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83 lines
2.4 KiB
83 lines
2.4 KiB
/* |
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Copyright © 2015-2018 by The qTox Project Contributors |
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This file is part of qTox, a Qt-based graphical interface for Tox. |
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qTox is libre software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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qTox is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with qTox. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include "videomode.h" |
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/** |
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* @struct VideoMode |
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* @brief Describes a video mode supported by a device. |
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* |
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* @var unsigned short VideoMode::width, VideoMode::height |
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* @brief Displayed video resolution (NOT frame resolution). |
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* |
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* @var unsigned short VideoMode::x, VideoMode::y |
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* @brief Coordinates of upper-left corner. |
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* |
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* @var float VideoMode::FPS |
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* @brief Frames per second supported by the device at this resolution |
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* @note a value < 0 indicates an invalid value |
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*/ |
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VideoMode::VideoMode(int width, int height, int x, int y, float FPS) |
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: width(width) |
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, height(height) |
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, x(x) |
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, y(y) |
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, FPS(FPS) |
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{ |
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} |
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VideoMode::VideoMode(QRect rect) |
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: width(rect.width()) |
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, height(rect.height()) |
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, x(rect.x()) |
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, y(rect.y()) |
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{ |
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} |
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QRect VideoMode::toRect() const |
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{ |
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return QRect(x, y, width, height); |
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} |
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bool VideoMode::operator==(const VideoMode& other) const |
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{ |
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return width == other.width && height == other.height && x == other.x && y == other.y |
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&& qFuzzyCompare(FPS, other.FPS) && pixel_format == other.pixel_format; |
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} |
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uint32_t VideoMode::norm(const VideoMode& other) const |
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{ |
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return qAbs(this->width - other.width) + qAbs(this->height - other.height); |
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} |
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uint32_t VideoMode::tolerance() const |
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{ |
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constexpr uint32_t minTolerance = 300; // keep wider tolerance for low res cameras |
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constexpr uint32_t toleranceFactor = 10; // video mode must be within 10% to be "close enough" to ideal |
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return std::max((width + height)/toleranceFactor, minTolerance); |
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} |
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/** |
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* @brief All zeros means a default/unspecified mode |
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*/ |
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VideoMode::operator bool() const |
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{ |
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return width || height || static_cast<int>(FPS); |
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}
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