DtOverlayRendererInterface.h

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/******************************************************************************
** Copyright (c) 2023 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvCore/vrvCore.h>

#include <vrvCore/DtDecalProjectorComponentInterface.h>
#include <vrvCore/DtQuadProxyInterface.h>

#include <vrvUtil/DtVirtualBaseClassCreator.h>

namespace makVrv
{
   class DtDe;
   class DtLineRenderer;
   class DtQuadRenderer;
   class DtTextRenderer;
   class DtTriangleRenderer;
   class DtTextProxyInterface;
   class DtLineSegmentInterface;
   class DtTexturedLineSegmentInterface;
   class DtOverlayResourceProvider;
   struct DtObserverRenderData;
   struct DtOverlayRenderData;
   struct DtOverlayResourceRequirements;

   class DtOverlayRendererInterface;

   class DT_DLL_VRVCORE DtOverlayRendererInterfaceCreator : public DtVirtualBaseClass
   {
   public:
      DtOverlayRendererInterfaceCreator(DtDe& de);

      // Unimplemented Copy CTOR
      DtOverlayRendererInterfaceCreator(const DtOverlayRendererInterfaceCreator& orig) = delete;

      // Unimplemented Assignment Operator
      DtOverlayRendererInterfaceCreator& operator=(const DtOverlayRendererInterfaceCreator& rhs) = delete;

      virtual ~DtOverlayRendererInterfaceCreator();

   public:

      static DtOverlayRendererInterfaceCreator& instance(DtDe&);

      static void registerInstance(DtDe&, DtOverlayRendererInterfaceCreator*);

   public:

      virtual DtOverlayRendererInterface* create(DtOverlayResourceProvider*) = 0;

   protected:
      DtDe& myDe;

   };

   class DT_DLL_VRVCORE DtOverlayRendererInterface
   {
      friend DtOverlayRendererInterfaceCreator;

   public:

      virtual ~DtOverlayRendererInterface();

      DtOverlayRendererInterface() = delete;

      DtOverlayRendererInterface(
         const DtOverlayRendererInterface& other) = delete;

      DtOverlayRendererInterface& operator=(
         const DtOverlayRendererInterface& other) = delete;

   public:

      virtual bool render(const DtOverlayRenderData& overlayRenderData,
         const DtObserverRenderData& channelRenderData,
         const double* currentProjectionMatrix) = 0;

      virtual void setProjectCameraIs3D(bool is3D) = 0;
      virtual bool projectCameraIs3D() const = 0;

      virtual void setProjectCameraIsNormalized(bool isNormalize) = 0;
      virtual bool projectCameraIsNormalized() const = 0;

      virtual DtOverlayResourceProvider& resourceProvider() = 0;
      virtual DtLineRenderer& lineRenderer() const = 0;
      virtual DtTriangleRenderer& triangleRenderer() const = 0;
      
      virtual DtQuadProxyInterface* createQuadProxyInterface(
         DtQuadProxyInterface::FillType type = DtQuadProxyInterface::Fill_Solid) = 0;
      virtual DtTextProxyInterface* createTextProxyInterface() = 0;
      virtual DtLineSegmentInterface* createLineSegmentInterface() = 0;
      virtual DtTexturedLineSegmentInterface* createTexturedLineSegmentInterface() = 0;
      virtual DtDecalProjectorComponentInterface* createDecalProjectorComponentInterface(
         DtDecalProjectorComponentInterface::RenderingType type) = 0;

      virtual bool somethingToRender(
         DtOverlayResourceRequirements& resourceRequirements) const = 0;

   protected:

      DtOverlayRendererInterface(DtDe& de);

   protected:

      DtDe& myDe;
   };
}