graouts@webkit.org | 4fdd873 | 2021-11-18 19:38:01 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2021 Apple Inc. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| 17 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 18 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 19 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 20 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 21 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #pragma once |
| 27 | |
| 28 | #include <optional> |
| 29 | |
| 30 | namespace WebCore { |
| 31 | |
| 32 | struct HTMLModelElementCamera { |
| 33 | double pitch { 0 }; |
| 34 | double yaw { 0 }; |
| 35 | double scale { 1 }; |
| 36 | |
| 37 | template<class Encoder> void encode(Encoder&) const; |
| 38 | template<class Decoder> static std::optional<HTMLModelElementCamera> decode(Decoder&); |
| 39 | }; |
| 40 | |
| 41 | template<class Encoder> void HTMLModelElementCamera::encode(Encoder& encoder) const |
| 42 | { |
| 43 | encoder << pitch; |
| 44 | encoder << yaw; |
| 45 | encoder << scale; |
| 46 | } |
| 47 | |
| 48 | template<class Decoder> std::optional<HTMLModelElementCamera> HTMLModelElementCamera::decode(Decoder& decoder) |
| 49 | { |
| 50 | std::optional<double> pitch; |
| 51 | decoder >> pitch; |
| 52 | if (!pitch) |
| 53 | return std::nullopt; |
| 54 | |
| 55 | std::optional<double> yaw; |
| 56 | decoder >> yaw; |
| 57 | if (!yaw) |
| 58 | return std::nullopt; |
| 59 | |
| 60 | std::optional<double> scale; |
| 61 | decoder >> scale; |
| 62 | if (!scale) |
| 63 | return std::nullopt; |
| 64 | |
| 65 | return { { *pitch, *yaw, *scale } }; |
| 66 | } |
| 67 | |
| 68 | } // namespace WebCore |
| 69 | |