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#include <llmr/map/vector_tile_data.hpp>
#include <llmr/util/std.hpp>
#include <llmr/map/map.hpp>
#include <llmr/style/style_layer.hpp>
#include <llmr/style/style_bucket.hpp>
using namespace llmr;
VectorTileData::VectorTileData(Tile::ID id, Map &map, const std::string url)
: TileData(id, map, url) {
}
VectorTileData::~VectorTileData() {
std::shared_ptr<GlyphAtlas> glyphAtlas = map.getGlyphAtlas();
if (glyphAtlas) {
glyphAtlas->removeGlyphs(id.to_uint64());
}
}
void VectorTileData::beforeParse() {
parser = std::make_unique<TileParser>(data, *this, map.getStyle(), map.getGlyphAtlas(), map.getGlyphStore(), map.getSpriteAtlas());
}
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.
parser->parse();
} catch (const std::exception& ex) {
#if defined(DEBUG)
fprintf(stderr, "[%p] exception [%d/%d/%d]... failed: %s\n", this, id.z, id.x, id.y, ex.what());
#endif
cancel();
return;
}
if (state != State::obsolete) {
state = State::parsed;
}
}
void VectorTileData::afterParse() {
parser.reset();
}
void VectorTileData::render(Painter &painter, std::shared_ptr<StyleLayer> layer_desc) {
if (state == State::parsed && layer_desc->bucket) {
auto databucket_it = buckets.find(layer_desc->bucket->name);
if (databucket_it != buckets.end()) {
assert(databucket_it->second);
databucket_it->second->render(painter, layer_desc, id);
}
}
}
bool VectorTileData::hasData(std::shared_ptr<StyleLayer> layer_desc) const {
if (state == State::parsed && layer_desc->bucket) {
auto databucket_it = buckets.find(layer_desc->bucket->name);
if (databucket_it != buckets.end()) {
assert(databucket_it->second);
return databucket_it->second->hasData();
}
}
return false;
}
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