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.icons; 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 /** 25 * Interface representing a bitmap draw operation. 26 */ 27 public interface BitmapRenderer { 28 29 boolean USE_HARDWARE_BITMAP = Build.VERSION.SDK_INT >= Build.VERSION_CODES.P; 30 createSoftwareBitmap(int width, int height, BitmapRenderer renderer)31 static Bitmap createSoftwareBitmap(int width, int height, BitmapRenderer renderer) { 32 Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 33 renderer.draw(new Canvas(result)); 34 return result; 35 } 36 37 @TargetApi(Build.VERSION_CODES.P) createHardwareBitmap(int width, int height, BitmapRenderer renderer)38 static Bitmap createHardwareBitmap(int width, int height, BitmapRenderer renderer) { 39 if (!USE_HARDWARE_BITMAP) { 40 return createSoftwareBitmap(width, height, renderer); 41 } 42 43 Picture picture = new Picture(); 44 renderer.draw(picture.beginRecording(width, height)); 45 picture.endRecording(); 46 return Bitmap.createBitmap(picture); 47 } 48 draw(Canvas out)49 void draw(Canvas out); 50 } 51