BitmapMeshActivity.java revision ff316ec7a76e52572a2e89b691e6b3bba0cafba3 
1/*
2 * Copyright (C) 2010 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.test.hwui;
18
19import android.app.Activity;
20import android.content.Context;
21import android.graphics.Bitmap;
22import android.graphics.BitmapFactory;
23import android.graphics.Canvas;
24import android.graphics.Paint;
25import android.os.Bundle;
26import android.view.View;
27
28@SuppressWarnings({"UnusedDeclaration"})
29public class BitmapMeshActivity extends Activity {
30    @Override
31    protected void onCreate(Bundle savedInstanceState) {
32        super.onCreate(savedInstanceState);
33        final BitmapMeshView view = new BitmapMeshView(this);
34        setContentView(view);
35    }
36
37    static class BitmapMeshView extends View {
38        private Paint mBitmapPaint;
39        private final Bitmap mBitmap1;
40        private float[] mVertices;
41        private int[] mColors;
42
43        BitmapMeshView(Context c) {
44            super(c);
45
46            mBitmap1 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset1);
47
48            final float width = mBitmap1.getWidth() / 3.0f;
49            final float height = mBitmap1.getHeight() / 3.0f;
50
51            mVertices = new float[] {
52                0.0f, 0.0f, width, 0.0f, width * 2, 0.0f, width * 3, 0.0f,
53                0.0f, height, width, height, width * 2, height, width * 4, height,
54                0.0f, height * 2, width, height * 2, width * 2, height * 2, width * 3, height * 2,
55                0.0f, height * 4, width, height * 4, width * 2, height * 4, width * 4, height * 4,
56            };
57
58            mColors = new int[] {
59                0xffff0000, 0xff00ff00, 0xff0000ff, 0xffff0000,
60                0xff0000ff, 0xffff0000, 0xff00ff00, 0xff00ff00,
61                0xff00ff00, 0xff0000ff, 0xffff0000, 0xff00ff00,
62                0x00ff0000, 0x0000ff00, 0x000000ff, 0x00ff0000,
63            };
64        }
65
66        @Override
67        protected void onDraw(Canvas canvas) {
68            super.onDraw(canvas);
69
70            canvas.drawARGB(255, 255, 255, 255);
71
72            canvas.translate(100, 100);
73            canvas.drawBitmapMesh(mBitmap1, 3, 3, mVertices, 0, null, 0, null);
74
75            canvas.save();
76            canvas.translate(0, 400);
77            canvas.clipRect(0.0f, 0.0f, 80.0f, 80.0f);
78            canvas.drawBitmapMesh(mBitmap1, 3, 3, mVertices, 0, null, 0, null);
79            canvas.restore();
80
81            canvas.translate(400, 0);
82            canvas.drawBitmapMesh(mBitmap1, 3, 3, mVertices, 0, mColors, 0, null);
83        }
84    }
85}
86