tdesktop/Telegram/SourceFiles/ui/userpic_view.cpp

82 lines
1.9 KiB
C++

/*
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 "ui/userpic_view.h"
#include "ui/empty_userpic.h"
#include "ui/image/image_prepare.h"
namespace Ui {
float64 ForumUserpicRadiusMultiplier() {
return 0.3;
}
bool PeerUserpicLoading(const PeerUserpicView &view) {
return view.cloud && view.cloud->isNull();
}
void ValidateUserpicCache(
PeerUserpicView &view,
const QImage *cloud,
const EmptyUserpic *empty,
int size,
bool forum) {
Expects(cloud != nullptr || empty != nullptr);
const auto full = QSize(size, size);
const auto version = style::PaletteVersion();
const auto forumValue = forum ? 1 : 0;
const auto regenerate = (view.cached.size() != QSize(size, size))
|| (view.forum != forumValue)
|| (cloud && !view.empty.null())
|| (empty && empty != view.empty.get())
|| (empty && view.paletteVersion != version);
if (!regenerate) {
return;
}
view.empty = empty;
view.forum = forumValue;
view.paletteVersion = version;
if (cloud) {
view.cached = cloud->scaled(
full,
Qt::IgnoreAspectRatio,
Qt::SmoothTransformation);
if (forum) {
view.cached = Images::Round(
std::move(view.cached),
Images::CornersMask(size
* Ui::ForumUserpicRadiusMultiplier()
/ style::DevicePixelRatio()));
} else {
view.cached = Images::Circle(std::move(view.cached));
}
} else {
if (view.cached.size() != full) {
view.cached = QImage(full, QImage::Format_ARGB32_Premultiplied);
}
view.cached.fill(Qt::transparent);
auto p = QPainter(&view.cached);
if (forum) {
empty->paintRounded(
p,
0,
0,
size,
size,
size * Ui::ForumUserpicRadiusMultiplier());
} else {
empty->paintCircle(p, 0, 0, size, size);
}
}
}
} // namespace Ui