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
|
#ifndef MBGL_MAP_SOURCE
#define MBGL_MAP_SOURCE
#include <mbgl/map/tile.hpp>
#include <mbgl/map/tile_data.hpp>
#include <mbgl/util/noncopyable.hpp>
#include <mbgl/util/time.hpp>
#include <mbgl/style/style_source.hpp>
#include <mbgl/style/types.hpp>
#include <list>
#include <forward_list>
#include <memory>
#include <vector>
#include <string>
#include <map>
#include <set>
namespace mbgl {
class TransformState;
class Texturepool;
class Source : public std::enable_shared_from_this<Source>, private util::noncopyable {
public:
Source(StyleSource style_source, const std::string &access_token = "");
Source(SourceType type = SourceType::Vector, const std::string &url = "",
uint32_t tile_size = 512, uint32_t min_zoom = 0, uint32_t max_zoom = 22,
const std::string &access_token = "");
bool update(Map &map);
void updateMatrices(const mat4 &projMatrix, const TransformState &transform);
void drawClippingMasks(Painter &painter);
size_t getTileCount() const;
void render(Painter &painter, std::shared_ptr<StyleLayer> layer_desc);
void finishRender(Painter &painter);
std::forward_list<Tile::ID> getIDs() const;
void updateClipIDs(const std::map<Tile::ID, ClipID> &mapping);
static std::string normalizeSourceURL(const std::string &url, const std::string &access_token);
public:
const SourceType type;
const std::string url;
const uint32_t tile_size;
const int32_t min_zoom;
const int32_t max_zoom;
private:
bool findLoadedChildren(const Tile::ID& id, int32_t maxCoveringZoom, std::forward_list<Tile::ID>& retain);
bool findLoadedParent(const Tile::ID& id, int32_t minCoveringZoom, std::forward_list<Tile::ID>& retain);
std::forward_list<Tile::ID> covering_tiles(const TransformState &state, int32_t clamped_zoom, const box& points);
bool updateTiles(Map &map);
TileData::State addTile(Map &map, const Tile::ID& id);
TileData::State hasTile(const Tile::ID& id);
double getZoom(const TransformState &state) const;
private:
// Stores the time when this source was most recently updated.
timestamp updated = 0;
std::map<Tile::ID, std::unique_ptr<Tile>> tiles;
std::map<Tile::ID, std::weak_ptr<TileData>> tile_data;
};
}
#endif
|