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Code Issues Releases Wiki Activity

Support blurred backgrounds.

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This commit is contained in:
John Preston
2019-02-06 17:38:37 +03:00
parent e7043c4d63
commit fe21b5a502
6 changed files with 277 additions and 9 deletions
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19
Telegram/SourceFiles/boxes/background_box.cpp
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@@ -514,7 +514,10 @@ void BackgroundPreviewBox::paintImage(Painter &p) {
(size - height()) / 2 * factor,
size * factor,
height() * factor);
p.drawPixmap(rect(), _scaled, from);
p.drawPixmap(
rect(),
(!_blurred.isNull() && _paper.isBlurred()) ? _blurred : _scaled,
from);
}
void BackgroundPreviewBox::paintRadial(Painter &p, TimeMs ms) {
@@ -621,9 +624,12 @@ bool BackgroundPreviewBox::setScaledFromThumb() {
return true;
}
void BackgroundPreviewBox::setScaledFromImage(QImage &&image) {
void BackgroundPreviewBox::setScaledFromImage(
QImage &&image,
QImage &&blurred) {
updateServiceBg(Window::Theme::CountAverageColor(image));
_scaled = App::pixmapFromImageInPlace(std::move(image));
_blurred = App::pixmapFromImageInPlace(std::move(blurred));
}
void BackgroundPreviewBox::updateServiceBg(std::optional<QColor> background) {
@@ -655,16 +661,23 @@ void BackgroundPreviewBox::checkLoadedDocument() {
guard = std::move(right)
]() mutable {
auto scaled = PrepareScaledFromFull(image, patternBackground);
const auto ms = getms();
auto blurred = patternBackground
? QImage()
: PrepareScaledNonPattern(
Data::PrepareBlurredBackground(image),
Images::Option(0));
crl::on_main([
this,
image = std::move(image),
scaled = std::move(scaled),
blurred = std::move(blurred),
guard = std::move(guard)
]() mutable {
if (!guard) {
return;
}
setScaledFromImage(std::move(scaled));
setScaledFromImage(std::move(scaled), std::move(blurred));
_full = std::move(image);
update();
});

4
Telegram/SourceFiles/boxes/background_box.h
View File

@@ -67,7 +67,7 @@ private:
void checkLoadedDocument();
bool setScaledFromThumb();
void setScaledFromImage(QImage &&image);
void setScaledFromImage(QImage &&image, QImage &&blurred = QImage());
void updateServiceBg(std::optional<QColor> background);
std::optional<QColor> patternBackgroundColor() const;
void paintImage(Painter &p);
@@ -79,7 +79,7 @@ private:
AdminLog::OwnedItem _text2;
Data::WallPaper _paper;
QImage _full;
QPixmap _scaled;
QPixmap _scaled, _blurred;
Ui::RadialAnimation _radial;
base::binary_guard _generating;
std::optional<QColor> _serviceBg;