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Improve large emoji outline.

This commit is contained in:
John Preston 2019-08-05 15:23:20 +01:00
parent 1b1b1780db
commit 57cdef4e6b
1 changed files with 14 additions and 6 deletions
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20
Telegram/SourceFiles/chat_helpers/stickers_emoji_pack.cpp
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@ -282,18 +282,26 @@ QImage EmojiImageLoader::prepare(EmojiPtr emoji) {
{
QPainter p(&result);
const auto delta = st::largeEmojiOutline * factor;
const auto shifts = std::array<QPoint, 8>{ {
{ -1, -1 },
const auto planar = std::array<QPoint, 4>{ {
{ 0, -1 },
{ 1, -1 },
{ -1, 0 },
{ 1, 0 },
{ -1, 1 },
{ 0, 1 },
} };
for (const auto &shift : planar) {
for (auto i = 0; i != delta; ++i) {
p.drawImage(QPoint(delta, delta) + shift * (i + 1), tinted);
}
}
const auto diagonal = std::array<QPoint, 4>{ {
{ -1, -1 },
{ 1, -1 },
{ -1, 1 },
{ 1, 1 },
} };
for (const auto &shift : shifts) {
for (auto i = 0; i != delta; ++i) {
const auto corrected = int(std::round(delta / sqrt(2.)));
for (const auto &shift : diagonal) {
for (auto i = 0; i != corrected; ++i) {
p.drawImage(QPoint(delta, delta) + shift * (i + 1), tinted);
}
}