         image1 = Allocation.createTyped(mRS, mInPixelsAllocation.getType());
     71         image2 = Allocation.createTyped(mRS, mInPixelsAllocation2.getType());
     72 
     73         mIntrinsicNames = new String[14];
     74         mIntrinsicNames[0] = "Source";
     75         mIntrinsicNames[1] = "Destination";
     76         mIntrinsicNames[2] = "Source Over";
     77         mIntrinsicNames[3] = "Destination Over";
     78         mIntrinsicNames[4] = "Source In";
     79         mIntrinsicNames[5] = "Destination In";
     80         mIntrinsicNames[6] = "Source Out";
     81         mIntrinsicNames[7] = "Destination Out";
     82         mIntrinsicNames[8] = "Source Atop";
     83         mIntrinsicNames[9] = "Destination Atop";
     84         mIntrinsicNames[10] = "XOR";
     85         mIntrinsicNames[11] = "Add";
     86         mIntrinsicNames[12] = "Subtract";
     87         mIntrinsicNames[13] = "Multiply";
     88     }
     89 
     90     public boolean onSpinner1Setup(Spinner s) {
     91         s.setAdapter(new ArrayAdapter<String>(
     92             act, R.layout.spinner_layout, mIntrinsicNames));
     93         s.setSelection(0, false);
     94         s.setOnItemSelectedListener(mIntrinsicSpinnerListener);
     95         return true;
     96     }
     97 
     98     public boolean onBar1Setup(SeekBar b, TextView t) {
     99         t.setText("Image 1 Alpha");
    100         b.setMax(255);
    101         b.setProgress(image1Alpha);
    102         return true;
    103     }
    104 
    105     public void onBar1Changed(int progress) {
    106         image1Alpha = (short)progress;
    107     }
    108 
    109     public boolean onBar2Setup(SeekBar b, TextView t) {
    110         t.setText("Image 2 Alpha");
    111         b.setMax(255);
    112         b.setProgress(image2Alpha);
    113         return true;
    114     }
    115 
    116     public void onBar2Changed(int progress) {
    117         image2Alpha = (short)progress;
    118     }
    119 
    120     public void runTest() {
    121         image1.copy2DRangeFrom(0, 0, mInPixelsAllocation.getType().getX(), mInPixelsAllocation.getType().getY(), mInPixelsAllocation, 0, 0);
    122         image2.copy2DRangeFrom(0, 0, mInPixelsAllocation2.getType().getX(), mInPixelsAllocation2.getType().getY(), mInPixelsAllocation2, 0, 0);
    123 
    124         mBlendHelper.set_alpha(image1Alpha);
    125         mBlendHelper.forEach_setImageAlpha(image1);
    126 
    127         mBlendHelper.set_alpha(image2Alpha);
    128         mBlendHelper.forEach_setImageAlpha(image2);
    129 
    130         switch (currentIntrinsic) {
    131         case 0:
    132             mBlend.forEachSrc(image1, image2);
    133             break;
    134         case 1:
    135             mBlend.forEachDst(image1, image2);
    136             break;
    137         case 2:
    138             mBlend.forEachSrcOver(image1, image2);
    139             break;
    140         case 3:
    141             mBlend.forEachDstOver(image1, image2);
    142             break;
    143         case 4:
    144             mBlend.forEachSrcIn(image1, image2);
    145             break;
    146         case 5:
    147             mBlend.forEachDstIn(image1, image2);
    148             break;
    149         case 6:
    150             mBlend.forEachSrcOut(image1, image2);
    151             break;
    152         case 7:
    153             mBlend.forEachDstOut(image1, image2);
    154             break;
    155         case 8:
    156             mBlend.forEachSrcAtop(image1, image2);
    157             break;
    158         case 9:
    159             mBlend.forEachDstAtop(image1, image2);
    160             break;
    161         case 10:
    162             mBlend.forEachXor(image1, image2);
    163             break;
    164         case 11:
    165             mBlend.forEachAdd(image1, image2);
    166             break;
    167         case 12:
    168             mBlend.forEachSubtract(image1, image2);
    169             break;
    170         case 13:
    171             mBlend.forEachMultiply(image1, image2);
    172             break;
    173         }
    174 
    175         mOutPixelsAllocation.copy2DRangeFrom(0, 0, image2.getType().getX(), image2.getType().getY(), image2, 0, 0);
    176     }
    177 
    178 }
    179