tei/MapLibreParticleLab
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

[core] Add batch conversion of latLngs to/from screenCoords (#15891)

Browse Source 
* [core] Add batch conversion of latLng vs screenCoord

* [core] Take the simple approach
This commit is contained in:
zmiao
2019-11-07 18:16:31 +02:00
committed by GitHub
parent 1d49c23b85
commit 2e8a350d68
5 changed files with 101 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
src/mbgl/map/map.cpp
View File

@@ -364,6 +364,24 @@ LatLng Map::latLngForPixel(const ScreenCoordinate& pixel) const {
return impl->transform.screenCoordinateToLatLng(pixel);
}
std::vector<ScreenCoordinate> Map::pixelsForLatLngs(const std::vector<LatLng>& latLngs) const {
std::vector<ScreenCoordinate> ret;
ret.reserve(latLngs.size());
for (const auto& latLng : latLngs) {
ret.emplace_back(pixelForLatLng(latLng));
}
return ret;
}
std::vector<LatLng> Map::latLngsForPixels(const std::vector<ScreenCoordinate>& screenCoords) const {
std::vector<LatLng> ret;
ret.reserve(screenCoords.size());
for (const auto& point : screenCoords) {
ret.emplace_back(latLngForPixel(point));
}
return ret;
}
#pragma mark - Annotations
void Map::addAnnotationImage(std::unique_ptr<style::Image> image) {