101 lines
2.5 KiB
C++
101 lines
2.5 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 "editor/scene_item_sticker.h"
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#include "app.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 "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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rpl::producer<float64> zoomValue,
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std::shared_ptr<float64> zPtr,
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int size,
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int x,
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int y)
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: ItemBase(std::move(zoomValue), std::move(zPtr), size, x, y)
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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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setAspectRatio(_pixmap.isNull()
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? 1.0
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: (_pixmap.height() / float64(_pixmap.width())));
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});
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if (stickerData->animated) {
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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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_pixmap = App::pixmapFromImageInPlace(
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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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}
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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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_pixmap = sticker->pixNoCache(
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sticker->width() * cIntRetinaFactor(),
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sticker->height() * cIntRetinaFactor(),
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Images::Option::Smooth);
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_pixmap.setDevicePixelRatio(cRetinaFactor());
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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::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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MTPInputDocument ItemSticker::sticker() const {
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return _document->mtpInput();
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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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} // namespace Editor
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