diff options
Diffstat (limited to 'include/mbgl/renderer/renderer_state.hpp')
| -rw-r--r-- | include/mbgl/renderer/renderer_state.hpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/mbgl/renderer/renderer_state.hpp b/include/mbgl/renderer/renderer_state.hpp index 1b300c190b..27985ae996 100644 --- a/include/mbgl/renderer/renderer_state.hpp +++ b/include/mbgl/renderer/renderer_state.hpp @@ -8,7 +8,7 @@ namespace mbgl { class UpdateParameters; /** - * RendererState acts as a Memento-like object that is able to extract data out of UpdateParameters (an opaque object + * 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 { @@ -17,6 +17,14 @@ 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 |