mirror of
https://github.com/godotengine/godot.git
synced 2025-10-31 05:31:01 +00:00
4c3f7d1290
Adds multi-channel SDF font texture generation and rendering support. Adds per-font oversampling support. Adds FontData import plugins (for dynamic fonts, BMFonts and monospaced image fonts), font texture cache pre-generation and loading. Adds BMFont binary format and outline support.
56 lines
2.6 KiB
C++
56 lines
2.6 KiB
C++
|
|
#include "ShapeDistanceFinder.h"
|
|
|
|
namespace msdfgen {
|
|
|
|
template <class ContourCombiner>
|
|
ShapeDistanceFinder<ContourCombiner>::ShapeDistanceFinder(const Shape &shape) : shape(shape), contourCombiner(shape), shapeEdgeCache(shape.edgeCount()) { }
|
|
|
|
template <class ContourCombiner>
|
|
typename ShapeDistanceFinder<ContourCombiner>::DistanceType ShapeDistanceFinder<ContourCombiner>::distance(const Point2 &origin) {
|
|
contourCombiner.reset(origin);
|
|
typename ContourCombiner::EdgeSelectorType::EdgeCache *edgeCache = &shapeEdgeCache[0];
|
|
|
|
for (std::vector<Contour>::const_iterator contour = shape.contours.begin(); contour != shape.contours.end(); ++contour) {
|
|
if (!contour->edges.empty()) {
|
|
typename ContourCombiner::EdgeSelectorType &edgeSelector = contourCombiner.edgeSelector(int(contour-shape.contours.begin()));
|
|
|
|
const EdgeSegment *prevEdge = contour->edges.size() >= 2 ? *(contour->edges.end()-2) : *contour->edges.begin();
|
|
const EdgeSegment *curEdge = contour->edges.back();
|
|
for (std::vector<EdgeHolder>::const_iterator edge = contour->edges.begin(); edge != contour->edges.end(); ++edge) {
|
|
const EdgeSegment *nextEdge = *edge;
|
|
edgeSelector.addEdge(*edgeCache++, prevEdge, curEdge, nextEdge);
|
|
prevEdge = curEdge;
|
|
curEdge = nextEdge;
|
|
}
|
|
}
|
|
}
|
|
|
|
return contourCombiner.distance();
|
|
}
|
|
|
|
template <class ContourCombiner>
|
|
typename ShapeDistanceFinder<ContourCombiner>::DistanceType ShapeDistanceFinder<ContourCombiner>::oneShotDistance(const Shape &shape, const Point2 &origin) {
|
|
ContourCombiner contourCombiner(shape);
|
|
contourCombiner.reset(origin);
|
|
|
|
for (std::vector<Contour>::const_iterator contour = shape.contours.begin(); contour != shape.contours.end(); ++contour) {
|
|
if (!contour->edges.empty()) {
|
|
typename ContourCombiner::EdgeSelectorType &edgeSelector = contourCombiner.edgeSelector(int(contour-shape.contours.begin()));
|
|
|
|
const EdgeSegment *prevEdge = contour->edges.size() >= 2 ? *(contour->edges.end()-2) : *contour->edges.begin();
|
|
const EdgeSegment *curEdge = contour->edges.back();
|
|
for (std::vector<EdgeHolder>::const_iterator edge = contour->edges.begin(); edge != contour->edges.end(); ++edge) {
|
|
const EdgeSegment *nextEdge = *edge;
|
|
typename ContourCombiner::EdgeSelectorType::EdgeCache dummy;
|
|
edgeSelector.addEdge(dummy, prevEdge, curEdge, nextEdge);
|
|
prevEdge = curEdge;
|
|
curEdge = nextEdge;
|
|
}
|
|
}
|
|
}
|
|
|
|
return contourCombiner.distance();
|
|
}
|
|
|
|
}
|