afb81b8278
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63 lines
1.5 KiB
C++
63 lines
1.5 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 "media/streaming/media_streaming_round_preview.h"
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namespace Media::Streaming {
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RoundPreview::RoundPreview(const QByteArray &bytes, int size)
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: _bytes(bytes)
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, _reader(
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Clip::MakeReader(_bytes, [=](Clip::Notification update) {
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clipCallback(update);
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}))
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, _size(size) {
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}
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std::shared_ptr<Ui::DynamicImage> RoundPreview::clone() {
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Unexpected("RoundPreview::clone.");
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}
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QImage RoundPreview::image(int size) {
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if (!_reader || !_reader->started()) {
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return QImage();
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}
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return _reader->current({
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.frame = QSize(_size, _size),
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.factor = style::DevicePixelRatio(),
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.radius = ImageRoundRadius::Ellipse,
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}, crl::now());
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}
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void RoundPreview::subscribeToUpdates(Fn<void()> callback) {
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_repaint = std::move(callback);
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}
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void RoundPreview::clipCallback(Clip::Notification notification) {
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switch (notification) {
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case Clip::Notification::Reinit: {
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if (_reader->state() == ::Media::Clip::State::Error) {
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_reader.setBad();
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} else if (_reader->ready() && !_reader->started()) {
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_reader->start({
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.frame = QSize(_size, _size),
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.factor = style::DevicePixelRatio(),
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.radius = ImageRoundRadius::Ellipse,
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});
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}
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} break;
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case Clip::Notification::Repaint: break;
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}
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if (const auto onstack = _repaint) {
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onstack();
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}
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}
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} // namespace Media::Streaming
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