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 */
34typedef 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 */
59typedef 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
72static 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
78static 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