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Code Issues Releases Wiki Activity

Attempted to increase performance when paint complicated charts.

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This commit is contained in:
23rd
2023-07-14 00:59:10 +03:00
committed by John Preston
parent 73b4621121
commit 367adaa44d
3 changed files with 34 additions and 4 deletions
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30
Telegram/SourceFiles/statistics/chart_widget.cpp
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@@ -595,6 +595,7 @@ void ChartWidget::ChartAnimationController::finish() {
_animationValueHeightMin.finish();
_animationValueHeightMax.finish();
_animValueYAlpha.finish();
_benchmark = {};
}
void ChartWidget::ChartAnimationController::resetAlpha() {
@@ -627,8 +628,24 @@ void ChartWidget::ChartAnimationController::tick(
_alphaAnimationStartedAt = now;
}
_dtCurrent.min = std::min(_dtCurrent.min + _dtHeightSpeed, 1.);
_dtCurrent.max = std::min(_dtCurrent.max + _dtHeightSpeed, 1.);
{
constexpr auto kIdealFPS = float64(60);
const auto currentFPS = _benchmark.lastTickedAt
? (1000. / (now - _benchmark.lastTickedAt))
: kIdealFPS;
if (!_benchmark.lastFPSSlow) {
constexpr auto kAcceptableFPS = int(30);
_benchmark.lastFPSSlow = (currentFPS < kAcceptableFPS);
}
_benchmark.lastTickedAt = now;
const auto k = (kIdealFPS / currentFPS)
// Speed up to reduce ugly frames count.
* (_benchmark.lastFPSSlow ? 2. : 1.);
_dtCurrent.min = std::min(_dtCurrent.min + _dtHeightSpeed * k, 1.);
_dtCurrent.max = std::min(_dtCurrent.max + _dtHeightSpeed * k, 1.);
}
const auto dtX = std::min(
(now - _animation.started()) / kXExpandingDuration,
@@ -657,6 +674,7 @@ void ChartWidget::ChartAnimationController::tick(
if ((lines.front().absoluteValue == _animationValueHeightMin.to())
&& lines.back().absoluteValue == _animationValueHeightMax.to()) {
_animation.stop();
_benchmark = {};
}
}
if (xFinished) {
@@ -762,6 +780,10 @@ bool ChartWidget::ChartAnimationController::animating() const {
return _animation.animating();
}
bool ChartWidget::ChartAnimationController::isFPSSlow() const {
return _benchmark.lastFPSSlow;
}
auto ChartWidget::ChartAnimationController::heightAnimationStarts() const
-> rpl::producer<> {
return _heightAnimationStarts.events();
@@ -851,6 +873,10 @@ void ChartWidget::setupChartArea() {
: -1,
};
if (_chartData) {
p.setRenderHint(
QPainter::Antialiasing,
!_animationController.isFPSSlow()
|| !_animationController.animating());
Statistic::PaintLinearChartView(
p,
_chartData,