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