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#ifndef MBGL_MAP_VIEW
#define MBGL_MAP_VIEW
#include <mbgl/util/time.hpp>
namespace mbgl {
class Map;
enum MapChange : uint8_t {
MapChangeRegionWillChange = 0,
MapChangeRegionWillChangeAnimated = 1,
MapChangeRegionDidChange = 2,
MapChangeRegionDidChangeAnimated = 3,
MapChangeWillStartLoadingMap = 4,
MapChangeDidFinishLoadingMap = 5,
MapChangeDidFailLoadingMap = 6,
MapChangeWillStartRenderingMap = 7,
MapChangeDidFinishRenderingMap = 8,
MapChangeDidFinishRenderingMapFullyRendered = 9
};
class View {
public:
virtual void initialize(Map *map) {
this->map = map;
}
// Called from the render (=GL) thread. Signals that the context should
// swap the front and the back buffer.
virtual void swap() = 0;
// Called from the render thread. Makes the GL context active in the current
// thread. This is typically just called once at the beginning of the
// renderer setup since the render thread doesn't switch the contexts.
virtual void make_active() = 0;
// Returns the base framebuffer object, if any, and 0 if using the system
// provided framebuffer.
virtual unsigned int root_fbo() {
return 0;
}
// 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.
virtual void notify_map_change(MapChange change, timestamp delay = 0) = 0;
protected:
mbgl::Map *map = nullptr;
};
}
#endif
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