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	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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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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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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   ~LayerWrapperImpl() {}
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   std::shared_ptr<GenericLayer> layer_;
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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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LayerWrapper::LayerWrapper(LayerWrapper&&) noexcept            = default;
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LayerWrapper& LayerWrapper::operator=(LayerWrapper&&) noexcept = default;
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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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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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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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} // namespace map
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} // namespace qt
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} // namespace scwx
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