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Code Issues Releases Wiki Activity

Try using progressive jpeg photo size.

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This commit is contained in:
John Preston
2020-08-25 22:03:41 +04:00
parent 55edb3bdfe
commit 0888901d79
17 changed files with 198 additions and 63 deletions
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45
Telegram/SourceFiles/data/data_photo.cpp
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@@ -82,12 +82,30 @@ int PhotoData::validSizeIndex(PhotoSize size) const {
return PhotoSizeIndex(PhotoSize::Large);
}
int PhotoData::existingSizeIndex(PhotoSize size) const {
const auto index = PhotoSizeIndex(size);
for (auto i = index; i != kPhotoSizeCount; ++i) {
if (_images[i].location.valid() || _images[i].progressivePartSize) {
return i;
}
}
return PhotoSizeIndex(PhotoSize::Large);
}
bool PhotoData::hasExact(PhotoSize size) const {
return _images[PhotoSizeIndex(size)].location.valid();
}
bool PhotoData::loading(PhotoSize size) const {
return (_images[validSizeIndex(size)].loader != nullptr);
const auto valid = validSizeIndex(size);
const auto existing = existingSizeIndex(size);
if (!_images[valid].loader) {
return false;
} else if (valid == existing) {
return true;
}
return (_images[valid].loader->fullSize()
>= _images[existing].progressivePartSize);
}
bool PhotoData::failed(PhotoSize size) const {
@@ -117,6 +135,10 @@ std::optional<QSize> PhotoData::size(PhotoSize size) const {
}
int PhotoData::imageByteSize(PhotoSize size) const {
const auto existing = existingSizeIndex(size);
if (const auto result = _images[existing].progressivePartSize) {
return result;
}
return _images[validSizeIndex(size)].byteSize;
}
@@ -235,10 +257,12 @@ void PhotoData::load(
Data::FileOrigin origin,
LoadFromCloudSetting fromCloud,
bool autoLoading) {
const auto index = validSizeIndex(size);
const auto valid = validSizeIndex(size);
const auto existing = existingSizeIndex(size);
// Could've changed, if the requested size didn't have a location.
const auto loadingSize = static_cast<PhotoSize>(index);
const auto validSize = static_cast<PhotoSize>(valid);
const auto existingSize = static_cast<PhotoSize>(existing);
const auto finalCheck = [=] {
if (const auto active = activeMediaView()) {
return !active->image(size);
@@ -247,25 +271,25 @@ void PhotoData::load(
};
const auto done = [=](QImage result) {
if (const auto active = activeMediaView()) {
active->set(loadingSize, std::move(result));
active->set(validSize, existingSize, std::move(result));
}
if (loadingSize == PhotoSize::Large) {
if (validSize == PhotoSize::Large) {
_owner->photoLoadDone(this);
}
};
const auto fail = [=](bool started) {
if (loadingSize == PhotoSize::Large) {
if (validSize == PhotoSize::Large) {
_owner->photoLoadFail(this, started);
}
};
const auto progress = [=] {
if (loadingSize == PhotoSize::Large) {
if (validSize == PhotoSize::Large) {
_owner->photoLoadProgress(this);
}
};
Data::LoadCloudFile(
&session(),
_images[index],
_images[valid],
origin,
fromCloud,
autoLoading,
@@ -273,7 +297,8 @@ void PhotoData::load(
finalCheck,
done,
fail,
progress);
progress,
_images[existing].progressivePartSize);
if (size == PhotoSize::Large) {
_owner->notifyPhotoLayoutChanged(this);
@@ -313,7 +338,7 @@ void PhotoData::updateImages(
[=](Data::FileOrigin origin) { load(size, origin); },
[=](QImage preloaded) {
if (const auto media = activeMediaView()) {
media->set(size, data.preloaded);
media->set(size, size, data.preloaded);
}
});
};