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#ifndef MBGL_MAP_MAP
#define MBGL_MAP_MAP
#include <mbgl/util/chrono.hpp>
#include <mbgl/map/update.hpp>
#include <mbgl/map/mode.hpp>
#include <mbgl/util/geo.hpp>
#include <mbgl/util/noncopyable.hpp>
#include <mbgl/util/vec.hpp>
#include <cstdint>
#include <string>
#include <functional>
#include <vector>
#include <memory>
namespace mbgl {
class FileSource;
class View;
class MapData;
class MapContext;
class StillImage;
class SpriteImage;
class Transform;
class PointAnnotation;
class ShapeAnnotation;
namespace util {
template <class T> class Thread;
}
enum class AnnotationType : uint8_t {
Any = 0,
Point = 1 << 0,
Shape = 1 << 1,
};
struct EdgeInsets {
double top = 0;
double left = 0;
double bottom = 0;
double right = 0;
};
using AnnotationIDs = std::vector<uint32_t>;
using AnnotationSegment = std::vector<LatLng>;
using AnnotationSegments = std::vector<AnnotationSegment>;
class Map : private util::noncopyable {
friend class View;
public:
explicit Map(View&, FileSource&,
MapMode mode = MapMode::Continuous);
~Map();
// Pauses the render thread. The render thread will stop running but will not be terminated and will not lose state until resumed.
void pause();
// Resumes a paused render thread
void resume();
// Register a callback that will get called (on the render thread) when all resources have
// been loaded and a complete render occurs.
using StillImageCallback = std::function<void(std::exception_ptr, std::unique_ptr<const StillImage>)>;
void renderStill(StillImageCallback callback);
// Triggers a synchronous render.
void renderSync();
// Nudges transitions one step, possibly notifying of the need for a rerender, if any.
void nudgeTransitions();
// Notifies the Map thread that the state has changed and an update might be necessary.
void update(Update update);
// Styling
void addClass(const std::string&);
void removeClass(const std::string&);
bool hasClass(const std::string&) const;
void setClasses(const std::vector<std::string>&);
std::vector<std::string> getClasses() const;
void setDefaultTransitionDuration(const Duration& = Duration::zero());
Duration getDefaultTransitionDuration() const;
void setDefaultTransitionDelay(const Duration& = Duration::zero());
Duration getDefaultTransitionDelay() const;
void setStyleURL(const std::string& url);
void setStyleJSON(const std::string& json, const std::string& base = "");
std::string getStyleURL() const;
std::string getStyleJSON() const;
// Transition
void cancelTransitions();
void setGestureInProgress(bool);
// Position
void moveBy(double dx, double dy, const Duration& = Duration::zero());
void setLatLng(LatLng latLng, const Duration& = Duration::zero());
LatLng getLatLng() const;
void resetPosition();
// Scale
void scaleBy(double ds, double cx = -1, double cy = -1, const Duration& = Duration::zero());
void setScale(double scale, double cx = -1, double cy = -1, const Duration& = Duration::zero());
double getScale() const;
void setZoom(double zoom, const Duration& = Duration::zero());
double getZoom() const;
void setLatLngZoom(LatLng latLng, double zoom, const Duration& = Duration::zero());
void fitBounds(LatLngBounds bounds, EdgeInsets padding, const Duration& duration = Duration::zero());
void fitBounds(AnnotationSegment segment, EdgeInsets padding, const Duration& duration = Duration::zero());
void resetZoom();
double getMinZoom() const;
double getMaxZoom() const;
// Rotation
void rotateBy(double sx, double sy, double ex, double ey, const Duration& = Duration::zero());
void setBearing(double degrees, const Duration& = Duration::zero());
void setBearing(double degrees, double cx, double cy);
double getBearing() const;
void resetNorth();
// Size
uint16_t getWidth() const;
uint16_t getHeight() const;
// Projection
void getWorldBoundsMeters(ProjectedMeters &sw, ProjectedMeters &ne) const;
void getWorldBoundsLatLng(LatLng &sw, LatLng &ne) const;
double getMetersPerPixelAtLatitude(const double lat, const double zoom) const;
const ProjectedMeters projectedMetersForLatLng(const LatLng latLng) const;
const LatLng latLngForProjectedMeters(const ProjectedMeters projectedMeters) const;
const vec2<double> pixelForLatLng(const LatLng latLng) const;
const LatLng latLngForPixel(const vec2<double> pixel) const;
// Annotations
void setDefaultPointAnnotationSymbol(const std::string&);
double getTopOffsetPixelsForAnnotationSymbol(const std::string&);
uint32_t addPointAnnotation(const PointAnnotation&);
AnnotationIDs addPointAnnotations(const std::vector<PointAnnotation>&);
uint32_t addShapeAnnotation(const ShapeAnnotation&);
AnnotationIDs addShapeAnnotations(const std::vector<ShapeAnnotation>&);
void removeAnnotation(uint32_t);
void removeAnnotations(const AnnotationIDs&);
AnnotationIDs getAnnotationsInBounds(const LatLngBounds&, const AnnotationType& = AnnotationType::Any);
LatLngBounds getBoundsForAnnotations(const AnnotationIDs&);
// Sprites
void setSprite(const std::string&, std::shared_ptr<const SpriteImage>);
void removeSprite(const std::string&);
// Memory
void setSourceTileCacheSize(size_t);
void onLowMemory();
// Debug
void setDebug(bool value);
void toggleDebug();
bool getDebug() const;
void setCollisionDebug(bool value);
void toggleCollisionDebug();
bool getCollisionDebug() const;
bool isFullyLoaded() const;
private:
View& view;
const std::unique_ptr<Transform> transform;
const std::unique_ptr<MapData> data;
const std::unique_ptr<util::Thread<MapContext>> context;
enum class RenderState {
never,
partial,
fully
};
RenderState renderState = RenderState::never;
bool paused = false;
};
}
#endif
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