6136ab6d21
This is needed for correctly compositing raster imagery into the map fixes #122 fixes #157
78 lines
1.9 KiB
C++
78 lines
1.9 KiB
C++
#ifndef LLMR_MAP_SOURCE
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#define LLMR_MAP_SOURCE
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#include <llmr/map/tile.hpp>
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#include <llmr/map/tile_data.hpp>
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#include <llmr/util/noncopyable.hpp>
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#include <llmr/util/time.hpp>
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#include <list>
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#include <forward_list>
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#include <memory>
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#include <vector>
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#include <string>
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#include <map>
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namespace llmr {
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class Map;
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class TransformState;
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class Painter;
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class Texturepool;
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class Source : public std::enable_shared_from_this<Source>, private util::noncopyable {
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public:
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enum class Type {
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vector,
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raster
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};
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public:
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Source(Map &map, Painter &painter,
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const char *url = "", Type type = Type::vector, std::vector<uint32_t> zooms = {0},
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uint32_t tile_size = 512, uint32_t min_zoom = 0, uint32_t max_zoom = 14,
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bool enabled = true);
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bool update();
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size_t prepareRender(const TransformState &transform);
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void render(const LayerDescription& layer_desc, const BucketDescription &bucket_desc);
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void finishRender();
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std::forward_list<Tile::ID> getIDs() const;
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void updateClipIDs(const std::map<Tile::ID, ClipID> &mapping);
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public:
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bool enabled;
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private:
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bool findLoadedChildren(const Tile::ID& id, int32_t maxCoveringZoom, std::forward_list<Tile::ID>& retain);
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bool findLoadedParent(const Tile::ID& id, int32_t minCoveringZoom, std::forward_list<Tile::ID>& retain);
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std::forward_list<Tile::ID> covering_tiles(int32_t zoom, const box& points);
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bool updateTiles();
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TileData::State addTile(const Tile::ID& id);
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TileData::State hasTile(const Tile::ID& id);
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double getZoom() const;
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private:
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Map& map;
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Painter& painter;
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const Type type;
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const std::vector<uint32_t> zooms;
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const std::string url;
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const uint32_t tile_size;
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const int32_t min_zoom;
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const int32_t max_zoom;
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std::forward_list<Tile> tiles;
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std::forward_list<std::weak_ptr<TileData>> tile_data;
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};
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}
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#endif
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