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
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
#pragma once
#include <mbgl/tile/tile_id.hpp>
#include <mbgl/tile/tile_observer.hpp>
#include <mbgl/tile/tile.hpp>
#include <mbgl/tile/tile_cache.hpp>
#include <mbgl/style/types.hpp>
#include <mbgl/util/noncopyable.hpp>
#include <mbgl/util/mat4.hpp>
#include <mbgl/util/rapidjson.hpp>
#include <mbgl/util/feature.hpp>
#include <mbgl/util/tileset.hpp>
#include <forward_list>
#include <vector>
#include <map>
namespace mapbox {
namespace geojsonvt {
class GeoJSONVT;
} // namespace geojsonvt
} // namespace mapbox
namespace mbgl {
class Painter;
class FileSource;
class AsyncRequest;
class TransformState;
class RenderTile;
struct ClipID;
namespace style {
class Style;
class UpdateParameters;
class QueryParameters;
class SourceObserver;
class Source : public TileObserver, private util::noncopyable {
public:
Source(SourceType,
std::string id,
std::string url,
uint16_t tileSize,
std::unique_ptr<Tileset>&&,
std::unique_ptr<mapbox::geojsonvt::GeoJSONVT>&&);
~Source();
bool loaded = false;
void load(FileSource&);
bool isLoading() const;
bool isLoaded() const;
const Tileset* getTileset() const { return tileset.get(); }
// Request or parse all the tiles relevant for the "TransformState". This method
// will return true if all the tiles were scheduled for updating of false if
// they were not. shouldReparsePartialTiles must be set to "true" if there is
// new data available that a tile in the "partial" state might be interested at.
bool update(const UpdateParameters&);
template <typename ClipIDGenerator>
void updateClipIDs(ClipIDGenerator& generator) {
generator.update(renderTiles);
}
void updateMatrices(const mat4 &projMatrix, const TransformState &transform);
void finishRender(Painter &painter);
const std::map<UnwrappedTileID, RenderTile>& getRenderTiles() const;
Tile* getTile(const OverscaledTileID&) const;
std::unordered_map<std::string, std::vector<Feature>>
queryRenderedFeatures(const QueryParameters&) const;
void setCacheSize(size_t);
void onLowMemory();
void setObserver(SourceObserver* observer);
void dumpDebugLogs() const;
const SourceType type;
const std::string id;
const std::string url;
uint16_t tileSize = util::tileSize;
bool enabled = false;
private:
// TileObserver implementation.
void onTileLoaded(Tile&, bool isNewTile) override;
void onTileError(Tile&, std::exception_ptr) override;
void onNeedsRepaint() override;
std::unique_ptr<Tile> createTile(const OverscaledTileID&, const UpdateParameters&);
private:
std::unique_ptr<const Tileset> tileset;
std::unique_ptr<mapbox::geojsonvt::GeoJSONVT> geojsonvt;
// Stores the time when this source was most recently updated.
TimePoint updated = TimePoint::min();
std::map<OverscaledTileID, std::unique_ptr<Tile>> tiles;
std::map<UnwrappedTileID, RenderTile> renderTiles;
TileCache cache;
std::unique_ptr<AsyncRequest> req;
SourceObserver* observer = nullptr;
};
} // namespace style
} // namespace mbgl
|
