godot/thirdparty/msdfgen/core/contour-combiners.h

48 lines
1.0 KiB
C++

#pragma once
#include "Shape.h"
#include "edge-selectors.h"
namespace msdfgen {
/// Simply selects the nearest contour.
template <class EdgeSelector>
class SimpleContourCombiner {
public:
typedef EdgeSelector EdgeSelectorType;
typedef typename EdgeSelector::DistanceType DistanceType;
explicit SimpleContourCombiner(const Shape &shape);
void reset(const Point2 &p);
EdgeSelector &edgeSelector(int i);
DistanceType distance() const;
private:
EdgeSelector shapeEdgeSelector;
};
/// Selects the nearest contour that actually forms a border between filled and unfilled area.
template <class EdgeSelector>
class OverlappingContourCombiner {
public:
typedef EdgeSelector EdgeSelectorType;
typedef typename EdgeSelector::DistanceType DistanceType;
explicit OverlappingContourCombiner(const Shape &shape);
void reset(const Point2 &p);
EdgeSelector &edgeSelector(int i);
DistanceType distance() const;
private:
Point2 p;
std::vector<int> windings;
std::vector<EdgeSelector> edgeSelectors;
};
}