IndexedBuffer.h

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/*

             *
            ***
           *****
   *********************       Mercenaries Engineering SARL
     *****************              Copyright (C) 2018
       *************
         *********        http://www.mercenaries-engineering.com
        ***********
       ****     ****
      **           **

*/
#pragma once

#include "Value.h"
#include "Buffer.h"

  namespace maquina
  {
    template<typename T>
    class IndexedBufferConst : public Value
    {
    public:
      typedef T value_type;


      IndexedBufferConst(const Value &v);

      IndexedBufferConst(const gsl::span<const uint32_t>& indices, const gsl::span<const T>& values);

      static bool can_cast(const Value &v);

      bool empty() const;

      size_t size() const;

      gsl::span<const uint32_t> read_indices() const;

      gsl::span<const value_type> read_values() const;

      IndexedBufferConst(const std::shared_ptr<Impl> &impl) : Value(impl) {}
    };

    template<typename T>
    class IndexedBuffer : public IndexedBufferConst<T>
    {
    public:
      typedef T value_type;

      IndexedBuffer(
        size_t indices, 
        size_t values   
      );

      gsl::span<uint32_t> write_indices();

      gsl::span<value_type> write_values();

      IndexedBuffer(const std::shared_ptr<Impl> &impl) : IndexedBufferConst<T>(impl) {}
    };

    typedef IndexedBufferConst<int32_t> IndexedBufferConstInt32;
    typedef IndexedBufferConst<uint8_t> IndexedBufferConstUInt8;
    typedef IndexedBufferConst<uint32_t> IndexedBufferConstUInt32;
    typedef IndexedBufferConst<float> IndexedBufferConstFloat;
    typedef IndexedBufferConst<double> IndexedBufferConstDouble;
    typedef IndexedBufferConst<Imath::V2f> IndexedBufferConstV2f;
    typedef IndexedBufferConst<Imath::V3f> IndexedBufferConstV3f;
    typedef IndexedBufferConst<Imath::V4f> IndexedBufferConstV4f;
    typedef IndexedBufferConst<Imath::V2i> IndexedBufferConstV2i;
    typedef IndexedBufferConst<Imath::V3i> IndexedBufferConstV3i;
    typedef IndexedBufferConst<Imath::V4i> IndexedBufferConstV4i;
    typedef IndexedBufferConst<Imath::M44f> IndexedBufferConstM44f;
    typedef IndexedBufferConst<Imath::Box3f> IndexedBufferConstBox3f;

#ifndef kernel_EXPORTS
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBufferConst<int32_t>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBufferConst<uint8_t>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBufferConst<uint32_t>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBufferConst<float>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBufferConst<double>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBufferConst<Imath::V2f>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBufferConst<Imath::V3f>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBufferConst<Imath::V4f>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBufferConst<Imath::V2i>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBufferConst<Imath::V3i>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBufferConst<Imath::V4i>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBufferConst<Imath::M44f>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBufferConst<Imath::Box3f>;
#endif // kernel_EXPORTS

    typedef IndexedBuffer<int32_t> IndexedBufferInt32;
    typedef IndexedBuffer<uint8_t> IndexedBufferUInt8;
    typedef IndexedBuffer<uint32_t> IndexedBufferUInt32;
    typedef IndexedBuffer<float> IndexedBufferFloat;
    typedef IndexedBuffer<double> IndexedBufferDouble;
    typedef IndexedBuffer<Imath::V2f> IndexedBufferV2f;
    typedef IndexedBuffer<Imath::V3f> IndexedBufferV3f;
    typedef IndexedBuffer<Imath::V4f> IndexedBufferV4f;
    typedef IndexedBuffer<Imath::V2i> IndexedBufferV2i;
    typedef IndexedBuffer<Imath::V3i> IndexedBufferV3i;
    typedef IndexedBuffer<Imath::V4i> IndexedBufferV4i;
    typedef IndexedBuffer<Imath::M44f> IndexedBufferM44f;
    typedef IndexedBuffer<Imath::Box3f> IndexedBufferBox3f;

#ifndef kernel_EXPORTS
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBuffer<int32_t>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBuffer<uint8_t>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBuffer<uint32_t>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBuffer<float>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBuffer<double>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBuffer<Imath::V2f>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBuffer<Imath::V3f>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBuffer<Imath::V4f>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBuffer<Imath::V2i>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBuffer<Imath::V3i>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBuffer<Imath::V4i>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBuffer<Imath::M44f>;
    MAQUINA_EXTERN_TEMPLATE class MAQUINA_EXPORT IndexedBuffer<Imath::Box3f>;
#endif // kernel_EXPORTS
  }