Added initial animation of chart y-axis captions.
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07cd35b1a8
commit
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@ -15,6 +15,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
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#include "ui/painter.h"
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#include "ui/rect.h"
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#include "styles/style_boxes.h"
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#include "styles/style_statistics.h"
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namespace Statistic {
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@ -95,6 +96,50 @@ void PaintCaptionsToHorizontalLines(
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p.setOpacity(alpha);
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}
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void PaintBottomLine(
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QPainter &p,
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const std::vector<ChartWidget::BottomCaptionLineData> &dates,
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Data::StatisticalChart &chartData,
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const Limits &xPercentageLimits,
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int fullWidth,
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int y) {
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p.setFont(st::statisticsDetailsPopupStyle.font);
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const auto startXIndex = chartData.findStartIndex(
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xPercentageLimits.min);
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const auto endXIndex = chartData.findEndIndex(
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startXIndex,
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xPercentageLimits.max);
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for (const auto &date : dates) {
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const auto resultAlpha = date.alpha;
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const auto step = std::max(date.step, 1);
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auto start = startXIndex;
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while (start % step != 0) {
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start--;
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}
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auto end = endXIndex;
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while ((end % step != 0) || end < (chartData.x.size() - 1)) {
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end++;
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}
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const auto offset = fullWidth * xPercentageLimits.min;
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for (auto i = start; i < end; i += step) {
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if ((i < 0) || (i >= (chartData.x.size() - 1))) {
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continue;
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}
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const auto xPercentage = (chartData.x[i] - chartData.x.front())
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/ (chartData.x.back() - chartData.x.front());
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const auto xPoint = xPercentage * fullWidth - offset;
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p.setOpacity(resultAlpha);
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p.drawText(xPoint, y, chartData.getDayString(i));
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}
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}
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}
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} // namespace
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class RpMouseWidget final : public Ui::AbstractButton {
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@ -495,7 +540,7 @@ QRect ChartWidget::chartAreaRect() const {
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st::lineWidth,
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st::boxTextFont->height,
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st::lineWidth,
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st::lineWidth);
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st::lineWidth + st::statisticsChartBottomCaptionHeight);
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}
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void ChartWidget::setupChartArea() {
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@ -552,9 +597,96 @@ void ChartWidget::setupChartArea() {
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for (auto &horizontalLine : _horizontalLines) {
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PaintCaptionsToHorizontalLines(p, horizontalLine, chartRect);
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}
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PaintBottomLine(
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p,
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_bottomLine.dates,
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_chartData,
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_animationController.finalXLimits(),
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_bottomLine.chartFullWidth,
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rect::bottom(chartRect) + st::statisticsChartBottomCaptionSkip);
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}, _footer->lifetime());
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}
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void ChartWidget::updateBottomDates() {
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if (!_chartData) {
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return;
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}
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const auto d = _bottomLine.chartFullWidth * _chartData.oneDayPercentage;
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const auto k = _chartArea->width() / d;
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const auto tempStep = int(k / 6);
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const auto isCurrentNull = (_bottomLine.current.stepMinFast == 0);
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if (!isCurrentNull
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&& (tempStep < _bottomLine.current.stepMax)
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&& (tempStep > _bottomLine.current.stepMin)) {
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return;
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}
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const auto highestOneBit = [](unsigned int v) {
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if (!v) {
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return 0;
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}
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auto r = unsigned(1);
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while (v >>= 1) {
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r *= 2;
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}
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return int(r);
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};
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const auto step = highestOneBit(tempStep) << 1;
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if (!isCurrentNull && (_bottomLine.current.step == step)) {
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return;
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}
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if (_bottomLine.animation.animating()) {
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_bottomLine.animation.stop();
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}
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constexpr auto kStepRatio = 0.2;
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const auto stepMax = int(step + step * kStepRatio);
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const auto stepMin = int(step - step * kStepRatio);
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auto data = BottomCaptionLineData{
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.step = step,
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.stepMax = stepMax,
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.stepMin = stepMin,
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.alpha = 1.,
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};
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if (isCurrentNull) {
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_bottomLine.current = data;
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_bottomLine.dates.push_back(data);
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return;
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}
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_bottomLine.current = data;
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for (auto &date : _bottomLine.dates) {
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date.fixedAlpha = date.alpha;
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}
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_bottomLine.dates.push_back(data);
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if (_bottomLine.dates.size() > 2) {
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_bottomLine.dates.erase(begin(_bottomLine.dates));
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}
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_bottomLine.animation.start(
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[=](float64 value) {
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for (auto &date : _bottomLine.dates) {
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date.alpha = (1. - value) * date.fixedAlpha;
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}
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_bottomLine.dates.back().alpha = value;
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if (value >= 1.) {
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_bottomLine.dates.clear();
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_bottomLine.dates.push_back(data);
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}
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_chartArea->update();
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},
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0.,
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1.,
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200);
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}
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void ChartWidget::setupFooter() {
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_footer->paintRequest(
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) | rpl::start_with_next([=, fullXLimits = Limits{ 0., 1. }] {
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@ -588,6 +720,12 @@ void ChartWidget::setupFooter() {
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_chartData,
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xPercentageLimits,
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now);
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{
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const auto finalXLimits = _animationController.finalXLimits();
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_bottomLine.chartFullWidth = _chartArea->width()
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/ (finalXLimits.max - finalXLimits.min);
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}
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updateBottomDates();
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if ((now - _lastHeightLimitsChanged) < kHeightLimitsUpdateTimeout) {
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return;
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}
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@ -26,6 +26,14 @@ public:
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void setChartData(Data::StatisticalChart chartData);
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void addHorizontalLine(Limits newHeight, bool animated);
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struct BottomCaptionLineData final {
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int step = 0;
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int stepMax = 0;
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int stepMin = 0;
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float64 alpha = 0.;
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float64 fixedAlpha = 0.;
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};
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private:
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class Footer;
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@ -82,6 +90,8 @@ private:
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void setupFooter();
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void setupDetails();
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void updateBottomDates();
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const base::unique_qptr<RpMouseWidget> _chartArea;
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const std::unique_ptr<Footer> _footer;
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Data::StatisticalChart _chartData;
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@ -91,6 +101,13 @@ private:
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float64 currentX = 0;
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} _details;
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struct {
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BottomCaptionLineData current;
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std::vector<BottomCaptionLineData> dates;
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Ui::Animations::Simple animation;
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int chartFullWidth = 0;
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} _bottomLine;
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bool _useMinHeight = false;
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ChartAnimationController _animationController;
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@ -17,6 +17,9 @@ statisticsDetailsPopupMidLineSpace: 8px;
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statisticsDetailsDotRadius: 4px;
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statisticsChartLineWidth: 2px;
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statisticsChartBottomCaptionHeight: 30px;
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statisticsChartBottomCaptionSkip: 15px;
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statisticsDetailsPopupStyle: TextStyle(defaultTextStyle) {
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font: font(11px);
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}
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