93 lines
2.7 KiB
C++
93 lines
2.7 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 "history/view/media/history_view_large_emoji.h"
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#include "main/main_session.h"
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#include "chat_helpers/stickers_emoji_pack.h"
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#include "history/view/history_view_element.h"
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#include "history/history_item.h"
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#include "history/history.h"
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#include "ui/image/image.h"
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#include "data/data_file_origin.h"
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#include "layout.h"
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#include "styles/style_chat.h"
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namespace HistoryView {
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namespace {
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using EmojiImage = Stickers::LargeEmojiImage;
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auto ResolveImages(
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not_null<Main::Session*> session,
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const Ui::Text::IsolatedEmoji &emoji)
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-> std::array<std::shared_ptr<EmojiImage>, Ui::Text::kIsolatedEmojiLimit> {
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const auto single = [&](EmojiPtr emoji) {
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return emoji ? session->emojiStickersPack().image(emoji) : nullptr;
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};
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return { {
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single(emoji.items[0]),
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single(emoji.items[1]),
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single(emoji.items[2]) } };
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}
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auto NonEmpty(const std::array<std::shared_ptr<EmojiImage>, Ui::Text::kIsolatedEmojiLimit> &images) {
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using namespace rpl::mappers;
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return images | ranges::views::filter(_1 != nullptr);
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}
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} // namespace
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LargeEmoji::LargeEmoji(
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not_null<Element*> parent,
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const Ui::Text::IsolatedEmoji &emoji)
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: _parent(parent)
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, _images(ResolveImages(&parent->data()->history()->session(), emoji)) {
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}
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QSize LargeEmoji::size() {
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using namespace rpl::mappers;
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const auto count = ranges::distance(NonEmpty(_images));
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Assert(count > 0);
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const auto single = EmojiImage::Size() / cIntRetinaFactor();
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const auto skip = st::largeEmojiSkip - 2 * st::largeEmojiOutline;
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const auto inner = count * single.width() + (count - 1) * skip;
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const auto &padding = st::largeEmojiPadding;
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_size = QSize(
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padding.left() + inner + padding.right(),
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padding.top() + single.height() + padding.bottom());
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return _size;
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}
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void LargeEmoji::draw(Painter &p, const QRect &r, bool selected) {
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auto &&images = NonEmpty(_images);
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const auto &padding = st::largeEmojiPadding;
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auto x = r.x() + (r.width() - _size.width()) / 2 + padding.left();
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const auto y = r.y() + (r.height() - _size.height()) / 2 + padding.top();
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const auto skip = st::largeEmojiSkip - 2 * st::largeEmojiOutline;
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const auto size = EmojiImage::Size() / cIntRetinaFactor();
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for (const auto &image : images) {
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const auto w = size.width();
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if (const auto &prepared = image->image) {
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const auto h = size.height();
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const auto &c = st::msgStickerOverlay;
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const auto pixmap = selected
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? prepared->pixColored(c, w, h)
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: prepared->pix(w, h);
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p.drawPixmap(x, y, pixmap);
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} else if (image->load) {
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image->load();
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}
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x += w + skip;
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}
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}
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} // namespace HistoryView
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