55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
#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
|