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#pragma once
#include "RoomInfoListItem.h"
#include <QDateTime>
#include <mtx/events/collections.hpp>
namespace utils {
using TimelineEvent = mtx::events::collections::TimelineEvents;
//! Human friendly timestamp representation.
QString
descriptiveTime(const QDateTime &then);
//! Generate a message description from the event to be displayed
//! in the RoomList.
DescInfo
getMessageDescription(const TimelineEvent &event, const QString &localUser);
//! Get the first character of a string, taking into account that
//! surrogate pairs might be in use.
QString
firstChar(const QString &input);
//! Get a human readable file size with the appropriate units attached.
QString
humanReadableFileSize(uint64_t bytes);
//! Scale down an image to fit to the given width & height limitations.
template<class ImageType>
ImageType
scaleDown(uint64_t max_width, uint64_t max_height, const ImageType &source)
{
if (source.isNull())
return source;
auto width_ratio = (double)max_width / (double)source.width();
auto height_ratio = (double)max_height / (double)source.height();
auto min_aspect_ratio = std::min(width_ratio, height_ratio);
int final_width = 0;
int final_height = 0;
if (min_aspect_ratio > 1) {
final_width = source.width();
final_height = source.height();
} else {
final_width = source.width() * min_aspect_ratio;
final_height = source.height() * min_aspect_ratio;
}
return source.scaled(
final_width, final_height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
}
}
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