1 /*
2  * Copyright (C) 2007 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 #include <ui/PixelFormat.h>
18 
19 // ----------------------------------------------------------------------------
20 namespace android {
21 // ----------------------------------------------------------------------------
22 
bytesPerPixel(PixelFormat format)23 uint32_t bytesPerPixel(PixelFormat format) {
24     switch (format) {
25         case PIXEL_FORMAT_RGBA_8888:
26         case PIXEL_FORMAT_RGBX_8888:
27         case PIXEL_FORMAT_BGRA_8888:
28             return 4;
29         case PIXEL_FORMAT_RGB_888:
30             return 3;
31         case PIXEL_FORMAT_RGB_565:
32         case PIXEL_FORMAT_RGBA_5551:
33         case PIXEL_FORMAT_RGBA_4444:
34             return 2;
35     }
36     return 0;
37 }
38 
bitsPerPixel(PixelFormat format)39 uint32_t bitsPerPixel(PixelFormat format) {
40     switch (format) {
41         case PIXEL_FORMAT_RGBA_8888:
42         case PIXEL_FORMAT_RGBX_8888:
43         case PIXEL_FORMAT_BGRA_8888:
44             return 32;
45         case PIXEL_FORMAT_RGB_888:
46             return 24;
47         case PIXEL_FORMAT_RGB_565:
48         case PIXEL_FORMAT_RGBA_5551:
49         case PIXEL_FORMAT_RGBA_4444:
50             return 16;
51     }
52     return 0;
53 }
54 
55 // ----------------------------------------------------------------------------
56 }; // namespace android
57 // ----------------------------------------------------------------------------
58