135 lines
3.4 KiB
C++
135 lines
3.4 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 "editor/scene/scene_item_sticker.h"
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#include "chat_helpers/stickers_lottie.h"
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#include "data/data_document.h"
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#include "data/data_document_media.h"
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#include "data/data_session.h"
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#include "lottie/lottie_common.h"
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#include "lottie/lottie_single_player.h"
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#include "main/main_session.h"
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#include "ui/ui_utility.h"
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#include "styles/style_editor.h"
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namespace Editor {
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namespace {
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} // namespace
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ItemSticker::ItemSticker(
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not_null<DocumentData*> document,
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ItemBase::Data data)
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: ItemBase(std::move(data))
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, _document(document)
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, _mediaView(_document->createMediaView()) {
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const auto stickerData = document->sticker();
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if (!stickerData) {
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return;
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}
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const auto updateThumbnail = [=] {
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const auto guard = gsl::finally([&] {
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if (_pixmap.isNull()) {
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setAspectRatio(1.);
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}
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});
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if (stickerData->isLottie()) {
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_lottie.player = ChatHelpers::LottiePlayerFromDocument(
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_mediaView.get(),
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ChatHelpers::StickerLottieSize::MessageHistory,
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QSize(kStickerSideSize, kStickerSideSize)
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* cIntRetinaFactor(),
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Lottie::Quality::High);
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_lottie.player->updates(
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) | rpl::start_with_next([=] {
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updatePixmap(Ui::PixmapFromImage(
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_lottie.player->frame()));
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_lottie.player = nullptr;
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_lottie.lifetime.destroy();
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update();
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}, _lottie.lifetime);
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return true;
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} else if (stickerData->isWebm()
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&& !_document->dimensions.isEmpty()) {
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const auto callback = [=](::Media::Clip::Notification) {
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const auto size = _document->dimensions;
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if (_webm && _webm->ready() && !_webm->started()) {
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_webm->start({ .frame = size, .keepAlpha = true });
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}
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if (_webm && _webm->started()) {
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updatePixmap(_webm->current(
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{ .frame = size, .keepAlpha = true },
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0));
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_webm = nullptr;
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}
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};
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_webm = ::Media::Clip::MakeReader(
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_mediaView->owner()->location(),
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_mediaView->bytes(),
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callback);
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return true;
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}
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const auto sticker = _mediaView->getStickerLarge();
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if (!sticker) {
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return false;
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}
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const auto ratio = style::DevicePixelRatio();
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auto pixmap = sticker->pixNoCache(sticker->size() * ratio);
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pixmap.setDevicePixelRatio(ratio);
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updatePixmap(std::move(pixmap));
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return true;
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};
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if (!updateThumbnail()) {
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_document->owner().session().downloaderTaskFinished(
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) | rpl::start_with_next([=] {
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if (updateThumbnail()) {
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_loadingLifetime.destroy();
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update();
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}
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}, _loadingLifetime);
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}
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}
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void ItemSticker::updatePixmap(QPixmap &&pixmap) {
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_pixmap = std::move(pixmap);
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if (flipped()) {
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performFlip();
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} else {
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update();
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}
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if (!_pixmap.isNull()) {
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setAspectRatio(_pixmap.height() / float64(_pixmap.width()));
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}
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}
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void ItemSticker::paint(
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QPainter *p,
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const QStyleOptionGraphicsItem *option,
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QWidget *w) {
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p->drawPixmap(contentRect().toRect(), _pixmap);
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ItemBase::paint(p, option, w);
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}
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not_null<DocumentData*> ItemSticker::sticker() const {
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return _document;
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}
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int ItemSticker::type() const {
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return Type;
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}
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void ItemSticker::performFlip() {
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_pixmap = _pixmap.transformed(QTransform().scale(-1, 1));
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update();
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}
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std::shared_ptr<ItemBase> ItemSticker::duplicate(ItemBase::Data data) const {
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return std::make_shared<ItemSticker>(_document, std::move(data));
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}
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} // namespace Editor
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