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#ifndef MBGL_MAP_TILE_DATA
#define MBGL_MAP_TILE_DATA
#include <mbgl/map/tile.hpp>
#include <mbgl/renderer/debug_bucket.hpp>
#include <mbgl/geometry/debug_font_buffer.hpp>
#include <mbgl/util/noncopyable.hpp>
#include <mbgl/util/ptr.hpp>
#include <atomic>
#include <exception>
#include <iosfwd>
#include <string>
#include <functional>
namespace uv {
class worker;
}
namespace mbgl {
class Map;
class FileSource;
class Painter;
class SourceInfo;
class StyleLayer;
class Request;
class TileData : public std::enable_shared_from_this<TileData>,
private util::noncopyable {
public:
struct exception : std::exception {};
struct geometry_too_long_exception : exception {};
public:
typedef util::ptr<TileData> Ptr;
enum class State {
invalid,
initial,
loading,
loaded,
parsed,
obsolete
};
public:
TileData(Tile::ID const& id, const SourceInfo&);
~TileData();
void request(uv::worker&, FileSource&, float pixelRatio, std::function<void ()> callback);
void reparse(uv::worker&, std::function<void ()> callback);
void cancel();
const std::string toString() const;
inline bool ready() const {
return state == State::parsed;
}
// Override this in the child class.
virtual void parse() = 0;
virtual void render(Painter &painter, util::ptr<StyleLayer> layer_desc, const mat4 &matrix) = 0;
virtual bool hasData(StyleLayer const& layer_desc) const = 0;
public:
const Tile::ID id;
const std::string name;
std::atomic<State> state;
public:
const SourceInfo& source;
protected:
std::unique_ptr<Request> req;
std::string data;
// Contains the tile ID string for painting debug information.
DebugFontBuffer debugFontBuffer;
public:
DebugBucket debugBucket;
};
}
#endif
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