8bf3040da1
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
#pragma once
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#include <mbgl/style/source.hpp>
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#include <mbgl/style/image.hpp>
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#include <cstdint>
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#include <string>
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namespace mbgl {
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namespace gfx {
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class ShaderRegistry;
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}
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enum class MapLoadError {
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StyleParseError,
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StyleLoadError,
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NotFoundError,
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UnknownError,
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};
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class MapObserver {
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public:
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virtual ~MapObserver() = default;
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static MapObserver& nullObserver() {
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static MapObserver mapObserver;
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return mapObserver;
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}
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enum class CameraChangeMode : uint32_t {
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Immediate,
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Animated
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};
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enum class RenderMode : uint32_t {
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Partial,
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Full
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};
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struct RenderFrameStatus {
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RenderMode mode;
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bool needsRepaint; // In continous mode, shows that there are ongoig transitions.
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bool placementChanged;
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double frameEncodingTime;
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double frameRenderingTime;
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};
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virtual void onCameraWillChange(CameraChangeMode) {}
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virtual void onCameraIsChanging() {}
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virtual void onCameraDidChange(CameraChangeMode) {}
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virtual void onWillStartLoadingMap() {}
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virtual void onDidFinishLoadingMap() {}
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virtual void onDidFailLoadingMap(MapLoadError, const std::string&) {}
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virtual void onWillStartRenderingFrame() {}
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virtual void onDidFinishRenderingFrame(RenderFrameStatus) {}
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virtual void onWillStartRenderingMap() {}
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virtual void onDidFinishRenderingMap(RenderMode) {}
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virtual void onDidFinishLoadingStyle() {}
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virtual void onSourceChanged(style::Source&) {}
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virtual void onDidBecomeIdle() {}
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virtual void onStyleImageMissing(const std::string&) {}
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/// This method should return true if unused image can be removed,
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/// false otherwise. By default, unused image will be removed.
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virtual bool onCanRemoveUnusedStyleImage(const std::string&) { return true; }
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// Observe this event to easily mutate or observe shaders as soon
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// as the registry becomes available.
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virtual void onRegisterShaders(gfx::ShaderRegistry&) {};
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};
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} // namespace mbgl
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