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Simplified drawing of surrounding info in sending animation.

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23rd 2022-02-10 22:18:07 +03:00 • committed by John Preston
parent afdfe1c2e8
commit 4cebccd6dc
1 changed files with 51 additions and 78 deletions
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129
Telegram/SourceFiles/ui/effects/message_sending_animation_controller.cpp
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@ -30,70 +30,6 @@ inline float64 OffsetMid(int value, float64 min, float64 max = 1.) {
return ((value * max) - (value * min)) / 2.;
}
class Surrounding final : public RpWidget {
public:
Surrounding(
not_null<RpWidget*> parent,
QPoint offset,
QImage &&image,
float64 minScale);
void setProgress(float64 value);
protected:
void paintEvent(QPaintEvent *e) override;
private:
const QPoint _offset;
const float64 _minScale = 0;
QImage _cache;
float64 _progress = 0;
};
Surrounding::Surrounding(
not_null<RpWidget*> parent,
QPoint offset,
QImage &&image,
float64 minScale)
: RpWidget(parent)
, _offset(offset)
, _minScale(minScale)
, _cache(std::move(image)) {
resize(_cache.size() / style::DevicePixelRatio());
}
void Surrounding::setProgress(float64 value) {
_progress = value;
update();
}
void Surrounding::paintEvent(QPaintEvent *e) {
Painter p(this);
p.fillRect(e->rect(), Qt::transparent);
if (_cache.isNull()) {
return;
}
const auto revProgress = 1. - _progress;
const auto divider = 1. - kSurroundingProgress;
const auto alpha = (divider - revProgress) / divider;
p.setOpacity(alpha);
const auto scale = anim::interpolateF(_minScale, 1., _progress);
const auto size = _cache.size() / style::DevicePixelRatio();
p.translate(
revProgress * OffsetMid(size.width() + _offset.x(), _minScale),
revProgress * OffsetMid(size.height() + _offset.y(), _minScale));
p.scale(scale, scale);
p.drawImage(QPoint(), _cache);
}
class Content final : public RpWidget {
public:
Content(
@ -114,6 +50,7 @@ private:
Context::SkipDrawingParts skipParts,
const QRect &rect) const;
void updateCache();
void createSurrounding();
const not_null<Window::SessionController*> _controller;
Fn<not_null<HistoryView::Element*>()> _view;
@ -125,7 +62,7 @@ private:
Animations::Simple _animation;
float64 _minScale = 0;
base::unique_qptr<Surrounding> _surrounding;
base::unique_qptr<Ui::RpWidget> _surrounding;
rpl::event_stream<> _destroyRequests;
@ -177,24 +114,12 @@ Content::Content(
update();
if ((value > kSurroundingProgress) && !_surrounding) {
_surrounding = base::make_unique_q<Surrounding>(
parent,
innerContentRect.topLeft(),
drawMedia(
Context::SkipDrawingParts::Content,
QRect(
QPoint(),
_view()->innerGeometry().size())),
_minScale);
_surrounding->show();
_surrounding->raise();
stackUnder(_surrounding.get());
createSurrounding();
}
if (_surrounding) {
_surrounding->moveToLeft(
x - innerContentRect.x(),
y - innerContentRect.y());
_surrounding->setProgress(value);
}
if (value == 1.) {
@ -265,6 +190,54 @@ QImage Content::drawMedia(
return image;
}
void Content::createSurrounding() {
_surrounding = base::make_unique_q<Ui::RpWidget>(parentWidget());
_surrounding->setAttribute(Qt::WA_TransparentForMouseEvents);
const auto view = _view();
const auto surroundingSize = view->innerGeometry().size();
const auto offset = view->media()->contentRectForReactions().topLeft();
_surrounding->resize(surroundingSize);
_surrounding->show();
// Do not raise.
_surrounding->stackUnder(this);
stackUnder(_surrounding.get());
_surrounding->paintRequest(
) | rpl::start_with_next([=, size = surroundingSize](const QRect &r) {
Painter p(_surrounding);
p.fillRect(r, Qt::transparent);
const auto progress = _animation.value(0.);
const auto revProgress = 1. - progress;
const auto divider = 1. - kSurroundingProgress;
const auto alpha = (divider - revProgress) / divider;
p.setOpacity(alpha);
const auto scale = anim::interpolateF(_minScale, 1., progress);
p.translate(
revProgress * OffsetMid(size.width() + offset.x(), _minScale),
revProgress * OffsetMid(size.height() + offset.y(), _minScale));
p.scale(scale, scale);
auto context = _controller->preparePaintContext({
.theme = _theme,
});
const auto view = _view();
context.skipDrawingParts = Context::SkipDrawingParts::Content;
context.outbg = view->hasOutLayout();
view->media()->draw(p, context);
}, _surrounding->lifetime());
}
} // namespace
MessageSendingAnimationController::MessageSendingAnimationController(