310 lines
8.2 KiB
C++
310 lines
8.2 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 "chat_helpers/stickers_lottie.h"
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#include "lottie/lottie_single_player.h"
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#include "lottie/lottie_multi_player.h"
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#include "data/stickers/data_stickers_set.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 "data/data_file_origin.h"
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#include "storage/cache/storage_cache_database.h"
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#include "history/view/media/history_view_media_common.h"
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#include "media/clip/media_clip_reader.h"
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#include "ui/effects/path_shift_gradient.h"
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#include "main/main_session.h"
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namespace ChatHelpers {
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namespace {
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constexpr auto kDontCacheLottieAfterArea = 512 * 512;
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} // namespace
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template <typename Method>
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auto LottieCachedFromContent(
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Method &&method,
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Storage::Cache::Key baseKey,
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uint8 keyShift,
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not_null<Main::Session*> session,
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const QByteArray &content,
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QSize box) {
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const auto key = Storage::Cache::Key{
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baseKey.high,
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baseKey.low + keyShift
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};
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const auto get = [=](FnMut<void(QByteArray &&cached)> handler) {
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session->data().cacheBigFile().get(
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key,
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std::move(handler));
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};
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const auto weak = base::make_weak(session.get());
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const auto put = [=](QByteArray &&cached) {
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crl::on_main(weak, [=, data = std::move(cached)]() mutable {
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weak->data().cacheBigFile().put(key, std::move(data));
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});
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};
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return method(
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get,
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put,
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content,
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Lottie::FrameRequest{ box });
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}
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template <typename Method>
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auto LottieFromDocument(
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Method &&method,
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not_null<Data::DocumentMedia*> media,
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uint8 keyShift,
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QSize box) {
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const auto document = media->owner();
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const auto data = media->bytes();
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const auto filepath = document->filepath();
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if (box.width() * box.height() > kDontCacheLottieAfterArea) {
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// Don't use frame caching for large stickers.
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return method(
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Lottie::ReadContent(data, filepath),
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Lottie::FrameRequest{ box });
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}
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if (const auto baseKey = document->bigFileBaseCacheKey()) {
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return LottieCachedFromContent(
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std::forward<Method>(method),
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baseKey,
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keyShift,
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&document->session(),
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Lottie::ReadContent(data, filepath),
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box);
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}
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return method(
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Lottie::ReadContent(data, filepath),
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Lottie::FrameRequest{ box });
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}
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std::unique_ptr<Lottie::SinglePlayer> LottiePlayerFromDocument(
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not_null<Data::DocumentMedia*> media,
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StickerLottieSize sizeTag,
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QSize box,
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Lottie::Quality quality,
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std::shared_ptr<Lottie::FrameRenderer> renderer) {
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return LottiePlayerFromDocument(
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media,
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nullptr,
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sizeTag,
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box,
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quality,
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std::move(renderer));
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}
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std::unique_ptr<Lottie::SinglePlayer> LottiePlayerFromDocument(
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not_null<Data::DocumentMedia*> media,
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const Lottie::ColorReplacements *replacements,
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StickerLottieSize sizeTag,
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QSize box,
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Lottie::Quality quality,
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std::shared_ptr<Lottie::FrameRenderer> renderer) {
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const auto method = [&](auto &&...args) {
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return std::make_unique<Lottie::SinglePlayer>(
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std::forward<decltype(args)>(args)...,
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quality,
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replacements,
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std::move(renderer));
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};
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const auto tag = replacements ? replacements->tag : uint8(0);
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const auto keyShift = ((tag << 4) & 0xF0) | (uint8(sizeTag) & 0x0F);
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return LottieFromDocument(method, media, uint8(keyShift), box);
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}
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not_null<Lottie::Animation*> LottieAnimationFromDocument(
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not_null<Lottie::MultiPlayer*> player,
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not_null<Data::DocumentMedia*> media,
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StickerLottieSize sizeTag,
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QSize box) {
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const auto method = [&](auto &&...args) {
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return player->append(std::forward<decltype(args)>(args)...);
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};
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return LottieFromDocument(method, media, uint8(sizeTag), box);
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}
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bool HasLottieThumbnail(
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Data::StickersSetFlags flags,
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Data::StickersSetThumbnailView *thumb,
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Data::DocumentMedia *media) {
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if (thumb) {
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return !(flags & Data::StickersSetFlag::Webm)
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&& !thumb->content().isEmpty();
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} else if (!media) {
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return false;
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}
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const auto document = media->owner();
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if (const auto info = document->sticker()) {
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if (!info->isLottie()) {
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return false;
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}
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media->automaticLoad(document->stickerSetOrigin(), nullptr);
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if (!media->loaded()) {
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return false;
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}
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return document->bigFileBaseCacheKey().valid();
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}
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return false;
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}
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std::unique_ptr<Lottie::SinglePlayer> LottieThumbnail(
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Data::StickersSetThumbnailView *thumb,
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Data::DocumentMedia *media,
