82 lines
2.7 KiB
C++
82 lines
2.7 KiB
C++
#include <mbgl/map/vector_tile_data.hpp>
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#include <mbgl/map/tile_parser.hpp>
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#include <mbgl/util/std.hpp>
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#include <mbgl/map/map.hpp>
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#include <mbgl/style/style_layer.hpp>
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#include <mbgl/style/style_bucket.hpp>
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#include <mbgl/geometry/glyph_atlas.hpp>
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#include <mbgl/platform/log.hpp>
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using namespace mbgl;
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VectorTileData::VectorTileData(Tile::ID const& id_,
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float mapMaxZoom, util::ptr<Style> style_,
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GlyphAtlas& glyphAtlas_, GlyphStore& glyphStore_,
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SpriteAtlas& spriteAtlas_, util::ptr<Sprite> sprite_,
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const SourceInfo& source_, FileSource &fileSource_)
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: TileData(id_, source_, fileSource_),
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glyphAtlas(glyphAtlas_),
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glyphStore(glyphStore_),
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spriteAtlas(spriteAtlas_),
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sprite(sprite_),
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style(style_),
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depth(id.z >= source.max_zoom ? mapMaxZoom - id.z : 1) {
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}
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VectorTileData::~VectorTileData() {
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glyphAtlas.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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if (!style) {
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throw std::runtime_error("style isn't present in VectorTileData object anymore");
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}
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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, style,
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glyphAtlas, glyphStore,
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spriteAtlas, sprite);
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// Clear the style so that we don't have a cycle in the shared_ptr references.
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style.reset();
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parser.parse();
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} catch (const std::exception& ex) {
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Log::Error(Event::ParseTile, "Parsing [%d/%d/%d] failed: %s", id.z, id.x, id.y, ex.what());
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state = State::obsolete;
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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 StyleLayer &layer_desc, const mat4 &matrix) {
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if (state == State::parsed && layer_desc.bucket) {
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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, id, matrix);
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}
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}
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}
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bool VectorTileData::hasData(const StyleLayer &layer_desc) const {
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if (state == State::parsed && layer_desc.bucket) {
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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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}
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}
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return false;
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}
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