| // Copyright 2025 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "remoting/protocol/coordinate_conversion.h" |
| |
| namespace remoting::protocol { |
| |
| namespace { |
| |
| float CalculateFractionalCoordinate(int val, int size) { |
| if (size <= 1) { |
| return 0.f; |
| } |
| // Clamp to prevent bogus values, in case the coordinates are out-of-sync with |
| // the display config. |
| return std::clamp(static_cast<float>(val) / (size - 1), 0.f, 1.f); |
| } |
| |
| } // namespace |
| |
| FractionalCoordinate ToFractionalCoordinate( |
| webrtc::ScreenId screen_id, |
| const webrtc::DesktopSize& screen_size, |
| const webrtc::DesktopVector& coordinate) { |
| FractionalCoordinate fractional; |
| fractional.set_screen_id(screen_id); |
| fractional.set_x( |
| CalculateFractionalCoordinate(coordinate.x(), screen_size.width())); |
| fractional.set_y( |
| CalculateFractionalCoordinate(coordinate.y(), screen_size.height())); |
| return fractional; |
| } |
| |
| } // namespace remoting::protocol |
