| 1 | |
| 2 | #pragma once |
| 3 | |
| 4 | #include "Shape.h" |
| 5 | #include "edge-selectors.h" |
| 6 | |
| 7 | namespace msdfgen { |
| 8 | |
| 9 | /// Simply selects the nearest contour. |
| 10 | template <class EdgeSelector> |
| 11 | class SimpleContourCombiner { |
| 12 | |
| 13 | public: |
| 14 | typedef EdgeSelector EdgeSelectorType; |
| 15 | typedef typename EdgeSelector::DistanceType DistanceType; |
| 16 | |
| 17 | explicit SimpleContourCombiner(const Shape &shape); |
| 18 | void reset(const Point2 &p); |
| 19 | EdgeSelector & edgeSelector(int i); |
| 20 | DistanceType distance() const; |
| 21 | |
| 22 | private: |
| 23 | EdgeSelector shapeEdgeSelector; |
| 24 | |
| 25 | }; |
| 26 | |
| 27 | /// Selects the nearest contour that actually forms a border between filled and unfilled area. |
| 28 | template <class EdgeSelector> |
| 29 | class OverlappingContourCombiner { |
| 30 | |
| 31 | public: |
| 32 | typedef EdgeSelector EdgeSelectorType; |
| 33 | typedef typename EdgeSelector::DistanceType DistanceType; |
| 34 | |
| 35 | explicit OverlappingContourCombiner(const Shape &shape); |
| 36 | void reset(const Point2 &p); |
| 37 | EdgeSelector & edgeSelector(int i); |
| 38 | DistanceType distance() const; |
| 39 | |
| 40 | private: |
| 41 | Point2 p; |
| 42 | std::vector<int> windings; |
| 43 | std::vector<EdgeSelector> edgeSelectors; |
| 44 | |
| 45 | }; |
| 46 | |
| 47 | } |
| 48 | |