1/*
2 * Copyright 2013 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 ANDROID_SURFACE_FLINGER_COLORIZER_H
18#define ANDROID_SURFACE_FLINGER_COLORIZER_H
19
20#include <utils/String8.h>
21
22namespace android {
23
24// ---------------------------------------------------------------------------
25
26class Colorizer {
27    bool mEnabled;
28public:
29    enum color {
30        RED     = 31,
31        GREEN   = 32,
32        YELLOW  = 33,
33        BLUE    = 34,
34        MAGENTA = 35,
35        CYAN    = 36,
36        WHITE   = 37
37    };
38
39    explicit Colorizer(bool enabled)
40        : mEnabled(enabled) {
41    }
42
43    void colorize(String8& out, color c) {
44        if (mEnabled) {
45            out.appendFormat("\e[%dm", c);
46        }
47    }
48
49    void bold(String8& out) {
50        if (mEnabled) {
51            out.append("\e[1m");
52        }
53    }
54
55    void reset(String8& out) {
56        if (mEnabled) {
57            out.append("\e[0m");
58        }
59    }
60};
61
62// ---------------------------------------------------------------------------
63
64}; // namespace android
65
66
67#endif /* ANDROID_SURFACE_FLINGER_COLORIZER_H */
68