Files
MapLibreParticleLab/include/mbgl/renderer/renderer_state.hpp
2018-10-25 16:23:40 +03:00

31 lines
977 B
C++

#pragma once
#include <mbgl/map/camera.hpp>
#include <mbgl/util/geo.hpp>
namespace mbgl {
class UpdateParameters;
/**
* RendererState acts as a Memento object that is able to extract data out of UpdateParameters (an opaque object
* from the public API perspective).
*/
class RendererState {
public:
// Obtains a CameraOptions out of a given UpdateParameters object.
static CameraOptions getCameraOptions(UpdateParameters&, const EdgeInsets& = {});
// Returns whether an image with the given ID exists from a given UpdateParamters object.
static bool hasImage(UpdateParameters&, const std::string& id);
// Returns whether a layer with the given ID exists from a given UpdateParamters object.
static bool hasLayer(UpdateParameters&, const std::string& id);
// Returns whether a source with the given ID exists from a given UpdateParamters object.
static bool hasSource(UpdateParameters&, const std::string& id);
};
} // namespace mbgl