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Code Issues Releases Wiki Activity

Implement progressive jpeg loading and sending.

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This commit is contained in:
John Preston
2020-08-26 17:28:56 +04:00
parent 0888901d79
commit 437c9320cd
22 changed files with 201 additions and 96 deletions
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33
Telegram/SourceFiles/storage/localimageloader.cpp
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@@ -32,6 +32,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
#include "app.h"
#include <QtCore/QBuffer>
#include <QtGui/QImageWriter>
namespace {
@@ -202,17 +203,23 @@ SendMediaReady PreparePeerPhoto(MTP::DcId dcId, PeerId peerId, QImage &&image) {
Qt::KeepAspectRatio,
Qt::SmoothTransformation);
};
const auto push = [&](const char *type, QImage &&image) {
const auto push = [&](
const char *type,
QImage &&image,
QByteArray bytes = QByteArray()) {
photoSizes.push_back(MTP_photoSize(
MTP_string(type),
MTP_fileLocationToBeDeprecated(MTP_long(0), MTP_int(0)),
MTP_int(image.width()),
MTP_int(image.height()), MTP_int(0)));
photoThumbs.emplace(type[0], std::move(image));
photoThumbs.emplace(type[0], PreparedPhotoThumb{
.image = std::move(image),
.bytes = std::move(bytes)
});
};
push("a", scaled(160));
push("b", scaled(320));
push("c", std::move(image));
push("c", std::move(image), jpeg);
const auto id = rand_value<PhotoId>();
const auto photo = MTP_photo(
@@ -467,6 +474,7 @@ void FileLoadResult::setFileData(const QByteArray &filedata) {
void FileLoadResult::setThumbData(const QByteArray &thumbdata) {
if (!thumbdata.isEmpty()) {
thumbbytes = thumbdata;
int32 size = thumbdata.size();
for (int32 i = 0, part = 0; i < size; i += kPhotoUploadPartSize, ++part) {
thumbparts.insert(part, thumbdata.mid(i, kPhotoUploadPartSize));
@@ -864,17 +872,22 @@ void FileLoadTask::process() {
attributes.push_back(MTP_documentAttributeAnimated());
} else if (_type != SendMediaType::File) {
auto medium = (w > 320 || h > 320) ? fullimage.scaled(320, 320, Qt::KeepAspectRatio, Qt::SmoothTransformation) : fullimage;
photoThumbs.emplace('m', medium);
photoSizes.push_back(MTP_photoSize(MTP_string("m"), MTP_fileLocationToBeDeprecated(MTP_long(0), MTP_int(0)), MTP_int(medium.width()), MTP_int(medium.height()), MTP_int(0)));
auto full = (w > 1280 || h > 1280) ? fullimage.scaled(1280, 1280, Qt::KeepAspectRatio, Qt::SmoothTransformation) : fullimage;
photoThumbs.emplace('y', full);
photoSizes.push_back(MTP_photoSize(MTP_string("y"), MTP_fileLocationToBeDeprecated(MTP_long(0), MTP_int(0)), MTP_int(full.width()), MTP_int(full.height()), MTP_int(0)));
{
QBuffer buffer(&filedata);
full.save(&buffer, "JPG", 87);
QImageWriter writer(&buffer, "JPEG");
writer.setQuality(87);
writer.setProgressiveScanWrite(true);
writer.write(full);
}
photoThumbs.emplace('m', PreparedPhotoThumb{ .image = medium });
photoSizes.push_back(MTP_photoSize(MTP_string("m"), MTP_fileLocationToBeDeprecated(MTP_long(0), MTP_int(0)), MTP_int(medium.width()), MTP_int(medium.height()), MTP_int(0)));
photoThumbs.emplace('y', PreparedPhotoThumb{
.image = full,
.bytes = filedata
});
photoSizes.push_back(MTP_photoSize(MTP_string("y"), MTP_fileLocationToBeDeprecated(MTP_long(0), MTP_int(0)), MTP_int(full.width()), MTP_int(full.height()), MTP_int(0)));
photo = MTP_photo(
MTP_flags(0),