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#include <mbgl/map/vector_tile_data.hpp>
#include <mbgl/map/tile_parser.hpp>
#include <mbgl/util/std.hpp>
#include <mbgl/style/style_layer.hpp>
#include <mbgl/style/style_bucket.hpp>
#include <mbgl/map/source.hpp>
#include <mbgl/geometry/glyph_atlas.hpp>
#include <mbgl/platform/log.hpp>
#include <mbgl/util/pbf.hpp>
using namespace mbgl;
VectorTileData::VectorTileData(const TileID& id_,
float mapMaxZoom,
Style& style_,
GlyphAtlas& glyphAtlas_,
GlyphStore& glyphStore_,
SpriteAtlas& spriteAtlas_,
util::ptr<Sprite> sprite_,
const SourceInfo& source_)
: TileData(id_, source_),
glyphAtlas(glyphAtlas_),
glyphStore(glyphStore_),
spriteAtlas(spriteAtlas_),
sprite(sprite_),
style(style_),
depth(id.z >= source.max_zoom ? mapMaxZoom - id.z : 1) {
}
VectorTileData::~VectorTileData() {
// Cancel in most derived class destructor so that worker tasks are joined before
// any member data goes away.
cancel();
glyphAtlas.removeGlyphs(reinterpret_cast<uintptr_t>(this));
}
void VectorTileData::parse() {
if (state != State::loaded) {
return;
}
try {
// Parsing creates state that is encapsulated in TileParser. While parsing,
// the TileParser object writes results into this objects. All other state
// is going to be discarded afterwards.
VectorTile vectorTile(pbf((const uint8_t *)data.data(), data.size()));
const VectorTile* vt = &vectorTile;
TileParser parser(*vt, *this, style, glyphAtlas, glyphStore, spriteAtlas, sprite);
parser.parse();
} catch (const std::exception& ex) {
Log::Error(Event::ParseTile, "Parsing [%d/%d/%d] failed: %s", id.z, id.x, id.y, ex.what());
state = State::obsolete;
return;
}
if (state != State::obsolete) {
state = State::parsed;
}
}
Bucket* VectorTileData::getBucket(StyleLayer const& layer) {
if (state == State::parsed && layer.bucket) {
const auto it = buckets.find(layer.bucket->name);
if (it != buckets.end()) {
assert(it->second);
return it->second.get();
}
}
return nullptr;
}
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