| 8 | |
| 9 | template <class ContourCombiner> |
| 10 | typename ShapeDistanceFinder<ContourCombiner>::DistanceType ShapeDistanceFinder<ContourCombiner>::distance(const Point2 &origin) { |
| 11 | contourCombiner.reset(origin); |
| 12 | #ifdef MSDFGEN_USE_CPP11 |
| 13 | typename ContourCombiner::EdgeSelectorType::EdgeCache *edgeCache = shapeEdgeCache.data(); |
| 14 | #else |
| 15 | typename ContourCombiner::EdgeSelectorType::EdgeCache *edgeCache = shapeEdgeCache.empty() ? NULL : &shapeEdgeCache[0]; |
| 16 | #endif |
| 17 | |
| 18 | for (std::vector<Contour>::const_iterator contour = shape.contours.begin(); contour != shape.contours.end(); ++contour) { |
| 19 | if (!contour->edges.empty()) { |
| 20 | typename ContourCombiner::EdgeSelectorType &edgeSelector = contourCombiner.edgeSelector(int(contour-shape.contours.begin())); |
| 21 | |
| 22 | const EdgeSegment *prevEdge = contour->edges.size() >= 2 ? *(contour->edges.end()-2) : *contour->edges.begin(); |
| 23 | const EdgeSegment *curEdge = contour->edges.back(); |
| 24 | for (std::vector<EdgeHolder>::const_iterator edge = contour->edges.begin(); edge != contour->edges.end(); ++edge) { |
| 25 | const EdgeSegment *nextEdge = *edge; |
| 26 | edgeSelector.addEdge(*edgeCache++, prevEdge, curEdge, nextEdge); |
| 27 | prevEdge = curEdge; |
| 28 | curEdge = nextEdge; |
| 29 | } |
| 30 | } |
| 31 | } |
| 32 | |
| 33 | return contourCombiner.distance(); |
| 34 | } |
| 35 | |
| 36 | template <class ContourCombiner> |
| 37 | typename ShapeDistanceFinder<ContourCombiner>::DistanceType ShapeDistanceFinder<ContourCombiner>::oneShotDistance(const Shape &shape, const Point2 &origin) { |