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Draw over the last segment of nyancat's polyline as well as drawing the current segment to slightly smooth the gaps between segments.

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This commit is contained in:
David Sansome 2011-12-01 17:31:34 +00:00
parent 0d2dd452e2
commit 94a3c7f816
1 changed files with 3 additions and 2 deletions
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5
src/analyzers/nyancatanalyzer.cpp
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@ -43,7 +43,7 @@ NyanCatAnalyzer::NyanCatAnalyzer(QWidget* parent)
for (int i=0 ; i<kRainbowBands ; ++i) {
colors_[i] = QPen(QColor::fromHsv(i * 255 / kRainbowBands, 255, 255),
kCatHeight/kRainbowBands,
Qt::SolidLine, Qt::FlatCap);
Qt::SolidLine, Qt::FlatCap, Qt::RoundJoin);
// pow constants computed so that
// | band_scale(0) | ~= .5 and | band_scale(5) | ~= 32
@ -132,6 +132,7 @@ void NyanCatAnalyzer::analyze(QPainter& p, const Analyzer::Scope& s, bool new_fr
for (int band=kRainbowBands-1 ; band>=0 ; --band) {
buffer_painter.setPen(colors_[band]);
buffer_painter.drawPolyline(&polyline[band*kHistorySize], kHistorySize);
buffer_painter.drawPolyline(&polyline[band*kHistorySize], kHistorySize);
}
} else {
const int last_buffer = current_buffer_;
@ -150,7 +151,7 @@ void NyanCatAnalyzer::analyze(QPainter& p, const Analyzer::Scope& s, bool new_fr
for (int band=kRainbowBands-1 ; band>=0 ; --band) {
buffer_painter.setPen(colors_[band]);
buffer_painter.drawPolyline(&polyline[(band+1)*kHistorySize - 2], 2);
buffer_painter.drawPolyline(&polyline[(band+1)*kHistorySize - 3], 3);
}
}
}