diff options
Diffstat (limited to 'include/mbgl/map/view.hpp')
| -rw-r--r-- | include/mbgl/map/view.hpp | 39 |
1 files changed, 8 insertions, 31 deletions
diff --git a/include/mbgl/map/view.hpp b/include/mbgl/map/view.hpp index 590eef7237..0dff4b3602 100644 --- a/include/mbgl/map/view.hpp +++ b/include/mbgl/map/view.hpp @@ -1,24 +1,23 @@ #pragma once -#include <mbgl/map/change.hpp> -#include <mbgl/util/chrono.hpp> #include <mbgl/util/image.hpp> #include <array> -#include <functional> -#include <memory> namespace mbgl { class Map; -class View { +class View : private util::noncopyable { public: virtual ~View() = default; - // Called directly after initialization. Must always return the same value, i.e. it may - // not change over time. - virtual float getPixelRatio() const = 0; + // Called when this View is associated with a Map object. + virtual void initialize(Map*); + + // Called when this View is used for rendering. Implementations should ensure that a renderable + // object is bound and glClear/glDraw* calls can be done. + virtual void bind() = 0; // Called when the View signaled a dimension change. Must return the logical dimension // of this map in pixels. @@ -30,34 +29,12 @@ public: // different from that rule. virtual std::array<uint16_t, 2> getFramebufferSize() const = 0; - // Called when this View is associated with a Map object. - virtual void initialize(Map*); - - // Called when the view's GL context needs to be made active or inactive. These are called, - // as a matched pair, in four situations: - // - // 1. When releasing GL resources during Map destruction - // 2. When calling a CustomLayerInitializeFunction, during Map::addLayer - // 3. When calling a CustomLayerDeinitializeFunction, during Map::removeLayer - // 4. When rendering for Map::renderStill - // - // They are *not* called for Map::render; it is assumed that the correct context is already - // activated prior to calling Map::render. - virtual void activate() = 0; - virtual void deactivate() = 0; - - // Called when the map needs to be rendered; the view should call Map::render() at some point - // in the near future. (Not called for Map::renderStill() mode.) - virtual void invalidate() = 0; - // Reads the pixel data from the current framebuffer. If your View implementation // doesn't support reading from the framebuffer, return a null pointer. virtual PremultipliedImage readStillImage(std::array<uint16_t, 2> size = {{ 0, 0 }}); - // Notifies a watcher of map x/y/scale/rotation changes. - virtual void notifyMapChange(MapChange change); - protected: mbgl::Map *map = nullptr; }; + } // namespace mbgl |