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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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20
Telegram/SourceFiles/window/themes/window_theme.cpp
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@@ -150,6 +150,10 @@ bool WallPaper::isLocal() const {
return !document() && thumbnail();
}
bool WallPaper::isBlurred() const {
return _settings & MTPDwallPaperSettings::Flag::f_blur;
}
int WallPaper::patternIntensity() const {
return _intensity;
}
@@ -482,6 +486,19 @@ QImage PreparePatternImage(
return image;
}
QImage PrepareBlurredBackground(QImage image) {
constexpr auto kSize = 900;
constexpr auto kRadius = 24;
if (image.width() > kSize || image.height() > kSize) {
image = image.scaled(
kSize,
kSize,
Qt::KeepAspectRatio,
Qt::SmoothTransformation);
}
return Images::BlurLargeImage(image, kRadius);
}
namespace details {
WallPaper UninitializedWallPaper() {
@@ -973,6 +990,9 @@ void ChatBackground::setPreparedImage(QImage original, QImage prepared) {
Expects(prepared.width() > 0 && prepared.height() > 0);
_original = std::move(original);
if (!_paper.isPattern() && _paper.isBlurred()) {
prepared = Data::PrepareBlurredBackground(std::move(prepared));
}
if (adjustPaletteRequired()) {
adjustPaletteUsingBackground(prepared);
}