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      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 
     17 package com.android.test.hwui;
     18 
     19 import android.app.Activity;
     20 import android.content.Context;
     21 import android.graphics.Bitmap;
     22 import android.graphics.BitmapFactory;
     23 import android.graphics.Canvas;
     24 import android.graphics.Paint;
     25 import android.os.Bundle;
     26 import android.view.View;
     27 
     28 @SuppressWarnings({"UnusedDeclaration"})
     29 public 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