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