56 lines
1.6 KiB
C++
56 lines
1.6 KiB
C++
#include <llmr/map/vector_tile_data.hpp>
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#include <llmr/map/map.hpp>
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#include <llmr/map/tile_parser.hpp>
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using namespace llmr;
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VectorTileData::VectorTileData(Tile::ID id, Map &map, const std::string url)
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: TileData(id, map, url) {
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}
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VectorTileData::~VectorTileData() {
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map.getGlyphAtlas().removeGlyphs(id.to_uint64());
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}
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void VectorTileData::parse() {
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if (state != State::loaded) {
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return;
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}
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try {
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// Parsing creates state that is encapsulated in TileParser. While parsing,
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// the TileParser object writes results into this objects. All other state
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// is going to be discarded afterwards.
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TileParser parser(data, *this, map.getStyle(), map.getGlyphAtlas());
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} catch (const std::exception& ex) {
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fprintf(stderr, "[%p] exception [%d/%d/%d]... failed: %s\n", this, id.z, id.x, id.y, ex.what());
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cancel();
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return;
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}
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if (state != State::obsolete) {
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state = State::parsed;
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}
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}
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void VectorTileData::render(Painter &painter, const LayerDescription& layer_desc) {
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auto databucket_it = buckets.find(layer_desc.bucket_name);
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if (databucket_it != buckets.end()) {
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assert(databucket_it->second);
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databucket_it->second->render(painter, layer_desc.name, id);
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}
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}
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bool VectorTileData::hasData(const LayerDescription& layer_desc) const {
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if (state != State::parsed) return false;
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auto databucket_it = buckets.find(layer_desc.bucket_name);
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if (databucket_it != buckets.end()) {
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assert(databucket_it->second);
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return databucket_it->second->hasData();
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} else {
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return false;
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}
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}
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