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