50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
/*
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This file is part of Telegram Desktop,
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the official desktop application for the Telegram messaging service.
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For license and copyright information please follow this link:
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https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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*/
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#include "data/data_media_rotation.h"
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namespace Data {
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namespace {
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[[nodiscard]] int NormalizeRotation(int rotation) {
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const auto result = rotation
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- ((rotation / 360) - ((rotation < 0) ? 1 : 0)) * 360;
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Ensures(result >= 0 && result < 360);
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return result;
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}
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} // namespace
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void MediaRotation::set(not_null<PhotoData*> photo, int rotation) {
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if (rotation % 360) {
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_photoRotations[photo] = NormalizeRotation(rotation);
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} else {
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_photoRotations.remove(photo);
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}
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}
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int MediaRotation::get(not_null<PhotoData*> photo) const {
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const auto i = _photoRotations.find(photo);
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return (i != end(_photoRotations)) ? i->second : 0;
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}
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void MediaRotation::set(not_null<DocumentData*> document, int rotation) {
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if (rotation % 360) {
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_documentRotations[document] = NormalizeRotation(rotation);
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} else {
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_documentRotations.remove(document);
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}
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}
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int MediaRotation::get(not_null<DocumentData*> document) const {
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const auto i = _documentRotations.find(document);
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return (i != end(_documentRotations)) ? i->second : 0;
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}
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} // namespace Data
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