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Code Issues Releases Wiki Activity

Start support of linear gradient wallpapers.

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This commit is contained in:
John Preston
2021-08-12 17:51:44 +03:00
parent 1fd28d5cfb
commit c2b1187948
14 changed files with 379 additions and 227 deletions
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62
Telegram/SourceFiles/boxes/background_preview_box.cpp
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@@ -379,13 +379,17 @@ QImage ColorizePattern(QImage image, QColor color) {
QImage PrepareScaledFromFull(
const QImage &image,
std::optional<QColor> patternBackground,
const std::vector<QColor> &patternBackground,
int gradientRotation,
float64 patternOpacity,
Images::Option blur = Images::Option(0)) {
auto result = PrepareScaledNonPattern(image, blur);
if (patternBackground) {
result = ColorizePattern(
if (!patternBackground.empty()) {
result = Data::PreparePatternImage(
std::move(result),
Data::PatternColor(*patternBackground));
patternBackground,
gradientRotation,
patternOpacity);
}
return std::move(result).convertToFormat(
QImage::Format_ARGB32_Premultiplied);
@@ -433,7 +437,7 @@ void BackgroundPreviewBox::prepare() {
if (_paper.hasShareUrl()) {
addLeftButton(tr::lng_background_share(), [=] { share(); });
}
updateServiceBg(_paper.backgroundColor());
updateServiceBg(_paper.backgroundColors());
_paper.loadDocument();
const auto document = _paper.document();
@@ -669,7 +673,9 @@ bool BackgroundPreviewBox::setScaledFromThumb() {
}
auto scaled = PrepareScaledFromFull(
thumbnail->original(),
patternBackgroundColor(),
patternBackgroundColors(),
_paper.gradientRotation(),
_paper.patternOpacity(),
_paper.document() ? Images::Option::Blurred : Images::Option(0));
auto blurred = (_paper.document() || _paper.isPattern())
? QImage()
@@ -683,7 +689,7 @@ bool BackgroundPreviewBox::setScaledFromThumb() {
void BackgroundPreviewBox::setScaledFromImage(
QImage &&image,
QImage &&blurred) {
updateServiceBg(Window::Theme::CountAverageColor(image));
updateServiceBg({ Window::Theme::CountAverageColor(image) });
if (!_full.isNull()) {
startFadeInFrom(std::move(_scaled));
}
@@ -710,16 +716,26 @@ void BackgroundPreviewBox::checkBlurAnimationStart() {
startFadeInFrom(_paper.isBlurred() ? _scaled : _blurred);
}
void BackgroundPreviewBox::updateServiceBg(std::optional<QColor> background) {
if (background) {
_serviceBg = Window::Theme::AdjustedColor(
st::msgServiceBg->c,
*background);
void BackgroundPreviewBox::updateServiceBg(const std::vector<QColor> &bg) {
const auto count = int(bg.size());
if (!count) {
return;
}
auto red = 0, green = 0, blue = 0;
for (const auto &color : bg) {
red += color.red();
green += color.green();
blue += color.blue();
}
_serviceBg = Window::Theme::AdjustedColor(
st::msgServiceBg->c,
QColor(red / count, green / count, blue / count));
}
std::optional<QColor> BackgroundPreviewBox::patternBackgroundColor() const {
return _paper.isPattern() ? _paper.backgroundColor() : std::nullopt;
std::vector<QColor> BackgroundPreviewBox::patternBackgroundColors() const {
return _paper.isPattern()
? _paper.backgroundColors()
: std::vector<QColor>();
}
void BackgroundPreviewBox::checkLoadedDocument() {
@@ -737,15 +753,21 @@ void BackgroundPreviewBox::checkLoadedDocument() {
crl::async([
this,
image = std::move(image),
patternBackground = patternBackgroundColor(),
patternBackground = patternBackgroundColors(),
gradientRotation = _paper.gradientRotation(),
patternOpacity = _paper.patternOpacity(),
guard = _generating.make_guard()
]() mutable {
auto scaled = PrepareScaledFromFull(image, patternBackground);
auto blurred = patternBackground
? QImage()
: PrepareScaledNonPattern(
auto scaled = PrepareScaledFromFull(
image,
patternBackground,
gradientRotation,
patternOpacity);
auto blurred = patternBackground.empty()
? PrepareScaledNonPattern(
Data::PrepareBlurredBackground(image),
Images::Option(0));
Images::Option(0))
: QImage();
crl::on_main(std::move(guard), [
this,
image = std::move(image),