1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
#ifndef MBGL_MAP_TILE_PARSER
#define MBGL_MAP_TILE_PARSER
#include <mbgl/map/vector_tile.hpp>
#include <mbgl/text/placement.hpp>
#include <mbgl/text/glyph_store.hpp>
#include <mbgl/text/glyph.hpp>
#include <mbgl/util/utf.hpp>
#include <mbgl/style/filter_expression.hpp>
namespace mbgl {
class Style;
class GlyphAtlas;
class GlyphStore;
class SpriteAtlas;
class VectorTileData;
class StyleLayer;
class StyleLayerGroup;
class StyleBucket;
class StyleBucketFill;
class StyleBucketLine;
class StyleBucketIcon;
class Bucket;
class TileParser {
public:
TileParser(const std::string &data, VectorTileData &tile,
const std::shared_ptr<const Style> &style,
const std::shared_ptr<GlyphAtlas> &glyphAtlas,
const std::shared_ptr<GlyphStore> &glyphStore,
const std::shared_ptr<SpriteAtlas> &spriteAtlas);
public:
void parse();
private:
bool obsolete() const;
void parseGlyphs();
void parseStyleLayers(std::shared_ptr<StyleLayerGroup> group);
void addGlyph(uint64_t tileid, const std::string stackname, const std::u32string &string, const FontStack &fontStack, GlyphAtlas &glyphAtlas, GlyphPositions &face);
std::unique_ptr<Bucket> createBucket(std::shared_ptr<StyleBucket> bucket_desc);
std::unique_ptr<Bucket> createFillBucket(const VectorTileLayer& layer, const FilterExpression &filter, const StyleBucketFill &fill);
std::unique_ptr<Bucket> createLineBucket(const VectorTileLayer& layer, const FilterExpression &filter, const StyleBucketLine &line);
std::unique_ptr<Bucket> createIconBucket(const VectorTileLayer& layer, const FilterExpression &filter, const StyleBucketIcon &icon);
std::unique_ptr<Bucket> createTextBucket(const VectorTileLayer& layer, const FilterExpression &filter, const StyleBucketText &text);
template <class Bucket> void addBucketFeatures(Bucket& bucket, const VectorTileLayer& layer, const FilterExpression &filter);
template <class Bucket, typename ...Args> void addBucketFeatures(Bucket& bucket, const VectorTileLayer& layer, const FilterExpression &filter, Args&& ...args);
private:
const VectorTile vector_data;
VectorTileData& tile;
// Cross-thread shared data.
std::shared_ptr<const Style> style;
std::shared_ptr<GlyphAtlas> glyphAtlas;
std::shared_ptr<GlyphStore> glyphStore;
std::shared_ptr<SpriteAtlas> spriteAtlas;
Placement placement;
};
}
#endif
|