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Fixed paint of zoomed footer in stack linear chart view.

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23rd 2023-09-26 02:42:40 +03:00 • committed by John Preston
parent 9046daa1a6
commit 5a2b8d06e3
1 changed files with 23 additions and 12 deletions
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35
Telegram/SourceFiles/statistics/view/stack_linear_chart_view.cpp
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@ -494,7 +494,7 @@ void StackLinearChartView::paintChartOrZoomAnimation(
auto o = ScopedPainterOpacity(p, progress);
paintPieText(p, c);
}
} else {
} else if (_transition.progress) {
paintZoomedFooter(p, c);
}
@ -585,14 +585,12 @@ void StackLinearChartView::paintZoomedFooter(
auto o = ScopedPainterOpacity(p, _transition.progress);
auto hq = PainterHighQualityEnabler(p);
const auto &[zoomedStart, zoomedEnd] = _transition.zoomedInLimitXIndices;
const auto &[leftStart, w] = ComputeLeftStartAndStep(
c.chartData,
{
c.chartData.xPercentage[zoomedStart],
c.chartData.xPercentage[zoomedEnd],
},
c.rect,
zoomedStart);
const auto sideW = st::statisticsChartFooterSideWidth;
const auto width = c.rect.width() - sideW * 2.;
const auto leftStart = c.rect.x() + sideW;
const auto &xPercentage = c.chartData.xPercentage;
auto previousX = leftStart;
const auto offset = (xPercentage[zoomedEnd] == 1.) ? 0 : 1;
for (auto i = zoomedStart; i <= zoomedEnd; i++) {
auto sum = 0.;
auto lastEnabledId = int(0);
@ -604,6 +602,18 @@ void StackLinearChartView::paintZoomedFooter(
lastEnabledId = line.id;
}
const auto columnMargins = QMarginsF(
(i == zoomedStart) ? sideW : 0,
0,
(i == zoomedEnd - offset) ? sideW : 0,
0);
const auto next = std::clamp(i + offset, zoomedStart, zoomedEnd);
const auto xPointPercentage =
(xPercentage[next] - xPercentage[zoomedStart])
/ (xPercentage[zoomedEnd] - xPercentage[zoomedStart]);
const auto xPoint = leftStart + width * xPointPercentage;
auto stack = 0.;
for (auto k = int(c.chartData.lines.size() - 1); k >= 0; k--) {
const auto &line = c.chartData.lines[k];
@ -615,16 +625,17 @@ void StackLinearChartView::paintZoomedFooter(
? c.rect.height()
: visibleHeight;
const auto column = QRectF(
leftStart + (i - zoomedStart) * w,
const auto column = columnMargins + QRectF(
previousX,
stack,
w,
xPoint - previousX,
height);
p.setPen(Qt::NoPen);
p.fillRect(column, line.color);
stack += visibleHeight;
}
previousX = xPoint;
}
}