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
17package com.android.rs.image;
18
19import java.lang.Math;
20
21import android.renderscript.Allocation;
22import android.renderscript.Element;
23import android.renderscript.RenderScript;
24import android.renderscript.Script;
25import android.renderscript.ScriptC;
26import android.renderscript.Type;
27import android.util.Log;
28import android.widget.SeekBar;
29import android.widget.TextView;
30
31public class Mandelbrot extends TestBase {
32    private ScriptC_mandelbrot mScript;
33
34    public boolean onBar1Setup(SeekBar b, TextView t) {
35        t.setText("Iterations");
36        b.setProgress(0);
37        return true;
38    }
39
40    public void onBar1Changed(int progress) {
41        int iters = progress * 3 + 50;
42        mScript.set_gMaxIteration(iters);
43    }
44
45    public boolean onBar2Setup(SeekBar b, TextView t) {
46        t.setText("Lower Bound: X");
47        b.setProgress(0);
48        return true;
49    }
50
51    public void onBar2Changed(int progress) {
52        float scaleFactor = mScript.get_scaleFactor();
53        // allow viewport to be moved by 2x scale factor
54        float lowerBoundX = -2.f + ((progress / scaleFactor) / 50.f);
55        mScript.set_lowerBoundX(lowerBoundX);
56    }
57
58    public boolean onBar3Setup(SeekBar b, TextView t) {
59        t.setText("Lower Bound: Y");
60        b.setProgress(0);
61        return true;
62    }
63
64    public void onBar3Changed(int progress) {
65        float scaleFactor = mScript.get_scaleFactor();
66        // allow viewport to be moved by 2x scale factor
67        float lowerBoundY = -2.f + ((progress / scaleFactor) / 50.f);
68        mScript.set_lowerBoundY(lowerBoundY);
69    }
70
71    public boolean onBar4Setup(SeekBar b, TextView t) {
72        t.setText("Scale Factor");
73        b.setProgress(0);
74        return true;
75    }
76
77    public void onBar4Changed(int progress) {
78        float scaleFactor = 4.f - (3.96f * (progress / 100.f));
79        mScript.set_scaleFactor(scaleFactor);
80    }
81
82    public void createTest(android.content.res.Resources res) {
83        int width = mOutPixelsAllocation.getType().getX();
84        int height = mOutPixelsAllocation.getType().getY();
85
86        mScript = new ScriptC_mandelbrot(mRS, res, R.raw.mandelbrot);
87        mScript.set_gDimX(width);
88        mScript.set_gDimY(height);
89        mScript.set_gMaxIteration(50);
90    }
91
92    public void runTest() {
93        mScript.forEach_root(mOutPixelsAllocation);
94        mRS.finish();
95    }
96
97}
98
99