BridgeRasterSource.h

#pragma once
 
#include "RasterSource.h"
#include "RasterLevel.h"
 
#include "../GeodeticExtent.h"
 
namespace Cogs
{
  class BridgeRasterSource : public RasterSource
  {
  public:
    BridgeRasterSource(CogsContext * context, RasterSourceParameters * parameters);
    ~BridgeRasterSource();
 
    void requestTile(const TileLoadRequest & request) override;
    void allocateTileStorage(const size_t textureSize, std::vector<uint8_t> & buffer) override;
    void deallocateTileStorage(std::vector<uint8_t> & buffer) override;
 
    void loadInvalidTile(RasterTile * tile);
    void loadEmptyTileData(RasterTile * tile);
 
    uint32_t getFlags() const { return flags; }
 
  public:
    CogsContext * context = nullptr;
 
    std::atomic<int> closures = { 0 };
 
    const size_t cacheSize = 0;
 
    bool suppressCompressionError = false;
    bool suppressDimensionError = false;
 
  private:
    int64_t providerId = 0;
    uint32_t flags = 0;
 
    TileRequestCallback * requestCallback = nullptr;
 
    AllocationCallback * allocationCallback = nullptr;
    DeallocationCallback * deallocationCallback = nullptr;
  };
}