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Remove color space before sending in JPG.

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This commit is contained in:
John Preston 2020-11-16 14:22:19 +03:00
parent 358228ce00
commit 02eea38724
1 changed files with 6 additions and 0 deletions
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6
Telegram/SourceFiles/storage/localimageloader.cpp
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@ -33,6 +33,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#include <QtCore/QBuffer> #include <QtCore/QBuffer>
#include <QtGui/QImageWriter> #include <QtGui/QImageWriter>
#include <QtGui/QColorSpace>
namespace { namespace {
@ -878,6 +879,11 @@ void FileLoadTask::process(Args &&args) {
auto medium = (w > 320 || h > 320) ? fullimage.scaled(320, 320, Qt::KeepAspectRatio, Qt::SmoothTransformation) : fullimage; auto medium = (w > 320 || h > 320) ? fullimage.scaled(320, 320, Qt::KeepAspectRatio, Qt::SmoothTransformation) : fullimage;
auto full = (w > 1280 || h > 1280) ? fullimage.scaled(1280, 1280, Qt::KeepAspectRatio, Qt::SmoothTransformation) : fullimage; auto full = (w > 1280 || h > 1280) ? fullimage.scaled(1280, 1280, Qt::KeepAspectRatio, Qt::SmoothTransformation) : fullimage;
{ {
// We have an example of dark .png image that when being sent without
// removing its color space is displayed fine on tdesktop, but with
// a light gray background on mobile apps.
full.setColorSpace(QColorSpace());
QBuffer buffer(&filedata); QBuffer buffer(&filedata);
QImageWriter writer(&buffer, "JPEG"); QImageWriter writer(&buffer, "JPEG");
writer.setQuality(87); writer.setQuality(87);