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	 daf1ff39e5
			
		
	
	
		daf1ff39e5
		
	
	
	
	
		
			
			MapLibre seems to relatively consistently not destroy layers the first time layers are removed and re-added
		
			
				
	
	
		
			63 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			63 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| #include <scwx/qt/map/layer_wrapper.hpp>
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| 
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| namespace scwx
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| {
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| namespace qt
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| {
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| namespace map
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| {
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| 
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| class LayerWrapperImpl
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| {
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| public:
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|    explicit LayerWrapperImpl(std::shared_ptr<GenericLayer> layer) :
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|        layer_ {layer}
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|    {
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|    }
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| 
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|    ~LayerWrapperImpl() {}
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| 
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|    std::shared_ptr<GenericLayer> layer_;
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| };
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| 
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| LayerWrapper::LayerWrapper(std::shared_ptr<GenericLayer> layer) :
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|     p(std::make_unique<LayerWrapperImpl>(layer))
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| {
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| }
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| LayerWrapper::~LayerWrapper() = default;
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| 
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| LayerWrapper::LayerWrapper(LayerWrapper&&) noexcept            = default;
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| LayerWrapper& LayerWrapper::operator=(LayerWrapper&&) noexcept = default;
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| 
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| void LayerWrapper::initialize()
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| {
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|    auto& layer = p->layer_;
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|    if (layer != nullptr)
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|    {
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|       layer->Initialize();
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|    }
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| }
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| 
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| void LayerWrapper::render(const QMapLibre::CustomLayerRenderParameters& params)
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| {
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|    auto& layer = p->layer_;
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|    if (layer != nullptr)
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|    {
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|       layer->Render(params);
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|    }
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| }
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| 
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| void LayerWrapper::deinitialize()
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| {
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|    // Ensure layers are not retained after call to deinitialize
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|    auto& layer = p->layer_;
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|    if (layer != nullptr)
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|    {
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|       layer->Deinitialize();
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|       layer = nullptr;
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|    }
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| }
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| 
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| } // namespace map
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| } // namespace qt
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| } // namespace scwx
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