Sara
c3f9669b10
git-subtree-dir: engine git-subtree-mainline:b74841629egit-subtree-split:a8e37fc010
46 lines
1,020 B
C++
46 lines
1,020 B
C++
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#pragma once
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#include "base.h"
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namespace msdfgen {
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/**
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* Represents the range between two real values.
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* For example, the range of representable signed distances.
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*/
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struct Range {
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double lower, upper;
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inline Range(double symmetricalWidth = 0) : lower(-.5*symmetricalWidth), upper(.5*symmetricalWidth) { }
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inline Range(double lowerBound, double upperBound) : lower(lowerBound), upper(upperBound) { }
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inline Range &operator*=(double factor) {
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lower *= factor;
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upper *= factor;
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return *this;
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}
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inline Range &operator/=(double divisor) {
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lower /= divisor;
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upper /= divisor;
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return *this;
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}
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inline Range operator*(double factor) const {
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return Range(lower*factor, upper*factor);
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}
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inline Range operator/(double divisor) const {
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return Range(lower/divisor, upper/divisor);
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}
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};
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inline Range operator*(double factor, const Range &range) {
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return Range(factor*range.lower, factor*range.upper);
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}
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}
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