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Diffstat (limited to 'include/mbgl/map/view.hpp')
| -rw-r--r-- | include/mbgl/map/view.hpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/mbgl/map/view.hpp b/include/mbgl/map/view.hpp index 9b29227d8b..8e21233b72 100644 --- a/include/mbgl/map/view.hpp +++ b/include/mbgl/map/view.hpp @@ -3,9 +3,12 @@ #include <mbgl/util/chrono.hpp> +#include <memory> + namespace mbgl { class Map; +class StillImage; enum MapChange : uint8_t { MapChangeRegionWillChange = 0, @@ -40,6 +43,14 @@ public: // (i.e. map->renderSync() or map->renderAsync() must be called as a result of this) virtual void invalidate() = 0; + // Called from the render (=GL) thread. Signals that the contents of the contents + // may be discarded. The default is a no-op. + virtual void discard(); + + // Reads the pixel data from the current framebuffer. If your View implementation + // doesn't support reading from the framebuffer, return a null pointer. + virtual std::unique_ptr<StillImage> readStillImage(); + // Notifies a watcher of map x/y/scale/rotation changes. // Must only be called from the same thread that caused the change. // Must not be called from the render thread. |