70 lines
2.0 KiB
C++
70 lines
2.0 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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#include <set>
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namespace llmr {
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class TransformState;
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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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Source(SourceType type = SourceType::Vector, const std::string &url = "", const std::string &glyphs = "",
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uint32_t tile_size = 512, uint32_t min_zoom = 0, uint32_t max_zoom = 22);
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bool update(Map &map);
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void updateMatrices(const mat4 &projMatrix, const TransformState &transform);
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void drawClippingMasks(Painter &painter);
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size_t getTileCount() const;
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void render(Painter &painter, std::shared_ptr<StyleLayer> layer_desc);
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void finishRender(Painter &painter);
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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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static std::string normalizeSourceURL(const std::string &url);
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public:
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const SourceType type;
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const std::string url;
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const std::string glyphs;
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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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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(const TransformState &state, int32_t clamped_zoom, const box& points);
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bool updateTiles(Map &map);
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TileData::State addTile(Map &map, const Tile::ID& id);
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TileData::State hasTile(const Tile::ID& id);
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double getZoom(const TransformState &state) const;
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private:
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// Stores the time when this source was most recently updated.
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time updated = 0;
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std::map<Tile::ID, std::unique_ptr<Tile>> tiles;
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std::map<Tile::ID, std::weak_ptr<TileData>> tile_data;
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};
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}
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#endif
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