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port bboxifyLabel from -js

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This commit is contained in:
Ansis Brammanis
2015-04-01 19:03:01 -07:00
parent c200053951
commit 1d50485e5b
5 changed files with 65 additions and 13 deletions
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6
src/mbgl/text/collision_tile.cpp
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@@ -25,14 +25,14 @@ float CollisionTile::placeFeature(const CollisionFeature &feature) {
float minPlacementScale = minScale;
for (auto& box : feature.boxes) {
const Anchor anchor = box.anchor.matMul(rotationMatrix);
const auto anchor = box.anchor.matMul(rotationMatrix);
std::vector<CollisionTreeBox> blockingBoxes;
tree.query(bgi::intersects(getTreeBox(anchor, box)), std::back_inserter(blockingBoxes));
for (auto& blockingTreeBox : blockingBoxes) {
const auto& blocking = std::get<1>(blockingTreeBox);
Anchor blockingAnchor = blocking.anchor.matMul(rotationMatrix);
auto blockingAnchor = blocking.anchor.matMul(rotationMatrix);
// Find the lowest scale at which the two boxes can fit side by side without overlapping.
// Original algorithm:
@@ -89,7 +89,7 @@ void CollisionTile::insertFeature(CollisionFeature &feature, const float minPlac
}
Box CollisionTile::getTreeBox(const Anchor &anchor, const CollisionBox &box) {
Box CollisionTile::getTreeBox(const vec2<float> &anchor, const CollisionBox &box) {
return Box{
Point{
anchor.x + box.x1,