1 /* 2 * Copyright (C) 2016 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 #ifndef SIMPLE_H 18 #define SIMPLE_H 19 20 #include <stdint.h> 21 #include <sys/cdefs.h> 22 #include <sys/types.h> 23 24 #include <cutils/native_handle.h> 25 26 #include <hardware/hardware.h> 27 28 __BEGIN_DECLS 29 30 #define FORGROUND_COLOR "#133742" 31 #define ACTOR_COLOR "#424242" 32 33 /* Simple example */ 34 typedef struct simple_t { 35 /** 36 * Common methods of the simple device. 37 */ 38 struct hw_device_t common; 39 40 /* resolution of the framebuffer's display panel in pixel per inch*/ 41 const float xdpi; 42 const float ydpi; 43 44 /* framebuffer's display panel refresh rate in frames per second */ 45 const float fps; 46 47 int (*setSwapInterval)(struct simple_t* window, 48 int interval); 49 50 /* 51 * This hook is OPTIONAL. 52 */ 53 int (*setUpdateRect)(struct simple_t* window, 54 int left, int top, int width, int height); 55 56 } simple_t; 57 58 /* Holds pixel coordinates */ 59 typedef struct { 60 int px; 61 int py; 62 63 /* 64 * If non NULL it will be caused by SurfaceFlinger on dumpsys 65 */ 66 void (*doDump)(int foo, char *buff, int buff_len); 67 68 } simple_location_t; 69 70 /** convenience API for coloring */ 71 72 static inline int showColor(const struct hw_module_t* module, 73 struct simple_t** device) { 74 return module->methods->open(module, 75 FORGROUND_COLOR, (struct simple_t**)device); 76 } 77 78 static inline int hideColor(struct simple_t* device) { 79 return device->common.close(&device->common); 80 } 81 82 __END_DECLS 83 84 #endif // SIMPLE_H 85
