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Implement lossless jpeg progression

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This commit is contained in:
Ilya Fedin
2023-01-09 04:19:59 +04:00
committed by John Preston
parent 5f93725431
commit ce37c6ef08
2 changed files with 10 additions and 4 deletions
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12
Telegram/SourceFiles/storage/localimageloader.cpp
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@@ -183,9 +183,15 @@ struct PreparedFileThumbnail {
if (!bytes.isEmpty()
&& (bytes.size()
<= full.width() * full.height() * kRecompressAfterBpp / 8)
&& (format == u"jpeg"_q)
&& Images::IsProgressiveJpeg(bytes)) {
return bytes;
&& (format == u"jpeg"_q)) {
if (!Images::IsProgressiveJpeg(bytes)) {
if (const auto result = Images::MakeProgressiveJpeg(bytes)
; !result.isEmpty()) {
return result;
}
} else {
return bytes;
}
}
auto result = QByteArray();