100 lines
2.0 KiB
C++
100 lines
2.0 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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#pragma once
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namespace Data {
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struct FileOrigin;
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class LocationPoint {
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public:
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LocationPoint() = default;
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explicit LocationPoint(const MTPDgeoPoint &point)
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: _lat(point.vlat().v)
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, _lon(point.vlong().v)
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, _access(point.vaccess_hash().v) {
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}
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QString latAsString() const {
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return AsString(_lat);
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}
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QString lonAsString() const {
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return AsString(_lon);
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}
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MTPGeoPoint toMTP() const {
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return MTP_geoPoint(
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MTP_double(_lon),
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MTP_double(_lat),
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MTP_long(_access));
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}
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float64 lat() const {
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return _lat;
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}
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float64 lon() const {
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return _lon;
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}
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uint64 accessHash() const {
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return _access;
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}
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inline size_t hash() const {
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#ifndef OS_MAC_OLD
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return QtPrivate::QHashCombine().operator()(
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std::hash<float64>()(_lat),
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_lon);
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#else // OS_MAC_OLD
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const auto h1 = std::hash<float64>()(_lat);
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const auto h2 = std::hash<float64>()(_lon);
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return ((h1 << 16) | (h1 >> 16)) ^ h2;
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#endif // OS_MAC_OLD
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}
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private:
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static QString AsString(float64 value) {
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constexpr auto kPrecision = 6;
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return QString::number(value, 'f', kPrecision);
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}
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friend inline bool operator==(const LocationPoint &a, const LocationPoint &b) {
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return (a._lat == b._lat) && (a._lon == b._lon);
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}
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friend inline bool operator<(const LocationPoint &a, const LocationPoint &b) {
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return (a._lat < b._lat) || ((a._lat == b._lat) && (a._lon < b._lon));
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}
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float64 _lat = 0;
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float64 _lon = 0;
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uint64 _access = 0;
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};
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struct LocationThumbnail {
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LocationThumbnail(const LocationPoint &point);
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LocationPoint point;
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ImagePtr thumb;
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void load(FileOrigin origin);
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};
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} // namespace Data
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namespace std {
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template <>
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struct hash<Data::LocationPoint> {
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size_t operator()(const Data::LocationPoint &value) const {
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return value.hash();
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}
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};
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} // namespace std
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