41 lines
1.2 KiB
C++
41 lines
1.2 KiB
C++
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#include <QStringList>
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#include "cutface.h"
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IMPL_CutFaceFromString
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IMPL_CutFaceToString
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TMPL_CutFaceToPoints
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void normalizeCutFacePoints(std::vector<QVector2D> *points)
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{
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QVector2D center;
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if (nullptr == points || points->empty())
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return;
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float xLow = std::numeric_limits<float>::max();
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float xHigh = std::numeric_limits<float>::lowest();
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float yLow = std::numeric_limits<float>::max();
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float yHigh = std::numeric_limits<float>::lowest();
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for (const auto &position: *points) {
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if (position.x() < xLow)
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xLow = position.x();
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else if (position.x() > xHigh)
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xHigh = position.x();
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if (position.y() < yLow)
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yLow = position.y();
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else if (position.y() > yHigh)
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yHigh = position.y();
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}
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float xMiddle = (xHigh + xLow) * 0.5;
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float yMiddle = (yHigh + yLow) * 0.5;
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float xSize = xHigh - xLow;
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float ySize = yHigh - yLow;
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float longSize = ySize;
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if (xSize > longSize)
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longSize = xSize;
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if (qFuzzyIsNull(longSize))
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longSize = 0.000001;
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for (auto &position: *points) {
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position.setX((position.x() - xMiddle) * 2 / longSize);
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position.setY((position.y() - yMiddle) * 2 / longSize);
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}
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}
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