tdesktop/Telegram/SourceFiles/editor/scene/scene_item_sticker.cpp

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