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 package com.android.launcher3.graphics; 17 18 import android.annotation.TargetApi; 19 import android.graphics.Bitmap; 20 import android.graphics.Canvas; 21 import android.graphics.Picture; 22 import android.os.Build; 23 24 import com.android.launcher3.Utilities; 25 26 public class BitmapRenderer { 27 28 public static final boolean USE_HARDWARE_BITMAP = Utilities.ATLEAST_P; 29 createSoftwareBitmap(int width, int height, Renderer renderer)30 public static Bitmap createSoftwareBitmap(int width, int height, Renderer renderer) { 31 Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 32 renderer.draw(new Canvas(result)); 33 return result; 34 } 35 36 @TargetApi(Build.VERSION_CODES.P) createHardwareBitmap(int width, int height, Renderer renderer)37 public static Bitmap createHardwareBitmap(int width, int height, Renderer renderer) { 38 if (!USE_HARDWARE_BITMAP) { 39 return createSoftwareBitmap(width, height, renderer); 40 } 41 42 Picture picture = new Picture(); 43 renderer.draw(picture.beginRecording(width, height)); 44 picture.endRecording(); 45 return Bitmap.createBitmap(picture); 46 } 47 48 /** 49 * Interface representing a bitmap draw operation. 50 */ 51 public interface Renderer { draw(Canvas out)52 void draw(Canvas out); 53 } 54 } 55