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1 /* | 1 /* |
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_RGBA_COLOR_H_ | 11 #ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_RGBA_COLOR_H_ |
12 #define WEBRTC_MODULES_DESKTOP_CAPTURE_RGBA_COLOR_H_ | 12 #define WEBRTC_MODULES_DESKTOP_CAPTURE_RGBA_COLOR_H_ |
13 | 13 |
14 #include <stdint.h> | 14 #include <stdint.h> |
15 | 15 |
16 #include "webrtc/modules/desktop_capture/desktop_frame.h" | 16 #include "webrtc/modules/desktop_capture/desktop_frame.h" |
17 | 17 |
18 namespace webrtc { | 18 namespace webrtc { |
19 | 19 |
20 // A four-byte structure to store a color in BGRA format. This structure also | 20 // A four-byte structure to store a color in BGRA format. This structure also |
21 // provides functions to be created from uint8_t array, say, | 21 // provides functions to be created from uint8_t array, say, |
22 // DesktopFrame::data(). It always uses BGRA order for internal storage to match | 22 // DesktopFrame::data(). It always uses BGRA order for internal storage to match |
23 // DesktopFrame::data(). | 23 // DesktopFrame::data(). |
24 // | |
25 // This struct is for testing purpose only, and should not be used in production | |
26 // logic. | |
27 struct RgbaColor final { | 24 struct RgbaColor final { |
28 // Creates a color with BGRA channels. | 25 // Creates a color with BGRA channels. |
29 RgbaColor(uint8_t blue, uint8_t green, uint8_t red, uint8_t alpha); | 26 RgbaColor(uint8_t blue, uint8_t green, uint8_t red, uint8_t alpha); |
30 | 27 |
31 // Creates a color with BGR channels, and set alpha channel to 255 (opaque). | 28 // Creates a color with BGR channels, and set alpha channel to 255 (opaque). |
32 RgbaColor(uint8_t blue, uint8_t green, uint8_t red); | 29 RgbaColor(uint8_t blue, uint8_t green, uint8_t red); |
33 | 30 |
34 // Creates a color from four-byte in BGRA order, i.e. DesktopFrame::data(). | 31 // Creates a color from four-byte in BGRA order, i.e. DesktopFrame::data(). |
35 explicit RgbaColor(const uint8_t* bgra); | 32 explicit RgbaColor(const uint8_t* bgra); |
36 | 33 |
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53 uint8_t red; | 50 uint8_t red; |
54 uint8_t alpha; | 51 uint8_t alpha; |
55 }; | 52 }; |
56 static_assert( | 53 static_assert( |
57 DesktopFrame::kBytesPerPixel == sizeof(RgbaColor), | 54 DesktopFrame::kBytesPerPixel == sizeof(RgbaColor), |
58 "A pixel in DesktopFrame should be safe to be represented by a RgbaColor"); | 55 "A pixel in DesktopFrame should be safe to be represented by a RgbaColor"); |
59 | 56 |
60 } // namespace webrtc | 57 } // namespace webrtc |
61 | 58 |
62 #endif // WEBRTC_MODULES_DESKTOP_CAPTURE_RGBA_COLOR_H_ | 59 #endif // WEBRTC_MODULES_DESKTOP_CAPTURE_RGBA_COLOR_H_ |
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