1 /* 2 * Copyright (C) 2017 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 static android.graphics.GraphicBuffer.USAGE_HW_TEXTURE; 20 import static android.graphics.GraphicBuffer.USAGE_SW_READ_NEVER; 21 import static android.graphics.GraphicBuffer.USAGE_SW_WRITE_NEVER; 22 import static android.graphics.GraphicBuffer.USAGE_SW_WRITE_RARELY; 23 24 import android.app.Activity; 25 import android.graphics.Bitmap; 26 import android.graphics.Canvas; 27 import android.graphics.Color; 28 import android.graphics.GraphicBuffer; 29 import android.graphics.Paint; 30 import android.graphics.Picture; 31 import android.graphics.PixelFormat; 32 import android.graphics.SurfaceTexture; 33 import android.os.Bundle; 34 import android.view.DisplayListCanvas; 35 import android.view.RenderNode; 36 import android.view.Surface; 37 import android.view.ThreadedRenderer; 38 import android.widget.ImageView; 39 40 public class DrawIntoHwBitmapActivity extends Activity { 41 @Override onCreate(Bundle savedInstanceState)42 protected void onCreate(Bundle savedInstanceState) { 43 super.onCreate(savedInstanceState); 44 ImageView view = new ImageView(this); 45 view.setScaleType(ImageView.ScaleType.CENTER_INSIDE); 46 setContentView(view); 47 view.setImageBitmap(createBitmap()); 48 } 49 createBitmap()50 Bitmap createBitmap() { 51 Picture picture = new Picture(); 52 Canvas canvas = picture.beginRecording(500, 500); 53 Paint p = new Paint(); 54 p.setColor(Color.BLACK); 55 p.setTextSize(20 * getResources().getDisplayMetrics().density); 56 canvas.drawColor(0xFF2196F3); 57 p.setColor(0xFFBBDEFB); 58 canvas.drawRect(0, 0, 500, 100, p); 59 p.setColor(Color.BLACK); 60 canvas.drawText("Hello, World!", 0, 90, p); 61 picture.endRecording(); 62 return Bitmap.createBitmap(picture); 63 } 64 } 65