| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef SIMPLE_H |
| #define SIMPLE_H |
| |
| #include <stdint.h> |
| #include <sys/cdefs.h> |
| #include <sys/types.h> |
| |
| #include <cutils/native_handle.h> |
| |
| #include <hardware/hardware.h> |
| |
| __BEGIN_DECLS |
| |
| #define FORGROUND_COLOR "#133742" |
| #define ACTOR_COLOR "#424242" |
| |
| /* Simple example */ |
| typedef struct simple_t { |
| /** |
| * Common methods of the simple device. |
| */ |
| struct hw_device_t common; |
| |
| /* resolution of the framebuffer's display panel in pixel per inch*/ |
| const float xdpi; |
| const float ydpi; |
| |
| /* framebuffer's display panel refresh rate in frames per second */ |
| const float fps; |
| |
| int (*setSwapInterval)(struct simple_t* window, |
| int interval); |
| |
| /* |
| * This hook is OPTIONAL. |
| */ |
| int (*setUpdateRect)(struct simple_t* window, |
| int left, int top, int width, int height); |
| |
| } simple_t; |
| |
| /* Holds pixel coordinates */ |
| typedef struct { |
| int px; |
| int py; |
| |
| /* |
| * If non NULL it will be caused by SurfaceFlinger on dumpsys |
| */ |
| void (*dump)(struct simple_t* dev, char *buff, int buff_len); |
| |
| } simple_location_t; |
| |
| /** convenience API for coloring */ |
| |
| static inline int showColor(const struct hw_module_t* module, |
| struct simple_t** device) { |
| return module->methods->open(module, |
| FORGROUND_COLOR, (struct simple_t**)device); |
| } |
| |
| static inline int hideColor(struct simple_t* device) { |
| return device->common.close(&device->common); |
| } |
| |
| __END_DECLS |
| |
| #endif // SIMPLE_H |