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StickerLottieSize sizeTag,
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QSize box,
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std::shared_ptr<Lottie::FrameRenderer> renderer) {
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const auto baseKey = thumb
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? thumb->owner()->thumbnailBigFileBaseCacheKey()
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: media
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? media->owner()->bigFileBaseCacheKey()
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: Storage::Cache::Key();
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if (!baseKey) {
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return nullptr;
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}
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const auto content = thumb
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? thumb->content()
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: Lottie::ReadContent(media->bytes(), media->owner()->filepath());
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if (content.isEmpty()) {
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return nullptr;
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}
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const auto method = [](auto &&...args) {
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return std::make_unique<Lottie::SinglePlayer>(
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std::forward<decltype(args)>(args)...);
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};
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const auto session = thumb
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? &thumb->owner()->session()
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: media
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? &media->owner()->session()
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: nullptr;
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return LottieCachedFromContent(
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method,
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baseKey,
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uint8(sizeTag),
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session,
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content,
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box);
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}
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bool HasWebmThumbnail(
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Data::StickersSetFlags flags,
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Data::StickersSetThumbnailView *thumb,
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Data::DocumentMedia *media) {
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if (thumb) {
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return (flags & Data::StickersSetFlag::Webm)
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&& !thumb->content().isEmpty();
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} else if (!media) {
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return false;
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}
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const auto document = media->owner();
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if (const auto info = document->sticker()) {
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if (!info->isWebm()) {
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return false;
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}
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media->automaticLoad(document->stickerSetOrigin(), nullptr);
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if (!media->loaded()) {
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return false;
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}
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return document->bigFileBaseCacheKey().valid();
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}
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return false;
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}
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Media::Clip::ReaderPointer WebmThumbnail(
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Data::StickersSetThumbnailView *thumb,
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Data::DocumentMedia *media,
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Fn<void(Media::Clip::Notification)> callback) {
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return thumb
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? ::Media::Clip::MakeReader(
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thumb->content(),
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std::move(callback))
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: ::Media::Clip::MakeReader(
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media->owner()->location(),
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media->bytes(),
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std::move(callback));
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}
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bool PaintStickerThumbnailPath(
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QPainter &p,
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not_null<Data::DocumentMedia*> media,
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QRect target,
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QLinearGradient *gradient,
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bool mirrorHorizontal) {
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const auto &path = media->thumbnailPath();
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const auto dimensions = media->owner()->dimensions;
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if (path.isEmpty() || dimensions.isEmpty() || target.isEmpty()) {
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return false;
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}
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p.save();
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auto hq = PainterHighQualityEnabler(p);
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p.setPen(Qt::NoPen);
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p.translate(target.topLeft());
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if (gradient) {
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const auto scale = dimensions.width() / float64(target.width());
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const auto shift = p.worldTransform().dx();
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gradient->setStart((gradient->start().x() - shift) * scale, 0);
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gradient->setFinalStop(
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(gradient->finalStop().x() - shift) * scale,
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0);
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p.setBrush(*gradient);
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}
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if (mirrorHorizontal) {
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const auto c = QPointF(target.width() / 2., target.height() / 2.);
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p.translate(c);
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p.scale(-1., 1.);
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p.translate(-c);
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}
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p.scale(
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target.width() / float64(dimensions.width()),
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target.height() / float64(dimensions.height()));
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p.drawPath(path);
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p.restore();
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return true;
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}
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bool PaintStickerThumbnailPath(
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QPainter &p,
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not_null<Data::DocumentMedia*> media,
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QRect target,
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not_null<Ui::PathShiftGradient*> gradient,
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bool mirrorHorizontal) {
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return gradient->paint([&](const Ui::PathShiftGradient::Background &bg) {
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if (const auto color = std::get_if<style::color>(&bg)) {
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p.setBrush(*color);
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return PaintStickerThumbnailPath(
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p,
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media,
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target,
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nullptr,
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mirrorHorizontal);
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}
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const auto gradient = v::get<QLinearGradient*>(bg);
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return PaintStickerThumbnailPath(
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p,
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media,
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target,
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gradient,
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mirrorHorizontal);
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});
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}
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QSize ComputeStickerSize(not_null<DocumentData*> document, QSize box) {
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const auto sticker = document->sticker();
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const auto dimensions = document->dimensions;
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if (!sticker || !sticker->isLottie() || dimensions.isEmpty()) {
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return HistoryView::DownscaledSize(dimensions, box);
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}
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const auto ratio = style::DevicePixelRatio();
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const auto request = Lottie::FrameRequest{ box * ratio };
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return HistoryView::NonEmptySize(request.size(dimensions, 8) / ratio);
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}
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} // namespace ChatHelpers
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