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#ifndef MBGL_STYLE_STYLE
#define MBGL_STYLE_STYLE
#include <mbgl/style/property_transition.hpp>
#include <mbgl/style/zoom_history.hpp>
#include <mbgl/map/source.hpp>
#include <mbgl/text/glyph_store.hpp>
#include <mbgl/sprite/sprite_store.hpp>
#include <mbgl/util/noncopyable.hpp>
#include <mbgl/util/chrono.hpp>
#include <mbgl/util/worker.hpp>
#include <cstdint>
#include <string>
#include <vector>
namespace mbgl {
class MapData;
class GlyphAtlas;
class GlyphStore;
class SpriteStore;
class SpriteAtlas;
class LineAtlas;
class StyleLayer;
class TransformState;
class TexturePool;
class Tile;
class Bucket;
struct RenderItem {
inline RenderItem(const StyleLayer& layer_,
const Tile* tile_ = nullptr,
Bucket* bucket_ = nullptr)
: tile(tile_), bucket(bucket_), layer(layer_) {
}
const Tile* const tile;
Bucket* const bucket;
const StyleLayer& layer;
};
struct RenderData {
Color backgroundColor = {{ 0, 0, 0, 0 }};
std::set<Source*> sources;
std::vector<RenderItem> order;
};
class Style : public GlyphStore::Observer,
public SpriteStore::Observer,
public Source::Observer,
public util::noncopyable {
public:
Style(MapData&);
~Style();
class Observer {
public:
virtual ~Observer() = default;
virtual void onTileDataChanged() = 0;
virtual void onResourceLoadingFailed(std::exception_ptr error) = 0;
};
void setJSON(const std::string& data, const std::string& base);
void setObserver(Observer*);
bool isLoaded() const;
// Fetch the tiles needed by the current viewport and emit a signal when
// a tile is ready so observers can render the tile.
void update(const TransformState&, TexturePool&);
void cascade();
void recalculate(float z);
bool hasTransitions() const;
std::exception_ptr getLastError() const {
return lastError;
}
Source* getSource(const std::string& id) const;
void addSource(std::unique_ptr<Source>);
std::vector<std::unique_ptr<StyleLayer>> getLayers() const;
StyleLayer* getLayer(const std::string& id) const;
void addLayer(std::unique_ptr<StyleLayer>);
void addLayer(std::unique_ptr<StyleLayer>, const std::string& beforeLayerID);
void removeLayer(const std::string& layerID);
RenderData getRenderData() const;
void setSourceTileCacheSize(size_t);
void onLowMemory();
void dumpDebugLogs() const;
MapData& data;
std::unique_ptr<GlyphStore> glyphStore;
std::unique_ptr<GlyphAtlas> glyphAtlas;
std::unique_ptr<SpriteStore> spriteStore;
std::unique_ptr<SpriteAtlas> spriteAtlas;
std::unique_ptr<LineAtlas> lineAtlas;
private:
std::vector<std::unique_ptr<Source>> sources;
std::vector<std::unique_ptr<StyleLayer>> layers;
std::vector<std::unique_ptr<StyleLayer>>::const_iterator findLayer(const std::string& layerID) const;
// GlyphStore::Observer implementation.
void onGlyphRangeLoaded() override;
void onGlyphRangeLoadingFailed(std::exception_ptr error) override;
// SpriteStore::Observer implementation.
void onSpriteLoaded() override;
void onSpriteLoadingFailed(std::exception_ptr error) override;
// Source::Observer implementation.
void onSourceLoaded() override;
void onSourceLoadingFailed(std::exception_ptr error) override;
void onTileLoaded(bool isNewTile) override;
void onTileLoadingFailed(std::exception_ptr error) override;
void emitTileDataChanged();
void emitResourceLoadingFailed(std::exception_ptr error);
bool shouldReparsePartialTiles = false;
Observer* observer = nullptr;
std::exception_ptr lastError;
ZoomHistory zoomHistory;
bool hasPendingTransitions = false;
public:
bool loaded = false;
Worker workers;
};
}
#endif
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