tdesktop/Telegram/SourceFiles/chat_helpers/stickers_lottie.cpp

239 lines
6.4 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop application for the Telegram messaging service.
For license and copyright information please follow this link:
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
*/
#include "chat_helpers/stickers_lottie.h"
#include "lottie/lottie_single_player.h"
#include "lottie/lottie_multi_player.h"
#include "data/stickers/data_stickers_set.h"
#include "data/data_document.h"
#include "data/data_document_media.h"
#include "data/data_session.h"
#include "data/data_file_origin.h"
#include "storage/cache/storage_cache_database.h"
#include "ui/effects/path_shift_gradient.h"
#include "main/main_session.h"
namespace ChatHelpers {
namespace {
constexpr auto kDontCacheLottieAfterArea = 512 * 512;
} // namespace
template <typename Method>
auto LottieCachedFromContent(
Method &&method,
Storage::Cache::Key baseKey,
uint8 keyShift,
not_null<Main::Session*> session,
const QByteArray &content,
QSize box) {
const auto key = Storage::Cache::Key{
baseKey.high,
baseKey.low + keyShift
};
const auto get = [=](FnMut<void(QByteArray &&cached)> handler) {
session->data().cacheBigFile().get(
key,
std::move(handler));
};
const auto weak = base::make_weak(session.get());
const auto put = [=](QByteArray &&cached) {
crl::on_main(weak, [=, data = std::move(cached)]() mutable {
weak->data().cacheBigFile().put(key, std::move(data));
});
};
return method(
get,
put,
content,
Lottie::FrameRequest{ box });
}
template <typename Method>
auto LottieFromDocument(
Method &&method,
not_null<Data::DocumentMedia*> media,
uint8 keyShift,
QSize box) {
const auto document = media->owner();
const auto data = media->bytes();
const auto filepath = document->filepath();
if (box.width() * box.height() > kDontCacheLottieAfterArea) {
// Don't use frame caching for large stickers.
return method(
Lottie::ReadContent(data, filepath),
Lottie::FrameRequest{ box });
}
if (const auto baseKey = document->bigFileBaseCacheKey()) {
return LottieCachedFromContent(
std::forward<Method>(method),
baseKey,
keyShift,
&document->session(),
Lottie::ReadContent(data, filepath),
box);
}
return method(
Lottie::ReadContent(data, filepath),
Lottie::FrameRequest{ box });
}
std::unique_ptr<Lottie::SinglePlayer> LottiePlayerFromDocument(
not_null<Data::DocumentMedia*> media,
StickerLottieSize sizeTag,
QSize box,
Lottie::Quality quality,
std::shared_ptr<Lottie::FrameRenderer> renderer) {
return LottiePlayerFromDocument(
media,
nullptr,
sizeTag,
box,
quality,
std::move(renderer));
}
std::unique_ptr<Lottie::SinglePlayer> LottiePlayerFromDocument(
not_null<Data::DocumentMedia*> media,
const Lottie::ColorReplacements *replacements,
StickerLottieSize sizeTag,
QSize box,
Lottie::Quality quality,
std::shared_ptr<Lottie::FrameRenderer> renderer) {
const auto method = [&](auto &&...args) {
return std::make_unique<Lottie::SinglePlayer>(
std::forward<decltype(args)>(args)...,
quality,
replacements,
std::move(renderer));
};
const auto tag = replacements ? replacements->tag : uint8(0);
const auto keyShift = ((tag << 4) & 0xF0) | (uint8(sizeTag) & 0x0F);
return LottieFromDocument(method, media, uint8(keyShift), box);
}
not_null<Lottie::Animation*> LottieAnimationFromDocument(
not_null<Lottie::MultiPlayer*> player,
not_null<Data::DocumentMedia*> media,
StickerLottieSize sizeTag,
QSize box) {
const auto method = [&](auto &&...args) {
return player->append(std::forward<decltype(args)>(args)...);
};
return LottieFromDocument(method, media, uint8(sizeTag), box);
}
bool HasLottieThumbnail(
Data::StickersSetThumbnailView *thumb,
Data::DocumentMedia *media) {
if (thumb) {
return !thumb->content().isEmpty();
} else if (!media) {
return false;
}
const auto document = media->owner();
if (const auto info = document->sticker()) {
if (!info->animated) {
return false;
}
media->automaticLoad(document->stickerSetOrigin(), nullptr);
if (!media->loaded()) {
return false;
}
return document->bigFileBaseCacheKey().valid();
}
return false;
}
std::unique_ptr<Lottie::SinglePlayer> LottieThumbnail(
Data::StickersSetThumbnailView *thumb,
Data::DocumentMedia *media,
StickerLottieSize sizeTag,
QSize box,
std::shared_ptr<Lottie::FrameRenderer> renderer) {
const auto baseKey = thumb
? thumb->owner()->thumbnailBigFileBaseCacheKey()
: media
? media->owner()->bigFileBaseCacheKey()
: Storage::Cache::Key();
if (!baseKey) {
return nullptr;
}
const auto content = thumb
? thumb->content()
: Lottie::ReadContent(media->bytes(), media->owner()->filepath());
if (content.isEmpty()) {
return nullptr;
}
const auto method = [](auto &&...args) {
return std::make_unique<Lottie::SinglePlayer>(
std::forward<decltype(args)>(args)...);
};
const auto session = thumb
? &thumb->owner()->session()
: media
? &media->owner()->session()
: nullptr;
return LottieCachedFromContent(
method,
baseKey,
uint8(sizeTag),
session,
content,
box);
}
bool PaintStickerThumbnailPath(
QPainter &p,
not_null<Data::DocumentMedia*> media,
QRect target,
QLinearGradient *gradient) {
const auto &path = media->thumbnailPath();
const auto dimensions = media->owner()->dimensions;
if (path.isEmpty() || dimensions.isEmpty() || target.isEmpty()) {
return false;
}
p.save();
auto hq = PainterHighQualityEnabler(p);
p.setPen(Qt::NoPen);
p.translate(target.topLeft());
if (gradient) {
const auto scale = dimensions.width() / float64(target.width());
const auto shift = p.worldTransform().dx();
gradient->setStart((gradient->start().x() - shift) * scale, 0);
gradient->setFinalStop(
(gradient->finalStop().x() - shift) * scale,
0);
p.setBrush(*gradient);
}
p.scale(
target.width() / float64(dimensions.width()),
target.height() / float64(dimensions.height()));
p.drawPath(path);
p.restore();
return true;
}
bool PaintStickerThumbnailPath(
QPainter &p,
not_null<Data::DocumentMedia*> media,
QRect target,
not_null<Ui::PathShiftGradient*> gradient) {
return gradient->paint([&](const Ui::PathShiftGradient::Background &bg) {
if (const auto color = std::get_if<style::color>(&bg)) {
p.setBrush(*color);
return PaintStickerThumbnailPath(p, media, target);
}
const auto gradient = v::get<QLinearGradient*>(bg);
return PaintStickerThumbnailPath(p, media, target, gradient);
});
}
} // namespace ChatHelpers