1 /* 2 * Copyright (C) 2015 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.cts.view; 18 19 import android.graphics.Canvas; 20 import android.view.SurfaceHolder; 21 22 /** 23 * Defines what should be drawn to a given {@link RenderedSurfaceView} for every frame. 24 */ 25 public interface SurfaceRenderer { 26 27 /** 28 * Draws a single frame onto the canvas of a {@link RenderedSurfaceView}. 29 * 30 * @param surfaceCanvas the locked surface canvas corresponding to a single 31 * {@link SurfaceHolder}. 32 */ onDrawFrame(Canvas surfaceCanvas)33 void onDrawFrame(Canvas surfaceCanvas); 34 } 35