PixelFormat.cpp revision d31824004277f554000417cea349d69f18655e95 
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// ----------------------------------------------------------------------------
20namespace android {
21// ----------------------------------------------------------------------------
22
23uint32_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        case PIXEL_FORMAT_sRGB_A_8888:
29        case PIXEL_FORMAT_sRGB_X_8888:
30            return 4;
31        case PIXEL_FORMAT_RGB_888:
32            return 3;
33        case PIXEL_FORMAT_RGB_565:
34        case PIXEL_FORMAT_RGBA_5551:
35        case PIXEL_FORMAT_RGBA_4444:
36            return 2;
37    }
38    return 0;
39}
40
41uint32_t bitsPerPixel(PixelFormat format) {
42    switch (format) {
43        case PIXEL_FORMAT_RGBA_8888:
44        case PIXEL_FORMAT_RGBX_8888:
45        case PIXEL_FORMAT_BGRA_8888:
46            return 32;
47        case PIXEL_FORMAT_RGB_888:
48            return 24;
49        case PIXEL_FORMAT_RGB_565:
50        case PIXEL_FORMAT_RGBA_5551:
51        case PIXEL_FORMAT_RGBA_4444:
52            return 16;
53    }
54    return 0;
55}
56
57// ----------------------------------------------------------------------------
58}; // namespace android
59// ----------------------------------------------------------------------------
60
61