diff options
Diffstat (limited to 'src/mbgl/renderer/symbol_bucket.cpp')
| -rw-r--r-- | src/mbgl/renderer/symbol_bucket.cpp | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/src/mbgl/renderer/symbol_bucket.cpp b/src/mbgl/renderer/symbol_bucket.cpp index f53bbfa954..9d9636b399 100644 --- a/src/mbgl/renderer/symbol_bucket.cpp +++ b/src/mbgl/renderer/symbol_bucket.cpp @@ -238,9 +238,26 @@ void SymbolBucket::addFeature(const std::vector<Coordinate> &line, const Shaping Anchors anchors; if (properties.placement == PlacementType::Line) { + float textResampleOffset = 0; + float iconResampleOffset = 0; + + if (shaping.size()) { + float minX = std::numeric_limits<float>::infinity(); + float maxX = -std::numeric_limits<float>::infinity(); + for (const auto &glyph : shaping) { + minX = std::min(minX, glyph.x); + maxX = std::max(maxX, glyph.x); + } + const float labelLength = maxX - minX; + textResampleOffset = (labelLength / 2.0 + glyphSize) * fontScale; + } + if (image) { + iconResampleOffset = image.w; + } + // Line labels anchors = resample(line, properties.min_distance, minScale, collision.maxPlacementScale, - collision.tilePixelRatio); + collision.tilePixelRatio, std::max(iconResampleOffset, textResampleOffset)); // Sort anchors by segment so that we can start placement with the // anchors that can be shown at the lowest zoom levels. |