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#include <mbgl/map/vector_tile_data.hpp>
#include <mbgl/map/tile_parser.hpp>
#include <mbgl/util/std.hpp>
#include <mbgl/map/map.hpp>
#include <mbgl/style/style_layer.hpp>
#include <mbgl/style/style_bucket.hpp>
#include <mbgl/style/style_source.hpp>
#include <mbgl/geometry/glyph_atlas.hpp>
#include <mbgl/platform/log.hpp>
using namespace mbgl;
VectorTileData::VectorTileData(Tile::ID const& id_,
float mapMaxZoom, util::ptr<Style> style_,
GlyphAtlas& glyphAtlas_, GlyphStore& glyphStore_,
SpriteAtlas& spriteAtlas_, util::ptr<Sprite> sprite_,
const SourceInfo& source_, FileSource &fileSource_)
: TileData(id_, source_, fileSource_),
glyphAtlas(glyphAtlas_),
glyphStore(glyphStore_),
spriteAtlas(spriteAtlas_),
sprite(sprite_),
style(style_),
depth(id.z >= source.max_zoom ? mapMaxZoom - id.z : 1) {
}
VectorTileData::~VectorTileData() {
glyphAtlas.removeGlyphs(id.to_uint64());
}
void VectorTileData::parse() {
if (state != State::loaded) {
return;
}
try {
if (!style) {
throw std::runtime_error("style isn't present in VectorTileData object anymore");
}
// 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.
TileParser parser(data, *this, style,
glyphAtlas, glyphStore,
spriteAtlas, sprite);
// Clear the style so that we don't have a cycle in the shared_ptr references.
style.reset();
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;
}
}
void VectorTileData::render(Painter &painter, const StyleLayer &layer_desc, const mat4 &matrix) {
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, matrix);
}
}
}
bool VectorTileData::hasData(const 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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